Volumes | Turbo Expo: Power for Land, Sea, and Air | American Society of Mechanical Engineers Digital Collection

Skip Nav Destination

Volume 5: Structures and Dynamics, Parts A and B

Structures and Dynamics

General

Compressor Casing Preliminary Design Based on Features

Stefan Bretschneider, Frank Rothe, Martin G. Rose, Stephan Staudacher

GT 2008; 1-9doi:https://doi.org/10.1115/GT2008-50102

Abstract

View Articletitled, Compressor Casing Preliminary Design Based on Features

PDF

Topics: Compressors , Design

Simulation and Optimization of an Adjustable Inlet Guide Vane for Industrial Turbo Compressors

Michael Hensges

GT 2008; 11-20doi:https://doi.org/10.1115/GT2008-50242

Abstract

View Articletitled, Simulation and Optimization of an Adjustable Inlet Guide Vane for Industrial Turbo Compressors

PDF

Topics: Compressors , Inlet guide vanes , Optimization , Simulation , Turbochargers , Friction , Torque , Finite element analysis , Kinematics , Actuators

Design of a New Experimental Rig for Thermal Cyclic Testing of Combustor Liner Tiles

C. Mende, O. Liedtke, A. Schulz, H.-J. Bauer

GT 2008; 21-30doi:https://doi.org/10.1115/GT2008-50300

Abstract

View Articletitled, Design of a New Experimental Rig for Thermal Cyclic Testing of Combustor Liner Tiles

PDF

Topics: Combustion chambers , Design , Testing , Tiles , Damage , Construction , Cycles , Engines , High pressure (Physics) , High temperature

On the Numerical Prediction of Finite Length Squeeze Film Dampers Performance With Free Air Entrainment

Tilmer H. Me´ndez, Marco A. Ciaccia, Jorge E. Torres, Sergio E. Di´az

GT 2008; 31-39doi:https://doi.org/10.1115/GT2008-50368

Abstract

View Articletitled, On the Numerical Prediction of Finite Length Squeeze Film Dampers Performance With Free Air Entrainment

PDF

Topics: Air entrainment , Dampers , Flow (Dynamics)

Experimental and Numerical Investigation of Fluid Dynamics of the Bounded and Unbounded Triangular Jets

Reza Riahi, Farshid Bagheri, Bijan Farhanieh

GT 2008; 41-47doi:https://doi.org/10.1115/GT2008-50407

Abstract

View Articletitled, Experimental and Numerical Investigation of Fluid Dynamics of the Bounded and Unbounded Triangular Jets

PDF

Topics: Fluid dynamics , Jets , Flow (Dynamics) , Turbulence , Algorithms , Fluids , Nozzles , Numerical analysis , Pressure , Stress

Error Evaluation in Metal Surface Temperature Prediction Due to Non-Simulation of the Effect of Water Impingement and Runback Water on an Anti-Iced Turboprop Engine Inlet Guide Vane Structure

Javier Castillo, Gema Ortega

GT 2008; 49-58doi:https://doi.org/10.1115/GT2008-50578

Abstract

View Articletitled, Error Evaluation in Metal Surface Temperature Prediction Due to Non-Simulation of the Effect of Water Impingement and Runback Water on an Anti-Iced Turboprop Engine Inlet Guide Vane Structure

PDF

Topics: Engines , Errors , Inlet guide vanes , Metal surfaces , Simulation , Temperature , Water , Airfoils , Bearings , Compressors

The Analytical Approach to the Temperature Prediction of Steam Turbine Shells Based on the Thermocouple Temperature Measurements at a Few Points

Ajit B. Ekbote, Howard M. Brilliant

GT 2008; 59-68doi:https://doi.org/10.1115/GT2008-50609

Abstract

View Articletitled, The Analytical Approach to the Temperature Prediction of Steam Turbine Shells Based on the Thermocouple Temperature Measurements at a Few Points

PDF

Topics: Shells , Steam turbines , Temperature , Temperature measurement , Thermocouples , Transients (Dynamics) , Flow (Dynamics) , Turbines , Boundary-value problems , Clearances (Engineering)

Topology-Optimized Intermediate Casing of Aero Engine and Comparative Evaluation of Titanium and Composite Architecture in Terms of Load Capacity and Weight Reduction

Markus Kober, Olaf Lenk, Thomas Klauke, Arnold Ku¨hhorn

GT 2008; 69-79doi:https://doi.org/10.1115/GT2008-50644

Abstract

View Articletitled, Topology-Optimized Intermediate Casing of Aero Engine and Comparative Evaluation of Titanium and Composite Architecture in Terms of Load Capacity and Weight Reduction

PDF

Topics: Aircraft engines , Composite materials , Stress , Titanium , Topology , Weight (Mass) , Fibers , Fracture (Materials) , Fracture (Process) , Optimization

An Analysis of the Motion of a Centrifugal Impeller in Overspeed Test

Richard J. Gozdawa, Alfred W. Crook

GT 2008; 81-89doi:https://doi.org/10.1115/GT2008-50699

Abstract

View Articletitled, An Analysis of the Motion of a Centrifugal Impeller in Overspeed Test

PDF

Topics: Impellers , Compressors , Rotational inertia

Distortion Compensation by Shape Modification of Complex Turbine Geometries in the Presence of High Temperature Gradients

John McElhaney

GT 2008; 91-102doi:https://doi.org/10.1115/GT2008-50757

Abstract

View Articletitled, Distortion Compensation by Shape Modification of Complex Turbine Geometries in the Presence of High Temperature Gradients

PDF

Topics: High temperature , Shapes , Turbines , Steam , Metals , Design , Flanges , Steam turbines , Blades , Cutting

Investigation of Multi-Material Bird Models for Predicting Impact Loads

Lakshmi S. Nizampatnam, Walter J. Horn

GT 2008; 103-114doi:https://doi.org/10.1115/GT2008-51005

Abstract

View Articletitled, Investigation of Multi-Material Bird Models for Predicting Impact Loads

PDF

Topics: Stress , Computer simulation , Density , Equations of state , Hydrodynamics , Particulate matter , Shapes

Design Optimization and Validation of a Power Turbine Blade for an Aero-Derivative Gas Turbine Upgrade

Paolo Del Turco, Michele D’Ercole, Nicola Pieroni, Massimiliano Mariotti, Francesco Gamberi, William Zemitis

GT 2008; 115-123doi:https://doi.org/10.1115/GT2008-51064

Abstract

View Articletitled, Design Optimization and Validation of a Power Turbine Blade for an Aero-Derivative Gas Turbine Upgrade

PDF

Topics: Design , Gas turbines , Optimization , Turbine blades , High cycle fatigue , Blades , Creep , Turbines , Aircraft engines , Concurrent engineering

An Acoustic Modal Analysis of a DLE Combustion System

Lingli Yu, Mick Cashmore

GT 2008; 125-134doi:https://doi.org/10.1115/GT2008-51075

Abstract

View Articletitled, An Acoustic Modal Analysis of a DLE Combustion System

PDF

Topics: Acoustics , Combustion systems , Modal analysis , Simulation , Testing , Acoustical properties , Boundary-value problems , Combustion , Combustion chambers , Cylinders

Axial-Transverse Coupled Vibration Analysis of a Swinging Roller-Follower CAM Due to Flexible Follower Rod

J. R. Chang, M. C. Huang

GT 2008; 135-142doi:https://doi.org/10.1115/GT2008-51082

Abstract

View Articletitled, Axial-Transverse Coupled Vibration Analysis of a Swinging Roller-Follower CAM Due to Flexible Follower Rod

PDF

Topics: Rollers , Vibration , Vibration analysis

Experimental Evaluation of Abradable Seal Performance at High Temperature

A. Dadouche, M. J. Conlon, W. Dmochowski, B. Liko, J.-P. Bedard

GT 2008; 143-150doi:https://doi.org/10.1115/GT2008-51228

Abstract

View Articletitled, Experimental Evaluation of Abradable Seal Performance at High Temperature

PDF

Topics: Abrasion , Aircraft engines , Blades , Engines , Fuel consumption , Gas turbines , High temperature , Leakage , Mechanical properties , Operating temperature

Fatigue, Fracture and Life Prediction

Lifing of Turbomachinery Blades: A Process Driven Approach

J. S. Rao, R. Narayan, M. C. Ranjith

GT 2008; 151-158doi:https://doi.org/10.1115/GT2008-50231

Abstract

View Articletitled, Lifing of Turbomachinery Blades: A Process Driven Approach

PDF

Topics: Blades , Turbomachinery , Design , Cycles , Damage , Engineering prototypes , Failure , Fluid mechanics , Heat transfer , Resonance

Methods of Extrapolating Low Cycle Fatigue Data to High Stress Amplitudes

David Radonovich, Ali P. Gordon

GT 2008; 159-168doi:https://doi.org/10.1115/GT2008-50365

Abstract

View Articletitled, Methods of Extrapolating Low Cycle Fatigue Data to High Stress Amplitudes

PDF

Topics: Low cycle fatigue , Stress , Alloys , Temperature , Design , Gas turbines , Oxidation , Superalloys

Simulated Foreign Object Damage on Blade Aerofoils: Real Damage Investigation

Pierangelo Duo´, Christian Pianka, Andrej Golowin, Matthias Fueller, Roger Schaefer, Ulf Bernhardt

GT 2008; 169-176doi:https://doi.org/10.1115/GT2008-50371

Abstract

View Articletitled, Simulated Foreign Object Damage on Blade Aerofoils: Real Damage Investigation

PDF

Topics: Airfoils , Blades , Damage , High cycle fatigue , Geometry , Fatigue strength , Aircraft engines , Compressors , Computer simulation , Electromagnetic scattering

CFD and Thermo-Mechanical Analysis for Heat Exchanger Used in Aero Engine

Ho Seung Jeong, Jong Rae Cho, Lae Sung Kim, Man Yeong Ha, Ji Hwan Jeong, Kui Soon Kim, Torbjorn Lindquist, Philip Walsh

GT 2008; 177-184doi:https://doi.org/10.1115/GT2008-50447

Abstract

View Articletitled, CFD and Thermo-Mechanical Analysis for Heat Exchanger Used in Aero Engine

PDF

Topics: Aircraft engines , Computational fluid dynamics , Heat exchangers , Thermomechanics , Temperature , Alloys , Pressure , Design , Fatigue analysis , Finite element analysis

3D Crack Growth Analysis and Its Correlation With Experiments for Critical Turbine Components Under an International Collaborative Program

J. Hou, J. Dubke, K. Barlow, S. Slater, L. Harris, S. Calcuttawala, W. Beres

GT 2008; 185-193doi:https://doi.org/10.1115/GT2008-50548

Abstract

View Articletitled, 3D Crack Growth Analysis and Its Correlation With Experiments for Critical Turbine Components Under an International Collaborative Program

PDF

Topics: Fracture (Materials) , Turbine components , Particle spin , Rotation , Spin (Aerodynamics) , Computer software , Low cycle fatigue , Engines , Stress analysis (Engineering) , Testing

A Viscoplastic Modeling Approach for MCrAlY Protective Coatings for Gas Turbine Applications

Roland Mu¨cke

GT 2008; 195-202doi:https://doi.org/10.1115/GT2008-50579

Abstract

View Articletitled, A Viscoplastic Modeling Approach for MCrAlY Protective Coatings for Gas Turbine Applications

PDF

Topics: Gas turbines , Modeling , Protective coatings , Coatings , Oxidation , Stress , Aircraft engines , Computer simulation , Constitutive equations , Corrosion

Critical Components Life Update for Gas Turbine Engines: Case Study of an International Collaboration

Wieslaw Beres, Donald Fread, Lesley Harris, Philip Haupt, Joanna Kappas, Roger Olson, Philip Reineke, Sandi Robertson, Gordon Stocks

GT 2008; 203-213doi:https://doi.org/10.1115/GT2008-50655

Abstract

View Articletitled, Critical Components Life Update for Gas Turbine Engines: Case Study of an International Collaboration

PDF

Topics: Collaboration , Gas turbines , Engines , Fracture (Materials) , Particle spin , Rotation , Spin (Aerodynamics) , Testing , Nondestructive evaluation , Turbine components

A New Energy-Based Multiaxial Fatigue Life Prediction Procedure

Wasim Tarar, Onome Scott-Emuakpor, M.-H. Herman Shen, Tommy George, Charles Cross

GT 2008; 215-223doi:https://doi.org/10.1115/GT2008-51170

Abstract

View Articletitled, A New Energy-Based Multiaxial Fatigue Life Prediction Procedure

PDF

Topics: Fatigue life , Cycles , Stress , Finite element analysis , Failure , Constitutive equations , Fatigue , Aluminum , Fracture (Materials) , Fracture (Process)

Three-Dimensional Modeling of Creep Damage in Airfoils for Advanced Turbine Systems

Ventzislav G. Karaivanov, Danny W. Mazzotta, Minking K. Chyu, William S. Slaughter, Mary Anne Alvin

GT 2008; 225-234doi:https://doi.org/10.1115/GT2008-51278

Abstract

View Articletitled, Three-Dimensional Modeling of Creep Damage in Airfoils for Advanced Turbine Systems

PDF

Topics: Airfoils , Creep , Damage , Damage mechanics , Failure , Three-dimensional modeling , Turbines

Applicability of Neuber’s Rule for Thermomechanical Fatigue

Ali P. Gordon, Eric P. Williams, Michael Schulist

GT 2008; 235-244doi:https://doi.org/10.1115/GT2008-51358

Abstract

View Articletitled, Applicability of Neuber’s Rule for Thermomechanical Fatigue

PDF

Topics: Fatigue , Thermomechanics , Stress , Finite element analysis , Superalloys , Blades , Computer simulation , Computer software , Deformation , Fatigue life

Foreign Object Damage and Fatigue Strength Loss in Compressor Blades

Mickhail S. Nikhamkin, Leonid V. Voronov, Irina V. Semenova

GT 2008; 245-251doi:https://doi.org/10.1115/GT2008-51493

Abstract

View Articletitled, Foreign Object Damage and Fatigue Strength Loss in Compressor Blades

PDF

Topics: Blades , Compressors , Damage , Fatigue strength , Finite element methods , Stress concentration

Structural Mechanics and Vibration

The Role of Structural Damping in Aeroderivative Engine Structure Modeling

Jing Yuan, Agnieszka Muszynska, Kenneth Heyden

GT 2008; 253-259doi:https://doi.org/10.1115/GT2008-50081

Abstract

View Articletitled, The Role of Structural Damping in Aeroderivative Engine Structure Modeling

PDF

Topics: Damping , Engines , Modeling , Rotors , Accounting , Stiffness

Casing Treatment and Blade Tip Configuration Effects on Controlled Gas Turbine Blade Tip/Shroud Rubs at Engine Conditions

Corso Padova, Michael G. Dunn, Jeffery Barton, Kevin Turner, Alan Turner, Darin DiTommaso

GT 2008; 261-276doi:https://doi.org/10.1115/GT2008-50112

Abstract

View Articletitled, Casing Treatment and Blade Tip Configuration Effects on Controlled Gas Turbine Blade Tip/Shroud Rubs at Engine Conditions

PDF

Topics: Blades , Engines , Gas turbines , Databases , Stress , Metals , Rotors , Surface finishing , Accelerometers , Airfoils

Mistuning Analyses of a Bladed Disk: Pole-Zero and Modal Approaches

Alok Sinha

GT 2008; 277-287doi:https://doi.org/10.1115/GT2008-50191

Abstract

View Articletitled, Mistuning Analyses of a Bladed Disk: Pole-Zero and Modal Approaches

PDF

Topics: Disks , Poles (Building) , Algorithms , Blades , Excitation , Mode shapes , Statistics

Dynamic Characteristics of Composite Helicopter Blade Solved by Using the Differential Quadrature Method

J. H. Kuang, M. H. Hsu, T. P. Hung

GT 2008; 289-297doi:https://doi.org/10.1115/GT2008-50193

Abstract

View Articletitled, Dynamic Characteristics of Composite Helicopter Blade Solved by Using the Differential Quadrature Method

PDF

Topics: Blades , Composite materials

Turbine Clashing Transient Analysis: Impact of Rotor Disk Stage Onto Static Vane Stage After Shaft Rupture

Carlo Frola, Antonino Vassallo, Marco Degiovanni, Massimiliano Mattone

GT 2008; 299-307doi:https://doi.org/10.1115/GT2008-50216

Abstract

View Articletitled, Turbine Clashing Transient Analysis: Impact of Rotor Disk Stage Onto Static Vane Stage After Shaft Rupture

PDF

Topics: Disks , Rotors , Rupture , Transient analysis , Turbines , Aircraft engines , Compressors , Energy dissipation , Failure , Finite element analysis

Friction Damping Modeling in High Stress Contact Areas Using Microslip Friction Model

Francisco J. Marquina, Armando Coro, Alberto Gutie´rrez, Roberto Alonso, David J. Ewins, Giovanna Girini

GT 2008; 309-318doi:https://doi.org/10.1115/GT2008-50359

Abstract

View Articletitled, Friction Damping Modeling in High Stress Contact Areas Using Microslip Friction Model

PDF

Topics: Damping , Friction , Modeling , Stress , Blades , Dampers , Rotors , Coulombs , Disks , Engineering simulation

Experimental Study on Impeller Blade Vibration During Resonance: Part 1—Blade Vibration Due to Inlet Flow Distortion

Albert Kammerer, Reza S. Abhari

GT 2008; 319-331doi:https://doi.org/10.1115/GT2008-50466

Abstract

View Articletitled, Experimental Study on Impeller Blade Vibration During Resonance: Part 1—Blade Vibration Due to Inlet Flow Distortion

PDF

Topics: Blades , Flow (Dynamics) , Impellers , Resonance , Vibration , Compressors , Damping , Pressure , Computational fluid dynamics , Design

Experimental Study on Impeller Blade Vibration During Resonance: Part 2—Blade Damping

Albert Kammerer, Reza S. Abhari

GT 2008; 333-344doi:https://doi.org/10.1115/GT2008-50467

Abstract

View Articletitled, Experimental Study on Impeller Blade Vibration During Resonance: Part 2—Blade Damping

PDF

Topics: Blades , Damping , Impellers , Resonance , Vibration , Pressure , Compressors , Excitation , Computational fluid dynamics , Energy dissipation

A Forced Response Method for Annular Combustors Excited by Traveling Acoustic Pressure Waves

Sanghum Baik, Mehmet Dede

GT 2008; 345-353doi:https://doi.org/10.1115/GT2008-50476

Abstract

View Articletitled, A Forced Response Method for Annular Combustors Excited by Traveling Acoustic Pressure Waves

PDF

Topics: Combustion chambers , Sound pressure , Waves , Finite element analysis , Wheels , Finite element model , Mode shapes , Periodic structures , Physics , Pressure

Method for Sensitivity Analysis of Resonance Forced Response of Bladed Discs With Nonlinear Contact Interfaces

E. P. Petrov

GT 2008; 355-366doi:https://doi.org/10.1115/GT2008-50481

Abstract

View Articletitled, Method for Sensitivity Analysis of Resonance Forced Response of Bladed Discs With Nonlinear Contact Interfaces

PDF

Topics: Disks , Resonance , Sensitivity analysis , Friction , Blades , Dampers , Damping , Excitation , Finite element model , High pressure (Physics)

Reduction of Multi-Stage Disk Models: Application to an Industrial Rotor

Arnaud Sternchu¨ss, Etienne Balme`s, Pierrick Jean, Jean-Pierre Lombard

GT 2008; 367-380doi:https://doi.org/10.1115/GT2008-50580

Abstract

View Articletitled, Reduction of Multi-Stage Disk Models: Application to an Industrial Rotor

PDF

Topics: Disks , Rotors , Blades , Kinematics

A Discrete Model to Consider the Influence of the Air Flow on Blade Vibrations of an Integral Blisk Compressor Rotor

Bernd Beirow, Arnold Ku¨hhorn, Sven Schrape

GT 2008; 381-392doi:https://doi.org/10.1115/GT2008-50613

Abstract

View Articletitled, A Discrete Model to Consider the Influence of the Air Flow on Blade Vibrations of an Integral Blisk Compressor Rotor

PDF

Topics: Air flow , Blades , Compressors , Rotors , Vibration , Displacement , Fluid structure interaction , Cascades (Fluid dynamics) , Combustion chambers , Computation

Design Tuning of High Aspect Ratio Shrouded Turbine Blades

Alexander N. Arkhipov, Andrey V. Pipopulo, Igor V. Putchkov

GT 2008; 393-401doi:https://doi.org/10.1115/GT2008-50670

Abstract

View Articletitled, Design Tuning of High Aspect Ratio Shrouded Turbine Blades

PDF

Topics: Design , Turbine blades , Blades , Three-dimensional models , Airfoils , Boundary-value problems , Chords (Trusses) , Clearances (Engineering) , Creep , Dynamic response

Blade Vibration Phenomena of HPC Bliscs Considering Manufacturing Effects and Strain Gauge Application

T. Klauke, A. Ku¨hhorn, B. Beirow, R. Parchem

GT 2008; 403-413doi:https://doi.org/10.1115/GT2008-50683

Abstract

View Articletitled, Blade Vibration Phenomena of HPC Bliscs Considering Manufacturing Effects and Strain Gauge Application

PDF

Topics: Blades , Manufacturing , Strain gages , Vibration , Rotors , Compressors , Aircraft engines , Disks , Excitation , Grinding

Design and Testing of a Vibrating Test Object for Investigating Fluid-Structure Interaction

Nikos Andrinopoulos, Damian Vogt, Jiasen Hu, Torsten H. Fransson

GT 2008; 415-424doi:https://doi.org/10.1115/GT2008-50740

Abstract

View Articletitled, Design and Testing of a Vibrating Test Object for Investigating Fluid-Structure Interaction

PDF

Topics: Design , Fluid structure interaction , Testing , Vibration , Blades , Compressors , Finite element analysis , Flow (Dynamics) , Frequency response , Lasers

Nonlinear Vibration Analysis of Gas Turbine Bladings With Shroud Coupling

Andreas Hohl, Christian Siewert, Lars Panning, Andreas Kayser

GT 2008; 425-433doi:https://doi.org/10.1115/GT2008-50787

Abstract

View Articletitled, Nonlinear Vibration Analysis of Gas Turbine Bladings With Shroud Coupling

PDF

Topics: Gas turbines , Nonlinear vibration , Vibration , Damping , Dampers , Equations of motion , Excitation , Finite element analysis , Finite element model , Fluids

Asymptotic Description of Maximum Mistuning Amplification of Bladed Disk Forced Response

Carlos Martel, Roque Corral

GT 2008; 435-446doi:https://doi.org/10.1115/GT2008-50822

Abstract

View Articletitled, Asymptotic Description of Maximum Mistuning Amplification of Bladed Disk Forced Response

PDF

Topics: Disks , Springs , Vibration

Tip-Timing Data Analysis for Mistuned Bladed Discs Assemblies

Cyrille Ste´phan, Marc Berthillier, Joseph Lardie`s, Arnaud Talon

GT 2008; 447-455doi:https://doi.org/10.1115/GT2008-50825

Abstract

View Articletitled, Tip-Timing Data Analysis for Mistuned Bladed Discs Assemblies

PDF

Topics: Disks , Blades , Signals , Emission spectroscopy , Spectroscopy , Vibration , Vibration measurement , Engines , Filters , Manufacturing

Non-Linear Modal Analysis for Bladed Disks With Friction Contact Interfaces

Denis Laxalde, Loi¨c Salles, Laurent Blanc, Fabrice Thouverez

GT 2008; 457-467doi:https://doi.org/10.1115/GT2008-50860

Abstract

View Articletitled, Non-Linear Modal Analysis for Bladed Disks With Friction Contact Interfaces

PDF

Topics: Disks , Friction , Modal analysis , Dampers , Damping , Design , Equations of motion , Excitation , Flutter (Aerodynamics) , Simulation

Experimental and Numerical Investigations of Friction Rings Damping of Blisks

Denis Laxalde, Claude Gibert, Fabrice Thouverez

GT 2008; 469-479doi:https://doi.org/10.1115/GT2008-50862

Abstract

View Articletitled, Experimental and Numerical Investigations of Friction Rings Damping of Blisks

PDF

Topics: Damping , Friction , Excitation , Resonance , Compressors , Computer simulation , Dampers , Disks , Dynamics (Mechanics) , Numerical analysis

Test-Model Correlation of Dry-Friction Damping Phenomena in Aero-Engines

P. Jean, C. Gibert, C. Dupont, J.-P. Lombard

GT 2008; 481-491doi:https://doi.org/10.1115/GT2008-50891

Abstract

View Articletitled, Test-Model Correlation of Dry-Friction Damping Phenomena in Aero-Engines

PDF

Topics: Aircraft engines , Damping , Dry friction , Friction , Blades , Disks , Dampers , Design , Resonance , Excitation

On the Individual and Combined Effects of Intentional Mistuning, Coupling and Damping on the Forced Response of Bladed Disks

Changbo Yu, Jianjun Wang, Qihan Li

GT 2008; 493-499doi:https://doi.org/10.1115/GT2008-50960

Abstract

View Articletitled, On the Individual and Combined Effects of Intentional Mistuning, Coupling and Damping on the Forced Response of Bladed Disks

PDF

Topics: Damping , Disks , Blades , High cycle fatigue , Failure , Stiffness

Forced Response of Shrouded Blades With Intermittent Dry Friction Force

Weiwei Gu, Zili Xu, Lv Qiang

GT 2008; 501-508doi:https://doi.org/10.1115/GT2008-51041

Abstract

View Articletitled, Forced Response of Shrouded Blades With Intermittent Dry Friction Force

PDF

Topics: Blades , Dry friction , Friction , Dampers , Damping , Stress , Algebra , Differential equations , Resonance , Runge-Kutta methods

Aeroelastic Properties of Closely Spaced Modes for a Highly Loaded Transonic Fan

Hans Ma˚rtensson, Ste´fan Sturla Gunnsteinsson, Damian M. Vogt

GT 2008; 509-518doi:https://doi.org/10.1115/GT2008-51046

Abstract

View Articletitled, Aeroelastic Properties of Closely Spaced Modes for a Highly Loaded Transonic Fan

PDF

Topics: Blades , Chords (Trusses) , Compressors , Couplings , Design , Dynamics (Mechanics) , Flutter (Aerodynamics) , High pressure (Physics) , Mode shapes , Risk

Range of Variability in the Dynamics of Semi-Cylindrical Friction Dampers for Turbine Blades

Stefano Zucca, Daniele Botto, Muzio M. Gola

GT 2008; 519-529doi:https://doi.org/10.1115/GT2008-51058

Abstract

View Articletitled, Range of Variability in the Dynamics of Semi-Cylindrical Friction Dampers for Turbine Blades

PDF

Topics: Dampers , Dynamics (Mechanics) , Friction , Turbine blades , Stress , Rotation , Degrees of freedom , Excitation , Failure , High cycle fatigue

Numerical and Experimental Damping Prediction of a Nonlinearly Coupled Low Pressure Steam Turbine Blading

Christian Siewert, Lars Panning, Christoph Gerber, Pierre-Alain Masserey

GT 2008; 531-542doi:https://doi.org/10.1115/GT2008-51073

Abstract

View Articletitled, Numerical and Experimental Damping Prediction of a Nonlinearly Coupled Low Pressure Steam Turbine Blading

PDF

Topics: Damping , Pressure , Steam turbines , Blades , Vibration , Damage , Design , Energy dissipation , Friction , Nonlinear equations

Dynamic Analysis of Fretting-Wear in Friction Contact Interfaces

Loi¨c Salles, Laurent Blanc, Fabrice Thouverez, Alexander M. Gouskov

GT 2008; 543-554doi:https://doi.org/10.1115/GT2008-51112

Abstract

View Articletitled, Dynamic Analysis of Fretting-Wear in Friction Contact Interfaces

PDF

Topics: Dynamic analysis , Friction , Wear , Blades , Turbomachinery , Vibration , Approximation , Cycles , Degrees of freedom , Disks

A Study of the Effect of Non-Linear Damping on Mistune Behaviour of a Turbine Rotor

Bob Elliott, Michael E. Wardle, Robert A. Bellamy

GT 2008; 555-563doi:https://doi.org/10.1115/GT2008-51128

Abstract

View Articletitled, A Study of the Effect of Non-Linear Damping on Mistune Behaviour of a Turbine Rotor

PDF

Topics: Damping , Rotors , Turbines , Disks , Blades , Computer software , Dampers , Friction , Manufacturing , Turbine blades

Online and Offline Vibration Analysis of Stator End Windings of Large Power Generators

Dagmar Thien, Holger Romanowski, Sebastian Strack, Stefan Kempen, Thorsten Krol, Axel Langmann

GT 2008; 565-572doi:https://doi.org/10.1115/GT2008-51130

Abstract

View Articletitled, Online and Offline Vibration Analysis of Stator End Windings of Large Power Generators

PDF

Topics: Generators , Stators , Vibration analysis , Vibration , Winding (process) , Vibration measurement , Accelerometers , Fibers , Finite element model , Impact testing

A Contact Model for Nonlinear Forced Response Prediction of Turbine Blades: Calculation Techniques and Experimental Comparison

Christian M. Firrone, Marco Allara, Muzio M. Gola

GT 2008; 573-582doi:https://doi.org/10.1115/GT2008-51231

Abstract

View Articletitled, A Contact Model for Nonlinear Forced Response Prediction of Turbine Blades: Calculation Techniques and Experimental Comparison

PDF

Topics: Blades , Computer simulation , Contact mechanics , Cycles , Dampers , Damping , Displacement , Dry friction , Dynamic analysis , Friction

Vibratory Response Characterization of a Radial Turbine Wheel for Automotive Turbocharger Application

Avadhoot Kulkarni, Gerry LaRue

GT 2008; 583-591doi:https://doi.org/10.1115/GT2008-51355

Abstract

View Articletitled, Vibratory Response Characterization of a Radial Turbine Wheel for Automotive Turbocharger Application

PDF

Topics: Turbines , Turbochargers , Wheels , Blades , High cycle fatigue , Resonance , Computational fluid dynamics , Deflection , Design , Diluents

Nonlinear Modal Analysis and Energy Localization in a Bladed Disk Assembly

F. Georgiades, M. Peeters, G. Kerschen, J. C. Golinval, M. Ruzzene

GT 2008; 593-600doi:https://doi.org/10.1115/GT2008-51388

Abstract

View Articletitled, Nonlinear Modal Analysis and Energy Localization in a Bladed Disk Assembly

PDF

Topics: Disks , Manufacturing , Modal analysis , Oscillations , Periodic structures

Optimization of Intentional Mistuning Patterns for the Mitigation of the Effects of Random Mistuning

Yun Han, Marc P. Mignolet

GT 2008; 601-609doi:https://doi.org/10.1115/GT2008-51439

Abstract

View Articletitled, Optimization of Intentional Mistuning Patterns for the Mitigation of the Effects of Random Mistuning

PDF

Topics: Blades , Disks , Optimization

On Damping Entire Bladed Disks Through Dampers on Only a Few Blades

Javier Avalos, Marc P. Mignolet

GT 2008; 611-616doi:https://doi.org/10.1115/GT2008-51446

Abstract

View Articletitled, On Damping Entire Bladed Disks Through Dampers on Only a Few Blades

PDF

Topics: Blades , Dampers , Damping , Disks , Optimization

Nonlinear Dynamic Behaviors of Rotor Systems for Ball End Milling

Ting-Nung Shiau, Kuan-Hung Chen, K. H. Huang

GT 2008; 617-625doi:https://doi.org/10.1115/GT2008-51461

Abstract

View Articletitled, Nonlinear Dynamic Behaviors of Rotor Systems for Ball End Milling

PDF

Topics: Milling , Rotors , Cutting , Stability , Bearings , Linear systems , Nonlinear systems , Chatter , Cycles , Design

A Reduced-Order Integrated Design Synthesis for the Three-Dimensional Tailored Vibration Response and Flutter Control of High-Bypass Shroudless Fans

O. G. McGee, III, C. Fang

GT 2008; 627-641doi:https://doi.org/10.1115/GT2008-51479

Abstract

View Articletitled, A Reduced-Order Integrated Design Synthesis for the Three-Dimensional Tailored Vibration Response and Flutter Control of High-Bypass Shroudless Fans

PDF

Topics: Design , Fans , Flutter (Aerodynamics) , Vibration , Shapes , Stiffness , Blades , Errors , Manufacturing , Optimization

Unsteady Aerodynamics (With Turbomachinery)

Aerodynamic Mistuning of Structurally Coupled Blades

Heinrich Stu¨er, Stefan Schmitt, Graham Ashcroft

GT 2008; 643-651doi:https://doi.org/10.1115/GT2008-50204

Abstract

View Articletitled, Aerodynamic Mistuning of Structurally Coupled Blades

PDF

Topics: Blades , Damping , Design , Rotors , Shapes

Experimental Demonstration of the Tip Clearance Flow Resonance Behind Compressor Non-Synchronous Vibration

Jean Thomassin, Huu Duc Vo, Njuki W. Mureithi

GT 2008; 653-664doi:https://doi.org/10.1115/GT2008-50303

Abstract

View Articletitled, Experimental Demonstration of the Tip Clearance Flow Resonance Behind Compressor Non-Synchronous Vibration

PDF

Topics: Clearances (Engineering) , Compressors , Flow (Dynamics) , Resonance , Vibration , Blades , Rotors , Feedback , Waves , Design

Forced Response Assessment Using Modal Force Based Indicator Functions

M. Vahdati, C. Breard, G. Simpson, M. Imregun

GT 2008; 665-672doi:https://doi.org/10.1115/GT2008-50306

Abstract

View Articletitled, Forced Response Assessment Using Modal Force Based Indicator Functions

PDF

Topics: Blades , Compressors , Design , Finite element analysis , Finite element model , Flow (Dynamics) , Navier-Stokes equations , Pressure , Rotors , Stators

Aerodynamically Coupled Flutter of Multiple Blade Rows

Masanobu Namba, Ayumi Kubo

GT 2008; 673-684doi:https://doi.org/10.1115/GT2008-50315

Abstract

View Articletitled, Aerodynamically Coupled Flutter of Multiple Blade Rows

PDF

Topics: Blades , Flutter (Aerodynamics) , Aerodynamics , Fluid-dynamic forces , Rotors , Cascades (Fluid dynamics) , Stators , Vibration

Forced Response of a Large Civil Fan Assembly

J. S. Green

GT 2008; 685-692doi:https://doi.org/10.1115/GT2008-50319

Abstract

View Articletitled, Forced Response of a Large Civil Fan Assembly

PDF

Topics: Manufacturing , Computational fluid dynamics , Resonance , Vibration , Airfoils , Blades , Compression , Compressors , Ducts , Engines

Forced Response and Surge Behaviour of IP Core-Compressors With Ice-Damaged Rotor Blades

Sridar Dhandapani, Mehdi Vahdati, Mehmet Imregun

GT 2008; 693-701doi:https://doi.org/10.1115/GT2008-50335

Abstract

View Articletitled, Forced Response and Surge Behaviour of IP Core-Compressors With Ice-Damaged Rotor Blades

PDF

Topics: Blades , Compressors , Ice , Rotors , Surges , Damage , Annulus , Excitation , Engines , Rotor assembly

A Time-Domain Fluid-Structure Interaction Analysis of Fan Blades

Seung Ho Cho, Taehyoun Kim, Seung Jin Song

GT 2008; 703-712doi:https://doi.org/10.1115/GT2008-50479

Abstract

View Articletitled, A Time-Domain Fluid-Structure Interaction Analysis of Fan Blades

PDF

Topics: Blades , Fluid structure interaction , Aerodynamics , Eigenvalues , Flow (Dynamics) , Fluid-dynamic forces , Plates (structures) , Vortices

Numerical Study of Unsteady Flow Phenomena in a Partial Admission Axial Steam Turbine

Narmin B. Hushmandi, Jiasen Hu, Jens Fridh, Torsten H. Fransson

GT 2008; 713-722doi:https://doi.org/10.1115/GT2008-50538

Abstract

View Articletitled, Numerical Study of Unsteady Flow Phenomena in a Partial Admission Axial Steam Turbine

PDF

Topics: Steam turbines , Unsteady flow , Pressure , Blades , Cross section (Physics) , Entropy , Rotors , Annulus , Computation , Inlet guide vanes

Numerical Simulation of Transonic Fan Flutter With 3D N-S CFD Code

Mizuho Aotsuka, Naoki Tsuchiya, Yasuo Horiguchi, Osamu Nozaki, Kazuomi Yamamoto

GT 2008; 723-734doi:https://doi.org/10.1115/GT2008-50573

Abstract

View Articletitled, Numerical Simulation of Transonic Fan Flutter With 3D N-S CFD Code

PDF

Topics: Computational fluid dynamics , Computer simulation , Flutter (Aerodynamics) , Blades , Shock waves , Damping , Finite volume methods , Flow (Dynamics) , Mach number , Navier-Stokes equations

Efficient Design Method for Non-Synchronous Vibrations Using Enforced Motion

Meredith A. Spiker, Robert E. Kielb, Kenneth C. Hall, Jeffrey P. Thomas

GT 2008; 735-747doi:https://doi.org/10.1115/GT2008-50599

Abstract

View Articletitled, Efficient Design Method for Non-Synchronous Vibrations Using Enforced Motion

PDF

Topics: Design methodology , Vibration , Blades , Design , Computational fluid dynamics , Damping , Flow instability , Fluids , Limit cycles , Locks (Waterways)

Experimental and CFD Based Determination of Flutter Limits in Supersonic Space Turbines

Pieter J. Groth, Hans E. Ma˚rtensson, Niklas Edin

GT 2008; 749-757doi:https://doi.org/10.1115/GT2008-50675

Abstract

View Articletitled, Experimental and CFD Based Determination of Flutter Limits in Supersonic Space Turbines

PDF

Topics: Computational fluid dynamics , Flutter (Aerodynamics) , Turbines , Damping , Design , Blades , Failure , Flow (Dynamics) , High pressure (Physics)

Design and Experimental Verification of Mistuning of a Supersonic Turbine Blisk

Pieter Groth, Hans Ma˚rtensson, Clas Andersson

GT 2008; 759-768doi:https://doi.org/10.1115/GT2008-50677

Abstract

View Articletitled, Design and Experimental Verification of Mistuning of a Supersonic Turbine Blisk

PDF

Topics: Design , Turbines , Flutter (Aerodynamics) , Rotors , Blades

Experimental and Numerical Flutter Investigation of the 1^st Stage Rotor in 4-Stage High Speed Compressor

E. Johann, B. Mu¨ck, J. Nipkau

GT 2008; 769-778doi:https://doi.org/10.1115/GT2008-50698

Abstract

View Articletitled, Experimental and Numerical Flutter Investigation of the 1<sup>st</sup> Stage Rotor in 4-Stage High Speed Compressor

PDF

Topics: Compressors , Flutter (Aerodynamics) , Rotors , Instrumentation , Simulation , Blades , Boundary-value problems , Damping , Flow (Dynamics) , Pressure transducers

The Effects of Aerodynamic Asymmetric Perturbations on Forced Response of Bladed Disks

Tomokazu Miyakozawa, Robert E. Kielb, Kenneth C. Hall

GT 2008; 779-790doi:https://doi.org/10.1115/GT2008-50719

Abstract

View Articletitled, The Effects of Aerodynamic Asymmetric Perturbations on Forced Response of Bladed Disks

PDF

Topics: Aerodynamics , Blades , Computational fluid dynamics , Damage , Damping , Disks , Equations of motion , Fluid-dynamic forces , Manufacturing , Stiffness

Effect of Stator Clocking on the 3D Aeroelastic Characteristics of Compressor Rotor Blades

Romuald Rza˛dkowski, Vitally Gnesin, Luba Kolodyazhnaya

GT 2008; 791-800doi:https://doi.org/10.1115/GT2008-50767

Abstract

View Articletitled, Effect of Stator Clocking on the 3D Aeroelastic Characteristics of Compressor Rotor Blades

PDF

Topics: Blades , Compressors , Rotors , Stators , Oscillations , Annulus , Equations of motion , Finite element model , Flow (Dynamics) , Fluids

Unsteady Blade and Disk Resonant Stress Analysis Due to Supersonic Inlet Guide Vane Wakes

G. Nordwall, M. Leduc, A. Demeulenaere

GT 2008; 801-810doi:https://doi.org/10.1115/GT2008-50865

Abstract

View Articletitled, Unsteady Blade and Disk Resonant Stress Analysis Due to Supersonic Inlet Guide Vane Wakes

PDF

Topics: Blades , Disks , Inlet guide vanes , Resonance , Stress analysis (Engineering) , Wakes , Computational fluid dynamics , Design , Finite element analysis , Impellers

Investigation on Flow Characteristics and Stability of Control Valves for Steam Turbines

Guanwei Liu, Shunsen Wang, Hui Guo, Jingru Mao, Zhenping Feng, Xiaowei Xiang

GT 2008; 811-820doi:https://doi.org/10.1115/GT2008-51016

Abstract

View Articletitled, Investigation on Flow Characteristics and Stability of Control Valves for Steam Turbines

PDF

Topics: Computer simulation , Flow (Dynamics) , Stability , Steam turbines , Valves

Aerodynamic Asymmetry Analysis of Unsteady Flows in Turbomachinery

Kivanc Ekici, Robert E. Kielb, Kenneth C. Hall

GT 2008; 821-834doi:https://doi.org/10.1115/GT2008-51176

Abstract

View Articletitled, Aerodynamic Asymmetry Analysis of Unsteady Flows in Turbomachinery

PDF

Topics: Turbomachinery , Unsteady flow , Blades , Boundary-value problems , Flutter (Aerodynamics) , Rotors , Stability , Vibration , Wheels

Verification of the Vibration Amplitude Prediction of Self-Excited LPT Rotor Blades Using a Fully Coupled Time-Domain Non-Linear Method and Experimental Data

Roque Corral, Juan Manuel Gallardo

GT 2008; 835-847doi:https://doi.org/10.1115/GT2008-51416

Abstract

View Articletitled, Verification of the Vibration Amplitude Prediction of Self-Excited LPT Rotor Blades Using a Fully Coupled Time-Domain Non-Linear Method and Experimental Data

PDF

Topics: Blades , Rotors , Vibration , Airfoils , Disks , Dry friction , Pressure , Turbines , Aerodynamics , Energy budget (Physics)

Numerical and Experimental Study of Active Flutter Suppression With Piezoelectric Device for Transonic Cascade

Toshinori Watanabe, Junichi Kazawa, Seiji Uzawa, Benjamin Keim

GT 2008; 849-859doi:https://doi.org/10.1115/GT2008-51467

Abstract

View Articletitled, Numerical and Experimental Study of Active Flutter Suppression With Piezoelectric Device for Transonic Cascade

PDF

Topics: Cascades (Fluid dynamics) , Flutter (Aerodynamics)

Rotordynamics and Magnetic Bearings

Static Performance Characteristics and Rotordynamic Coefficients for a Four-Pad Ball-in-Socket Tilting Pad Journal Bearing

Joel Harris, Dara Childs

GT 2008; 861-871doi:https://doi.org/10.1115/GT2008-50063

Abstract

View Articletitled, Static Performance Characteristics and Rotordynamic Coefficients for a Four-Pad Ball-in-Socket Tilting Pad Journal Bearing

PDF

Topics: Journal bearings , Performance characterization , Stress , Bearings , Stiffness , Temperature , Clearances (Engineering) , Damping , Equilibrium (Physics) , Excitation

Measurements Versus Predictions for Rotordynamic Characteristics of a Flexure Pivot-Pad Tilting Pad Bearing in an LBP Condition at Higher Unit Loads

J. Eric Hensley, Dara Childs

GT 2008; 873-881doi:https://doi.org/10.1115/GT2008-50066

Abstract

View Articletitled, Measurements Versus Predictions for Rotordynamic Characteristics of a Flexure Pivot-Pad Tilting Pad Bearing in an LBP Condition at Higher Unit Loads

PDF

Topics: Bearings , Bending (Stress) , Stress , Excitation , Stators , Stiffness

Measurements Versus Predictions for Rotordynamic and Leakage Characteristics of a Convergent-Tapered, Honeycomb-Stator/Smooth-Rotor Annular Gas Seal

Daniel E. van der Velde, Dara W. Childs

GT 2008; 883-889doi:https://doi.org/10.1115/GT2008-50068

Abstract

View Articletitled, Measurements Versus Predictions for Rotordynamic and Leakage Characteristics of a Convergent-Tapered, Honeycomb-Stator/Smooth-Rotor Annular Gas Seal

PDF

Topics: Honeycomb structures , Leakage , Rotors , Stators , Damping , Excitation , Stiffness , Clearances (Engineering) , Pressure , Fluids

Measurements Versus Predictions for the Rotordynamic Characteristics of a 5-Pad, Rocker-Pivot, Tilting-Pad Bearing in Load Between Pad Configuration

Clint R. Carter, Dara W. Childs

GT 2008; 891-901doi:https://doi.org/10.1115/GT2008-50069

Abstract

View Articletitled, Measurements Versus Predictions for the Rotordynamic Characteristics of a 5-Pad, Rocker-Pivot, Tilting-Pad Bearing in Load Between Pad Configuration

PDF

Topics: Bearings , Stress , Stiffness , Damping , Clearances (Engineering) , Computational fluid dynamics , Dynamic testing (Engineering) , Excitation , Flow (Dynamics) , Hardening

Low Speed Balancing for Supercritical Shafting in Gas Turbines

Peter D. Hylton

GT 2008; 903-910doi:https://doi.org/10.1115/GT2008-50077

Abstract

View Articletitled, Low Speed Balancing for Supercritical Shafting in Gas Turbines

PDF

Topics: Gas turbines , Manufacturing , Aircraft , Damping , Diluents , Energy generation , Engines , Military systems , Modeling , Power stations

A Study of Thermohydrodynamic Features of Multi Wound Foil Bearing Using Lobatto Point Quadrature

Kai Feng, Shigehiko Kaneko

GT 2008; 911-922doi:https://doi.org/10.1115/GT2008-50110

Abstract

View Articletitled, A Study of Thermohydrodynamic Features of Multi Wound Foil Bearing Using Lobatto Point Quadrature

PDF

Topics: Foil bearings , Thermohydrodynamics , Temperature , Air bearings , Deformation , Elasticity , Film thickness , Finite element model , High temperature , Lubricants

Diagnosing Coupled Lateral-Torsional Vibrations in Turbomachinery

Vinayaka N. Rajagopalan, John M. Vance

GT 2008; 923-930doi:https://doi.org/10.1115/GT2008-50125

Abstract

View Articletitled, Diagnosing Coupled Lateral-Torsional Vibrations in Turbomachinery

PDF

Topics: Turbomachinery , Vibration , Signals , Damage , Engines , Gears , Machinery , Motors , Spin (Aerodynamics) , Spinning (Textile)

Static and Dynamic Performance of Pressure Dam Bearings With Dam Steps That Are (I) Square and (II) Filleted

Dara Childs, Andrew Schaible, Bader Al Jughaiman

GT 2008; 931-939doi:https://doi.org/10.1115/GT2008-50136

Abstract

View Articletitled, Static and Dynamic Performance of Pressure Dam Bearings With Dam Steps That Are (I) Square and (II) Filleted

PDF

Topics: Bearings , Dams , Pressure , Design , Damping , Stiffness , Stability , Stress , Clearances (Engineering) , Dimensions

Experimental Study on Nonlinear Dynamics Characteristics of High-Speed Rotor-Gas Lubrication Bearing System

Ce Chen, JinFu Yang, JianWei Lou, ChaoQun Nie

GT 2008; 941-946doi:https://doi.org/10.1115/GT2008-50250

Abstract

View Articletitled, Experimental Study on Nonlinear Dynamics Characteristics of High-Speed Rotor-Gas Lubrication Bearing System

PDF

Topics: Bearings , Lubrication , Nonlinear dynamics , Rotors , Whirls , Bifurcation , Chaos , Rotation , Vibration , Design

An Analytic Model of Oil-Film Force on Hydrodynamic Journal Bearing of Finite Length

JinFu Yang, Ce Chen, ShengBo Yang, DaRen Yu, Ying Cui, Kun Yang, ZhongGuang Fu

GT 2008; 947-952doi:https://doi.org/10.1115/GT2008-50251

Abstract

View Articletitled, An Analytic Model of Oil-Film Force on Hydrodynamic Journal Bearing of Finite Length

PDF

Topics: Journal bearings , Pressure , Bearings , Rotors , Boundary-value problems , Clearances (Engineering) , Dynamic response , Steam turbines , Whirls

A Criterion for Evaluation Stability of Journal Bearings-Rotor System

Jin Fu Yang, Kun Yang, ShengBo Yang, Ce Chen, Ying Cui, DaRen Yu, YongJun Wang, WenFeng Wu

GT 2008; 953-959doi:https://doi.org/10.1115/GT2008-50252

Abstract

View Articletitled, A Criterion for Evaluation Stability of Journal Bearings-Rotor System

PDF

Topics: Bearings , Rotors , Stability , Whirls , Journal bearings , Stress , Centrifugal force , Disks , Gravity (Force) , Pressure

Identification and Correction of Rotor Instability in an Oil-Free Gas Turbine

Daniel R. Lubell, Jonathan L. Wade, Navjot S. Chauhan, John G. Nourse

GT 2008; 961-968doi:https://doi.org/10.1115/GT2008-50305

Abstract

View Articletitled, Identification and Correction of Rotor Instability in an Oil-Free Gas Turbine

PDF

Topics: Gas turbines , Rotors , Bearings , Turbomachinery , Design , Foil bearings , Turbines , Damping , High temperature , Imaging

Successful Oil-Free Version of a Gas Compressor Through Integrated Design of Foil Bearings

Jonathan L. Wade, Daniel R. Lubell, Dennis Weissert

GT 2008; 969-973doi:https://doi.org/10.1115/GT2008-50349

Abstract

View Articletitled, Successful Oil-Free Version of a Gas Compressor Through Integrated Design of Foil Bearings

PDF

Topics: Design , Foil bearings , Gas compressors , Bearings , Pumps , Ball bearings , Compressors , Failure , Maintenance , Temperature

Leveraging the Strengths of Commercial Finite Element Modeling Codes and Custom Engineered Software to Solve Atypical Rotordynamic Problems

David Ransom

GT 2008; 975-982doi:https://doi.org/10.1115/GT2008-50363

Abstract

View Articletitled, Leveraging the Strengths of Commercial Finite Element Modeling Codes and Custom Engineered Software to Solve Atypical Rotordynamic Problems

PDF

Topics: Computer software , Finite element analysis , Modeling , Simulation , Engineers , Rotordynamics , Nonlinear systems , Rotors , Transients (Dynamics)

Analysis of Dynamic Characteristics of Gas Turbine Rotor Considering Contact Effects and Pre-Tightening Force

Qi Yuan, Rui Gao, Zhenping Feng, Jianlu Wang

GT 2008; 983-988doi:https://doi.org/10.1115/GT2008-50396

Abstract

View Articletitled, Analysis of Dynamic Characteristics of Gas Turbine Rotor Considering Contact Effects and Pre-Tightening Force

PDF

Topics: Gas turbines , Rotors , Stiffness , Tie rods , Finite element methods , Disks , Bearings , Computers , Cooling , Design

Dynamic Response of the Vertical Rotor System to Base Excitation

Jianli Zuo, Jianjun Wu, Ping Li, Shenjian Su

GT 2008; 989-994doi:https://doi.org/10.1115/GT2008-50402

Abstract

View Articletitled, Dynamic Response of the Vertical Rotor System to Base Excitation

PDF

Topics: Dynamic response , Excitation , Rotors , Whirls , Differential equations , Machinery

Shrink Fit Effects on Rotordynamic Stability: Experimental Study

Syed Muhammad Mohsin Jafri, John M. Vance

GT 2008; 995-1006doi:https://doi.org/10.1115/GT2008-50410

Abstract

View Articletitled, Shrink Fit Effects on Rotordynamic Stability: Experimental Study

PDF

Topics: Aluminum , Bearings , Disks , Internal friction , Machinery , Press fits , Rotor vibration , Rotors , Stability , Vibration

An Investigation on Dynamic Characteristics of a High Speed Rotor With Complex Structure for Microturbine Test Rig

Di Zhang, Yonghui Xie, Zhenping Feng

GT 2008; 1007-1015doi:https://doi.org/10.1115/GT2008-50411

Abstract

View Articletitled, An Investigation on Dynamic Characteristics of a High Speed Rotor With Complex Structure for Microturbine Test Rig

PDF

Topics: Microturbines , Rotors , Computer simulation , Vibration , Temperature , Ceramics , Impellers , Rolling bearings , Turbines , Cantilevers

Shrink Fit Effects on Rotordynamic Stability: Theoretical Study

Syed Muhammad Mohsin Jafri, John M. Vance

GT 2008; 1017-1024doi:https://doi.org/10.1115/GT2008-50412

Abstract

View Articletitled, Shrink Fit Effects on Rotordynamic Stability: Theoretical Study

PDF

Topics: Computer software , Damping , Disks , Eigenvalues , Engineering simulation , Finite element analysis , Friction , Internal friction , Machinery , Newton's laws of motion

Evaluation of Q-Values of a Rotor-Bearing System Using a Modal Open Loop Transfer Function

Hiroyuki Fujiwara, Hirot Oyama, Norihisa Anegawa, Osami Matsushita

GT 2008; 1025-1032doi:https://doi.org/10.1115/GT2008-50459

Abstract

View Articletitled, Evaluation of Q-Values of a Rotor-Bearing System Using a Modal Open Loop Transfer Function

PDF

Topics: Bearings , Rotors , Transfer functions , Damping , Eigenvalues , Excitation , Feedforward control , Magnetic bearings , Sensors , Simulation

Relationship of Influence Coefficients Between Static-Couple and Multi-Plane Methods on Two-Plane Balancing

John J. Yu

GT 2008; 1033-1045doi:https://doi.org/10.1115/GT2008-50463

Abstract

View Articletitled, Relationship of Influence Coefficients Between Static-Couple and Multi-Plane Methods on Two-Plane Balancing

PDF

Topics: Probes , Vibration

A Semi-Analytical Method for the Solution of Entrance Flow Effects in Inherently Restricted Aerostatic Bearings

Tobias Waumans, Farid Al-Bender, Dominiek Reynaerts

GT 2008; 1047-1057doi:https://doi.org/10.1115/GT2008-50499

Abstract

View Articletitled, A Semi-Analytical Method for the Solution of Entrance Flow Effects in Inherently Restricted Aerostatic Bearings

PDF

Topics: Bearings , Flow (Dynamics) , Pressure , Boundary layers , Channel flow , Design , Discharge coefficient , Laminar flow , Optimization , Separation (Technology)

Nonlinear Identification of Mechanical Parameters in a Squeeze Film Damper With Integral Mechanical Seal

Adolfo Delgado, Luis San Andre´s

GT 2008; 1059-1066doi:https://doi.org/10.1115/GT2008-50528

Abstract

View Articletitled, Nonlinear Identification of Mechanical Parameters in a Squeeze Film Damper With Integral Mechanical Seal

PDF

Topics: Dampers , Damping , Flow (Dynamics) , Lubricants , Dry friction , Inertia (Mechanics) , Gates (Closures) , Leakage , Nonlinear systems , Parameter estimation

Maps of Vibrational Symptoms of Bearing Misalignment Defects in Large Power Turboset

Jozef Rybczynski

GT 2008; 1067-1078doi:https://doi.org/10.1115/GT2008-50558

Abstract

View Articletitled, Maps of Vibrational Symptoms of Bearing Misalignment Defects in Large Power Turboset

PDF

Topics: Bearings , Vibration , Machinery , Displacement , Stress , Computer simulation , Computers , Machine components , Turbochargers

Effect of Side Feed Pressurization on the Dynamic Performance of Gas Foil Bearings: A Model Anchored to Test Data

Tae Ho Kim, Luis San Andre´s

GT 2008; 1079-1087doi:https://doi.org/10.1115/GT2008-50571

Abstract

View Articletitled, Effect of Side Feed Pressurization on the Dynamic Performance of Gas Foil Bearings: A Model Anchored to Test Data

PDF

Topics: Foil bearings

Nonlinear Numerical Prediction of Gas Foil Bearings Stability and Unbalanced Response

Se´bastien Le Lez, Mihai¨ Arghir, Jean Frene

GT 2008; 1089-1100doi:https://doi.org/10.1115/GT2008-50641

Abstract

View Articletitled, Nonlinear Numerical Prediction of Gas Foil Bearings Stability and Unbalanced Response

PDF

Topics: Foil bearings , Stability , Bearings , Dry friction , Deflection , Degrees of freedom , Differential equations , Energy dissipation , Friction , Gas bearings

A New Fluid Film Bearing Test Rig for Oil and Water Bearings

Tim Dimond, Robert D. Rockwell, Jr., Pradip N. Sheth, Paul E. Allaire

GT 2008; 1101-1110doi:https://doi.org/10.1115/GT2008-50654

Abstract

View Articletitled, A New Fluid Film Bearing Test Rig for Oil and Water Bearings

PDF

Topics: Bearings , Fluid films , Water , Lubricants , Actuators , Machinery , Pressure , Temperature , Damping , Design

Damping Ratio Estimation Techniques for Rotordynamic Stability Measurements

C. Hunter Cloud, Eric H. Maslen, Lloyd E. Barrett

GT 2008; 1111-1120doi:https://doi.org/10.1115/GT2008-50691

Abstract

View Articletitled, Damping Ratio Estimation Techniques for Rotordynamic Stability Measurements

PDF

Topics: Damping , Stability , Rotors , Bearings , Complex systems , Degrees of freedom

Ground-Based Vibration Response of a Spinning, Cyclic Symmetric Rotor With Gyroscopic and Centrifugal Softening Effects

I. Y. Shen, Hyunchul Kim

GT 2008; 1121-1130doi:https://doi.org/10.1115/GT2008-50727

Abstract

View Articletitled, Ground-Based Vibration Response of a Spinning, Cyclic Symmetric Rotor With Gyroscopic and Centrifugal Softening Effects

PDF

Topics: Rotors , Spin (Aerodynamics) , Vibration , Resonance , Mode shapes , Theoretical analysis , Disks , Excitation , Hammers , Laser Doppler vibrometers

Optimization Design of the Geared Rotor System With Critical Speed Constraints Using the Enhanced Genetic Algorithm

T. N. Shiau, C. H. Kang, D. S. Liu, E. K. Lee, W. C. Hsu

GT 2008; 1131-1136doi:https://doi.org/10.1115/GT2008-50754

Abstract

View Articletitled, Optimization Design of the Geared Rotor System With Critical Speed Constraints Using the Enhanced Genetic Algorithm

PDF

Topics: Design , Genetic algorithms , Optimization , Rotors

On the Use of Actively Controlled Auxiliary Bearings in Magnetic Bearing Systems

Iain S. Cade, M. Necip Sahinkaya, Clifford R. Burrows, Patrick S. Keogh

GT 2008; 1137-1147doi:https://doi.org/10.1115/GT2008-50831

Abstract

View Articletitled, On the Use of Actively Controlled Auxiliary Bearings in Magnetic Bearing Systems

PDF

Topics: Bearings , Magnetic bearings , Rotors , Control equipment , Design , Displacement , Errors , Heating , Optimization , Signals

Windback Floating Oil Seal Optimization Using CFD

Gocha Chochua, Joseph Tecza, Michael Lyons

GT 2008; 1149-1157doi:https://doi.org/10.1115/GT2008-50843

Abstract

View Articletitled, Windback Floating Oil Seal Optimization Using CFD

PDF

Topics: Computational fluid dynamics , Optimization , Leakage , Response surface methodology , Compressors , Design , Experimental design , Fluids , Rotation , Sealing (Process)

A New Frequency-Speed Diagram Weighted With Strength of Modes in Rotating Machinery

Yun-Ho Seo, Chong-Won Lee

GT 2008; 1159-1165doi:https://doi.org/10.1115/GT2008-50855

Abstract

View Articletitled, A New Frequency-Speed Diagram Weighted With Strength of Modes in Rotating Machinery

PDF

Topics: Anisotropy , Design , Excitation , Frequency response , Generators , Machinery , Manufacturing , Rotors

Research on Circumferential Fluid Pressure Distribution and Whirl Stability of Rotor-Bearing System

Ce Chen, JinFu Yang, ChaoQun Nie, Ying Cui, DaRen Yu, ShengBo Yang, Kun Yang, ZhongGuang Fu

GT 2008; 1167-1172doi:https://doi.org/10.1115/GT2008-50882

Abstract

View Articletitled, Research on Circumferential Fluid Pressure Distribution and Whirl Stability of Rotor-Bearing System

PDF

Topics: Bearings , Fluid pressure , Rotors , Stability , Whirls , Pressure , Stress , Wedges , Fluid films , Pumps

Rotordynamic Analysis of a Power Turbine Including Support Flexibility Effects

Oscar De Santiago, Edward Abraham

GT 2008; 1173-1181doi:https://doi.org/10.1115/GT2008-50900

Abstract

View Articletitled, Rotordynamic Analysis of a Power Turbine Including Support Flexibility Effects

PDF

Topics: Turbines , Finite element model , Rotors , Transfer functions , Bearings , Generators , Compressors , Design , Dynamic analysis , Dynamics (Mechanics)

Blade-Shaft Coupled Resonance Vibration by Using Active Magnetic Bearing Excitation

Norihisa Anegawa, Hiroyuki Fujiwara, Osami Matsushita

GT 2008; 1183-1190doi:https://doi.org/10.1115/GT2008-50904

Abstract

View Articletitled, Blade-Shaft Coupled Resonance Vibration by Using Active Magnetic Bearing Excitation

PDF

Topics: Blades , Excitation , Magnetic bearings , Resonance , Vibration , Design , Antiresonance , Bearings , Dynamics (Mechanics) , Power stations

Field Identification of Stiffness and Damping Characteristics of Fluid Film Bearings

Sameh H. Tawfick, Aly El-Shafei, M. O. A. Mokhtar

GT 2008; 1191-1201doi:https://doi.org/10.1115/GT2008-50909

Abstract

View Articletitled, Field Identification of Stiffness and Damping Characteristics of Fluid Film Bearings

PDF

Topics: Bearings , Damping , Fluid films , Stiffness , Vibration , Engineers , Journal bearings , Rotors , Uncertainty

High Temperature, Permanent Magnet Biased, Fault Tolerant, Homopolar Magnetic Bearing Development

Alan Palazzolo, Randall Tucker, Andrew Kenny, Kyung-Dae Kang, Varun Ghandi, Jinfang Liu, Heeju Choi, Andrew Provenza

GT 2008; 1203-1214doi:https://doi.org/10.1115/GT2008-50917

Abstract

View Articletitled, High Temperature, Permanent Magnet Biased, Fault Tolerant, Homopolar Magnetic Bearing Development

PDF

Topics: High temperature , Magnetic bearings , Permanent magnets , Construction , Bearings , Design methodology , Fault tolerance , Finite element analysis , Magnetic fields

Compliant Hybrid Journal Bearings Using Integral Wire Mesh Dampers

Bugra H. Ertas

GT 2008; 1215-1226doi:https://doi.org/10.1115/GT2008-50984

Abstract

View Articletitled, Compliant Hybrid Journal Bearings Using Integral Wire Mesh Dampers

PDF

Topics: Dampers , Journal bearings , Wire mesh , Bearings , Flow (Dynamics) , Fluids , Hydrostatics , Bearing design , Damping , Design

Evaluation of Impact Loads of Clutch Engaging Within Single Shaft Applications for Power Generation

Bernd Lu¨neburg, Meinolf Klocke, Stefan Kulig, Frank Joswig

GT 2008; 1227-1236doi:https://doi.org/10.1115/GT2008-51063

Abstract

View Articletitled, Evaluation of Impact Loads of Clutch Engaging Within Single Shaft Applications for Power Generation

PDF

Topics: Energy generation , Stress , Steam turbines , Gas turbines , Combined cycle power stations , Generators , Inertia (Mechanics) , Rotors , Trains , Compressors

Insights Into Discrepancies Between Results of Nonlinear and Linear Vibration Analyses of Rigid Rotors on Journal Bearings

Demetrio C. Zachariadis

GT 2008; 1237-1246doi:https://doi.org/10.1115/GT2008-51084

Abstract

View Articletitled, Insights Into Discrepancies Between Results of Nonlinear and Linear Vibration Analyses of Rigid Rotors on Journal Bearings

PDF

Topics: Journal bearings , Linear vibration , Rotors , Stress , Damping , Equilibrium (Physics) , Stiffness , Vibration

Torsional Vibration, in Rotordynamic System, Identified by Monitoring Gearbox Behaviour

Lorenzo Naldi, Roberto Biondi, Valerio Rossi

GT 2008; 1247-1256doi:https://doi.org/10.1115/GT2008-51086

Abstract

View Articletitled, Torsional Vibration, in Rotordynamic System, Identified by Monitoring Gearbox Behaviour

PDF

Topics: Mechanical drives , Vibration , Stress , Trains , Probes , Diffusion (Physics) , Energy generation , Excitation , Gears , Instrumentation

Condition Monitoring of Rotor Using Active Magnetic Actuator

Jerzy T. Sawicki, Michael I. Friswell, Alex H. Pesch, Adam Wroblewski

GT 2008; 1257-1265doi:https://doi.org/10.1115/GT2008-51169

Abstract

View Articletitled, Condition Monitoring of Rotor Using Active Magnetic Actuator

PDF

Topics: Actuators , Condition monitoring , Rotors , Excitation , Fracture (Materials) , Machinery , Resonance , Dynamic response , Flaw detection , Magnetic bearings

Hot Spots in Turboexpander Bearings: Case History, Stability Analysis, Measurements and Operational Experience

Joachim Schmied, Josef Pozivil, Joseph Walch

GT 2008; 1267-1277doi:https://doi.org/10.1115/GT2008-51179

Abstract

View Articletitled, Hot Spots in Turboexpander Bearings: Case History, Stability Analysis, Measurements and Operational Experience

PDF

Topics: Bearings , Stability , Vibration , Rotors , Fluid films , Turbochargers , Viscosity , American Petroleum Institute , Damping , Deflection

A Simple Approach to Determine Uncertainty Bounds on Bearing Rotordynamic Coefficients Identification

Luis Medina, Rafael Ruiz, Sergio Di´az

GT 2008; 1279-1287doi:https://doi.org/10.1115/GT2008-51200

Abstract

View Articletitled, A Simple Approach to Determine Uncertainty Bounds on Bearing Rotordynamic Coefficients Identification

PDF

Topics: Bearings , Uncertainty , Errors , Excitation , Noise (Sound) , Air bearings , Error analysis , Modeling , Numerical analysis , Robustness

Nonlinear Vibration Analysis of an Unbalanced Flexible Rotor Supported by Ball Bearings With Radial Internal Clearance

T. C. Gupta, K. Gupta, D. K. Sehgal

GT 2008; 1289-1298doi:https://doi.org/10.1115/GT2008-51204

Abstract

View Articletitled, Nonlinear Vibration Analysis of an Unbalanced Flexible Rotor Supported by Ball Bearings With Radial Internal Clearance

PDF

Topics: Ball bearings , Clearances (Engineering) , Nonlinear vibration , Rotors , Stiffness , Bearings , Damping , Deformation , Dynamic response , Finite element methods

Smart Turbomachines Using Active Magnetic Bearings

R. Larsonneur, P. Richard

GT 2008; 1299-1303doi:https://doi.org/10.1115/GT2008-51299

Abstract

View Articletitled, Smart Turbomachines Using Active Magnetic Bearings

PDF

Topics: Magnetic bearings , Turbomachinery , Instrumentation , Levitation , Machinery

Refinement of Physics Based Approach Used in the Prediction of Impeller Rotordynamic Forces for Centrifugal Compressors

J. Jeffrey Moore, David L. Ransom

GT 2008; 1305-1309doi:https://doi.org/10.1115/GT2008-51484

Abstract

View Articletitled, Refinement of Physics Based Approach Used in the Prediction of Impeller Rotordynamic Forces for Centrifugal Compressors

PDF

Topics: Compressors , Computational fluid dynamics , Impellers , Physics , Stability

Non-Deterministic Methods and Applications

Stochastic Crack Growth Analysis on Turbine Disk Based on FEM

Dianyin Hu, Rongqiao Wang

GT 2008; 1311-1317doi:https://doi.org/10.1115/GT2008-50154

Abstract

View Articletitled, Stochastic Crack Growth Analysis on Turbine Disk Based on FEM

PDF

Topics: Disks , Finite element methods , Fracture (Materials) , Reliability , Turbines

Probabilistic Analysis of Accelerated Life Tests for Thermal Barrier Coatings

Heinz Riesch-Oppermann, Patricia Hu¨lsmeier

GT 2008; 1319-1325doi:https://doi.org/10.1115/GT2008-50456

Abstract

View Articletitled, Probabilistic Analysis of Accelerated Life Tests for Thermal Barrier Coatings

PDF

Topics: Life testing , Thermal barrier coatings , Uncertainty , Temperature , Approximation , Carbon dioxide , Gas turbines , Operating temperature , Oxidation , Reliability

Estimating Critical Flaw Sizes in Welds of the New ARES I-X Space Vehicle for Its Successful Solo Flight Using Probabilistic Approaches

Shantaram S. Pai, Peter A. Hoge, B. M. Patel, Vinod K. Nagpal

GT 2008; 1327-1334doi:https://doi.org/10.1115/GT2008-50626

Abstract

View Articletitled, Estimating Critical Flaw Sizes in Welds of the New ARES I-X Space Vehicle for Its Successful Solo Flight Using Probabilistic Approaches

PDF

Topics: Flight , Space vehicles , Welded joints , Fracture (Materials) , Reliability , Stress , Finite element analysis , Plates (structures) , Porosity , Steel

Probabilistic Analysis on Turbine Disk Under LCF-Creep

Dianyin Hu, Rongqiao Wang

GT 2008; 1335-1340doi:https://doi.org/10.1115/GT2008-50722

Abstract

View Articletitled, Probabilistic Analysis on Turbine Disk Under LCF-Creep

PDF

Topics: Creep , Disks , Reliability , Response surface methodology , Simulation , Turbines

Nonlinear Stochastic Dynamics, Chaos and Reliability Analysis for Single Degree Freedom Model of a Rotor Blade

Pankaj Kumar, S. Narayanan

GT 2008; 1341-1350doi:https://doi.org/10.1115/GT2008-50736

Abstract

View Articletitled, Nonlinear Stochastic Dynamics, Chaos and Reliability Analysis for Single Degree Freedom Model of a Rotor Blade

PDF

Topics: Blades , Chaos , Dynamics (Mechanics) , Event history analysis , Path integrals , Reliability , Rotors , Excitation , Nonlinear systems , Transients (Dynamics)

Investigation in the Eccentricity of Spoke Centered Turbomachinery Components

Alexander K. Stumvoll, Hans-Peter Kau

GT 2008; 1351-1360doi:https://doi.org/10.1115/GT2008-51066

Abstract

View Articletitled, Investigation in the Eccentricity of Spoke Centered Turbomachinery Components

PDF

Topics: Clearances (Engineering) , Computer software , Decision making , Degrees of freedom , Design , Dimensions , Elongation , Gas turbines , Guide vanes , Machinery

Probabilistic Treatment of Aircraft Engine Usage

M. P. Enright, S. J. Hudak, R. C. McClung

GT 2008; 1361-1368doi:https://doi.org/10.1115/GT2008-51393

Abstract

View Articletitled, Probabilistic Treatment of Aircraft Engine Usage

PDF

Topics: Aircraft engines , Risk , Stress , Design , Flight , Fracture (Materials) , Fracture (Process) , Gas turbines , Information retrieval , Life extension

All Years

Proceedings Papers

Structures and Dynamics

General

Fatigue, Fracture and Life Prediction

Structural Mechanics and Vibration

Unsteady Aerodynamics (With Turbomachinery)

Rotordynamics and Magnetic Bearings

Non-Deterministic Methods and Applications

Email alerts

Most Read Proceedings Papers in GT

Journals

Conference Proceedings

eBooks