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ASME Turbo Expo 2015: Turbine Technical Conference and Exposition

June 15–19, 2015

Montreal, Quebec, Canada

Conference Sponsors:

ISBN:

978-0-7918-5663-5

In This Volume

Axial Flow Fan and Compressor Aerodynamics (43)
Axial Flow Turbine Aerodynamics (42)

Volume 2A: Turbomachinery

Axial Flow Fan and Compressor Aerodynamics

Iterative Learning Active Flow Control Applied to a Compressor Stator Cascade With Periodic Disturbances

Simon J. Steinberg, Rudibert King, Marcel Staats, Wolfgang Nitsche

GT 2015; V02AT37A001https://doi.org/10.1115/GT2015-42008

Abstract

View Articletitled, Iterative Learning Active Flow Control Applied to a Compressor Stator Cascade With Periodic Disturbances

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Topics: Cascades (Fluid dynamics) , Compressors , Flow control , Stators , Flow (Dynamics) , Blades , Control equipment , Actuators , Combustion , Dampers

Control of Separations in a Highly-Loaded Axial Compressor Cascade by Tailored Boundary Layer Suction

Xiaochen Mao, Bo Liu, Guochen Zhang

GT 2015; V02AT37A002https://doi.org/10.1115/GT2015-42015

Abstract

View Articletitled, Control of Separations in a Highly-Loaded Axial Compressor Cascade by Tailored Boundary Layer Suction

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Topics: Boundary layers , Cascades (Fluid dynamics) , Compressors , Suction , Separation (Technology) , Flow (Dynamics) , Corners (Structural elements) , Arches , Blades , Computer simulation

Effect of Segment Endwall Boundary Layer Suction on Compressor 3D Corner Separation

Ping-Ping Chen, Wei-Yang Qiao, Karsten Liesner, Robert Meyer

GT 2015; V02AT37A003https://doi.org/10.1115/GT2015-42024

Abstract

View Articletitled, Effect of Segment Endwall Boundary Layer Suction on Compressor 3D Corner Separation

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Topics: Boundary layers , Compressors , Corners (Structural elements) , Separation (Technology) , Suction , Flow (Dynamics) , Pressure , Blades , Cascades (Fluid dynamics) , Design

Closed-Loop Active Flow Control of the Wake of a Compressor Blade by Trailing-Edge Blowing

Matthias Kiesner, Rudibert King

GT 2015; V02AT37A004https://doi.org/10.1115/GT2015-42026

Abstract

View Articletitled, Closed-Loop Active Flow Control of the Wake of a Compressor Blade by Trailing-Edge Blowing

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Topics: Blades , Compressors , Flow control , Wakes , Control equipment , Stators , Flow (Dynamics) , Cascades (Fluid dynamics) , Probes , Reynolds number

Influencing Parameters of a Tip Blowing Interacting With Rotor Tip Flow

Cyril Guinet, André Inzenhofer, Volker Gümmer

GT 2015; V02AT37A005https://doi.org/10.1115/GT2015-42039

Abstract

View Articletitled, Influencing Parameters of a Tip Blowing Interacting With Rotor Tip Flow

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Topics: Flow (Dynamics) , Rotors , Design , Compressors , Stability , Nozzles , Axial flow , Engineering simulation , Geometry , Levers

A Method for Efficient Performance Prediction for Fan and Compressor Stages With Degraded Blades

A. Giebmanns, R. Schnell, C. Werner-Spatz

GT 2015; V02AT37A006https://doi.org/10.1115/GT2015-42108

Abstract

View Articletitled, A Method for Efficient Performance Prediction for Fan and Compressor Stages With Degraded Blades

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Topics: Blades , Compressors , Engineering simulation , Geometry , Simulation , Clearances (Engineering) , Flow (Dynamics) , Rotors , Shapes

About Transonic Compressor Tandem Design: A Principle Study

A. Hergt, U. Siller

GT 2015; V02AT37A007https://doi.org/10.1115/GT2015-42115

Abstract

View Articletitled, About Transonic Compressor Tandem Design: A Principle Study

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Topics: Compressors , Design , Blades , Cascades (Fluid dynamics) , Databases , Optimization , Propulsion

Flow Analysis of 1.5 Stage Compressor With Variable-Camber Inlet Guide Vanes

Guochen Zhang, Bo Liu, Peng Zhang, Xiaochen Mao

GT 2015; V02AT37A008https://doi.org/10.1115/GT2015-42123

Abstract

View Articletitled, Flow Analysis of 1.5 Stage Compressor With Variable-Camber Inlet Guide Vanes

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Topics: Compressors , Flow (Dynamics) , Inlet guide vanes , Wakes , Rotors , Aircraft engines , Surges , Blades , Design , Particle spin

Numerical Investigation of a Cantilevered Compressor Stator at Varying Clearance Sizes

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

GT 2015; V02AT37A009https://doi.org/10.1115/GT2015-42124

Abstract

View Articletitled, Numerical Investigation of a Cantilevered Compressor Stator at Varying Clearance Sizes

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Topics: Clearances (Engineering) , Compressors , Stators , Flow (Dynamics) , Leakage flows , Rotors , Computer software , Corners (Structural elements) , Flow turning , Leakage

Effects of Nonuniform Tip Clearance on Fan Performance and Flow Field

Yingxiu Chen, Anping Hou, Mingming Zhang, Jianxiong Li, Simu Zhang

GT 2015; V02AT37A010https://doi.org/10.1115/GT2015-42133

Abstract

View Articletitled, Effects of Nonuniform Tip Clearance on Fan Performance and Flow Field

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Topics: Clearances (Engineering) , Flow (Dynamics) , Aerodynamics , Deformation , Fluid-dynamic forces , Computer simulation , Fans , Fluids , Leakage , Pressure

Investigation on Water Film Induced Profile Losses in a Compressor Cascade

Niklas Neupert, Franz Joos

GT 2015; V02AT37A011https://doi.org/10.1115/GT2015-42153

Abstract

View Articletitled, Investigation on Water Film Induced Profile Losses in a Compressor Cascade

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Topics: Cascades (Fluid dynamics) , Compressors , Water , Surface roughness , Airfoils , Blades , Modeling , Aerodynamics , Air flow , Computational fluid dynamics

Active Control of the Corner Separation on a Highly Loaded Compressor Cascade With Periodic Non-Steady Boundary Conditions by Means of Fluidic Actuators

Marcel Staats, Wolfgang Nitsche

GT 2015; V02AT37A012https://doi.org/10.1115/GT2015-42161

Abstract

View Articletitled, Active Control of the Corner Separation on a Highly Loaded Compressor Cascade With Periodic Non-Steady Boundary Conditions by Means of Fluidic Actuators

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Topics: Actuators , Boundary-value problems , Cascades (Fluid dynamics) , Compressors , Corners (Structural elements) , Separation (Technology) , Flow (Dynamics) , Pressure , Stators , Wakes

Aerodynamic Investigations of an Advanced VIGV Design of Adjustable Geometry for Very High Flow Turning

David Händel, Reinhard Niehuis, Jan Klausmann

GT 2015; V02AT37A013https://doi.org/10.1115/GT2015-42166

Abstract

View Articletitled, Aerodynamic Investigations of an Advanced VIGV Design of Adjustable Geometry for Very High Flow Turning

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Topics: Design , Flow turning , Geometry , Sealing (Process) , Flow (Dynamics) , Pressure , Cascades (Fluid dynamics) , Compressors , Flow separation , Inflow

Active Flow Separation Control Using Endwall Vortex Generator Jets in Highly Loaded Compressor Cascades

Yanyan Feng, Yanping Song, Fu Chen, Huaping Liu

GT 2015; V02AT37A014https://doi.org/10.1115/GT2015-42268

Abstract

View Articletitled, Active Flow Separation Control Using Endwall Vortex Generator Jets in Highly Loaded Compressor Cascades

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Topics: Compressors , Flow separation , Generators , Jets , Vortices , Flow (Dynamics) , Boundary layers , Cascades (Fluid dynamics) , Flow control , Fluids

Effects of Vortex Generator Jet on Flow Separations in Bowed Compressor Cascades

Longting Li, Yanping Song, Fu Chen, Huaping Liu

GT 2015; V02AT37A015https://doi.org/10.1115/GT2015-42308

Abstract

View Articletitled, Effects of Vortex Generator Jet on Flow Separations in Bowed Compressor Cascades

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Topics: Compressors , Flow separation , Generators , Vortices , Blades , Flow (Dynamics) , Separation (Technology) , Suction , Corners (Structural elements) , Flow control

Transient Behavior in Axial Compressors in Event of Ice Shed

Swati Saxena, Rajkeshar Singh, Andrew Breeze-Stringfellow, Tsuguji Nakano

GT 2015; V02AT37A016https://doi.org/10.1115/GT2015-42413

Abstract

View Articletitled, Transient Behavior in Axial Compressors in Event of Ice Shed

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Topics: Compressors , Ice , Transients (Dynamics) , Dynamics (Mechanics) , Engines , Stall inception , Aviation , Blades , Design , Energy budget (Physics)

Design of an Aspirated Compressor Stator by Means of DoE

Jan Siemann, Joerg R. Seume

GT 2015; V02AT37A017https://doi.org/10.1115/GT2015-42474

Abstract

View Articletitled, Design of an Aspirated Compressor Stator by Means of DoE

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Topics: Compressors , Design , Experimental design , Stators , Corners (Structural elements) , Pressure , Separation (Technology) , Computational fluid dynamics , Dimensions , Fluids

Study of Effects of Rotor Tip Tailoring in Axial Flow Compressors

Chaitanya V. Halbe, Yashovardhan S. Chati, Jubin Tom George, A. M. Pradeep, Bhaskar Roy, Hong Yu, Peter Townsend

GT 2015; V02AT37A018https://doi.org/10.1115/GT2015-42520

Abstract

View Articletitled, Study of Effects of Rotor Tip Tailoring in Axial Flow Compressors

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Topics: Axial flow , Compressors , Rotors , Clearances (Engineering) , Blades , Computational fluid dynamics , Design , Flow (Dynamics) , Pressure drop , Simulation results

Evaluation of Experimental Data From a Highly Loaded Transonic Compressor Stage to Determine Loss Sources

David P. Lurie, Andrew Breeze-Stringfellow

GT 2015; V02AT37A019https://doi.org/10.1115/GT2015-42526

Abstract

View Articletitled, Evaluation of Experimental Data From a Highly Loaded Transonic Compressor Stage to Determine Loss Sources

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Topics: Compressors , Wakes , Rotors , Stators , Entropy , Fluids , Computational fluid dynamics , Design , Instrumentation , Machinery

Automated Calibration of Compressor Loss and Deviation Correlations

Markus Schnoes, Eberhard Nicke

GT 2015; V02AT37A020https://doi.org/10.1115/GT2015-42644

Abstract

View Articletitled, Automated Calibration of Compressor Loss and Deviation Correlations

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Topics: Calibration , Compressors , Design , Airfoils , Cascades (Fluid dynamics) , Computational fluid dynamics , Flow (Dynamics) , Simulation , Mach number , Reynolds number

Experimental Investigation of Circumferential Groove Casing Treatments for Large Tip Clearances in a Low Speed Axial Research Compressor

Matthias Rolfes, Martin Lange, Konrad Vogeler

GT 2015; V02AT37A021https://doi.org/10.1115/GT2015-42646

Abstract

View Articletitled, Experimental Investigation of Circumferential Groove Casing Treatments for Large Tip Clearances in a Low Speed Axial Research Compressor

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Topics: Compressors , Rotors , Annulus , Chords (Trusses) , Clearances (Engineering) , Flow (Dynamics) , High pressure (Physics) , Probes , Transients (Dynamics)

Analysis and Comparison of Clean vs Inlet Distortion Flow Physics at Design Operating Condition Using Proper Orthogonal Decomposition

Ronald A. Spencer, Steven E. Gorrell, Matthew R. Jones, Earl P. N. Duque

GT 2015; V02AT37A022https://doi.org/10.1115/GT2015-42720

Abstract

View Articletitled, Analysis and Comparison of Clean vs Inlet Distortion Flow Physics at Design Operating Condition Using Proper Orthogonal Decomposition

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Topics: Design , Flow (Dynamics) , Physics , Principal component analysis , Pressure , Shock (Mechanics) , Fluctuations (Physics) , Rotors , Shock waves , Simulation results

Experimental Results of the First Two Stages of an Advanced Transonic Core Compressor Under Isolated and Multi-Stage Conditions

Patricia S. Prahst, Sameer Kulkarni, Ki H. Sohn

GT 2015; V02AT37A023https://doi.org/10.1115/GT2015-42727

Abstract

View Articletitled, Experimental Results of the First Two Stages of an Advanced Transonic Core Compressor Under Isolated and Multi-Stage Conditions

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Topics: Compressors , Pressure , Rotors , Design , Engines , High pressure (Physics) , Shock (Mechanics) , Aviation , Computational fluid dynamics , Fluid dynamics

Desensitization of Axial Compressor Performance and Stability to Tip Clearance Size

Engin Erler, Huu Duc Vo, Hong Yu

GT 2015; V02AT37A024https://doi.org/10.1115/GT2015-42746

Abstract

View Articletitled, Desensitization of Axial Compressor Performance and Stability to Tip Clearance Size

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Topics: Clearances (Engineering) , Compressors , Stability , Flow (Dynamics) , Rotors , Momentum , Design , Geometry , Leakage , Physics

Parametric Study for Lossless Casing Treatment on a Mixed-Flow Compressor Rotor

Noureddine Djeghri, Huu Duc Vo, Hong Yu

GT 2015; V02AT37A025https://doi.org/10.1115/GT2015-42750

Abstract

View Articletitled, Parametric Study for Lossless Casing Treatment on a Mixed-Flow Compressor Rotor

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Topics: Compressors , Flow (Dynamics) , Rotors , Design , Geometry , Shapes , Subsonic flow

New Profile Loss Model for Improved Prediction of Transonic Axial Flow Compressor Performance in Choking Region

Sangjo Kim, Donghyun Kim, Kuisoon Kim, Changmin Son, Myungho Kim, Seongki Min

GT 2015; V02AT37A026https://doi.org/10.1115/GT2015-42797

Abstract

View Articletitled, New Profile Loss Model for Improved Prediction of Transonic Axial Flow Compressor Performance in Choking Region

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Topics: Axial flow , Compressors , Computational fluid dynamics , Design , Flow (Dynamics) , Geometry , Mach number , Pressure

Aerodynamic Redesign of a 5-Stage Axial Compressor by Re-Stagger and Bow

Tao Ning, Chun-wei Gu, Xiao-tang Li, Tai-qiu Liu, Yao-bing Xiao

GT 2015; V02AT37A027https://doi.org/10.1115/GT2015-42877

Abstract

View Articletitled, Aerodynamic Redesign of a 5-Stage Axial Compressor by Re-Stagger and Bow

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Topics: Compressors , Computational fluid dynamics , Pressure , Stators , Optimization , Separation (Technology)

Analysis of Turbofan Performance Under Total Pressure Distortion at Various Operating Points

David B. Weston, Steven E. Gorrell, Matthew L. Marshall, Carol V. Wallis

GT 2015; V02AT37A028https://doi.org/10.1115/GT2015-42879

Abstract

View Articletitled, Analysis of Turbofan Performance Under Total Pressure Distortion at Various Operating Points

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Topics: Pressure , Turbofans , Blades , Temperature , Engineering simulation , Simulation , Computational fluid dynamics , Rotors , Annulus , Chords (Trusses)

Investigation of Corner Separation in a Linear Compressor Cascade Using DDES

Yangwei Liu, Hao Yan, Lipeng Lu

GT 2015; V02AT37A029https://doi.org/10.1115/GT2015-42902

Abstract

View Articletitled, Investigation of Corner Separation in a Linear Compressor Cascade Using DDES

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Topics: Cascades (Fluid dynamics) , Compressors , Corners (Structural elements) , Delay differential equations , Separation (Technology) , Flow (Dynamics) , Eddies (Fluid dynamics) , Vortices , Blades , Simulation

The Effect of Aspect Ratio on Compressor Performance

Ho-On To, Robert J. Miller

GT 2015; V02AT37A030https://doi.org/10.1115/GT2015-43016

Abstract

View Articletitled, The Effect of Aspect Ratio on Compressor Performance

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Topics: Compressors , Flow (Dynamics) , Blades , Cantilevers , Clearances (Engineering) , Errors , Separation (Technology)

Stall Inception in a Boundary Layer Ingesting Fan

D. Perovic, C. A. Hall, E. J. Gunn

GT 2015; V02AT37A031https://doi.org/10.1115/GT2015-43025

Abstract

View Articletitled, Stall Inception in a Boundary Layer Ingesting Fan

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Topics: Boundary layers , Stall inception , Rotors , Annulus , Stability , Flow (Dynamics) , Aircraft , Engines , Fans , Flow separation

Simulation of Tip-Clearance Effects in a Transonic Compressor

Marcus Lejon, Niklas Andersson, Lars-Erik Eriksson, Lars Ellbrant

GT 2015; V02AT37A032https://doi.org/10.1115/GT2015-43033

Abstract

View Articletitled, Simulation of Tip-Clearance Effects in a Transonic Compressor

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Topics: Clearances (Engineering) , Compressors , Simulation , Modeling , Flow (Dynamics) , Turbulence , Pressure , Rotors , Chords (Trusses) , Computational fluid dynamics

Effects of Vortex-Vortex Interaction in a Compressor Cascade With Vortex Generators

Tan Zheng, Xiaoqing Qiang, Jinfang Teng

GT 2015; V02AT37A033https://doi.org/10.1115/GT2015-43042

Abstract

View Articletitled, Effects of Vortex-Vortex Interaction in a Compressor Cascade With Vortex Generators

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Topics: Cascades (Fluid dynamics) , Compressors , Generators , Vortices , Corners (Structural elements) , Flow (Dynamics) , Separation (Technology) , Engineering simulation , Reynolds-averaged Navier–Stokes equations , Simulation

Experimental and Numerical Investigations of the Solidity Effect on a Linear Compressor Cascade

J. Sans, J.-F. Brouckaert, S. Hiernaux

GT 2015; V02AT37A034https://doi.org/10.1115/GT2015-43204

Abstract

View Articletitled, Experimental and Numerical Investigations of the Solidity Effect on a Linear Compressor Cascade

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Topics: Cascades (Fluid dynamics) , Compressors , Design , Pressure , Blades , Diffusion (Physics) , Chords (Trusses) , Computation , Mach number , Stators

Competing 3D Mechanisms in Compressor Flows

James V. Taylor, Robert J. Miller

GT 2015; V02AT37A035https://doi.org/10.1115/GT2015-43322

Abstract

View Articletitled, Competing 3D Mechanisms in Compressor Flows

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Topics: Compressors , Flow (Dynamics) , Design , Pressure gradient , Blades , Aerodynamics , Chords (Trusses) , Corners (Structural elements) , Risk , Separation (Technology)

The Three Dimensional Flow Structure and Turbulence in the Tip Region of an Axial Flow Compressor

David Tan, Yuanchao Li, Huang Chen, Ian Wilkes, Joseph Katz

GT 2015; V02AT37A036https://doi.org/10.1115/GT2015-43385

Abstract

View Articletitled, The Three Dimensional Flow Structure and Turbulence in the Tip Region of an Axial Flow Compressor

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Topics: Axial flow , Flow (Dynamics) , Turbulence , Shear (Mechanics) , Blades , Compressors , Leakage flows , Corners (Structural elements) , Transparency , Vortices

Effects of Unsteady Flow Interactions on the Performance of a Highly-Loaded Transonic Compressor Stage

Chunill Hah

GT 2015; V02AT37A037https://doi.org/10.1115/GT2015-43389

Abstract

View Articletitled, Effects of Unsteady Flow Interactions on the Performance of a Highly-Loaded Transonic Compressor Stage

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Topics: Compressors , Unsteady flow , Stators , Pressure , Blades , Wakes , Rotors , Flow (Dynamics) , Reynolds-averaged Navier–Stokes equations , Suction

Controlling Corner Stall Separation With Plasma Actuators in a Compressor Cascade

Eray Akcayoz, Huu Duc Vo, Ali Mahallati

GT 2015; V02AT37A038https://doi.org/10.1115/GT2015-43404

Abstract

View Articletitled, Controlling Corner Stall Separation With Plasma Actuators in a Compressor Cascade

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Topics: Actuators , Cascades (Fluid dynamics) , Compressors , Corners (Structural elements) , Plasmas (Ionized gases) , Separation (Technology) , Computational fluid dynamics , Engineering simulation , Simulation , Flow (Dynamics)

Measured Heat Transfer in a Transonic Fan Rig at Casing With Implications on Performance

Mark G. Turner, Ahmed Nemnem, Anthony J. Gannon, Garth V. Hobson, Wolfgang Sanz

GT 2015; V02AT37A039https://doi.org/10.1115/GT2015-43482

Abstract

View Articletitled, Measured Heat Transfer in a Transonic Fan Rig at Casing With Implications on Performance

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Topics: Heat transfer , Rotors , Pressure , Temperature , Boundary-value problems , Compressors , Computational fluid dynamics , Exterior walls , Heat , Heat transfer coefficients

Performance of a Splittered Transonic Rotor With Several Tip Clearances

Anthony J. Gannon, Garth V. Hobson, Mark G. Turner, Wolfgang Sanz

GT 2015; V02AT37A040https://doi.org/10.1115/GT2015-43799

Abstract

View Articletitled, Performance of a Splittered Transonic Rotor With Several Tip Clearances

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Topics: Rotors , Pressure , Blades , Flow (Dynamics) , Geometry , Cavities , Clearances (Engineering) , Compressors , Fans , Gas turbines

Advanced Axial Compressor Airfoils Design and Optimization

Bin Jiang, Qun Zheng, Hai Zhang, Xiaolong Zhang, Zhongliang Chen, Yi Qiu, Mingshi Li

GT 2015; V02AT37A041https://doi.org/10.1115/GT2015-43846

Abstract

View Articletitled, Advanced Axial Compressor Airfoils Design and Optimization

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Topics: Airfoils , Compressors , Design , Optimization , Blades , Flow (Dynamics) , Optimization algorithms , Reynolds number , Aircraft engines , Boundary layers

Numerical Analysis on Axial Compressor Stage Performance With Vortex Generators

Ruchika Agarwal, Sridharan R. Narayanan, Shraman N. Goswami, Balamurugan Srinivasan

GT 2015; V02AT37A042https://doi.org/10.1115/GT2015-43897

Abstract

View Articletitled, Numerical Analysis on Axial Compressor Stage Performance With Vortex Generators

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Topics: Compressors , Generators , Numerical analysis , Vortices , Flow (Dynamics) , Blades , NASA , Rotors , Stators , Axial flow

Investigation of Axial Spacing and Effect of Interface Location in a 1.5 Stage Transonic Axial Compressor

Jaeho Choi, Taewoo Choi

GT 2015; V02AT37A043https://doi.org/10.1115/GT2015-44020

Abstract

View Articletitled, Investigation of Axial Spacing and Effect of Interface Location in a 1.5 Stage Transonic Axial Compressor

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Topics: Compressors , Rotors , Inlet guide vanes , Design , Flow (Dynamics) , Fluids , Gas turbines , Numerical analysis , Shock waves , Stators

Axial Flow Turbine Aerodynamics

Experimental Test Rig for Combustor-Turbine Interaction Research and Test Results Analysis

Hong Yin, Shi Liu, Yongxin Feng, Mingfei Li, Jing Ren, Hongde Jiang

GT 2015; V02AT38A001https://doi.org/10.1115/GT2015-42209

Abstract

View Articletitled, Experimental Test Rig for Combustor-Turbine Interaction Research and Test Results Analysis

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Topics: Combustion chambers , Turbines , Film cooling , Cooling systems , Flow (Dynamics) , Pressure , Combustion technologies , Gas turbines , Inflow , Paints

Impact of Passive Tip-Injection on Tip-Leakage Flow in Axial Low Pressure Turbine Stage

Pouya Ghaffari, Reinhard Willinger, Sabine Bauinger, Andreas Marn

GT 2015; V02AT38A002https://doi.org/10.1115/GT2015-42226

Abstract

View Articletitled, Impact of Passive Tip-Injection on Tip-Leakage Flow in Axial Low Pressure Turbine Stage

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Topics: Flow (Dynamics) , Leakage , Pressure , Turbines , Blades , Computational fluid dynamics , Boundary-value problems , Compressible flow , Computer simulation , Machinery

Unsteady Analysis of Inter-Rows Stator-Rotor Spacing Effects on a Transonic, Low-Aspect Ratio Turbine

Etienne Tang, Gilles Leroy, Mickaël Philit, Jacques Demolis

GT 2015; V02AT38A003https://doi.org/10.1115/GT2015-42227

Abstract

View Articletitled, Unsteady Analysis of Inter-Rows Stator-Rotor Spacing Effects on a Transonic, Low-Aspect Ratio Turbine

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Topics: Rotors , Stators , Turbines , Blades , Flow (Dynamics) , Computation , Computational fluid dynamics , Entropy , High pressure (Physics) , Reynolds-averaged Navier–Stokes equations

Large Eddy Simulation of Boundary Layer Separation and Reattachment in a LPT Blade at Different Incidence Angles

Yunfei Wang, Huaping Liu, Yanping Song, Fu Chen

GT 2015; V02AT38A004https://doi.org/10.1115/GT2015-42264

Abstract

View Articletitled, Large Eddy Simulation of Boundary Layer Separation and Reattachment in a LPT Blade at Different Incidence Angles

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Topics: Blades , Boundary layers , Large eddy simulation , Separation (Technology) , Bubbles , Suction , Chords (Trusses) , Flow (Dynamics) , Pressure , Turbulence

A New Test Facility to Investigate Film Cooling on a Non-Axisymmetric Contoured Turbine Endwall: Part I — Introduction and Aerodynamic Measurements

Franz Puetz, Johannes Kneer, Achmed Schulz, Hans-Joerg Bauer

GT 2015; V02AT38A005https://doi.org/10.1115/GT2015-42272

Abstract

View Articletitled, A New Test Facility to Investigate Film Cooling on a Non-Axisymmetric Contoured Turbine Endwall: Part I — Introduction and Aerodynamic Measurements

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Topics: Film cooling , Test facilities , Turbines , Flow (Dynamics) , Heat transfer , Emissions , Pressure , Aircraft engines , Blades , Cascades (Fluid dynamics)

Low-Pressure Turbine Cascade Performance Calculations With Incidence Variation and Periodic Unsteady Inflow Conditions

Michele Marconcini, Roberto Pacciani, Andrea Arnone, Francesco Bertini

GT 2015; V02AT38A006https://doi.org/10.1115/GT2015-42276

Abstract

View Articletitled, Low-Pressure Turbine Cascade Performance Calculations With Incidence Variation and Periodic Unsteady Inflow Conditions

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Topics: Cascades (Fluid dynamics) , Inflow , Pressure , Turbines , Boundary-value problems , Design , Flow (Dynamics) , Reynolds number , Boundary layers , Computation

Aerodynamic Implications of Reduced Vane Count

Ranjan Saha, Jens Fridh, Mats Annerfeldt

GT 2015; V02AT38A007https://doi.org/10.1115/GT2015-42409

Abstract

View Articletitled, Aerodynamic Implications of Reduced Vane Count

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Topics: Blades , Cascades (Fluid dynamics) , Combined cycles , Cooling , Design , Engines , Flow (Dynamics) , Fossil fuels , Fuels , Gas turbines

Formation and Transport of Secondary Flows Caused by Vortex-Blade Interaction in a High Pressure Turbine

Zuo-Jun Wei, Wei-Yang Qiao, Ping-Ping Chen, Jian Liu

GT 2015; V02AT38A008https://doi.org/10.1115/GT2015-42426

Abstract

View Articletitled, Formation and Transport of Secondary Flows Caused by Vortex-Blade Interaction in a High Pressure Turbine

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Topics: Blades , Flow (Dynamics) , High pressure (Physics) , Turbines , Vortices , Suction , Stators , Pressure , Boundary layers , Fluids

Influence of Turbulent Flow Characteristics and Coherent Vortices on the Pressure Recovery of Annular Diffusers: Part A — Experimental Results

Marcus Kuschel, Bastian Drechsel, David Kluß, Joerg R. Seume

GT 2015; V02AT38A009https://doi.org/10.1115/GT2015-42476

Abstract

View Articletitled, Influence of Turbulent Flow Characteristics and Coherent Vortices on the Pressure Recovery of Annular Diffusers: Part A — Experimental Results

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Topics: Diffusers , Pressure , Turbulence , Vortices , Turbines , Boundary layers , Design , Flow (Dynamics) , High pressure (Physics) , Outflow

Influence of Turbulent Flow Characteristics and Coherent Vortices on the Pressure Recovery of Annular Diffusers: Part B — Scale-Resolving Simulations

Bastian Drechsel, Christoph Müller, Florian Herbst, Joerg R. Seume

GT 2015; V02AT38A010https://doi.org/10.1115/GT2015-42477

Abstract

View Articletitled, Influence of Turbulent Flow Characteristics and Coherent Vortices on the Pressure Recovery of Annular Diffusers: Part B — Scale-Resolving Simulations

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Topics: Diffusers , Engineering simulation , Pressure , Simulation , Turbulence , Vortices , Boundary layers , Flow (Dynamics) , Rotors , Computational fluid dynamics

Rapid Airfoil Design for Uncooled High Pressure Turbine Blades

Niloofar Moradi, Edward Vlasic, Hany Moustapha

GT 2015; V02AT38A011https://doi.org/10.1115/GT2015-42514

Abstract

View Articletitled, Rapid Airfoil Design for Uncooled High Pressure Turbine Blades

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Topics: Airfoils , Design , High pressure (Physics) , Turbine blades , Shapes , Turbines , Aerodynamics , Engineering disciplines , Vibration , Aircraft engines

Aerodynamic Optimization of the Gas Outlet Casing of the Axial Turbine Stage in a Turbocharger With Experimental Validation

K. K. So, A. Sofia, M. Fischer, B. A. Phillipsen

GT 2015; V02AT38A012https://doi.org/10.1115/GT2015-42586

Abstract

View Articletitled, Aerodynamic Optimization of the Gas Outlet Casing of the Axial Turbine Stage in a Turbocharger With Experimental Validation

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Topics: Optimization , Turbines , Turbochargers , Computational fluid dynamics , Diffusers , Flow (Dynamics) , Geometry , Pressure , Design , Flanges

Steady and Unsteady CFD Calculation of the Laminar-to-Turbulent Transition in a Turning Mid Turbine Frame With Embedded Design

Pascal Bader, Wolfgang Sanz

GT 2015; V02AT38A013https://doi.org/10.1115/GT2015-42617

Abstract

View Articletitled, Steady and Unsteady CFD Calculation of the Laminar-to-Turbulent Transition in a Turning Mid Turbine Frame With Embedded Design

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Topics: Computational fluid dynamics , Design , Turbines , Turbulence , Turning , Ducts , Flow (Dynamics) , Pressure , Rotors , Boundary layers

Dynamics and Turbulence Characteristics of Wake-Boundary Layer Interaction in a Low Pressure Turbine Blade

M. Berrino, D. Lengani, D. Simoni, M. Ubaldi, P. Zunino, F. Bertini

GT 2015; V02AT38A014https://doi.org/10.1115/GT2015-42626

Abstract

View Articletitled, Dynamics and Turbulence Characteristics of Wake-Boundary Layer Interaction in a Low Pressure Turbine Blade

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Topics: Dynamics (Mechanics) , Pressure , Turbine blades , Turbulence , Wakes , Blades , Boundary layers , Eigenvalues , Cascades (Fluid dynamics) , Flow (Dynamics)

The Dissipation Function-Based Efficiency for Turbomachinery: Part 2 — The Power of a Cooled Turbine

Chong M. Cha

GT 2015; V02AT38A015https://doi.org/10.1115/GT2015-42660

Abstract

View Articletitled, The Dissipation Function-Based Efficiency for Turbomachinery: Part 2 — The Power of a Cooled Turbine

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Topics: Energy dissipation , Turbines , Turbomachinery , Cooling , Flow (Dynamics) , Design

Impact of Turbine Blade Internal Cooling on Aerodynamic Loss

Vladimir Vassiliev, Andrey Granovskiy, Nikolai Lomakin

GT 2015; V02AT38A016https://doi.org/10.1115/GT2015-42696

Abstract

View Articletitled, Impact of Turbine Blade Internal Cooling on Aerodynamic Loss

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Topics: Cooling , Turbine blades , Heat transfer , Blades , Coolants , Flow (Dynamics) , Gas turbines , Turbines , Boundary layers , Combustion chambers

Effect of Various Tip Clearance Squealer Design on Turbine Stage Efficiency

Nikolay Lomakin, Andrey Granovskiy, Vladimir Shchaulov, Jaroslaw Szwedowicz

GT 2015; V02AT38A017https://doi.org/10.1115/GT2015-42726

Abstract

View Articletitled, Effect of Various Tip Clearance Squealer Design on Turbine Stage Efficiency

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Topics: Clearances (Engineering) , Design , Turbines , Cavities , Aerodynamics , Blades , Cascades (Fluid dynamics) , Computational fluid dynamics , Flow (Dynamics) , Leakage

Analysis on the Reduction of Rotor Blade Vibration Using Asymmetric Vane Spacing

Tianrui Sun, Anping Hou, Mingming Zhang, Yonghong Niu, Jian Gao, Haoyan Guo

GT 2015; V02AT38A018https://doi.org/10.1115/GT2015-42778

Abstract

View Articletitled, Analysis on the Reduction of Rotor Blade Vibration Using Asymmetric Vane Spacing

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Topics: Blades , Rotors , Vibration , Stress , Turbines , Aerodynamics , Design , Fatigue life , Fluid-dynamic forces , Deformation

Analysis of Laminar-Turbulent Transition of a Low-Loss Generic Low Pressure Turbine Distribution

Christian Brück, Christoph Lyko, Dieter Peitsch, Christoph Bode, Jens Friedrichs, Dragan Kožulović, Andreas Fiala, Yavuz Guendogdu

GT 2015; V02AT38A019https://doi.org/10.1115/GT2015-42824

Abstract

View Articletitled, Analysis of Laminar-Turbulent Transition of a Low-Loss Generic Low Pressure Turbine Distribution

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Topics: Pressure , Turbines , Turbulence , Reynolds number , Blades , Engines , Geometry , Reynolds-averaged Navier–Stokes equations , Suction , Turbofans

A Study of Trailing-Edge Losses in Organic Rankine Cycle Turbines

Francisco J. Durá Galiana, Andrew P. S. Wheeler, Jonathan Ong

GT 2015; V02AT38A020https://doi.org/10.1115/GT2015-42920

Abstract

View Articletitled, A Study of Trailing-Edge Losses in Organic Rankine Cycle Turbines

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Topics: Organic Rankine cycle , Turbines , Flow (Dynamics) , Shock (Mechanics) , Computational fluid dynamics , Engineering simulation , Simulation , Supersonic flow

Numerical Investigation of Non-Axisymmetric Endwalls in a High Pressure Axial Flow Turbine

Zhenzhe Na, Bo Liu

GT 2015; V02AT38A021https://doi.org/10.1115/GT2015-42970

Abstract

View Articletitled, Numerical Investigation of Non-Axisymmetric Endwalls in a High Pressure Axial Flow Turbine

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Topics: Axial flow , High pressure (Physics) , Turbines , Flow (Dynamics) , Optimization , Rotors , Stators , Design , Vortices , Artificial neural networks

Large Eddy Simulations of Separated Shear Layer Behaviors in a High-Lift LP Turbine

Weihao Zhang, Zhengping Zou, Jian Ye

GT 2015; V02AT38A022https://doi.org/10.1115/GT2015-43054

Abstract

View Articletitled, Large Eddy Simulations of Separated Shear Layer Behaviors in a High-Lift LP Turbine

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Topics: Large eddy simulation , Shear (Mechanics) , Turbines , Vortices , Chords (Trusses) , Flow (Dynamics) , Mach number , Outflow , Pressure , Reynolds number

Application of Pinniped Vibrissae to Aeropropulsion

Vikram Shyam, Ali Ameri, Philip Poinsatte, Douglas Thurman, Adam Wroblewski, Christopher Snyder

GT 2015; V02AT38A023https://doi.org/10.1115/GT2015-43055

Abstract

View Articletitled, Application of Pinniped Vibrissae to Aeropropulsion

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Topics: Aircraft , Blades , Cascades (Fluid dynamics) , Chords (Trusses) , Computational fluid dynamics , Computerized tomography , Cylinders , Drag (Fluid dynamics) , Engineering simulation , Fuels

Design of an Air-Starter Turbine and Starting Performance Prediction Through the Numerical Analysis

JaeHyeon Park, Sooyoung Park, JeHyun Baek

GT 2015; V02AT38A024https://doi.org/10.1115/GT2015-43062

Abstract

View Articletitled, Design of an Air-Starter Turbine and Starting Performance Prediction Through the Numerical Analysis

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Topics: Design , Numerical analysis , Turbines , Engines , Blades , Compressed air , Electric motors , Flow (Dynamics) , Nozzles , Particle spin

Secondary Deviation and Unsteady Blockage in an LP Turbine due to Off-Design Operation

Martin Lipfert, Martin Marx, Jan Habermann, Martin G. Rose, Stephan Staudacher, Yavuz Guendogdu, Udo Freygang

GT 2015; V02AT38A025https://doi.org/10.1115/GT2015-43118

Abstract

View Articletitled, Secondary Deviation and Unsteady Blockage in an LP Turbine due to Off-Design Operation

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Topics: Design , Turbines , Flow (Dynamics) , Nozzle guide vanes , Cross-flow , Engineering simulation , Engines , Flight , Fluids , Pressure

Some Experiences About the Impact of Unsteadiness in Turbine Flows

Juri Bellucci, Filippo Rubechini, Andrea Arnone

GT 2015; V02AT38A026https://doi.org/10.1115/GT2015-43122

Abstract

View Articletitled, Some Experiences About the Impact of Unsteadiness in Turbine Flows

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Topics: Flow (Dynamics) , Turbines , Steady state , Design , Rotors , Stators , Aerodynamics , Approximation , Blades , Fluids

Direct Numerical Simulations of a High Pressure Turbine Vane

Andrew P. S. Wheeler, Richard D. Sandberg, Neil D. Sandham, Richard Pichler, Vittorio Michelassi, Greg Laskowski

GT 2015; V02AT38A027https://doi.org/10.1115/GT2015-43133

Abstract

View Articletitled, Direct Numerical Simulations of a High Pressure Turbine Vane

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Topics: Computer simulation , High pressure (Physics) , Turbines , Turbulence , Flow (Dynamics) , Heat transfer , Energy dissipation , Mach number , Physics , Reynolds number

Variable Geometry Design of a High Endwall Angle Power Turbine for Marine Gas Turbines

Jie Gao, Qun Zheng, Guoqiang Yue, Fukai Wang

GT 2015; V02AT38A028https://doi.org/10.1115/GT2015-43173

Abstract

View Articletitled, Variable Geometry Design of a High Endwall Angle Power Turbine for Marine Gas Turbines

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Topics: Design , Geometry , Marine gas turbines , Turbines , Leakage , Clearances (Engineering) , Annulus , Cavities , Gas turbines , Numerical analysis

Flow Evolution in a One and a Half Axial Steam Turbine Stage Under Different Operating Conditions

Berardo Paradiso, Alessandro Mora, Vincenzo Dossena, Giacomo Gatti, Andrea Nesti, Lorenzo Arcangeli, Nicola Maceli

GT 2015; V02AT38A029https://doi.org/10.1115/GT2015-43201

Abstract

View Articletitled, Flow Evolution in a One and a Half Axial Steam Turbine Stage Under Different Operating Conditions

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Topics: Flow (Dynamics) , Steam turbines , Probes , Rotors , Stators , Inlet guide vanes , Pressure , Computational fluid dynamics , Design , Experimental methods

Development and Aerothermal Investigation of Integrated Combustor Vane Concept

Simon Jacobi, Budimir Rosic

GT 2015; V02AT38A030https://doi.org/10.1115/GT2015-43217

Abstract

View Articletitled, Development and Aerothermal Investigation of Integrated Combustor Vane Concept

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Topics: Combustion chambers , Computational fluid dynamics , Cooling , Engineering simulation , Simulation , Gas turbines , Aerodynamics , Boundary layers , Cascades (Fluid dynamics) , Design

Vortexing Methods to Reduce Secondary Losses in a Low Reaction Industrial Turbine

Srikanth Deshpande, Marcus Thern, Magnus Genrup

GT 2015; V02AT38A031https://doi.org/10.1115/GT2015-43235

Abstract

View Articletitled, Vortexing Methods to Reduce Secondary Losses in a Low Reaction Industrial Turbine

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Topics: Blades , Design , Pressure , Reynolds-averaged Navier–Stokes equations , Rotors , Steady state , Steam turbines , Turbines , Vortices

A Large Scale Turbine Test Rig for the Investigation of High Pressure Turbine Aerodynamics and Heat Transfer With Variable Inflow Conditions

Alexander Krichbaum, Holger Werschnik, Manuel Wilhelm, Heinz-Peter Schiffer, Knut Lehmann

GT 2015; V02AT38A032https://doi.org/10.1115/GT2015-43261

Abstract

View Articletitled, A Large Scale Turbine Test Rig for the Investigation of High Pressure Turbine Aerodynamics and Heat Transfer With Variable Inflow Conditions

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Topics: Aerodynamics , Heat transfer , High pressure (Physics) , Inflow , Turbines , Flow (Dynamics) , Combustion chambers , Cooling , Nozzle guide vanes , Rotors

Loss Audit of a Turbine Stage

Sungho Yoon, Thomas Vandeputte, Hiteshkumar Mistry, Jonathan Ong, Alexander Stein

GT 2015; V02AT38A033https://doi.org/10.1115/GT2015-43349

Abstract

View Articletitled, Loss Audit of a Turbine Stage

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Topics: Turbines , Rotors , Stators , Leakage , Blades , Cooling , Design , Entropy , Machinery

The Role of Three-Dimensional Interactions in Fluidic Control of Shock-Induced Separation on a Transonic Turbine Blade

Chiara Bernardini, Craig Sacco, Jeffrey P. Bons, Jen-Ping Chen, Francesco Martelli

GT 2015; V02AT38A034https://doi.org/10.1115/GT2015-43395

Abstract

View Articletitled, The Role of Three-Dimensional Interactions in Fluidic Control of Shock-Induced Separation on a Transonic Turbine Blade

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Topics: Separation (Technology) , Shock (Mechanics) , Turbine blades , Reynolds-averaged Navier–Stokes equations , Blades , Flow (Dynamics) , Jets , Pressure , Vortices , Engineering simulation

Capabilities of Thermal Wall Functions to Predict Heat Transfer on the NGVs of a Gas Turbine With Multiple Can Combustors

Cosimo Maria Mazzoni, Salvador Luque, Budimir Rosic

GT 2015; V02AT38A035https://doi.org/10.1115/GT2015-43515

Abstract

View Articletitled, Capabilities of Thermal Wall Functions to Predict Heat Transfer on the NGVs of a Gas Turbine With Multiple Can Combustors

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Topics: Combustion chambers , Gas turbines , Heat transfer , Flow (Dynamics) , Cascades (Fluid dynamics) , Computational fluid dynamics , Turbines , Advanced materials , Boundary layers , Combustion systems

Effects of Shroud Asymmetry on the Turbine Tip Shroud Cavity Flow Field

Timothy R. Palmer, Choon S. Tan, Matthew Montgomery, Anthony Malandra, David Little, Humberto Zuniga, Kunyuan Zhou

GT 2015; V02AT38A036https://doi.org/10.1115/GT2015-43721

Abstract

View Articletitled, Effects of Shroud Asymmetry on the Turbine Tip Shroud Cavity Flow Field

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Topics: Cavity flows , Turbines , Cavities , Flow (Dynamics) , Vortices , Computation , Rotors , Vorticity

Requirements and Limitations of Controlling Turbine Tip Shroud Cavity Flow Mixing With Bladelets on Rotating Shroud

Timothy R. Palmer, Choon S. Tan, Matthew Montgomery, Anthony Malandra, David Little, Humberto Zuniga, Kunyuan Zhou

GT 2015; V02AT38A037https://doi.org/10.1115/GT2015-43732

Abstract

View Articletitled, Requirements and Limitations of Controlling Turbine Tip Shroud Cavity Flow Mixing With Bladelets on Rotating Shroud

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Topics: Cavity flows , Turbines , Cavities , Blades , Diffusers , Flow (Dynamics) , Reynolds number

Implicit Large Eddy Simulation of a Stalled Low Pressure Turbine Airfoil

C. L. Memory, J. P. Chen, J. P. Bons

GT 2015; V02AT38A038https://doi.org/10.1115/GT2015-43792

Abstract

View Articletitled, Implicit Large Eddy Simulation of a Stalled Low Pressure Turbine Airfoil

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Topics: Airfoils , Large eddy simulation , Pressure , Turbines , Flow (Dynamics) , Oscillations , Separation (Technology) , Chords (Trusses) , Computer simulation , Engineering simulation

Experimental Study of Stream-Wise Vortex Formation on Swept Circular Cylinders in Cross-Flow

W. D. E. Allan, J. P. Gostelow, Simon I. Hogg

GT 2015; V02AT38A039https://doi.org/10.1115/GT2015-43847

Abstract

View Articletitled, Experimental Study of Stream-Wise Vortex Formation on Swept Circular Cylinders in Cross-Flow

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Topics: Circular cylinders , Cross-flow , Vortices , Cylinders , Reynolds number , Airfoils , Blades , Boundary layers , Flow (Dynamics) , Flow visualization

Unsteady Effects of Profiled Endwalls on a 1.5 Stage Axial Turbine

Huimin Tang, Shuaiqiang Liu, Hualing Luo, Weitao Hou

GT 2015; V02AT38A040https://doi.org/10.1115/GT2015-43871

Abstract

View Articletitled, Unsteady Effects of Profiled Endwalls on a 1.5 Stage Axial Turbine

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Topics: Turbines , Stators , Rotors , Flow (Dynamics) , Design , Fluctuations (Physics) , Steady state , Unsteady flow , Vorticity , Blades

Experiments With a New Ribbed Blade Tip and Endwall Geometry on a High Pressure Turbine Blade

Ralph J. Volino

GT 2015; V02AT38A041https://doi.org/10.1115/GT2015-44065

Abstract

View Articletitled, Experiments With a New Ribbed Blade Tip and Endwall Geometry on a High Pressure Turbine Blade

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Topics: Blades , Geometry , High pressure (Physics) , Turbine blades , Vortices , Cascades (Fluid dynamics) , Leakage , Flow (Dynamics) , Pressure drop , Wakes