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Proceedings Papers

Proceedings Volume Cover
ASME Turbo Expo 2017: Turbomachinery Technical Conference and Exposition
June 26–30, 2017
Charlotte, North Carolina, USA
Conference Sponsors:
  • International Gas Turbine Institute
ISBN:
978-0-7918-5093-0
Volume 7B: Structures and Dynamics

Rotordynamics

Prediction of Structural Supports Influence on Rotating Machinery Dynamics
Leonid Moroz, Leonid Romanenko, Roman Kochurov, Evgen Kashtanov
GT 2017; V07BT33A001https://doi.org/10.1115/GT2017-63035
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Topics: Algorithms , Ball bearings , Bearings , Damage , Damping , Design , Dynamics (Mechanics) , Finite element model , Geometry , Machine dynamics
Investigation of the American Petroleum Institute’s Support Stiffness Ratio Specification
David J. Griffin, Roger L. Fittro, Robert D. Rockwell, Christopher P. Goyne
GT 2017; V07BT33A002https://doi.org/10.1115/GT2017-63142
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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; V07BT33A003https://doi.org/10.1115/GT2017-63459
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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; V07BT33A004https://doi.org/10.1115/GT2017-63926
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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; V07BT33A005https://doi.org/10.1115/GT2017-64206
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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; V07BT33A006https://doi.org/10.1115/GT2017-64353
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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; V07BT33A007https://doi.org/10.1115/GT2017-64369
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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; V07BT33A008https://doi.org/10.1115/GT2017-64816
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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; V07BT33A009https://doi.org/10.1115/GT2017-64954
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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; V07BT33A010https://doi.org/10.1115/GT2017-65040
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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; V07BT35A001https://doi.org/10.1115/GT2017-63027
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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; V07BT35A002https://doi.org/10.1115/GT2017-63138
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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; V07BT35A003https://doi.org/10.1115/GT2017-63193
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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; V07BT35A004https://doi.org/10.1115/GT2017-63200
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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; V07BT35A005https://doi.org/10.1115/GT2017-63287
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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; V07BT35A006https://doi.org/10.1115/GT2017-63437
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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; V07BT35A007https://doi.org/10.1115/GT2017-63488
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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; V07BT35A008https://doi.org/10.1115/GT2017-63628
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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; V07BT35A009https://doi.org/10.1115/GT2017-63629
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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; V07BT35A010https://doi.org/10.1115/GT2017-63702
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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; V07BT35A011https://doi.org/10.1115/GT2017-63752
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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; V07BT35A012https://doi.org/10.1115/GT2017-63835
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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; V07BT35A013https://doi.org/10.1115/GT2017-63867
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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; V07BT35A014https://doi.org/10.1115/GT2017-63897
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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; V07BT35A015https://doi.org/10.1115/GT2017-63972
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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; V07BT35A016https://doi.org/10.1115/GT2017-63980
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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; V07BT35A017https://doi.org/10.1115/GT2017-63986
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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; V07BT35A018https://doi.org/10.1115/GT2017-63999
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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; V07BT35A019https://doi.org/10.1115/GT2017-64023
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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; V07BT35A020https://doi.org/10.1115/GT2017-64108
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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; V07BT35A021https://doi.org/10.1115/GT2017-64269
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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; V07BT35A022https://doi.org/10.1115/GT2017-64342
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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; V07BT35A023https://doi.org/10.1115/GT2017-64402
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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; V07BT35A024https://doi.org/10.1115/GT2017-64583
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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; V07BT35A025https://doi.org/10.1115/GT2017-64636
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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; V07BT35A026https://doi.org/10.1115/GT2017-64653
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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; V07BT35A027https://doi.org/10.1115/GT2017-64814
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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; V07BT35A028https://doi.org/10.1115/GT2017-64877
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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; V07BT35A029https://doi.org/10.1115/GT2017-64928
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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; V07BT35A030https://doi.org/10.1115/GT2017-64973
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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; V07BT36A001https://doi.org/10.1115/GT2017-63008
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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; V07BT36A002https://doi.org/10.1115/GT2017-63018
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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; V07BT36A003https://doi.org/10.1115/GT2017-63019
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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; V07BT36A004https://doi.org/10.1115/GT2017-63162
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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; V07BT36A005https://doi.org/10.1115/GT2017-63376
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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; V07BT36A006https://doi.org/10.1115/GT2017-63391
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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; V07BT36A007https://doi.org/10.1115/GT2017-63556
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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; V07BT36A008https://doi.org/10.1115/GT2017-63633
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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; V07BT36A009https://doi.org/10.1115/GT2017-63660
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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; V07BT36A010https://doi.org/10.1115/GT2017-63877
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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; V07BT36A011https://doi.org/10.1115/GT2017-64027
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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; V07BT36A012https://doi.org/10.1115/GT2017-64167
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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; V07BT36A013https://doi.org/10.1115/GT2017-64211
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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; V07BT36A014https://doi.org/10.1115/GT2017-64260
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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; V07BT36A015https://doi.org/10.1115/GT2017-64468
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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; V07BT36A016https://doi.org/10.1115/GT2017-64502
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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; V07BT36A017https://doi.org/10.1115/GT2017-64564
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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; V07BT36A018https://doi.org/10.1115/GT2017-64576
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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; V07BT36A019https://doi.org/10.1115/GT2017-64586
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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; V07BT36A020https://doi.org/10.1115/GT2017-64621
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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; V07BT36A021https://doi.org/10.1115/GT2017-64633
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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; V07BT36A022https://doi.org/10.1115/GT2017-64643
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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; V07BT36A023https://doi.org/10.1115/GT2017-64647
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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; V07BT36A024https://doi.org/10.1115/GT2017-64657
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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; V07BT36A025https://doi.org/10.1115/GT2017-65244
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Topics: Compressors , Locks (Waterways) , Vibration , Blades , Flow (Dynamics) , Excitation , Simulation , Structural response analysis , Annulus , Diffusion (Physics)
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