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Proceedings Papers

Proceedings Volume Cover
ASME Turbo Expo 2018: Turbomachinery Technical Conference and Exposition
June 11–15, 2018
Oslo, Norway
Conference Sponsors:
  • International Gas Turbine Institute
ISBN:
978-0-7918-5113-5
Volume 7A: Structures and Dynamics

Emerging Methods in Design and Engineering

Data Processing of Pulsation Signals of a Turbine Based on EMD and Teager Energy Operator
Fengli Wang, Hua Chen, Aiguo Gu, Wei Hu
GT 2018; V07AT30A001https://doi.org/10.1115/GT2018-75023
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Topics: Signals , Turbines , Blades , Engines , Noise (Sound) , Algorithms , Industrial research , Pressure , Resonance , Signal to noise ratio
Using Robust Design Methods for the Fir-Tree Optimization Problem
Boris Vasilyev, Anton Salnikov, Artem Semenov
GT 2018; V07AT30A002https://doi.org/10.1115/GT2018-75685
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Topics: Design methodology , Optimization , Stress , Design , Dimensions , Disks , Disperse systems , Electromagnetic scattering , High pressure (Physics) , Radiation scattering
Reduction of the Design Space to Optimize Blade Fir-Tree Attachments
F. Alinejad, D. Botto, M. Gola, A. Bessone
GT 2018; V07AT30A003https://doi.org/10.1115/GT2018-75781
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Topics: Blades , Design , Optimization , Stress , Disks , Engines , Finite element analysis , Genetic algorithms , Optimization algorithms , Pareto optimization
The Use of Additive Technologies to Create Lightweight Parts for Gas Turbine Engine Compressors
Liubov Magerramova, Michail Volkov, Maria Svinareva, Alex Siversky
GT 2018; V07AT30A004https://doi.org/10.1115/GT2018-75904
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Topics: Compressors , Gas turbines , Manufacturing , Stiffness , Stress , Weight (Mass) , Aircraft , Aircraft engines , Aviation , Blades
Evaluation Method of Uncertainty of Reliability Calculation for Turbine Disk Life
Jiang Fan, Gaoxiang Chen, Xiuli Shen, Tianyi Fan
GT 2018; V07AT30A005https://doi.org/10.1115/GT2018-76111
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Topics: Disks , Evaluation methods , Reliability , Turbines , Uncertainty , Engines , Errors , Low cycle fatigue , Probability , Safety
Twin-Web Turbine Discs: Part 1 — Design and Analysis of Their Efficiency
Boris Vasilyev, Anton Salnikov, Artem Semenov, Liubov Magerramova
GT 2018; V07AT30A006https://doi.org/10.1115/GT2018-76306
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Topics: Design , Disks , Turbines , Stress , Blades , Finite element model , Manufacturing technology , Optimization , Rotation
Twin-Web Turbine Discs: Part 2 — Fabrication and Processing
Boris Vasilyev, Liubov Magerramova, Anton Salnikov, Nikolay Tsykunov, Vladimir Isakov, Artem Semenov
GT 2018; V07AT30A007https://doi.org/10.1115/GT2018-76310
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Topics: Disks , Manufacturing , Turbines , Additive manufacturing , Cavities , Computerized tomography , Eddies (Fluid dynamics) , Eddy currents (Electricity) , Heat , Hot pressing
Towards Structural Topology Optimization of Rotor Blisks
Enrico Boccini, Enrico Meli, Andrea Rindi, Lorenzo Pinelli, Lorenzo Peruzzi, Andrea Arnone
GT 2018; V07AT30A008https://doi.org/10.1115/GT2018-76482
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Topics: Optimization , Rotors , Topology , Stators , Blades , Design , Geometry , Stress , Turbomachinery , Additive manufacturing
Towards the Structural Optimization of Bladed Components Featuring Contact Interfaces
Julien Lainé, Elsa Piollet, Alain Batailly
GT 2018; V07AT30A009https://doi.org/10.1115/GT2018-76552
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Topics: Structural optimization , Blades , Clearances (Engineering) , Design , Aircraft engines , Disks , Dynamics (Mechanics) , Engines , Free vibrations , Optimization
Investigation of Stress-Strain Behavior of a Component Under Variable Frequency Non-Proportional Loading
Yifeng Hu, Gang Chen, Weizhe Wang
GT 2018; V07AT30A010https://doi.org/10.1115/GT2018-76768
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Topics: Stress , Torsion , Cycles , Tension , Cylinders , Hardening
Rapid Visualization of Compressor Blade Finite Element Models Using Surrogate Modeling
Spencer Bunnell, Christopher Thelin, Steven Gorrell, John Salmon, Christopher Ruoti, Ammon Hepworth
GT 2018; V07AT30A011https://doi.org/10.1115/GT2018-77188
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Topics: Blades , Compressors , Finite element model , Modeling , Visualization , Design , Stress , Errors , Finite element analysis , Structural design

Fatigue, Fracture, and Life Prediction

Fretting Fatigue and Wear of Ti-6Al-4V With HVOF Sprayed Stellite Coating on Contact Surfaces of Shrouds and Stubs of Turbine Blades
Kunio Asai, Shuichi Ishizawa, Nobuhiro Isobe
GT 2018; V07AT31A001https://doi.org/10.1115/GT2018-75282
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Topics: Coating processes , Coatings , Fatigue , Turbine blades , Wear , Fracture (Materials) , Fatigue strength , Friction , Microcracks , Crack propagation
Some Recent Advances in Engineering Fracture Modeling for Turbomachinery
R. Craig McClung, Yi-Der Lee, James C. Sobotka, Jonathan P. Moody, Vikram Bhamidipati, Michael P. Enright, D. Benjamin Guseman, Colin B. Thomas
GT 2018; V07AT31A002https://doi.org/10.1115/GT2018-75400
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Topics: Fracture (Materials) , Modeling , Turbomachinery , Stress , Corners (Structural elements) , Displacement , Fatigue cracks , Finite element model , Weight (Mass)
Structural Integrity Assessment of ORC Turbine Tie-Rods: An Analysis Based on Elastic Shakedown and Fracture Mechanics
S. Rabbolini, M. Sanvito, A. Lo Conte, S. Beretta, D. Rizzi
GT 2018; V07AT31A003https://doi.org/10.1115/GT2018-75716
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Topics: Fracture mechanics , Organic Rankine cycle , Tie rods , Turbines , Stress , Fracture (Materials) , Cycles , Fatigue , Thread , Crack propagation
Some Aspects of Operated Blades HCF Analysis: Rejuvenation and Life Estimation
Sergey A. Ivanov, Maxim G. Guralnik, Alexander I. Rybnikov
GT 2018; V07AT31A004https://doi.org/10.1115/GT2018-75731
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Topics: Blades , High cycle fatigue , Turbine blades , Shot peening , Turbines , Alloys , Coatings , Endurance limit , Failure , Heat treating (Metalworking)
Failure Assessment of Test Coupons: Comparison Between Model Predictions and Test Results
Sushovan Roychowdhury, Tomas Månsson, Thomas Hansson
GT 2018; V07AT31A005https://doi.org/10.1115/GT2018-75734
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Topics: Failure , Stress , Surface cracks , Alloys , Aviation , Engines , Finite element analysis , Geometry , Nickel , Temperature
Characterizing the Influence of Cyclic Re-Priming on the Prediction of Long Term Creep Damage for Gas Turbine Components
Richard Green, Jonathan Douglas, Andrew Moffat, Richard Bellows
GT 2018; V07AT31A006https://doi.org/10.1115/GT2018-75813
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Topics: Creep , Damage , Gas turbines , Cycles , Stress , Engines , Alloys , Chemistry , Crystals , Fatigue
A Mean Stress Correction to a Ductility Exhaustion Approach for Gas Turbine Component Life Assessment
Richard Green, Jonathan Douglas, Andrew Moffat, Christopher Meyer
GT 2018; V07AT31A007https://doi.org/10.1115/GT2018-75838
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Topics: Ductility , Gas turbines , Stress , Damage , Creep , Engines , Fatigue , Cycles , Downtime , High temperature
Improved Low Cycle Fatigue Analysis for Ni-Based Turbine Nozzles
Gianluca Maggiani, Matthew J. Roy, Simone Colantoni, Philip J. Withers
GT 2018; V07AT31A008https://doi.org/10.1115/GT2018-75974
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Topics: Low cycle fatigue , Nozzles , Turbines , Alloys , Cooling , Firing , Temperature , Thermomechanics , Accounting , Computation
Investigation on Creep Characteristic of Nickel-Base Single Crystal Alloy Double Wall Cooling Specimen
Lei Li, Huan Wan, Wenjing Gao, Fujuan Tong, Shouyi Sun
GT 2018; V07AT31A009https://doi.org/10.1115/GT2018-76285
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Topics: Alloys , Cooling , Creep , Crystals , Nickel , Stress , Temperature , Aircraft engines , Blades , Cavitation
Durability Assessment of Additive Manufactured Compressor Disk Considering Material Defects Distribution
Jier Wang, Dianyin Hu, Long Zhang, Xi Liu, Rongqiao Wang
GT 2018; V07AT31A010https://doi.org/10.1115/GT2018-76465
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Topics: Additive manufacturing , Compressors , Disks , Durability , Fatigue cracks , Fatigue life , Fatigue limit , Titanium , Aircraft engines , Alloys
Novel Test Facility for Investigation of the Impact of Thermally Induced Stress Gradients on Fatigue Life of Cooled Gas Turbine Components
Marcus Thiele, Uwe Gampe, Kathrin A. Fischer
GT 2018; V07AT31A011https://doi.org/10.1115/GT2018-76519
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Topics: Fatigue life , Gas turbines , Stress , Test facilities , Low cycle fatigue , Temperature , Flux (Metallurgy) , Heat , Service life (Equipment) , Temperature gradient
Incremental Modeling of Rotor Lifetime Consumption During Gas Turbine Operation
M. Sistaninia, T. Winge, D. Ugel
GT 2018; V07AT31A012https://doi.org/10.1115/GT2018-76549
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Topics: Gas turbines , Modeling , Rotors , Temperature , Creep , Elongation , Fatigue life , Metals , Fatigue , Inspection
Blade Fissure Determination by Means of Blade Tip-Timing System
Victor Mileshin, Victor Fateev, Alexander Stepanov
GT 2018; V07AT31A013https://doi.org/10.1115/GT2018-76848
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Topics: Blades , Rotors , Failure , Machinery , Aircraft engines , Compressors , Turbochargers , Vibration , Damage , Emergencies
A Reduced Order Constitutive Modeling Approach for a Material Subjected to Combined Cycle Fatigue
Ali P. Gordon, Thomas Bouchenot
GT 2018; V07AT31A014https://doi.org/10.1115/GT2018-76903
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Topics: Combined cycles , Fatigue , Modeling , High temperature , Alloys , Approximation , Combustion , Constitutive equations , Creep , Design
Extending the Life of F-Class Gas Turbine Rotors
Scott Keller, David Day
GT 2018; V07AT31A015https://doi.org/10.1115/GT2018-76925
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Topics: Gas turbines , Rotors , Inspection , Compressors , Maintenance , Turbines , Failure mechanisms , Forging , Fracture (Materials) , Modeling
LCF Initiated - HCF Propagated Crack Life Estimation of Gas Turbine Bolts
Amit K. Paspulati, Krishna Veluru, Kashinath Akki, Rohit Khattar, Sudeep Bosu, Santosh Narasimhachary
GT 2018; V07AT31A016https://doi.org/10.1115/GT2018-76968
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Topics: Fracture (Materials) , Gas turbines , High cycle fatigue , Crack propagation , Rotors , Low cycle fatigue , Compressors , Engines , Fatigue , Gravity (Force)
Measurement of Hysteresis Energy Using Digital Image Correlation With Application to Energy Based Fatigue Life Prediction
Dino Celli, M.-H. Herman Shen, Casey Holycross, Onome Scott-Emuakpor, Tommy George
GT 2018; V07AT31A017https://doi.org/10.1115/GT2018-76973
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Topics: Fatigue life , Fatigue , Energy dissipation , High cycle fatigue , Aluminum , Damage , Damage assessment , Experimental characterization , Fatigue damage , Gas turbines
Temperature Dependence of Crack Growth Under LCF for Different Alloys
S. Rabbolini, S. Foletti, S. Beretta
GT 2018; V07AT31A018https://doi.org/10.1115/GT2018-77059
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Topics: Alloys , Fracture (Materials) , Temperature effects , High temperature , Crack propagation , Cycles , Fatigue cracks , Low cycle fatigue , Stress , Superalloys
The Influence of Thermal Transient Rates on Coated Turbine Parts Life Expectancy
Alexander Staroselsky, Thomas J. Martin, Luke Borkowski
GT 2018; V07AT31A019https://doi.org/10.1115/GT2018-77283
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Topics: Transients (Dynamics) , Turbine components , Turbines , Airfoils , Coating processes , Coatings , Deformation , Engines , Heating and cooling , Modeling

Probabilistic Methods

On the Transferability of Probabilistic Fracture Mechanics Results for Scaled 50Hz and 60Hz Heavy Duty Gas Turbine Rotor Disks
Christian Amann, Kai Kadau, Peter Gumbsch
GT 2018; V07AT32A001https://doi.org/10.1115/GT2018-75561
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Topics: Disks , Fracture mechanics , Gas turbines , Rotors , Design , Engines , Centrifugal force , Dimensions , Failure , Product development
Approximate Solution of the Fokker-Planck Equation for a Multi-Degree of Freedom Frictionally Damped Bladed Disk Under Random Excitation
Alwin Förster, Lars Panning-von Scheidt, Jörg Wallaschek
GT 2018; V07AT32A002https://doi.org/10.1115/GT2018-75755
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Topics: Disks , Fokker-Planck equation , Random excitation , Excitation , Density , Finite element methods , Air flow , Blades , Computation , Degrees of freedom
Adjoint Method to Calculate the Shape Gradients of Failure Probabilities for Turbomachinery Components
Hanno Gottschalk, Mohamed Saadi, Onur Tanil Doganay, Kathrin Klamroth, Sebastian Schmitz
GT 2018; V07AT32A003https://doi.org/10.1115/GT2018-75759
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Topics: Failure , Probability , Shapes , Turbomachinery , Finite element analysis , Computation , Optimization , Boundary-value problems , Fluids , Geometry
Probabilistic Design of Radial Pins Constraint System in a Gas Turbine Annular Combustion Chamber
Federico Funghi, Paolo di Sisto
GT 2018; V07AT32A004https://doi.org/10.1115/GT2018-75763
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Topics: Combustion chambers , Constraint systems , Design , Gas turbines , Pins (Engineering) , Domes (Structural elements) , Stiffness , Stress , Computer simulation , Deformation
Using Statistical Calibration for Model Verification and Validation, Diagnosis of Model Inadequacy, and Improving Simulation Accuracy
Kevin OFlaherty, Zachary Graves, Lie Xiong, Mark Andrews
GT 2018; V07AT32A005https://doi.org/10.1115/GT2018-75807
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Topics: Calibration , Simulation , Design , Errors , Fatigue , Manufacturing , Materials properties , Model validation , Optimization , Random noise
Application of Surrogate Models and Probabilistic Design Methodology to Assess Creep Growth Limit of an Uncooled Turbine Blade
Armin Hadadian, Sairam Prabhakar, Bjorn Sjodin, Keith Taylor
GT 2018; V07AT32A006https://doi.org/10.1115/GT2018-75854
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Topics: Creep , Design methodology , Turbine blades , Engines , Model development , Errors , Failure , Finite element analysis , Gas turbines , Machine learning
Probabilistic TMF Life Evaluation of a Single Crystal Turbine Blade Concerning Uncertainty Quantification
Xi Liu, Dianyin Hu, Bin Zhang, Rongqiao Wang
GT 2018; V07AT32A007https://doi.org/10.1115/GT2018-75927
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Topics: Crystals , Turbine blades , Uncertainty quantification , Damage , Constitutive equations , Design , Errors , Finite element methods , Nickel , Reliability
Treating Uncertainties to Generate a Robust Design of Gas Turbine Disk Using L Moments and Scarce Samples Including Outliers
Deepan Jayaraman, Palaniappan Ramu, Suhas Karkada Suresh, Vinay Ramanath
GT 2018; V07AT32A008https://doi.org/10.1115/GT2018-76431
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Topics: Design , Disks , Gas turbines , Uncertainty , Experimental design , Errors , Turbines
Reliability Analysis on a Turbine Disk Considering the Coupling of Multiple Failure Modes
Dianyin Hu, Ying Shi, Xi Liu, Rongqiao Wang
GT 2018; V07AT32A009https://doi.org/10.1115/GT2018-76477
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Topics: Disks , Event history analysis , Failure mechanisms , Turbines , Failure , Creep , Design methodology , Engines , Fatigue , Geometry
Surrogate Modeling of Manufacturing Variation Effects on Unsteady Interactions in a Transonic Turbine
Jeffrey M. Brown, Joseph Beck, Alexander Kaszynski, John Clark
GT 2018; V07AT32A010https://doi.org/10.1115/GT2018-76609
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Topics: Manufacturing , Modeling , Turbines , Computational fluid dynamics , Blades , Airfoils , Geometry , Algorithms , Design , Flow (Dynamics)
Active Subspace Development of Integrally Bladed Disk Dynamic Properties due to Manufacturing Variations
Joseph A. Beck, Jeffrey M. Brown, Alex A. Kaszynski, Emily B. Carper
GT 2018; V07AT32A011https://doi.org/10.1115/GT2018-76800
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Topics: Disks , Manufacturing , Eigenvalues , Dynamic light scattering , Geometry , Blades , Optical scanners , Principal component analysis
A Gaussian Process Modeling Approach for Fast Robust Design With Uncertain Inputs
Kevin M. Ryan, Jesper Kristensen, You Ling, Sayan Ghosh, Isaac Asher, Liping Wang
GT 2018; V07AT32A012https://doi.org/10.1115/GT2018-77007
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Topics: Design , Modeling , Optimization , Uncertainty , Aircraft , Control equipment , Engineering design , Flight , Manufacturing , Optimization algorithms
Influences of Non-Destructive Inspection Simulation on Fracture Risk Assessment of Additively Manufactured Turbine Engine Components
Michael P. Enright, R. Craig McClung, James C. Sobotka, Jonathan P. Moody, John McFarland, Yi-Der Lee, Irving Gray, Joe Gray
GT 2018; V07AT32A013https://doi.org/10.1115/GT2018-77058
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Topics: Additive manufacturing , Fracture (Materials) , Gas turbines , Nondestructive evaluation , Risk assessment , Simulation , Inspection , Computer software , Damage , Failure

Rotordynamics

Unconventional Techniques for the Analysis of Experimental Spiral Vibrations
Andrea Vania, Paolo Pennacchi, Steven Chatterton, Filippo Cangioli
GT 2018; V07AT33A001https://doi.org/10.1115/GT2018-75005
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Topics: Vibration , Friction , Rotors , Damage , Machinery , Modeling , Stability , Stators , Steam turbines , Uncertainty
Numerical Modeling of Thermally-Induced Vibration in Rotor Caused by Light-Rub Against Brush Seal
Filippo Cangioli, Paolo Pennacchi, Andrea Vania, Steven Chatterton
GT 2018; V07AT33A002https://doi.org/10.1115/GT2018-75042
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Topics: Computer simulation , Rotors , Vibration , Clearances (Engineering) , Leakage , Turbomachinery , Design , Friction , Machinery , Dynamics (Mechanics)
A Simple Contact Model for Simulating Tie Bolt Rotor Butt Joints With and Without Pilot Fits
Aaron M. Rimpel
GT 2018; V07AT33A003https://doi.org/10.1115/GT2018-75101
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Topics: Rotors , Tie rods , Stiffness , Finite element analysis , Simulation , Design , Dimensions , Elastic moduli , Pressure , Risk
Rotor System Mathematical Model Substructure-Based Reduction and Updating Using Experimental Modal Analysis
Sergey Semenov, Mikhail Nikhamkin, Nikolai Sazhenkov
GT 2018; V07AT33A004https://doi.org/10.1115/GT2018-75144
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Topics: Modal analysis , Rotors , Rotordynamics , Bearings , Blades , Couplings , Design , Disks , Fans , Gas turbines
Effectiveness Testing of an Inverse Method for Balancing Nonlinear Rotordynamic Systems
Sergio G. Torres Cedillo, Philip Bonello, Ghaith Ghanim Al-Ghazal, Jacinto Cortés Pérez, Alberto Reyes Solis
GT 2018; V07AT33A005https://doi.org/10.1115/GT2018-75145
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Topics: Aircraft engines , Bearings , Dampers , Inverse problems , Noise (Sound) , Rotors , Sensors , Springs , Testing , Vibration
Steady-State Characteristics of a Dual-Rotor System With Intershaft Bearing Subjected to Mass Unbalance and Base Motions
Xi Chen, Mingfu Liao
GT 2018; V07AT33A006https://doi.org/10.1115/GT2018-75215
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Topics: Bearings , Rotors , Steady state , Rotation , Accuracy and precision , Equations of motion , Excitation , Frequency response , Inertia (Mechanics) , Mode shapes
Transient Characteristics of a Dual-Rotor System With Intershaft Bearing Subjected to Mass Unbalance and Base Motions During Start-Up
Xi Chen, Mingfu Liao
GT 2018; V07AT33A007https://doi.org/10.1115/GT2018-75227
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Topics: Bearings , Rotors , Transients (Dynamics) , Rotation , Design , Equations of motion , Resonance , Rotational inertia , Shear deformation , Stiffness
Coupled Analysis of the Rotor-Dynamic Fluid Forces in the Annular Plain Seal and the Shaft Vibration
K. Miyake, A. Ikemoto, M. Uchiumi, T. Inoue
GT 2018; V07AT33A008https://doi.org/10.1115/GT2018-75271
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Topics: Fluids , Rotors , Vibration , Flow (Dynamics) , Machinery , Pressure , Anisotropy , Poisson equation , Stability , Stiffness
A Simple (1-Flexible Rotor) Model That Shows Bull Gear Runout As a Source of Subsynchronous, Lateral, Vibration in Integrally Geared Compressor (IGC) Pinions
Dara Childs, Andrew Crandall
GT 2018; V07AT33A009https://doi.org/10.1115/GT2018-75326
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Topics: Compressors , Gears , Rotors , Vibration , Stiffness , Bearings , Compressor impellers , Damping , Disks , Excitation
A Sobol' Sequence Parametric Analysis of Rotor Thermal Bow in Gas Turbines
Evan O. Smith, Jouke H. S. de Baar, Andrew J. Neely
GT 2018; V07AT33A010https://doi.org/10.1115/GT2018-75347
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Topics: Gas turbines , Rotors , Compressors , Engines , Stiffness , Temperature gradient , Wall thickness , Annulus , Cavities , Clearances (Engineering)
Investigation of Flow-Induced Radial Force and its Influence on Rotor Dynamics for a Cryogenic Liquid Turbine Expander
Ningbo Yuan, Jinju Sun, Peng Song, Changjiang Huo, Shan Sun
GT 2018; V07AT33A011https://doi.org/10.1115/GT2018-75443
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Topics: Flow (Dynamics) , Rotordynamics , Turbines , Design , Rotors , Impellers , Diffusers , Ducts , Finite element methods , FORTRAN
An Efficient Approach for the Frequency Analysis of Non-Axisymmetric Rotating Structures: Application to a Coupled Bladed Bi-Rotor System
Cécile Dumartineix, Benjamin Chouvion, Fabrice Thouverez, Marie-Océane Parent
GT 2018; V07AT33A012https://doi.org/10.1115/GT2018-75461
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Topics: Rotors , Blades , Disks , Equations of motion , Finite element model , Bearings , Design , Engines , Resolution (Optics) , Simulation
Effect of a Planetary Gearbox on the Dynamics of a Rotor System
Ali Tatar, Christoph W. Schwingshackl
GT 2018; V07AT33A013https://doi.org/10.1115/GT2018-75479
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Topics: Dynamics (Mechanics) , Mechanical drives , Rotors , Stiffness , Gears , Damping , Deflection , Disks , Mode shapes , Bearings
Study on Subsynchronous Vibration With Tilting Pad Journal Bearing Under Starved Lubrication
Rimpei Kawashita, Tadasuke Nishioka, Shimpei Yokoyama, Makoto Iwasaki, Shuichi Isayama, Yuichiro Waki
GT 2018; V07AT33A014https://doi.org/10.1115/GT2018-75607
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Topics: Journal bearings , Lubrication , Vibration , Bearings , Rotors , Damping , Flow (Dynamics) , Clearances (Engineering) , Excitation , Machinery
Investigation of Fan Blades Vibration due to Blade/Casing Rubbing Interactions Using In-Plane Two-Dimensional Model
Jiaguangyi Xiao, Yong Chen, Hua Ouyang, Anjenq Wang
GT 2018; V07AT33A015https://doi.org/10.1115/GT2018-75639
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Topics: Blades , Vibration , Disks , Engines , Damage , Damping , Rotor vibration , Structural design , Traveling waves , Turbofans
Improved Empirical Identification of the Inverse Model of a Squeeze-Film Damper Bearing Based on a Recurrent Neural Network
Ghaith Ghanim Al-Ghazal, Philip Bonello, Sergio G. Torres Cedillo
GT 2018; V07AT33A016https://doi.org/10.1115/GT2018-75777
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Topics: Artificial neural networks , Bearings , Dampers , Aircraft engines , Rotors , Vibration , Displacement , Excitation , Instrumentation , Inverse problems
Investigation on the Modal Characteristics of the Rubbing Rotor System With Additional Constraint
Jie Hong, Pingchao Yu, Dayi Zhang, Yanhong Ma, Jixing Liu
GT 2018; V07AT33A017https://doi.org/10.1115/GT2018-75933
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Topics: Rotors , Whirls , Damping , Stiffness , Collisions (Physics) , Friction , Stress
A Simplified and Efficient Analysis of Morton Effect
Lili Gu
GT 2018; V07AT33A018https://doi.org/10.1115/GT2018-75948
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Topics: Bearings , Die cutting , Dynamic models , Fluid films , Fluids , Heating , Machinery , Modeling , Rotors , Shearing (Deformation)
Evaluation of Friction Models for Rotor-Rubbing Predictions
Juan C. Jauregui, Jorge A. Saenz, Claudia A. Gonzalez
GT 2018; V07AT33A019https://doi.org/10.1115/GT2018-76017
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Topics: Friction , Rotors , Damage , Fourier series , Modeling , Stiffness , Turbomachinery , Wavelet transforms
Safety Design Methods for Rotor-Bearing System and Dynamic Analysis in Aero-Engines
Jie Hong, Tianrang Li, Zhichao Liang, Dayi Zhang, Yanhong Ma, Yongfeng Wang
GT 2018; V07AT33A020https://doi.org/10.1115/GT2018-76065
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Topics: Aircraft engines , Bearings , Design methodology , Dynamic analysis , Rotors , Safety , Stiffness , Vibration , Design , Transients (Dynamics)
Extensive Experimental Study on the Stability of Rotor System With Spline Coupling
Zezeng Dai, Jianping Jing, Changmin Chen, Jiqing Cong
GT 2018; V07AT33A021https://doi.org/10.1115/GT2018-76262
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Topics: Rotors , Splines , Stability , Damping , Errors , Lubrication , Vibration , Stress , Torque , Couplings
Dynamic Model Development and Analysis of Multiple Rotors Coupled With Thrust Collars
Kyungdae Kang
GT 2018; V07AT33A022https://doi.org/10.1115/GT2018-76392
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Topics: Dynamic models , Rotors , Thrust , Vibration , Finite element model , Compressors , Design , Frequency response , Gear teeth , Gears
A Modal Based Approach for the Lateral Dynamic Analysis of Rotating Shafts Supported by Elastic Substructures
Flavio Quattrone, Benjamin Dugone
GT 2018; V07AT33A023https://doi.org/10.1115/GT2018-76481
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Topics: Bearings , Computer simulation , Damping , Dynamic analysis , Dynamics (Mechanics) , Equations of motion , Gas turbines , Machinery , Modeling , Rotors
Rotordynamics Experimental Validation of a Sliding-Blade Architecture for an Inside-Out Ceramic Turbine
C. Landry, B. Picard, T. Parent-Simard, J.-S. Plante, M. Picard
GT 2018; V07AT33A024https://doi.org/10.1115/GT2018-76698
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Topics: Blades , Ceramics , Rotordynamics , Turbines , Springs , Rotors , Displacement , Engineering prototypes , Carbon , Composite materials
The Dynamic Load of Inter-Shaft Bearing and its Transmission Characteristic of Complex Rotor System
Huan Yu, Bo Sun, YanHong Ma, Jie Hong
GT 2018; V07AT33A025https://doi.org/10.1115/GT2018-76746
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Topics: Bearings , Rotors , Stress , Deformation , Dynamic models , Rotor vibration , Aircraft engines , Damping , Design , Resonance
Analysis of Rotordynamic and Thermodynamic Performance of a Multistage Centrifugal Compressor Operating in the Minimum Flow Region
Marco Giachi, Giuseppe Vannini, Pier Luigi Di Pillo
GT 2018; V07AT33A026https://doi.org/10.1115/GT2018-76847
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Topics: Compressors , Flow (Dynamics) , Machinery , Engineering design processes , Vibration
Application of Simplified Parametric Model to Estimate Fan Blade-Out Response
Theodore S. Brockett, Jerzy T. Sawicki
GT 2018; V07AT33A027https://doi.org/10.1115/GT2018-77108
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Topics: Blades , Engines , Strips , Whirls , Machining , Pressure , Degrees of freedom , Dynamic response , Friction , Momentum
An Investigation on the Static Performance of the Non-Circular Journal Bearing Using Fourier Analysis
Jiale Tian, Baisong Yang, Lie Yu, Jian Zhou
GT 2018; V07AT33A028https://doi.org/10.1115/GT2018-77210
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Topics: Fourier analysis , Journal bearings , Bearings , Rotors , Design , Film thickness , Fourier series , Pressure , Stress , Bearing design
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