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

Topics: Petroleum , Stiffness , American Petroleum Institute , Machinery , Separation (Technology) , Bearings , Computer simulation , Design , Dynamics (Mechanics) , Risk

Lateral Equilibrium Position Analysis Program With Applications to Electric Submersible Pumps

Clay S. Norrbin, Dara W. Childs

GT 2017; V07BT33A003doi:https://doi.org/10.1115/GT2017-63459

Abstract

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Topics: Equilibrium (Physics) , Pumps , Submersibles , Gravity (Force) , Buoyancy , Fluids , Rotordynamics , Rotors , Seas , Stability

Dynamic Analysis of Flexible Rotor Systems Subjected to Time-Varying Base Excitations

Liqiang Chen, Jianjun Wang, Qinkai Han, Fulei Chu

GT 2017; V07BT33A004doi:https://doi.org/10.1115/GT2017-63926

Abstract

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Topics: Dynamic analysis , Excitation , Rotors , Rotation , Yaw , Computer simulation , Disks , Finite element methods , Resonance , Shapes

The Influences of Unbalance Mass, Mesh Density, and Bearing Clearance on Unbalance Response: Measurements and Analysis on a Rigid Rotor Supported by Hybrid Bump-Metal Mesh Foil Bearings

Xueyuan Zhao, Tao Zhang, Kai Feng

GT 2017; V07BT33A005doi:https://doi.org/10.1115/GT2017-64206

Abstract

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Topics: Bearings , Clearances (Engineering) , Density , Foil bearings , Metals , Rotors , Cooling , Damping , Impulse (Physics) , Stability

Investigation on the Excitation Characteristics and Dynamic Response of the Multi-Support Flexible Rotor With Misalignment

Sen Xiao, FaYong Wu, YanHong Ma, Jie Hong

GT 2017; V07BT33A006doi:https://doi.org/10.1115/GT2017-64353

Abstract

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Topics: Dynamic response , Excitation , Rotors , Stiffness , Bearings , Finite element methods , Rotation , Stress , Vibration

Structural Topology Optimization of Turbomachinery Components Using New Manufacturing Techniques and Innovative Materials

Enrico Boccini, Enrico Meli, Andrea Rindi, Simone Corbò, Stefano Falomi, Giuseppe Iurisci

GT 2017; V07BT33A007doi:https://doi.org/10.1115/GT2017-64369

Abstract

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Topics: Manufacturing , Optimization , Topology , Turbomachinery , Boundary-value problems , Design , Machinery , Rotordynamics , Rotors , Stators

Rotordynamic Energy Expressions for General Anisotropic Finite Element Systems

Manoj Settipalli, Venkatarao Ganji, Theodore Brockett

GT 2017; V07BT33A008doi:https://doi.org/10.1115/GT2017-64816

Abstract

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Topics: Anisotropy , Finite element analysis , Mode shapes , Bearings , Cycles , Damping , Degrees of freedom , Stiffness , Design , Displacement

Efficient Rotordynamic Analysis Using the Superelement Approach for an Aircraft Engine

Devesh Kumar, Konrad Juethner, Yves Fournier

GT 2017; V07BT33A009doi:https://doi.org/10.1115/GT2017-64954

Abstract

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Topics: Aircraft engines , Engines , Rotors , Shells , Computation , Crude oil , Dynamics (Mechanics) , Finite element analysis , Intellectual property , Manufacturing

Subsynchronous Vibration Patterns Under Reduced Oil Supply Flow Rates

B. R. Nichols, R. L. Fittro, C. P. Goyne

GT 2017; V07BT33A010doi:https://doi.org/10.1115/GT2017-65040

Abstract

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Topics: Flow (Dynamics) , Vibration , Bearings , Stress , Machinery , Rotors , Stability , Cavitation , Compressors , Damping

Structural Mechanics, Vibration and Damping

Vibration Response Analysis of Mistuned Bladed Disk With Under-Platform Damper: Effect of Variation of Contact Condition on Vibration Characteristics

Yasutomo Kaneko

GT 2017; V07BT35A001doi:https://doi.org/10.1115/GT2017-63027

Abstract

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Topics: Dampers , Disks , Vibration , Blades , Gas turbines , Damping , Deformation , Frequency response , Friction , Manufacturing

A Discussion on the Advancement of Blade Tip Timing Data Processing

Vsevolod Kharyton, Grigorios Dimitriadis, Colin Defise

GT 2017; V07BT35A002doi:https://doi.org/10.1115/GT2017-63138

Abstract

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Topics: Blades , Vibration , Compressors , Engines , Excitation , Fourier transforms , Gas turbines , Interpolation , Limit cycles , Optimization

Modal Analyses of an Axial Turbine Blisk With Intentional Mistuning

Bernd Beirow, Felix Figaschewsky, Arnold Kühhorn, Alfons Bornhorn

GT 2017; V07BT35A003doi:https://doi.org/10.1115/GT2017-63193

Abstract

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Topics: Modal analysis , Turbines , Damping , Diesel engines , Engineering prototypes , Engines , Excitation , Genetic algorithms , Mode shapes , Optimization

Asynchronous Response Analysis of Non-Contact Vibration Measurements on Compressor Rotor Blades

Christoph Krause, Thomas Giersch, Marco Stelldinger, Benjamin Hanschke, Arnold Kühhorn

GT 2017; V07BT35A004doi:https://doi.org/10.1115/GT2017-63200

Abstract

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Topics: Blades , Compressors , Rotors , Vibration measurement , Surges , Vibration , Damage , Oscillating frequencies , Probes , Strain gages

Mistuning and Damping Experiments at Design Speed Combined With Computational Tools

Kiran D’Souza, Mike Dunn, Bogdan I. Epureanu

GT 2017; V07BT35A005doi:https://doi.org/10.1115/GT2017-63287

Abstract

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Topics: Damping , Design , Hardware , Rotors , Air jets , Engines , Computation , Data acquisition systems , Data storage systems , NASA

The Influence of Mistuning and Coriolis Effects on the Modal Parameters of Bladed Discs: An Experimental Study

Valentina Ruffini, Jeffrey S. Green, Christoph W. Schwingshackl

GT 2017; V07BT35A006doi:https://doi.org/10.1115/GT2017-63437

Abstract

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Topics: Coriolis force , Disks , Mode shapes , Dynamics (Mechanics) , Experimental analysis , Finite element analysis , Reliability , Traveling waves

Towards Full 3D Numerical Simulation of Whirl Motions Stemming From Unilateral Contact Constraints in Aircraft Engines

Jérémy Paltrinieri, Florence Nyssen, Marie-Océane Parent, Alain Batailly

GT 2017; V07BT35A007doi:https://doi.org/10.1115/GT2017-63488

Abstract

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Topics: Aircraft engines , Computer simulation , Whirls , Finite element model , Disks , Dynamics (Mechanics) , Engines , Free vibrations , Modeling , Risk

One Exciter per Sector Test Bench for Bladed Wheels Harmonic Response Analysis

Leonardo Bertini, Paolo Neri, Ciro Santus, Alberto Guglielmo

GT 2017; V07BT35A008doi:https://doi.org/10.1115/GT2017-63628

Abstract

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Topics: Excitation systems , Wheels , Excitation , Accelerometers , Blades , Computer software , Damping , Mode shapes , Resonance , Stators

Non-Linear Modeling of Centrifugal Stiffening Effects for Accurate Bladed Component Reduced-Order Models

Elias Khalifeh, Elsa Piollet, Antoine Millecamps, Alain Batailly

GT 2017; V07BT35A009doi:https://doi.org/10.1115/GT2017-63629

Abstract

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Topics: Modeling , Blades , Clearances (Engineering) , Finite element model , Errors , Geometry , Polynomials , Stiffness , Accounting , Computation

Identification of Vibrational Resonances of Centrifugal Compressor and Radial Turbine Impellers Interacting With General Pressure Pulsations

Zhusan Luo, Mike Stanko, Carl Schwarz, Zhihong Annie Wang

GT 2017; V07BT35A010doi:https://doi.org/10.1115/GT2017-63702

Abstract

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Topics: Compressors , Impellers , Pressure , Resonance , Turbines , Excitation , Failure analysis , Inflow , Design , Physics

Nonlinear Vibration of a Saturated Water Journal Bearing and Bifurcation Analysis

Tadayoshi Shoyama

GT 2017; V07BT35A011doi:https://doi.org/10.1115/GT2017-63752

Abstract

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Topics: Bifurcation , Journal bearings , Nonlinear vibration , Water , Vibration , Bearings , Equations of motion , Rotors , Stiffness , Thrust

Multistage Blisk and Large Mistuning Modeling Using Fourier Constraint Modes and PRIME

Eric Kurstak, Kiran D’Souza

GT 2017; V07BT35A012doi:https://doi.org/10.1115/GT2017-63835

Abstract

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Topics: Computation , Degrees of freedom , Finite element analysis , Modeling , Turbomachinery

Combinatorial Optimization of Mistuned Blade Rearrangement Based on Reduced-Order FEA Model

Tianyuan Liu, Ding Guo, Di Zhang, Yonghui Xie

GT 2017; V07BT35A013doi:https://doi.org/10.1115/GT2017-63867

Abstract

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Topics: Blades , Finite element analysis , Optimization , Disks , Algorithms , Finite element model , Displacement , Computation , Computer simulation , Manufacturing

Blade Incipient Crack Determination for Centrifugal Compressor Based on CWT-Stochastic Resonance Method

Hongkun Li, Changbo He, Qiang Zhou, Fuan Lu

GT 2017; V07BT35A014doi:https://doi.org/10.1115/GT2017-63897

Abstract

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Topics: Blades , Compressors , Fracture (Materials) , Resonance , Signals , Feature extraction , Pressure , Failure , Compressor impellers , Flow (Dynamics)

Double Nodal Diameter Spectrum Method and its Application in Quantification of Vibration Localization of Impellers With Splitter Blades

Kaicheng Liu, Jianjun Wang

GT 2017; V07BT35A015doi:https://doi.org/10.1115/GT2017-63972

Abstract

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Topics: Blades , Impellers , Vibration , Engines , Excitation , Mode shapes , Traveling waves

Investigation on the Turbine Blade Tip Clearance Measurement and Active Clearance Control Based on Eddy Current Pulse-Trigger Method

Weimin Wang, Huajin Shao, Xing Shao, Kailiang Song

GT 2017; V07BT35A016doi:https://doi.org/10.1115/GT2017-63980

Abstract

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Topics: Clearances (Engineering) , Eddies (Fluid dynamics) , Eddy currents (Electricity) , Turbine blades , Displacement , Blades , Rotors , Pressure , Sensors , Stress

New Step to Improve the Accuracy of Blade Synchronous Vibration Parameters Identification Based on Combination of GARIV and LM Algorithm

Weimin Wang, Sanqun Ren, Shan Huang, Qihang Li, Kang Chen

GT 2017; V07BT35A017doi:https://doi.org/10.1115/GT2017-63986

Abstract

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Topics: Algorithms , Blades , Vibration , Displacement , Excitation , Fittings , Resonance , Sensors , Engines , Magnets

Nodal Diameter-Dependent Modal Damping Method for Nonlinear Blade Dynamics Prediction Considering Variable Rotational Speed

Torsten Heinze, Lars Panning-von Scheidt, Jörg Wallaschek, Andreas Hartung

GT 2017; V07BT35A018doi:https://doi.org/10.1115/GT2017-63999

Abstract

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Topics: Blades , Damping , Dynamics (Mechanics) , Degrees of freedom , Excitation , Disks , Equations of motion , Friction , Vibration analysis

Frequency-Domain Sensitivity Analysis of Stability of Nonlinear Vibrations for High-Fidelity Models of Jointed Structures

E. P. Petrov

GT 2017; V07BT35A019doi:https://doi.org/10.1115/GT2017-64023

Abstract

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Topics: Sensitivity analysis , Stability , Vibration , Design , Friction , Blades , Finite element model , Gas turbines , Structural elements (Construction)

Frequency Analysis Performed on Compressor Blades of Two Types of Gas Turbines Using Campbell and SAFE Diagrams

Saeed Bab, Mohsen Behzadi, Ahmad Ahmadi, Ali Ramesh, Ali Reza Shahrabi, Jalal Fathi Sola

GT 2017; V07BT35A020doi:https://doi.org/10.1115/GT2017-64108

Abstract

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Topics: Blades , Compressors , Gas turbines , Turbines , Disks , Airfoils , Design , Resonance , Dimensions , Excitation

Analysis of Micro-Slip Properties for Models of Bladed Disc Friction Joints

Junjie Chen, Chaoping Zang, Biao Zhou, E. P. Petrov

GT 2017; V07BT35A021doi:https://doi.org/10.1115/GT2017-64269

Abstract

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Topics: Disks , Friction , Damping , Blades , Geometry , Modeling , Stiffness , Three-dimensional models , Turbomachinery , Vibration

Thermomechanical Component Mode Synthesis for Blade Casing Interaction Prediction

Nicolas Guerin, Fabrice Thouverez, Claude Gibert, Mathias Legrand, Patricio Almeida

GT 2017; V07BT35A022doi:https://doi.org/10.1115/GT2017-64342

Abstract

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Topics: Blades , Thermomechanics , Engineering simulation , Friction , Simulation , Turbomachinery , Algorithms , Modeling , Clearances (Engineering) , Compressors

The Relevance of Damper Pre-Optimization and its Effectiveness on the Forced Response of Blades

Chiara Gastaldi, Teresa M. Berruti, Muzio M. Gola

GT 2017; V07BT35A023doi:https://doi.org/10.1115/GT2017-64402

Abstract

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Topics: Blades , Dampers , Optimization , Design , Damping , Shapes , Cycles , Equations of motion , Equilibrium (Physics) , Turbine blades

Interface Reduction in Craig-Bampton Component Mode Synthesis by Orthogonal Polynomial Series

Luigi Carassale, Mirko Maurici

GT 2017; V07BT35A024doi:https://doi.org/10.1115/GT2017-64583

Abstract

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Topics: Blades , Compressors , Degrees of freedom , Displacement , Geometry , Polynomials , Rotors

An Explicit-Implicit Time Integration Approach for Finite Element Evaluation of Engine Load Following an FBO Event

Yiliu Weng, Lipeng Zheng

GT 2017; V07BT35A025doi:https://doi.org/10.1115/GT2017-64636

Abstract

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Topics: Engines , Finite element analysis , Stress , Blades , Flight , Risk , Safety , Sensitivity analysis , Simulation , Steady state

Numerical and Experimental Comparison of Forced Response of Free-Standing and Single-Connected Last Stage Blades

Francesco Piraccini, Tim Rice, Jury Auciello, Alexey Evtushenko, Michael Mossom

GT 2017; V07BT35A026doi:https://doi.org/10.1115/GT2017-64653

Abstract

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Topics: Blades , Design , Excitation , Steam turbines , Architecture , Condensers (steam plant) , Engineering simulation , Finite element methods , Finite element model , Flow (Dynamics)

Reduced Order Modeling for Multi-Stage Bladed Disks With Friction Contacts at the Flange Joint

Giuseppe Battiato, Christian M. Firrone, Teresa M. Berruti, Bogdan I. Epureanu

GT 2017; V07BT35A027doi:https://doi.org/10.1115/GT2017-64814

Abstract

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Topics: Disks , Flanges , Friction , Modeling , Displacement , Engines , Aircraft , Blades , Bolted flanges , Damping

Academic Blade Geometries for Baseline Comparisons of Industry-Specific Forced Response Predictions

James H. Little, II, Jeffrey L. Kauffman, Matthias Huels

GT 2017; V07BT35A028doi:https://doi.org/10.1115/GT2017-64877

Abstract

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Topics: Blades , Dampers , Simulation , Vibration , Friction , Turbine blades , Turbomachinery , Contact dynamics , Damping , Design

An Experimental Investigation of the Dynamic of a Blade With Two Under-Platform Dampers

Daniele Botto, Muhammad Umer, Chiara Gastaldi, Muzio M. Gola

GT 2017; V07BT35A029doi:https://doi.org/10.1115/GT2017-64928

Abstract

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Topics: Blades , Dampers , Displacement , Dynamics (Mechanics) , Frequency response , Kinematics , Turbine blades , Uncertainty , Vibration

Resonance Frequency Detuning With Application Towards Blade Mistuning

Garrett K. Lopp, Jeffrey L. Kauffman

GT 2017; V07BT35A030doi:https://doi.org/10.1115/GT2017-64973

Abstract

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Topics: Blades , Resonance , Vibration , Damping , Excitation , Circuits , Statistical analysis , Stiffness , Turbomachinery

Aerodynamic Excitation and Damping

System Eigenvalue Identification of Mistuned Bladed Disks Using Least-Squares Complex Frequency-Domain Method

Yuan Huang, Grigorios Dimitriadis, Robert E. Kielb, Jing Li

GT 2017; V07BT36A001doi:https://doi.org/10.1115/GT2017-63008

Abstract

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Topics: Disks , Eigenvalues , Rotors , Compressors , Damping , Algorithms , Errors , Frequency response , Poles (Building) , Polynomials

Analysis of the Effect of Multi-Row and Multi-Passage Aerodynamic Interaction on the Forced Response Variation in a Compressor Configuration: Part 1 — Aerodynamic Excitation

Harald Schoenenborn

GT 2017; V07BT36A002doi:https://doi.org/10.1115/GT2017-63018

Abstract

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Topics: Compressors , Excitation , Blades , Airfoils , Annulus , Damping , Design , Flow (Dynamics) , Flutter (Aerodynamics) , Spin (Aerodynamics)

Analysis of the Effect of Multi-Row and Multi-Passage Aerodynamic Interaction on the Forced Response Variation in a Compressor Configuration: Part 2 — Effects of Additional Structural Mistuning

Johann Gross, Malte Krack, Harald Schoenenborn

GT 2017; V07BT36A003doi:https://doi.org/10.1115/GT2017-63019

Abstract

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Topics: Compressors , Blades , Disks , Acoustics , Design , Excitation , Finite element model , Mechanical properties , Rotation , Spin (Aerodynamics)

Numerical Investigation of the Effects of Part-Span Shrouds on Aerodynamic and Aeroelastic Characteristics of a Transonic Fan Rotor

Di Zhou, Zhiliang Lu, Tongqing Guo

GT 2017; V07BT36A004doi:https://doi.org/10.1115/GT2017-63162

Abstract

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Topics: Rotors , Blades , Computational fluid dynamics , Flow (Dynamics) , Stability , Computation , Computer simulation , Delays , Fluids , Modeling

Interaction of Concurrent Forced Response and Flutter Phenomena in a Compressor Stage

Zhiping Mao, Robert E. Kielb

GT 2017; V07BT36A005doi:https://doi.org/10.1115/GT2017-63376

Abstract

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Topics: Compressors , Flutter (Aerodynamics) , Blades , Pressure , Rotors , Vibration , Damping , Engineering simulation , Simulation , Computational fluid dynamics

Experimental and Numerical Investigation of Vibration Transmission Between Two Parallel Plate Partially Immersed in a Fluid

Sumathi Vasudevan, S. Jalaldeen, S. D. Sajish, P. Selvaraj, S. Murugan

GT 2017; V07BT36A006doi:https://doi.org/10.1115/GT2017-63391

Abstract

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Topics: Fluids , Vibration , Fluid structure interaction , Plates (structures) , Finite element methods , Damping , Displacement , Cantilevers , Containers , Excitation

Influence of Geometric Imperfections on Aerodynamic and Aeroelastic Behavior of a Compressor Blisk

Christian Keller, Andreas Kellersmann, Jens Friedrichs, Joerg R. Seume

GT 2017; V07BT36A007doi:https://doi.org/10.1115/GT2017-63556

Abstract

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Topics: Compressors , Maintenance , Blades , Airfoils , Geometry , High pressure (Physics) , Mode shapes , Shapes , Aerodynamics , Damping

Characterization of the Modal Characteristics of Structures Operating in Dense Liquid Turbopumps

Joseph Chiu, Andrew M. Brown

GT 2017; V07BT36A008doi:https://doi.org/10.1115/GT2017-63633

Abstract

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Topics: Blades , Boundary-value problems , Density , Design , Disks , Finite element model , Fluid density , Fluids , Mode shapes , NASA

Influence of Rotor Tip Blockage on Near Stall Blade Vibrations in an Axial Compressor Rig

Daniel Möller, Maximilian Jüngst, Heinz-Peter Schiffer, Thomas Giersch, Frank Heinichen

GT 2017; V07BT36A009doi:https://doi.org/10.1115/GT2017-63660

Abstract

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Topics: Blades , Compressors , Rotors , Vibration , Stability , Flow (Dynamics) , Fluctuations (Physics) , Rotation

Research on Aerodynamic Damping of Bladed Disk With Random Mistuning

Lin Li, Xiaoping Yu, Peiyi Wang

GT 2017; V07BT36A010doi:https://doi.org/10.1115/GT2017-63877

Abstract

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Topics: Damping , Disks , Stability , Traveling waves , Waves , Computer software , NASA , Statistical analysis

Influence of the Steady Deformation on Numerical Flutter Prediction for Highly Loaded and Flexible Fan Blades

Matthias Schuff, Timea Lengyel-Kampmann, Nicolai Forsthofer

GT 2017; V07BT36A011doi:https://doi.org/10.1115/GT2017-64027

Abstract

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Topics: Blades , Deformation , Flutter (Aerodynamics) , Deflection , Compressors , Computational fluid dynamics , Design , Steady state , Carbon reinforced plastics , Computation

On the Importance of Engine-Representative Models for Fan Flutter Predictions

Sina Stapelfeldt, Mehdi Vahdati

GT 2017; V07BT36A012doi:https://doi.org/10.1115/GT2017-64167

Abstract

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Topics: Engines , Flutter (Aerodynamics) , Blades , Computational fluid dynamics , Acoustics , Computation , Manufacturing , Damping , Design , Fans

Unsteady Pressure Measurement on Oscillating Blade in Transonic Flow Using Fast-Response Pressure-Sensitive Paint

Toshinori Watanabe, Toshihiko Azuma, Seiji Uzawa, Takehiro Himeno, Chihiro Inoue

GT 2017; V07BT36A013doi:https://doi.org/10.1115/GT2017-64211

Abstract

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Topics: Blades , Paints , Pressure , Pressure measurement , Transonic flow , Cascades (Fluid dynamics) , Aerodynamics , Fluid-dynamic forces , Flutter (Aerodynamics)

Computing Fluid Structure Interaction Coupling Time Spectral Method (TSM) and Harmonic Balance Method (HBM)

Aude Cadel, Ghislaine Ngo Boum, Fabrice Thouverez, Alain Dugeai, Marie-Océane Parent

GT 2017; V07BT36A014doi:https://doi.org/10.1115/GT2017-64260

Abstract

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Topics: Fluid structure interaction , Excitation , Fluids , Resolution (Optics) , Blades , Flow (Dynamics) , Steady state , Aerodynamics , Airfoils , Algebra

Aerodynamic Excitation Analysis of Radial Turbine Blades due to Unsteady Flow From Vaneless Turbine Housings

Stephan Netzhammer, Damian M. Vogt, Stephan Kraetschmer, Johannes Leweux, Andreas Koengeter

GT 2017; V07BT36A015doi:https://doi.org/10.1115/GT2017-64468

Abstract

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Topics: Excitation , Turbine blades , Unsteady flow , Vaneless turbines , Design , Turbines , Blades , High cycle fatigue , Resonance , Vibration

Influence of Detailing on Aerodynamic Forcing of a Transonic Axial Turbine Stage and Forced-Response Prediction for Low-Engine-Order (LEO) Excitation

Tobias R. Müller, Damian M. Vogt, Klemens Vogel, Bent A. Phillipsen, Peter Hönisch

GT 2017; V07BT36A016doi:https://doi.org/10.1115/GT2017-64502

Abstract

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Topics: Engines , Excitation , Turbines , Flow (Dynamics) , High cycle fatigue , Rotors , Boundary-value problems , Cavities , Computational fluid dynamics , Computer simulation

Research on Failure of Semi-Open Centrifugal Impeller Under Aerodynamic Load

Xudong Chen, Shengli Xu, Xiaofang Wang, Wenying Ju, Shuhua Yang, Jigang Meng

GT 2017; V07BT36A017doi:https://doi.org/10.1115/GT2017-64564

Abstract

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Topics: Failure , Impellers , Stress , Damping , Flow (Dynamics) , Blades , Compressors , Design , Fatigue damage , Resonance

Measurements of Radial Vortices, Spill Forward and Vortex Breakdown in a Transonic Compressor

Christoph Brandstetter, Maximilian Jüngst, Heinz-Peter Schiffer

GT 2017; V07BT36A018doi:https://doi.org/10.1115/GT2017-64576

Abstract

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Topics: Compressors , Vortices , Blades , Vibration , Instrumentation , Rotors , Aerodynamic flow , Flow (Dynamics) , Fluids , Pressure measurement

Analysis of a Turbine Bladed Disk With Structural and Aerodynamic Mistuning

Dimitri Franz, Loic Salles, Sina Stapelfeldt

GT 2017; V07BT36A019doi:https://doi.org/10.1115/GT2017-64586

Abstract

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Topics: Aerodynamics , Algorithms , Annulus , Blades , Computation , Disks , Eigenvalues , Fluid-dynamic forces , Flutter (Aerodynamics) , Manufacturing

Design and Analysis of an Intentional Mistuning Experiment Reducing Flutter Susceptibility and Minimizing Forced Response of a Jet Engine Fan

Felix Figaschewsky, Arnold Kühhorn, Bernd Beirow, Jens Nipkau, Thomas Giersch, Bronwyn Power

GT 2017; V07BT36A020doi:https://doi.org/10.1115/GT2017-64621

Abstract

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Topics: Design , Flutter (Aerodynamics) , Jet engines , Engines , Blades , Excitation , Fans , Vibration , Flow (Dynamics) , Rotors

Mistuned Higher-Order Mode Forced Response of an Embedded Compressor Rotor: Part I — Steady and Unsteady Aerodynamics

Jing Li, Nyansafo Aye-Addo, Nicholas Kormanik, III, Douglas Matthews, Nicole Key, Robert Kielb

GT 2017; V07BT36A021doi:https://doi.org/10.1115/GT2017-64633

Abstract

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Topics: Aerodynamics , Compressors , Rotors , Stators , Resonance , Engineering simulation , Impulse (Physics) , Industrial design , Leakage flows , Numerical analysis

Comparison of the Influence Coefficient Method and Travelling Wave Mode Approach for the Calculation of Aerodynamic Damping of Centrifugal Compressors and Axial Turbines

K. Vogel, A. D. Naidu, M. Fischer

GT 2017; V07BT36A022doi:https://doi.org/10.1115/GT2017-64643

Abstract

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Topics: Compressors , Damping , Traveling waves , Turbines , Engineering simulation , Simulation , Blades , Computation , Stress , Transients (Dynamics)

Mistuned Higher-Order Mode Forced Response of an Embedded Compressor Rotor: Part II — Mistuned Forced Response Prediction

Jing Li, Nyansafo Aye-Addo, Robert Kielb, Nicole Key

GT 2017; V07BT36A023doi:https://doi.org/10.1115/GT2017-64647

Abstract

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Topics: Compressors , Rotors , Blades , Coordinate measuring machines , Density , Measurement systems , Resonance , Sensitivity analysis , Stators , Stress

Forcing Superposition and Decomposition of an Embedded Compressor Rotor

Jing Li, Robert Kielb

GT 2017; V07BT36A024doi:https://doi.org/10.1115/GT2017-64657

Abstract

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Topics: Compressors , Rotors , Stators , Computational fluid dynamics , Approximation , Excitation

Numerical Examination of Lock-In Hypothesis of Non-Synchronous Vibration in an Axial Compressor

Jiaye Gan, Hong-Sik Im, Ge-Cheng Zha

GT 2017; V07BT36A025doi:https://doi.org/10.1115/GT2017-65244

Abstract

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Topics: Compressors , Locks (Waterways) , Vibration , Blades , Flow (Dynamics) , Excitation , Simulation , Structural response analysis , Annulus , Diffusion (Physics)

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