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Proceedings Papers

Proceedings Volume Cover
ASME Turbo Expo 2020: Turbomachinery Technical Conference and Exposition
September 21–25, 2020
Virtual, Online
Conference Sponsors:
  • International Gas Turbine Institute
ISBN:
978-0-7918-8410-2
Volume 2E: Turbomachinery

Radial Turbomachinery Aerodynamics

Prediction in Rotor-Stator Cavities at High Reynolds Numbers up to Re ≈ 2·108: Towards a New Parametric Model
Tilman Raphael Schröder, Sebastian Schuster, Dieter Brillert
GT 2020; V02ET39A001https://doi.org/10.1115/GT2020-14010
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Topics: Cavities , Reynolds number , Rotors , Stators , Thrust , Flow (Dynamics) , Stress , Torque , Bearings , Compressors
Size and Reynolds Number Effects on Compressor Performance and Scaling
Hua Chen
GT 2020; V02ET39A002https://doi.org/10.1115/GT2020-14019
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Topics: Blades , Compressors , Reynolds number , Turbochargers
A New Approach to Modeling Slip and Work Input for Centrifugal Compressors
Herbert M. Harrison, Nicole L. Key
GT 2020; V02ET39A003https://doi.org/10.1115/GT2020-14135
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Topics: Compressor impellers , Compressors , Design , Modeling , Impellers , Errors , Flow (Dynamics) , Geometry
Gradient-Based Optimization of a Radial Turbine Volute and a Downstream Bend Using Vertex Morphing
Nicolas Lachenmaier, Daniel Baumgärtner, Heinz-Peter Schiffer, Johannes Kech
GT 2020; V02ET39A004https://doi.org/10.1115/GT2020-14145
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Topics: Optimization , Turbines , Pressure , Compressors , Cycles , Design , Fuel consumption , Geometry , Internal combustion engines , Pressure drop
Effects of Mach Number and Secondary Flows on Ultra-Low Aspect Ratio Radial Outflow Turbine Cascade Aerodynamics
Aki Grönman, Jonna Tiainen, Antti Uusitalo
GT 2020; V02ET39A005https://doi.org/10.1115/GT2020-14146
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Topics: Aerodynamics , Cascades (Fluid dynamics) , Flow (Dynamics) , Mach number , Outflow , Turbines , Blades , Computational methods , Computer simulation , Heat recovery
Effects of Inlet Guide Vanes on the Performance and Stability of an Aeronautical Centrifugal Compressor
Nicolas Poujol, Isabelle Trébinjac, Pierre Duquesne
GT 2020; V02ET39A006https://doi.org/10.1115/GT2020-14149
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Topics: Compressors , Inlet guide vanes , Stability , Surges
Optimization of Vaneless Volute and Mixed Flow Impeller for Pulsating Flow
Zheng Liu, Colin Copeland, Stefan Tuechler
GT 2020; V02ET39A007https://doi.org/10.1115/GT2020-14241
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Topics: Flow (Dynamics) , Impellers , Optimization , Pulsatile flow , Turbines , Design , Rotors , Blades , Cycles , Engines
Numerical Characterization of the Performance Curve of a Regenerative Pump-As-Turbine
Giulio Cantini, Simone Salvadori
GT 2020; V02ET39A008https://doi.org/10.1115/GT2020-14287
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Topics: Computational fluid dynamics , Pumps , Turbines
Assessment of the Loss Map of a Centrifugal Compressor’s External Volute
Thomas Ceyrowsky, Andre Hildebrandt, Martin Heinrich, Rüdiger Schwarze
GT 2020; V02ET39A009https://doi.org/10.1115/GT2020-14291
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Topics: Boundary-value problems , Compressors , Computational fluid dynamics , Design , Diffusers , Flow (Dynamics) , Impellers , Mach number
Numerical and Experimental Study on Rotating Stall in Industrial Centrifugal Compressor
Toshimasa Miura, Hideaki Yamashita, Ryota Takeuchi, Naoto Sakai
GT 2020; V02ET39A010https://doi.org/10.1115/GT2020-14448
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Topics: Compressors , Vibration , Simulation , Computational fluid dynamics , Pressure , Impellers , Rotation , Vaneless diffusers , Aerodynamics , Annulus
Numerical Investigation of Effect of Blade Surface Slot on the Performance and Flow Field of a Low Speed Centrifugal Fan
HaoGuang Zhang, FeiYang Dong, XuDong Zhang, WuLi Chu
GT 2020; V02ET39A011https://doi.org/10.1115/GT2020-14472
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Topics: Blades , Flow (Dynamics) , Impellers , Suction , Boundary layers , Pressure , Vortices , Design , Separation (Technology) , Wakes
The Impact of Various Modelling Decisions on Flow Field Predictions in a Centrifugal Compressor
William J. Gooding, Matthew A. Meier, Nicole L. Key
GT 2020; V02ET39A012https://doi.org/10.1115/GT2020-14516
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Topics: Compressors , Diffusers , Flow (Dynamics) , Modeling
Criteria for the Stability Limit Prediction of High Speed Centrifugal Compressors With Vaneless Diffuser: Part I — Flow Structure Analysis
Carlo Cravero, Davide Marsano
GT 2020; V02ET39A013https://doi.org/10.1115/GT2020-14579
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Topics: Compressors , Flow (Dynamics) , Stability , Vaneless diffusers , Design , Computational fluid dynamics , Diffusers , Engineering simulation , Fluid dynamics , Simulation
Criteria for the Stability Limit Prediction of High Speed Centrifugal Compressors With Vaneless Diffuser: Part II — The Development of Prediction Criteria
Carlo Cravero, Davide Marsano
GT 2020; V02ET39A014https://doi.org/10.1115/GT2020-14589
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Topics: Compressors , Stability , Vaneless diffusers , Design , Surges , Computational fluid dynamics , Computer simulation , Diffusers , Dynamic analysis , Fluids
Effects of Non-Axisymmetric Volute on Rotating Stall in the Vaneless Diffuser of a Centrifugal Compressor
Zitian Niu, Zhenzhong Sun, Baotong Wang, Xinqian Zheng
GT 2020; V02ET39A015https://doi.org/10.1115/GT2020-14729
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Topics: Compressors , Vaneless diffusers , Flow (Dynamics) , Computer simulation , Impellers , Geometry , Numerical analysis , Stability
Influence of Splitter Blades on the Performance of a Single-Stage Centrifugal Compressor With Pressure Ratio 12.0
Wenchao Zhang, Zhenzhong Sun, Baotong Wang, Xinqian Zheng
GT 2020; V02ET39A016https://doi.org/10.1115/GT2020-14733
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Topics: Blades , Compressors , Pressure , Flow (Dynamics) , Clearances (Engineering) , Flow separation , Shock waves , Chords (Trusses) , Computational fluid dynamics , Impellers
Experimental and Numerical Study of an Open Impeller Centrifugal Compressor Stage Utilising 3D Diffuser End Wall Contouring for Operating Range Extension
Daniel Hermann, Manfred Wirsum, Douglas Robinson, Philipp Jenny
GT 2020; V02ET39A017https://doi.org/10.1115/GT2020-14782
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Topics: Compressors , Diffusers , Impellers , Design , Flow (Dynamics) , Mach number , Blades , Stability , Computation , Computational fluid dynamics
Numerical Simulation of a Radial Turbine at Off-Design Conditions in Presence of Choked Flow
Andrés Tiseira, Luis Miguel García-Cuevas, Lukas Benjamin Inhestern, Juan David Echavarría
GT 2020; V02ET39A018https://doi.org/10.1115/GT2020-14902
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Topics: Computer simulation , Design , Flow (Dynamics) , Turbines , Organic Rankine cycle , Rotors , Stators , Turbochargers , Shock waves , Blades
An Investigation Into the Effect of Clearance Aspect Ratio on the Performance of a Variable Geometry Vaned Diffuser for Automotive Turbocharger Application
Lee Gibson, Stephen Spence, Sung In Kim, Charles Stuart, Martin Schwitzke, Andre Starke, Dietmar Filsinger
GT 2020; V02ET39A019https://doi.org/10.1115/GT2020-14905
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Topics: Clearances (Engineering) , Diffusers , Geometry , Turbochargers , Compressors , Flow (Dynamics) , Design , Engines , Engineering simulation , Impellers
Experimental Study on Internal Flow Field of a High-Speed Centrifugal Compressor at Different Altitudes
Xinghang Yu, Hongwei Ma, Lei Shi, Lianpeng Zhao
GT 2020; V02ET39A020https://doi.org/10.1115/GT2020-15118
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Topics: Compressors , Internal flow , Leakage flows
Aerodynamic Retrofit Design for a High Pressure Compressor Using a High Hub/Tip Ratio Mixed-Flow Compressor
Hang Xiang, Jiang Chen, Jinxin Cheng, Han Niu, Yi Liu, Xiancheng Song
GT 2020; V02ET39A021https://doi.org/10.1115/GT2020-15315
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Topics: Compressors , Design , Flow (Dynamics) , High pressure (Physics)
Loss and Thrust Modeling of Rocket Engine High Density Turbopumps
Jonathan Gloger, Claudio Lettieri, Louis Souverein
GT 2020; V02ET39A022https://doi.org/10.1115/GT2020-15428
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Topics: Computational fluid dynamics , Density , Modeling , Rocket engines , Thrust
Design of a Mixed-Flow Transonic Compressor for Active High-Lift System Using a 3D Inverse Design Methodology
Peng Wang, Maria Vera-Morales, Patrick La, Mehrdad Zangeneh, Niklas Maroldt, Ole Willers, Felix Kauth, Jörg Seume
GT 2020; V02ET39A023https://doi.org/10.1115/GT2020-15645
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Topics: Compressors , Design , Design methodology , Flow (Dynamics)
Numerical and Experimental Investigation of a Low Order Radial Turbine Model for Engine-Level Optimisation of Turbocharger Design
Karl Hohenberg, Ricardo Martinez-Botas, Piotr Łuczyński, Carola Freytag, Manfred Wirsum
GT 2020; V02ET39A024https://doi.org/10.1115/GT2020-15698
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Topics: Design , Engines , Optimization , Turbines , Turbochargers , Accounting , Dynamometers , Errors , Experimental methods , Flow (Dynamics)
Preliminary Study of a Centrifugal Compressor With Counter-Rotating Impellers: Design and Performances Study
Abed Cheikh Brahim, Khelladi Sofiane, Deligant Michael, El Marjani Abdel, Farid Bakir
GT 2020; V02ET39A025https://doi.org/10.1115/GT2020-15860
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Topics: Compressors , Design , Impellers , Machinery , Turbomachinery , Computer simulation , Degrees of freedom , Diffusers , Engineering design processes , Flow (Dynamics)
Physical Quantity Synergy in the Internal Flow Field and Application in Radial-Inflow Turbines
Ziyi Shao, Xuehui Zhang, Xing Wang, Yangli Zhu, Wen Li, Haisheng Chen
GT 2020; V02ET39A026https://doi.org/10.1115/GT2020-16097
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Topics: Inflow , Internal flow , Turbines
Preliminary Design of Variable Nozzle Turbines Based on Sensitive Parameters
Sebastian Wittwer, Ivo Sandor
GT 2020; V02ET39A027https://doi.org/10.1115/GT2020-16145
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Topics: Design , Engines , Experimental design , Nozzles , Turbines
A Numerical Study on the Effect of Inter-Stage Water Injection in an Opposed-Setting-Two-Stage Centrifugal Compressor
Ming Ni, Shaojuan Geng, Zuojun Wei, Xiaohua Gan
GT 2020; V02ET39A028https://doi.org/10.1115/GT2020-16150
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Topics: Compressors , Underground injection
Performance Characteristics of a Centrifugal Compressor With Capacity Control by Variable Diffuser Vanes
Kangsoo Im, Jongsik Jeong
GT 2020; V02ET39A029https://doi.org/10.1115/GT2020-16255
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Topics: Compressors , Diffusers , Performance characterization
Performance Improvement of a Mixed Flow Turbine Using 3D Blading
Matthew Elliott, Stephen Spence, Martin Seiler, Marco Geron
GT 2020; V02ET39A030https://doi.org/10.1115/GT2020-16272
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Topics: Flow (Dynamics) , Turbines , Blades , Design , Optimization , Shapes , Wheels , Geometry , Stress , Diffusers
Performance and Losses Analysis for Radial Turbine Featuring a Multi-Channel Casing Design
Ahmed Farid Hassan, Markus Schatz, Damian M. Vogt
GT 2020; V02ET39A031https://doi.org/10.1115/GT2020-16298
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Topics: Design , Turbines , Computational fluid dynamics , Flow (Dynamics) , Turbochargers , Engineering simulation , Internal flow , Rotors , Simulation , Simulation results

Tutorials

Comparison of Sodium Sulphate Deposition Rate Models Based on Operational Factors Influencing Hot Corrosion Damage in Aero-Engines
Evangelia Pontika, Panagiotis Laskaridis, Theoklis Nikolaidis, Max Koster
GT 2020; V02ET40A001https://doi.org/10.1115/GT2020-15715
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Topics: Aircraft engines , Corrosion , Damage , Experimental design , Sodium

Unsteady Flows in Turbomachinery

Large Eddy Simulation of Wake-Shear Layer Interactions Over a Multi-Element Aerofoil
Souvik Naskar, S. Sarkar
GT 2020; V02ET41A001https://doi.org/10.1115/GT2020-14115
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Topics: Airfoils , Large eddy simulation , Shear (Mechanics) , Wakes
Large-Eddy Simulation of the Variable Speed Power Turbine Cascade With Inflow Turbulence
Kenji Miki, Ali Ameri
GT 2020; V02ET41A002https://doi.org/10.1115/GT2020-14140
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Topics: Cascades (Fluid dynamics) , Inflow , Large eddy simulation , Separation (Technology) , Turbines , Turbulence
Numerical and Experimental Investigation of the Reynolds Number and Reduced Frequency Effects on Low-Pressure Turbine Airfoils
Marc Bolinches-Gisbert, David Cadrecha, Roque Corral, Fernando Gisbert
GT 2020; V02ET41A003https://doi.org/10.1115/GT2020-14224
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Topics: Airfoils , Pressure , Reynolds number , Turbines , Cascades (Fluid dynamics) , Unsteady flow , Boundary layers , Graphics processing units , Runge-Kutta methods , Shear (Mechanics)
Loss Predictions in the High-Pressure Film-Cooled Turbine Blade Cascade T120D by Mean of Wall-Resolved Large Eddy Simulation
Mael Harnieh, Nicolas Odier, Jérôme Dombard, Florent Duchaine, Laurent Gicquel
GT 2020; V02ET41A004https://doi.org/10.1115/GT2020-14231
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Topics: Cascades (Fluid dynamics) , High pressure (Physics) , Large eddy simulation , Turbine blades , Coolants , Flow (Dynamics) , Blades , Film cooling , Aerodynamics , Combustion chambers
Loss Predictions in the High-Pressure Film-Cooled Turbine Vane of the FACTOR Project by Mean of Wall-Modeled Large Eddy Simulation
Mael Harnieh, Nicolas Odier, Jérôme Dombard, Florent Duchaine, Laurent Gicquel
GT 2020; V02ET41A005https://doi.org/10.1115/GT2020-14232
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Topics: High pressure (Physics) , Large eddy simulation , Turbines , Coolants , Flow (Dynamics) , Engines , Film cooling , Pressure , Wakes , Boundary-value problems
Compressor Stall Warning Using Nonlinear Feature Extraction Algorithms
Fangyuan Lou, Nicole L. Key
GT 2020; V02ET41A006https://doi.org/10.1115/GT2020-14247
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Topics: Algorithms , Compressors , Entropy , Feature extraction , Surges
Prediction of the Unsteady Transition Behavior in Low Pressure Turbine Flows Using Time and Frequency Domain Methods
Jan Ph. Heners, Christoph Müller-Schindewolffs, Frederik Blum, Damian M. Vogt
GT 2020; V02ET41A007https://doi.org/10.1115/GT2020-14257
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Topics: Flow (Dynamics) , Pressure , Turbines , Simulation , Boundary layers , Stators , Suction , Transients (Dynamics) , Separation (Technology) , Shapes
Aerodynamic Effects of an Incoming Vortex on Turbines With Different Tip Geometries
Kai Zhou, Chao Zhou
GT 2020; V02ET41A008https://doi.org/10.1115/GT2020-14276
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Topics: Leakage , Turbines , Vortices
Flow Physics During Surge and Recovery of a Multi-Stage High-Speed Compressor
Fanzhou Zhao, John Dodds, Mehdi Vahdati
GT 2020; V02ET41A009https://doi.org/10.1115/GT2020-14345
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Topics: Compressors , Computational fluid dynamics , Flow (Dynamics) , Physics , Surges
Pre-Stall Waves: Precursors to Stall Inception in a Contra-Rotating Axial Fan
Manas Madasseri Payyappalli, A. M. Pradeep
GT 2020; V02ET41A010https://doi.org/10.1115/GT2020-14371
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Topics: Stall inception , Waves , Compressors , Design , Excitation , Fluids , Inflow , Rotors , Spectra (Spectroscopy)
Reduced-Order Modelling of Rotating Stall
Dominik Schlüter, Robert P. Grewe, Fabian Wartzek, Alexander Liefke, Jan Werner, Christian Kunkel, Volker Gümmer
GT 2020; V02ET41A011https://doi.org/10.1115/GT2020-14459
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Topics: Clocks , Compressors , Computation , Computational fluid dynamics , Computer simulation , Errors , Flow (Dynamics) , Modeling , Pressure , Reynolds-averaged Navier–Stokes equations
Impact of Multi-Row Aerodynamic Interaction on the Forced Response Behaviour of an Embedded Compressor Rotor
Shreyas Hegde, Robert Kielb, Laith Zori, Rubens Campregher
GT 2020; V02ET41A012https://doi.org/10.1115/GT2020-14482
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Topics: Compressors , Rotors
Large Eddy Simulation of Periodic Wake Impact on Boundary Layer Transition Mechanisms on a Highly Loaded Low-Pressure Turbine Blade
Benjamin Winhart, Martin Sinkwitz, Andreas Schramm, Pascal Post, Francesca di Mare
GT 2020; V02ET41A013https://doi.org/10.1115/GT2020-14555
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Topics: Boundary layers , Large eddy simulation , Pressure , Turbine blades , Wakes , Blades , Bubbles , Engineering simulation , Flow (Dynamics) , Generators
Numerical Sensitivity Study on the Design of a Transonic Aeroelastic Compressor Rig
Simeng Tian, Mauricio Gutierrez Salas
GT 2020; V02ET41A014https://doi.org/10.1115/GT2020-14565
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Topics: Compressors , Design , Cascades (Fluid dynamics) , Engineering simulation , Nozzles , Pressure , Simulation , Blades , Computation , Computational fluid dynamics
Computational and Experimental Study of the Unsteady Convection of Entropy Waves Within a High Pressure Turbine Stage
Lorenzo Pinelli, Michele Marconcini, Roberto Pacciani, Paolo Gaetani, Giacomo Persico
GT 2020; V02ET41A015https://doi.org/10.1115/GT2020-14725
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Topics: Convection , Entropy , High pressure (Physics) , Turbines , Waves , Computational fluid dynamics , Engineering simulation , Simulation , Temperature , Fluctuations (Physics)
Effect of the Condition Number of the Inverse Fourier Transform Matrix on the Solution Behavior of the Time Spectral Equation System
Sen Zhang, Dingxi Wang, Yi Li, Hangkong Wu, Xiuquan Huang
GT 2020; V02ET41A016https://doi.org/10.1115/GT2020-14754
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Topics: Fourier transforms , Stability , NASA , Blades , Flow (Dynamics) , Flutter (Aerodynamics) , Numerical analysis , Rotors , Scalars , Unsteady flow
Reynolds Stress Field and Turbulent Kinetic Energy Budget in a Repeating Compressor Stage
Ahmad Nawab, Feng Wang, Luca di Mare, John J. Adamczyk
GT 2020; V02ET41A017https://doi.org/10.1115/GT2020-14804
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Topics: Compressors , Kinetic energy , Stress , Turbulence , Flow (Dynamics) , Simulation , Computation , Pressure gradient , Reynolds-averaged Navier–Stokes equations , Chords (Trusses)
Unsteady Flow Simulation Through Stator-Rotor Blade Rows in Intermediate-Pressure Steam Turbines With Cutback Blades
Hironori Miyazawa, Akihiro Uemura, Takashi Furusawa, Satoru Yamamoto, Koichi Yonezawa, Shuichi Umezawa, Shuichi Ohmori, Takeshi Suzuki
GT 2020; V02ET41A018https://doi.org/10.1115/GT2020-14937
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Topics: Blades , Pressure , Rotors , Simulation , Stators , Steam turbines , Unsteady flow , Maintenance , Flow (Dynamics) , Fracture (Process)
Experimental Investigation on the Loss Production Mechanisms in Transitional Boundary Layers
M. Dellacasagrande, D. Lengani, D. Simoni, M. Ubaldi, P. Zunino
GT 2020; V02ET41A019https://doi.org/10.1115/GT2020-15148
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Topics: Boundary layers , Flow (Dynamics) , Eigenvalues , Turbulence , Pressure gradient , Shear (Mechanics) , Stress tensors , Bubbles , Displacement , Energy dissipation
Effect of the Foam Metal Casing Treatment on a Low-Speed Axial Compressor
Jia Li, Dakun Sun, Reize Xu, Xu Dong, Xiaofeng Sun
GT 2020; V02ET41A020https://doi.org/10.1115/GT2020-15149
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Topics: Compressors , Metals
Low Rank Education of Cascade Loss Sensitivity to Unsteady Parameters by Proper Orthogonal Decomposition
D. Lengani, D. Simoni, V. Yepmo, M. Ubaldi, P. Zunino, F. Bertini
GT 2020; V02ET41A021https://doi.org/10.1115/GT2020-15156
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Topics: Cascades (Fluid dynamics) , Education , Principal component analysis , Eigenvalues , Flow (Dynamics) , Chords (Trusses) , Pressure , Approximation , Blades , Design
Experimental Investigation of Tip Design Effects on the Unsteady Aerodynamics and Heat Transfer of a High Speed Turbine
Bogdan Cernat, Sergio Lavagnoli
GT 2020; V02ET41A022https://doi.org/10.1115/GT2020-15159
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Topics: Aerodynamics , Design , Heat transfer , Turbines , Rotors , Engines , Flow (Dynamics) , Blades , Wall temperature , Boundary-value problems
Periodic Unsteadiness of Tip Clearance Vortex in an Axial Compressor Rotor
Fan Yang, Yanhui Wu, Ziyun Zhang, Zhenyang Wang
GT 2020; V02ET41A023https://doi.org/10.1115/GT2020-15167
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Topics: Clearances (Engineering) , Compressors , Leakage , Rotors , Vortices
Unsteady Effects due to Rotor Purge Flow Variations in a Dual-Spool Turbine Setup
F. Merli, P. Z. Sterzinger, M. Dellacasagrande, L. Wiesinger, A. Peters, F. Heitmeir, E. Göttlich
GT 2020; V02ET41A024https://doi.org/10.1115/GT2020-15216
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Topics: Flow (Dynamics) , Rotors , Turbines , Pressure , Aircraft engines , Cavities , Engines , Flow control , Gas turbines , High pressure (Physics)
Retracted: “Turbocharger Radial Turbine Response to Pulse Shape Under Realistic Operating Conditions” [ASME Turbo Expo 2020: Turbomachinery Technical Conference and Exposition, Volume 2E: Turbomachinery, Virtual, Online, September 21–25, 2020, Conference Sponsors: International Gas Turbine Institute, ISBN: 978-0-7918-8410-2, Copyright © 2020 by ASME. Paper No. GT2020-15237, V02ET41A025; 14 pages; doi: 10.1115/GT2020-15237]
ASME
GT 2020; V02ET41A025https://doi.org/10.1115/GT2020-15237
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Topics: International Gas Turbine Institute , Shapes , Turbines , Turbochargers , Turbomachinery
Time-Resolved Measurements of the Unsteady Boundary Layer in an Annular Low-Pressure Turbine Configuration With Perturbed Inlet
Martin Sinkwitz, Benjamin Winhart, David Engelmann, Francesca di Mare
GT 2020; V02ET41A026https://doi.org/10.1115/GT2020-15319
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Topics: Boundary layers , Pressure , Turbines , Flow (Dynamics) , Blades , Inflow , Stators , Wakes , Emission spectroscopy , Sensors
On the Prediction of Rotating Stall in an Industrial Gas Turbine Compressor
Senthil K. Krishnababu
GT 2020; V02ET41A027https://doi.org/10.1115/GT2020-15330
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Topics: Compressors , Industrial gases , Turbines , Computation , Guide vanes , Annulus , Control systems , Cycles , Design , Engines
Application of Immersed Boundary Method on Instrumented Turbine Blade With LES
Bryn N. Ubald, Rob Watson, Jiahuan Cui, Paul Tucker, Shahrokh Shahpar
GT 2020; V02ET41A028https://doi.org/10.1115/GT2020-15423
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Topics: Turbine blades , Probes , Blades , Instrumentation , Pressure , Anisotropy , Compressors , Engineering simulation , Engineers , Flow (Dynamics)
Experimental Investigation of Surge Phenomena in a Transonic Centrifugal Compressor With Inlet Distortion
Sasuga Ito, Masato Furukawa, Satoshi Gunjishima, Takafumi Ota, Kazuhito Konishi, Kazutoyo Yamada
GT 2020; V02ET41A029https://doi.org/10.1115/GT2020-15426
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Topics: Compressors , Surges
Experimental Study of Vaneless Diffuser Rotating Stall Development and Cell Merging Phenomena
Filip Grapow, Krzysztof Olasek, Grzegorz Liśkiewicz, Radomir Magiera, Władysław Kryłłowicz
GT 2020; V02ET41A030https://doi.org/10.1115/GT2020-15602
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Topics: Compressors , Vaneless diffusers
Dynamic Model Based Identification of Cavitation Compliance and Mass Flow Gain Factor in Rocket Engine Turbopump Inducers
Y. Wan, M. Manfredi, A. Pasini, Z. Spakovszky
GT 2020; V02ET41A031https://doi.org/10.1115/GT2020-15655
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Topics: Cavitation , Dynamic models , Flow (Dynamics) , Rocket engines
Cyclostationary Approach for Instabilities Detection and Condition Monitoring of Centrifugal Compressor
Mateusz Stajuda, David Garcia Cava, Grzegorz Liśkiewicz
GT 2020; V02ET41A032https://doi.org/10.1115/GT2020-15699
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Topics: Compressors , Condition monitoring
Experimental Analysis of Surge-Detection System Based on Pressure Derivatives at Part-Speed Operation
Grzegorz Liskiewicz, Kirill Kabalyk, Andrzej Jaeschke, Filip Grapow, Michał Kulak, Władysław Kryłłowicz, Hua Ouyang, Xin Shen
GT 2020; V02ET41A033https://doi.org/10.1115/GT2020-15717
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Topics: Compressors , Experimental analysis , Pressure , Safety , Surges
Fluctuation of Inducer Recirculation Stemming From Diffuser Stall in Centrifugal Turbomachinery Near Surge Condition
Kazuhiro Tsukamoto, Chisachi Kato
GT 2020; V02ET41A034https://doi.org/10.1115/GT2020-15761
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Topics: Diffusers , Surges , Turbomachinery , Flow (Dynamics) , Impellers , Pressure , Pipes , Rotation , Suction , Computer simulation
Very Large Eddy Simulation of Film Cooling Effectiveness on Trailing Edge Cutback
Xin Yan
GT 2020; V02ET41A035https://doi.org/10.1115/GT2020-15780
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Topics: Film cooling , Large eddy simulation
Free-Stream Turbulence Induced Boundary-Layer Transition in Low-Pressure Turbines
Kristina Ðurović, Luca De Vincentiis, Daniele Simoni, Davide Lengani, Jan Pralits, Dan S. Henningson, Ardeshir Hanifi
GT 2020; V02ET41A036https://doi.org/10.1115/GT2020-15808
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Topics: Boundary layers , Pressure , Turbines , Turbulence , Blades , Flow (Dynamics) , Suction , Boundary-value problems , Bubbles , Cascades (Fluid dynamics)
On High-Resolution Pressure Amplitude and Phase Measurements Comparing Fast-Response Pressure Transducers and Unsteady Pressure-Sensitive Paint
Martin Bitter, Stephan Stotz, Reinhard Niehuis
GT 2020; V02ET41A037https://doi.org/10.1115/GT2020-16194
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Topics: Paints , Pressure , Pressure transducers , Resolution (Optics) , Cascades (Fluid dynamics) , Flow (Dynamics) , Wakes , Blades , Dynamics (Mechanics) , Engines
Dynamic Mode Decomposition Analysis of Separated Boundary Layers Under Variable Reynolds Number and Free-Stream Turbulence
M. Dellacasagrande, J. Verdoya, D. Barsi, D. Lengani, D. Simoni
GT 2020; V02ET41A038https://doi.org/10.1115/GT2020-16322
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Topics: Boundary layers , Reynolds number , Turbulence , Wavelength , Fluctuations (Physics) , Shear (Mechanics) , Vortices , Accounting , Control systems , Density
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