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ASME Turbo Expo 2016: Turbomachinery Technical Conference and Exposition

June 13–17, 2016

Seoul, South Korea

Conference Sponsors:

ISBN:

978-0-7918-4972-9

In This Volume

Radial Turbomachinery Aerodynamics (39)
Unsteady Flows in Turbomachinery (38)

Volume 2D: Turbomachinery

Radial Turbomachinery Aerodynamics

Effects of Impeller Squealer Tip on Centrifugal Compressor Performance

Riccardo Da Soghe, Cosimo Bianchini, Lorenzo Toni, Dante Tommaso Rubino

GT 2016; V02DT42A001doi:https://doi.org/10.1115/GT2016-56003

Abstract

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Topics: Compressors , Impellers , Computational fluid dynamics , Geometry , Cavities , Clearances (Engineering) , Computation , Design , Experimental design , Flow (Dynamics)

Numerical Study of the Reynolds Number Effect on the Centrifugal Compressor Performance and Losses

Jonna Tiainen, Ahti Jaatinen-Värri, Aki Grönman, Jari Backman

GT 2016; V02DT42A002doi:https://doi.org/10.1115/GT2016-56036

Abstract

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Topics: Compressors , Reynolds number , Blades , Boundary layers , Chords (Trusses) , Impellers , Shear stress , Vorticity

Effect of Exit Pressure Pulsation on the Performance and Stability Limit of a Turbocharger Centrifugal Compressor

Maria Esperanza Barrera-Medrano, Peter Newton, Ricardo Martinez-Botas, Srithar Rajoo, Isao Tomita, Seiichi Ibaraki

GT 2016; V02DT42A003doi:https://doi.org/10.1115/GT2016-56109

Abstract

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Topics: Compressors , Pressure , Stability , Turbochargers , Surges , Valves , Flow (Dynamics) , Compression , Diffusers , Dynamics (Mechanics)

The Role of Impeller Outflow Conditions on the Performance of Vaned Diffusers

Jonathan Everitt, Zoltán Spakovszky, Daniel Rusch, Jürg Schiffman

GT 2016; V02DT42A004doi:https://doi.org/10.1115/GT2016-56168

Abstract

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Topics: Diffusers , Impellers , Outflow , Mach number , Compressors , Flow (Dynamics) , Pressure , Rotors , Swirling flow , Design

Development of a Centrifugal Compressor Facility for Performance and Aeromechanics Research

Fangyuan Lou, Herbert M. Harrison, John C. Fabian, Nicole L. Key, Darrell K. James, Rakesh Srivastava

GT 2016; V02DT42A005doi:https://doi.org/10.1115/GT2016-56188

Abstract

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Topics: Compressors , Instrumentation , Clearances (Engineering) , Collaboration , Flow (Dynamics) , Impellers , Pressure sensors , Steady state , Vehicles

Flow Loss Mechanism and Modeling in a Centrifugal Compressor Casing

Mingxu Qi, Leon Hu, Harold Sun, Margaret Wooldridge

GT 2016; V02DT42A006doi:https://doi.org/10.1115/GT2016-56243

Abstract

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Topics: Compressors , Flow (Dynamics) , Modeling , Air flow , Cavities , Computer simulation , Engineering simulation , Friction , Geometry , Simulation

Mechanism and Flow Control on the Mismatching of Impeller and Vaned Diffuser Caused by Inlet Prewhirl for Centrifugal Compressors

Qiangqiang Huang, Xinqian Zheng, Aolin Wang

GT 2016; V02DT42A007doi:https://doi.org/10.1115/GT2016-56244

Abstract

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Topics: Compressors , Diffusers , Flow control , Impellers , Flow (Dynamics) , Computational fluid dynamics , Engineering simulation , Generators , Inlet guide vanes , Modeling

Investigation of Vaned Diffuser Splitters on the Performance and Flow Control of High Pressure Ratio Centrifugal Compressors

Xiao He, Xinqian Zheng, Jie Wei, Hanxuan Zeng

GT 2016; V02DT42A008doi:https://doi.org/10.1115/GT2016-56255

Abstract

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Topics: Compressors , Diffusers , Flow control , High pressure (Physics) , Shock (Mechanics) , Flow separation , Chords (Trusses) , Flow (Dynamics) , Pressure , Design

Reynolds Correction in Centrifugal Compressors: Theory and Experimental Validation of a Revised Correlation

Luca Scarbolo, Elisabetta Belardini, Ernani Fulvio Bellobuono, Dante Tommaso Rubino, Libero Tapinassi

GT 2016; V02DT42A009doi:https://doi.org/10.1115/GT2016-56396

Abstract

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Topics: Compressors , Machinery , Engineering prototypes , Gases , Pressure , Reynolds number , Surface finishing , Surface roughness

Experimental Determination of Mechanical Stress Induced by Rotating Stall in Unshrouded Impellers of Centrifugal Compressors

Philipp Jenny, Yves Bidaut

GT 2016; V02DT42A010doi:https://doi.org/10.1115/GT2016-56436

Abstract

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Topics: Compressors , Impellers , Stress , Excitation , Pressure , Design , Blades , Compression , Flow (Dynamics) , Fluctuations (Physics)

Numerical Analysis of an Alternate Stall in a Radial Vaned Diffuser

E. Benichou, I. Trébinjac

GT 2016; V02DT42A011doi:https://doi.org/10.1115/GT2016-56485

Abstract

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Topics: Diffusers , Numerical analysis , Flow (Dynamics) , Simulation , Compressors , Impellers , Computational fluid dynamics , Phase shift , Physics , Reynolds-averaged Navier–Stokes equations

Numerical Investigation of Shock Effects on Performance and Flow Field in a Transonic Centrifugal Impeller

Huijing Zhao, Zhiheng Wang, Hongshi Yu, Chaoyang Jiang, Guang Xi

GT 2016; V02DT42A012doi:https://doi.org/10.1115/GT2016-56488

Abstract

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Topics: Flow (Dynamics) , Impellers , Shock (Mechanics) , Blades , Boundary layers , Clearances (Engineering) , Compressors , Design , Vortices , Flow separation

Experimental and Numerical Verification of an Optimization of a Fast Rotating High Performance Radial Compressor Impeller

M. Elfert, A. Weber, D. Wittrock, A. Peters, C. Voss, E. Nicke

GT 2016; V02DT42A013doi:https://doi.org/10.1115/GT2016-56546

Abstract

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Topics: Compressor impellers , Optimization , Compressors , Design , Impellers , Flow (Dynamics) , Geometry , Manufacturing , Resolution (Optics) , Blades

Flow Analysis of a High Flowrate Centrifugal Compressor Stage and Comparison With Test Rig Data

Anton Weber, Christian Morsbach, Edmund Kügeler, Christoph Rube, Matthias Wedeking

GT 2016; V02DT42A014doi:https://doi.org/10.1115/GT2016-56551

Abstract

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Topics: Compressors , Flow (Dynamics) , Impellers , Turbulence , Blades , Computational fluid dynamics , Reynolds-averaged Navier–Stokes equations , Ducts , Engineering simulation , Inflow

Multi-Point Optimization of Recirculation Flow Type Casing Treatment in Centrifugal Compressors

Min Thaw Tun, Daisaku Sakaguchi, Ryusuke Numakura, Baotong Wang

GT 2016; V02DT42A015doi:https://doi.org/10.1115/GT2016-56610

Abstract

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Topics: Compressors , Flow (Dynamics) , Optimization , Design , Flow separation , Surges , Entropy , Evolutionary algorithms , Impellers , Shapes

Turbine Performance Under Pulsating Inflow: A Similarity Analysis

Hua Chen, Apostolos Pesiridis

GT 2016; V02DT42A016doi:https://doi.org/10.1115/GT2016-56612

Abstract

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Topics: Inflow , Turbines , Diesel , Gasoline engines , Temperature , Turbochargers

Numerically Derived Design Guidelines of Self Recirculation Casing Treatment for Industrial Centrifugal Compressors

Sewoong Jung, Robert Pelton

GT 2016; V02DT42A017doi:https://doi.org/10.1115/GT2016-56672

Abstract

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Topics: Compressors , Design , Impellers , Computational fluid dynamics , Cavities , Flow (Dynamics) , Surges , Turbochargers

The Development of a Low Specific Speed Centrifugal Compressor Research Facility

Jeanne Methel, William J. Gooding, John C. Fabian, Nicole L. Key, Mark Whitlock

GT 2016; V02DT42A018doi:https://doi.org/10.1115/GT2016-56683

Abstract

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Topics: Compressors , Aerodynamics , Engines , High pressure (Physics) , Aircraft engines , Blades , Compression , Design , Finishes , Fuel consumption

Experimental Study on the Effect of Diffuser Vane Setting Angle on Centrifugal Compressor Performance

Hideaki Tamaki

GT 2016; V02DT42A019doi:https://doi.org/10.1115/GT2016-56732

Abstract

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Topics: Compressors , Diffusers , Flow (Dynamics) , Geometry , Impellers , Modeling

Influence of Reynolds Number on the Performance of Process Centrifugal Compressors

Yan Liu, Li-hua Tao, Jian Wang, Yang Wang, Xue-jun Wang, Wei Wang

GT 2016; V02DT42A020doi:https://doi.org/10.1115/GT2016-56853

Abstract

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Topics: Compressors , Reynolds number , Flow (Dynamics) , Design , Mach number , Machinery , Computational fluid dynamics , Engineering prototypes , Impellers , Pressure

Unsteady Rotating Radial Load of a Single Stage Radial Inflow Turbine

Jonathan Marlier, Virginie Barbieux, Benoît Tartinville

GT 2016; V02DT42A021doi:https://doi.org/10.1115/GT2016-56983

Abstract

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Topics: Inflow , Stress , Turbines , Stators , Impellers , Blades , Excitation , Aerodynamics , Computational fluid dynamics , Computer software

Area-Schedule Based Design of High Pressure Recovery Radial Diffusion Systems

Ruhou Gao, Zoltán Spakovszky, Daniel Rusch, René Hunziker

GT 2016; V02DT42A022doi:https://doi.org/10.1115/GT2016-57044

Abstract

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Topics: Design , Diffusion (Physics) , High pressure (Physics) , Diffusers , Flow (Dynamics) , Pressure , Suction , Airfoils , Cascades (Fluid dynamics) , Compressors

Investigations on the Generation and Weakening of Shock Wave in a Radial Turbine With Variable Guide Vanes

Dengfeng Yang, Dazhong Lao, Ce Yang, Leon Hu, Harold Sun

GT 2016; V02DT42A023doi:https://doi.org/10.1115/GT2016-57047

Abstract

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Topics: Guide vanes , Shock waves , Turbines , Blades , Rotors , Engines , Nozzles , Exhaust systems , Pressure , High cycle fatigue

Numerical Investigation of the Effect of Diffuser and Volute Design Parameters on the Performance of a Centrifugal Compressor Stage

Lei Yu, William T. Cousins, Feng Shen, Georgi Kalitzin, Vishnu Sishtla, Om Sharma

GT 2016; V02DT42A024doi:https://doi.org/10.1115/GT2016-57057

Abstract

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Topics: Compressors , Design , Diffusers , Flow (Dynamics) , Pressure , Simulation , Impellers , Computational fluid dynamics , Diffusion (Physics) , Diffusion processes

Numerical Investigation of the Flow Distortion Impact on a Refrigeration Centrifugal Compressor

Feng Shen, Lei Yu, William T. Cousins, Vishnu Sishtla, Om P. Sharma

GT 2016; V02DT42A025doi:https://doi.org/10.1115/GT2016-57063

Abstract

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Topics: Compressors , Flow (Dynamics) , Refrigeration , Clearances (Engineering) , Computational fluid dynamics , Inlet guide vanes , Pipes , Design , Guide vanes , Impellers

Characterizing Flow Effects of Ported Shroud Casing Treatment on Centrifugal Compressor Performance

George A. Christou, Choon S. Tan, Borislav T. Sirakov, Vai-Man Lei, Giuseppe Alescio

GT 2016; V02DT42A026doi:https://doi.org/10.1115/GT2016-57070

Abstract

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Topics: Compressors , Flow (Dynamics) , Momentum , Approximation , Boundary-value problems , Diffusion (Physics) , Impellers , Leakage flows , Physics , Pressure

Numerical Investigation of the Flow Field and Aerodynamic Load on Impellers in Centrifugal Compressor With Different Radial Inlets

Jianchi Xin, Xiaofang Wang, Lusheng Zhou, Zhong Ye, Haitao Liu

GT 2016; V02DT42A027doi:https://doi.org/10.1115/GT2016-57180

Abstract

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Topics: Compressors , Flow (Dynamics) , Impellers , Stress , Guide vanes , Computational fluid dynamics , Simulation , Axial flow , Fast Fourier transforms , Machinery

Study of Geometric Parameter Influence on Fishtail Pipe Diffuser Performance

Ge Han, Xingen Lu, Yanfeng Zhang, Shengfeng Zhao, Chengwu Yang, Junqiang Zhu

GT 2016; V02DT42A028doi:https://doi.org/10.1115/GT2016-57404

Abstract

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Topics: Diffusers , Pipes , Flow (Dynamics) , Compressors , Combustion chambers , Design , High pressure (Physics) , Pressure , Shapes , Engines

A 3D Time-Accurate CFD Simulation of the Flow Field Inside a Vaneless Diffuser During Rotating Stall Conditions

Michele Marconcini, Alessandro Bianchini, Matteo Checcucci, Giovanni Ferrara, Andrea Arnone, Lorenzo Ferrari, Davide Biliotti, Dante Tommaso Rubino

GT 2016; V02DT42A029doi:https://doi.org/10.1115/GT2016-57604

Abstract

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Topics: Computational fluid dynamics , Flow (Dynamics) , Simulation , Vaneless diffusers , Impellers , Diffusers , Engineering simulation , Pressure , Aerodynamics , Compressors

Numerical and Experimental Investigation of Heat Transfer in a Low Flow Single Stage Centrifugal Compressor

Michael Cui, William Hohlweg

GT 2016; V02DT42A030doi:https://doi.org/10.1115/GT2016-57710

Abstract

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Topics: Compressors , Flow (Dynamics) , Heat transfer , Heat , Design , Fluids , Heating , Impellers , Temperature , Thermofluids

Numerical and Experimental Investigation of Return Channel Vane Aerodynamics With 2D and 3D Vanes

A. Hildebrandt, F. Schilling

GT 2016; V02DT42A031doi:https://doi.org/10.1115/GT2016-57713

Abstract

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Topics: Aerodynamics , Blades , Compressors , Computational fluid dynamics , Diffusers , Dimensions , Flow (Dynamics) , Pressure , Probes , Suction

Design Exploration of a Return Channel for Multistage Centrifugal Compressors

Vishal Jariwala, Louis Larosiliere, James Hardin

GT 2016; V02DT42A032doi:https://doi.org/10.1115/GT2016-57777

Abstract

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Topics: Compressors , Design , Computational fluid dynamics , Degrees of freedom , Flow (Dynamics) , Guide vanes , Parametric design , Pressure

Manufacturing Considerations in the Initial Design Process

Mark R. Anderson, Peter L. Klein

GT 2016; V02DT42A033doi:https://doi.org/10.1115/GT2016-57801

Abstract

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Topics: Design , Manufacturing , Blades , Shapes , Computational fluid dynamics , Machining , Turbomachinery , Engineers , Impellers , Stress

Radial Stages With Non-Uniform Pressures at Diffuser Inlet

David Japikse, Eric M. Krivitzky

GT 2016; V02DT42A034doi:https://doi.org/10.1115/GT2016-57956

Abstract

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Topics: Diffusers , Flow (Dynamics) , Impellers , Design , Computational fluid dynamics , Pressure

An Investigation Into the Variation of Centrifugal Compressor Sensitivity to Inlet Swirl With Initial Form Parameter Selection

Eric M. Krivitzky

GT 2016; V02DT42A035doi:https://doi.org/10.1115/GT2016-57958

Abstract

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Topics: Compressors , Design , Computational fluid dynamics , Flow (Dynamics) , Geometry , Inlet guide vanes , Performance characterization , Surges

Meanline Modeling of a Radial-Inflow Turbine Nozzle With Supersonic Expansion

Shuo Li, Eric M. Krivitzky, Xuwen Qiu

GT 2016; V02DT42A036doi:https://doi.org/10.1115/GT2016-58077

Abstract

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Topics: Inflow , Modeling , Nozzles , Turbines , Computational fluid dynamics , Flow (Dynamics) , Rotors , Errors , Gages , High pressure (Physics)

On the Influence of a Hubside Exducer Cavity and Bleed Air in a Close-Coupled Centrifugal Compressor Stage

Peter Kaluza, Christian Landgraf, Philipp Schwarz, Peter Jeschke, Caitlin Smythe

GT 2016; V02DT42A037doi:https://doi.org/10.1115/GT2016-58082

Abstract

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Topics: Cavities , Compressors , Impellers , Diffusers , Aircraft engines , Computational fluid dynamics , Engineering simulation , Pressure , Simulation , Steady state

Flow Characteristics of a Novel Centrifugal Compressor Design

Shashank Mishra, Shaaban Abdallah, Mark Turner

GT 2016; V02DT42A038doi:https://doi.org/10.1115/GT2016-58103

Abstract

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Topics: Compressors , Design , Flow (Dynamics) , Pressure , Blades , Impellers , Optimization , Stators , Disks , Flow turning

Design of a Centrifugal Turbo Compressor With the Working Fluid Water for the Operation in a Hybrid Sorption/Compression Heat Pump Cycle

Thomas Eckert, Leo Dostal, Martin Helm, Christian Schweigler

GT 2016; V02DT42A039doi:https://doi.org/10.1115/GT2016-58177

Abstract

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Topics: Compression , Compressors , Design , Fluids , Heat pump cycles , Sorption , Turbochargers , Water , Heat pumps , Heat

Unsteady Flows in Turbomachinery

Development and Application of a Fast-Response Total Temperature Probe for Turbomachinery

Martin C. Arenz, Björn Weigel, Jan Habermann, Stephan Staudacher, Martin G. Rose, Ewald Lutum, Wolfgang Berns

GT 2016; V02DT44A001doi:https://doi.org/10.1115/GT2016-56132

Abstract

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Topics: Probes , Temperature , Turbomachinery , Rotors , Design , Resolution (Optics) , Turbines , Aircraft propulsion , Calibration , Engineers

Structure of Diffuser Stall and Unsteady Vortices in a Centrifugal Compressor With Vaned Diffuser

Nobumichi Fujisawa, Sota Ikezu, Yutaka Ohta

GT 2016; V02DT44A002doi:https://doi.org/10.1115/GT2016-56154

Abstract

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Topics: Compressors , Diffusers , Vortices , Flow (Dynamics) , Impellers , Design , Leakage , Numerical analysis

Origins and Structure of Rotating Instability: Part 1 — Experimental and Numerical Observations in a Subsonic Axial Compressor Rotor

Yanhui Wu, Zhiyang Chen, Guangyao An, Jun Liu, Guowei Yang

GT 2016; V02DT44A003doi:https://doi.org/10.1115/GT2016-56221

Abstract

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Topics: Compressors , Rotors , Flow (Dynamics) , Clearances (Engineering) , Oscillations , Blades , Stability , Traveling waves , Unsteady flow , Design

Origins and Structure of Rotating Instability: Part 2 — Numerical Observations in a Transonic Axial Compressor Rotor

Yanhui Wu, Guangyao An, Zhiyang Chen, Jun Liu, Guowei Yang

GT 2016; V02DT44A004doi:https://doi.org/10.1115/GT2016-56223

Abstract

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Topics: Compressors , Rotors , Flow (Dynamics) , Blades , Unsteady flow , Vortices , Fluids , Oscillations , Clearances (Engineering) , Computation

Blade Incipient Crack Determination for Centrifugal Compressor Based on Pressure Pulsation Signal Feature Extraction

Hongkun Li, Changbo He, Daren Jiang, Xuejun Wang

GT 2016; V02DT44A005doi:https://doi.org/10.1115/GT2016-56273

Abstract

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

Performance Metric for Turbine Stage Under Unsteady Pulsating Flow Environment

Jinwook Lee, Choon S. Tan, Borislav T. Sirakov, Chris Wilkins, Hong-Sik Im, Martin Babak, Denis Tisserant

GT 2016; V02DT44A006doi:https://doi.org/10.1115/GT2016-56343

Abstract

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Topics: Pulsatile flow , Turbines , Entropy , Storage , Turbochargers , Combustion chambers , Engines , Explosions , Flow (Dynamics) , Second law of thermodynamics

Influence of Unsteady Wakes on the Secondary Flows in the Linear T106 Turbine Cascade

Ilker Kirik, Reinhard Niehuis

GT 2016; V02DT44A007doi:https://doi.org/10.1115/GT2016-56350

Abstract

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Topics: Cascades (Fluid dynamics) , Flow (Dynamics) , Turbines , Wakes , Probes , Pressure , Boundary layers , Wire , Generators , Military personnel and organizations

LES Validation for a Rotating Cylindrical Cavity With Radial Inflow

Michel Onori, Dario Amirante, Nicholas J. Hills, John W. Chew

GT 2016; V02DT44A008doi:https://doi.org/10.1115/GT2016-56393

Abstract

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Topics: Cavities , Inflow , Boundary layers , Disks , Reynolds-averaged Navier–Stokes equations , Turbulence , Damping , Engineering simulation , Flow (Dynamics) , Large eddy simulation

Performance Characterization of Twin Scroll Turbine Stage for Vehicular Turbocharger Under Unsteady Pulsating Flow Environment

Jinwook Lee, Choon S. Tan, Borislav T. Sirakov, Chris Wilkins, Hong-Sik Im, Martin Babak, Denis Tisserant

GT 2016; V02DT44A009doi:https://doi.org/10.1115/GT2016-56401

Abstract

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Topics: Performance characterization , Pulsatile flow , Turbines , Turbochargers , Flow (Dynamics) , Pressure , Computational fluid dynamics , Diffusers , Wheels , Acoustics

Corner Separation Dynamics in a Linear Compressor Cascade

Gherardo Zambonini, Xavier Ottavy, Jochen Kriegseis

GT 2016; V02DT44A010doi:https://doi.org/10.1115/GT2016-56454

Abstract

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Topics: Cascades (Fluid dynamics) , Compressors , Corners (Structural elements) , Dynamics (Mechanics) , Separation (Technology) , Blades , Flow (Dynamics) , Switches , Boundary layers , Eddies (Fluid dynamics)

Numerical and Experimental Studies of Reynolds Number and Stator Clocking Effect on Performance of a High-Loaded Two-Stage Compressor With 3.7 Total Pressure Ratio

V. Mileshin, I. Druzhinin, N. Savin, P. Kozhemyako

GT 2016; V02DT44A011doi:https://doi.org/10.1115/GT2016-56567

Abstract

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Topics: Compressors , Pressure , Reynolds number , Stators , Engines , Rotors , Turbomachinery , Air flow , Atmospheric pressure , Aviation

Flow Visualization of Unsteady and Transient Phenomena in a Mixed-Flow Multiphase Pump

Alberto Serena, Lars E. Bakken

GT 2016; V02DT44A012doi:https://doi.org/10.1115/GT2016-56581

Abstract

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Topics: Flow (Dynamics) , Flow visualization , Pumps , Transients (Dynamics) , Bubbles , Clearances (Engineering) , Two-phase flow , Design , Frequency-domain analysis , Impellers

Near Stall Behavior of a Transonic Compressor Rotor With Casing Treatment

Christoph Brandstetter, Felix Holzinger, Heinz-Peter Schiffer, Sina Stapelfeldt, Mehdi Vahdati

GT 2016; V02DT44A013doi:https://doi.org/10.1115/GT2016-56606

Abstract

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Topics: Compressors , Rotors , Stall behavior , Blades , Cavities , Engines , Flow (Dynamics) , Fluctuations (Physics) , Stability , Vibration

Numerical Study on the Effects of the Upstream Wake Generator on the Aerodynamic Performance of a High-Lift Low Pressure Turbine Blade

Fabio Bigoni, Stefano Vagnoli, Tony Arts, Tom Verstraete

GT 2016; V02DT44A014doi:https://doi.org/10.1115/GT2016-56647

Abstract

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Topics: Generators , Pressure , Turbine blades , Wakes , Blades , Bubbles , Separation (Technology) , Turbulence , Engineering simulation , Engines

Detailed Numerical Characterization of the Suction Side Laminar Separation Bubble for a High-Lift Low Pressure Turbine Blade by Means of RANS and LES

Fabio Bigoni, Stefano Vagnoli, Tony Arts, Tom Verstraete

GT 2016; V02DT44A015doi:https://doi.org/10.1115/GT2016-56653

Abstract

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Topics: Bubbles , Pressure , Reynolds-averaged Navier–Stokes equations , Separation (Technology) , Suction , Turbine blades , Reynolds number , Large eddy simulation , Computational fluid dynamics , Engines

Unsteady Aerodynamics of a Flat Tip and a Winglet Tip in a High-Pressure Turbine

Kai Zhou, Chao Zhou

GT 2016; V02DT44A016doi:https://doi.org/10.1115/GT2016-56845

Abstract

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Topics: Aerodynamics , High pressure (Physics) , Turbines , Vortices , Rotors , Entropy , Leakage , Leakage flows , Stators , Unsteady flow

Unsteady and Multi-Blade Passage Numerical Simulation on an Unshrouded Centrifugal Impeller

Tongtong Zhang, Tong Wang, Hui Wang, Chuangang Gu

GT 2016; V02DT44A017doi:https://doi.org/10.1115/GT2016-56873

Abstract

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Topics: Blades , Computer simulation , Impellers , Flow (Dynamics) , Pressure , Computer software , Leakage flows , Simulation , Stability , Suction

Delayed Detached-Eddy Simulations of a High Pressure Turbine Vane

Dun Lin, Xinrong Su, Xin Yuan

GT 2016; V02DT44A018doi:https://doi.org/10.1115/GT2016-56911

Abstract

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Topics: Eddies (Fluid dynamics) , Engineering simulation , High pressure (Physics) , Simulation , Turbines , Delay differential equations , Flow (Dynamics) , Pressure , Shock waves , Waves

Large-Eddy Simulation of a High-Pressure Turbine Vane With Inlet Turbulence

Solkeun Jee, Jongwook Joo, Gorazd Medic

GT 2016; V02DT44A019doi:https://doi.org/10.1115/GT2016-56980

Abstract

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Topics: High pressure (Physics) , Large eddy simulation , Turbines , Turbulence , Boundary layers , Blades , Cascades (Fluid dynamics) , Durability , Heat transfer , Simulation

Development and Evaluation of a Performance Estimation Methodology for Fans Operating Within Non-Homogeneous Inflow

D. Schoenweitz, R. Schnell

GT 2016; V02DT44A020doi:https://doi.org/10.1115/GT2016-57095

Abstract

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Topics: Fans , Inflow , Simulation , Computational fluid dynamics , Design , Annulus , Boundary layers , Transients (Dynamics) , Aircraft , Aircraft engines

Large-Scale DES Analysis of Stall Inception Process in a Multi-Stage Axial Flow Compressor

Kazutoyo Yamada, Masato Furukawa, Yuki Tamura, Seishiro Saito, Akinori Matsuoka, Kentaro Nakayama

GT 2016; V02DT44A021doi:https://doi.org/10.1115/GT2016-57104

Abstract

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Topics: Axial flow , Stall inception , Separation (Technology) , Compressors , Flow (Dynamics) , Corners (Structural elements) , Eddies (Fluid dynamics) , Simulation , Stators , Blades

On the Application of a Harmonic Balance Method With a Volume Source Cooling Model to the Simulation of a Film-Cooled Turbine Stage

Kai Becker, Graham Ashcroft, Anton Weber, Stefan Rochhausen, Jose Rodriguez, Gregor Schmid

GT 2016; V02DT44A022doi:https://doi.org/10.1115/GT2016-57199

Abstract

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Topics: Cooling , Simulation , Turbines , Flow (Dynamics) , Unsteady flow , Blades , Computer simulation , Errors , Heat transfer , High pressure (Physics)

The Effects of Periodic Wakes on Boundary Layer Separation of Low-Pressure Turbine Using Large Eddy Simulation

Xiaodi Wu, Fu Chen, Yunfei Wang

GT 2016; V02DT44A023doi:https://doi.org/10.1115/GT2016-57205

Abstract

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Topics: Boundary layers , Large eddy simulation , Pressure , Separation (Technology) , Turbines , Wakes , Flow (Dynamics) , Computational fluid dynamics , Stators , Turbomachinery

Understanding of Secondary Loss Structures in a Multi-Stage Transonic Compressor Using DES

Donghyun Kim, Changmin Son, Kuisoon Kim

GT 2016; V02DT44A024doi:https://doi.org/10.1115/GT2016-57218

Abstract

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Topics: Compressors , Reynolds-averaged Navier–Stokes equations , Corners (Structural elements) , Flow separation , Stators , Suction , Vortices , Eddies (Fluid dynamics) , Entropy , Flow (Dynamics)

Numerical Investigation of Three-Dimensional Separation in an Axial Flow Compressor: The Influence of Free-Stream Turbulence Intensity and Endwall Boundary Layer State

Ashley D. Scillitoe, Paul G. Tucker, Paolo Adami

GT 2016; V02DT44A025doi:https://doi.org/10.1115/GT2016-57241

Abstract

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Topics: Axial flow , Boundary layers , Separation (Technology) , Turbulence , Corners (Structural elements) , Flow (Dynamics) , Compressors , Suction , Bubbles , Energy dissipation

Stabilizing and Accelerating Solution of Harmonic Balance Equation System Using the LU-SGS and Block Jacobi Methods

Xiuquan Huang, Ding Xi Wang

GT 2016; V02DT44A026doi:https://doi.org/10.1115/GT2016-57292

Abstract

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Topics: Stability

An Investigation on Aerodynamics Loss Mechanism of Squealer Tips of a High Pressure Turbine Blade Using URANS

Jin-sol Jung, Okey Kwon, Changmin Son

GT 2016; V02DT44A027doi:https://doi.org/10.1115/GT2016-57313

Abstract

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Topics: Aerodynamics , High pressure (Physics) , Turbine blades , Cavities , Pressure , Suction , Turbines , Flow (Dynamics) , Geometry , Leakage flows

Investigation of Unsteady Flow Phenomena in First Vane Caused by Combustor Flow With Swirl

Simon Jacobi, Cosimo Mazzoni, Krishan Chana, Budimir Rosic

GT 2016; V02DT44A028doi:https://doi.org/10.1115/GT2016-57358

Abstract

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Topics: Combustion chambers , Flow (Dynamics) , Unsteady flow , Turbines , Design , Cascades (Fluid dynamics) , Computational fluid dynamics , Energy generation , Fluctuations (Physics) , Gas turbines

Fast High Order Large Eddy Simulations on Many Core Computing Systems for Turbomachinery

Yi Lu, Kai Liu, W. N. Dawes

GT 2016; V02DT44A029doi:https://doi.org/10.1115/GT2016-57468

Abstract

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Topics: Algorithms , Equilibrium (Physics) , Hardware , Large eddy simulation , Pressure , Turbine blades , Turbomachinery

Numerical Evaluation of the Unsteady Flow in a Centrifugal Compressor With Vaned Diffuser via URANS Approach

Ali Zamiri, Byung Ju Lee, Jin Taek Chung

GT 2016; V02DT44A030doi:https://doi.org/10.1115/GT2016-57538

Abstract

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Topics: Compressors , Diffusers , Unsteady flow , Impellers , Blades , Pressure , Noise (Sound) , Bubbles , Compression , Design

Numerical Study on the Effect of a Volute on Surge Phenomena in a Centrifugal Compressor

S. H. Jeon, D. H. Hwang, J. H. Park, C. H. Kim, J. H. Baek, H. W. Kim

GT 2016; V02DT44A031doi:https://doi.org/10.1115/GT2016-57542

Abstract

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Topics: Compressors , Surges , Flow (Dynamics) , Blades , Diffusers , Fast Fourier transforms , Flow instability , Impellers , Navier-Stokes equations , Physics

Numerical Investigation of Flow Instability in Centrifugal Pump Based on Energy Gradient Method

Lulu Zheng, Hua-Shu Dou, Xiaoping Chen, Zuchao Zhu, Baoling Cui

GT 2016; V02DT44A032doi:https://doi.org/10.1115/GT2016-57589

Abstract

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Topics: Blades , Centrifugal pumps , Computer simulation , Flow (Dynamics) , Flow instability , Gradient methods , Impellers , Pressure , Pumps , Reynolds-averaged Navier–Stokes equations

Analysis of the Unsteady Flow in Compressor Cascade With POD Method

Wang Yangang, Li Yue, Chen Junxu

GT 2016; V02DT44A033doi:https://doi.org/10.1115/GT2016-57638

Abstract

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Topics: Cascades (Fluid dynamics) , Compressors , Unsteady flow , Flow (Dynamics) , Flow separation , Vortices , Errors , Fast Fourier transforms , Gas flow , Pressure gradient

Computational Simulation of Deposition in a Cooled High-Pressure Turbine Stage With Hot Streaks

Robin Prenter, Ali Ameri, Jeffrey P. Bons

GT 2016; V02DT44A034doi:https://doi.org/10.1115/GT2016-57815

Abstract

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Topics: High pressure (Physics) , Simulation , Turbines , Particulate matter , Blades , Flow (Dynamics) , Cooling , Geometry , Pressure , Reynolds-averaged Navier–Stokes equations

A Research on Waste-Gated Turbine Performance Under Unsteady Flow Condition

Q. Deng, R. D. Burke, Q. Zhang, Ludek Pohorelsky

GT 2016; V02DT44A035doi:https://doi.org/10.1115/GT2016-57870

Abstract

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Topics: Turbines , Unsteady flow , Turbochargers , Temperature , Flow (Dynamics) , Gates (Closures) , Actuators , Dynamic response , Exhaust systems , Inertia (Mechanics)