Volumes | Turbo Expo: Power for Land, Sea, and Air | American Society of Mechanical Engineers Digital Collection

Topics: Flow (Dynamics) , Optimization , Turbines , Turbochargers , Geometry , Computational fluid dynamics , Genetic algorithms , Blades , Turbine blades

A Numerical Investigation on a New Pulse-Optimized Flow Control Method for Turbocharger Turbine Performance Improvement Under Pulsating Conditions

K. Cao, M. Yang, R. F. Martinez-Botas

GT 2015; V02CT42A003doi:https://doi.org/10.1115/GT2015-42059

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Topics: Flow control , Turbines , Turbochargers , Flow (Dynamics) , Nozzles , Exhaust systems , Computer simulation , Internal combustion engines , Piston engines , Potential energy

Effects of Blade Deformation on the Performance of a High Flow Coefficient Mixed Flow Impeller

Hamid Hazby, Ian Woods, Michael Casey, Ryusuke Numakura, Hideaki Tamaki

GT 2015; V02CT42A004doi:https://doi.org/10.1115/GT2015-42079

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Topics: Blades , Deformation , Flow (Dynamics) , Impellers , Geometry , Pressure , Stress , Clearances (Engineering) , Fluids

Loss Mechanisms and Flow Control for Improved Efficiency of a Centrifugal Compressor at High Inlet Prewhirl

Zheng Xinqian, Huang Qiangqiang, Liu Anxiong

GT 2015; V02CT42A005doi:https://doi.org/10.1115/GT2015-42107

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Topics: Compressors , Flow control , Flow (Dynamics) , Diffusers , Impellers , Blades , Engineering simulation , Flow separation , Fluids , Modeling

Experimental and Numerical Investigation of a Counter-Rotating Mixed-Flow Single Stage Pump

Stefano Tosin, Jens Friedrichs, Andreas Dreiss

GT 2015; V02CT42A006doi:https://doi.org/10.1115/GT2015-42152

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Topics: Flow (Dynamics) , Pumps , Impellers , Design , Blades , Centrifugal pumps , Diffusers , Engineering prototypes , Equipment performance , Fluids

Enhancement of Centrifugal Compressor Operating Range by Control of Inlet Recirculation With Inlet Fins

Hideaki Tamaki, Masaru Unno, Ryuuta Tanaka, Satoshi Yamaguchi, Yohei Ishizu

GT 2015; V02CT42A007doi:https://doi.org/10.1115/GT2015-42154

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Topics: Compressors , Fins , Surges , Engines , Flow (Dynamics) , Computational fluid dynamics , Pipes , Stability , Turbochargers , Vaneless diffusers

Experimental and Numerical Benchmarking of an Improved Meanline Modelling Method for Automotive Turbocharger Centrifugal Compressors

Peter Harley, Stephen Spence, Dietmar Filsinger, Michael Dietrich, Juliana Early

GT 2015; V02CT42A008doi:https://doi.org/10.1115/GT2015-42175

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Topics: Compressors , Modeling , Turbochargers , Computational fluid dynamics , Flow (Dynamics) , Geometry , Pressure

Investigation on the Impact of Circumferential Grooves on Aerodynamic Centrifugal Compressor Performance

Simon Bareiß, Damian M. Vogt, Elias Chebli

GT 2015; V02CT42A009doi:https://doi.org/10.1115/GT2015-42211

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Topics: Compressors , Pressure , Computational fluid dynamics , Stability , Flow (Dynamics) , Friction , Geometry , Impellers , Reynolds-averaged Navier–Stokes equations , Steady state

Experimental Analysis of the Pressure Field Inside a Vaneless Diffuser From Rotating Stall Inception to Surge

Alessandro Bianchini, Davide Biliotti, Dante Tommaso Rubino, Lorenzo Ferrari, Giovanni Ferrara

GT 2015; V02CT42A010doi:https://doi.org/10.1115/GT2015-42282

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Topics: Experimental analysis , Pressure , Stall inception , Surges , Vaneless diffusers , Diffusers , Compressors , Machinery , Probes , Flow (Dynamics)

Analytical Study on the Performance of Centrifugal Compressor Considering Running Tip Clearance

Changhee Kim, Jangsik Yang, Changmin Son, Horim Lee, Yoonjei Hwang, Jinhee Jeong

GT 2015; V02CT42A011doi:https://doi.org/10.1115/GT2015-42348

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Topics: Clearances (Engineering) , Compressors , Impellers , Blades , Deformation , Centrifugal force , Fluid structure interaction , Stress , Displacement , Flow (Dynamics)

Effects of Return Channel With Splitter Vanes on Performance of Multistage Centrifugal Compressor

Manabu Yagi, Takahiro Nishioka, Hiromi Kobayashi, Hideo Nishida, Satoru Yamamoto

GT 2015; V02CT42A012doi:https://doi.org/10.1115/GT2015-42442

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Topics: Compressors , Flow (Dynamics) , Design , Impellers , Mach number , Suction , Testing performance

Vortices and Performance of Internal and External Volutes

Hua Chen, Ding Tong, Xiaochun Wang

GT 2015; V02CT42A013doi:https://doi.org/10.1115/GT2015-42462

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Topics: Vortices , Compressors , Computer simulation , Cross-flow , Shapes , Shear stress

The One-Dimensional Meanline Design of Radial Turbines for Small Scale Low Temperature Organic Rankine Cycles

M. White, A. I. Sayma

GT 2015; V02CT42A014doi:https://doi.org/10.1115/GT2015-42466

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Topics: Design , Low temperature , Organic Rankine cycle , Turbines , Flow (Dynamics) , Design methodology , Pressure , Rotors , Computational fluid dynamics , Construction

Numerical Investigation of Kelvin-Helmholtz Instability in a Centrifugal Compressor Operating Near Stall

Y. Bousquet, X. Carbonneau, I. Trebinjac, N. Binder, G. Dufour

GT 2015; V02CT42A015doi:https://doi.org/10.1115/GT2015-42495

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Topics: Compressors , Flow (Dynamics) , Annulus , Engineering simulation , Momentum , Simulation , Blades , Diffusers , Impellers , Leakage flows

A CFD Analysis of the Effects of Two-Phase Flow in a Two-Stage Centrifugal Compressor

Chaitanya V. Halbe, Walter F. O’Brien, William T. Cousins, Vishnu Sishtla

GT 2015; V02CT42A016doi:https://doi.org/10.1115/GT2015-42534

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Topics: Compressors , Computational fluid dynamics , Two-phase flow , Drops , Simulation , Dynamics (Mechanics) , Heat , Momentum , Pressure

Experimental and Numerical Study of Return Channel Flow Influence on Surge Margin of a Multi-Stage Centrifugal Compressor

Yoshifumi Nishida, Hideo Nishida, Hiromi Kobayashi, Takahiro Nishioka

GT 2015; V02CT42A017doi:https://doi.org/10.1115/GT2015-42546

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Topics: Channel flow , Compressors , Surges , Flow (Dynamics) , Impellers , Blades , Computational fluid dynamics , Suction , Flow separation , Internal flow

CFD Analysis of Centrifugal Compressor Stage Range Extension Using Internal Flow Recirculation

Uday K. Meduri, Kathiravan Selvam, Gilles Nawrocki

GT 2015; V02CT42A018doi:https://doi.org/10.1115/GT2015-42592

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Topics: Compressors , Computational fluid dynamics , Internal flow , Flow (Dynamics) , Circuits , Flanges , Surges , Design , Diffusers , Gas flow

Experimental and Numerical Investigation of the Flow Inside the Return Channel of a Centrifugal Process Compressor

C. Rube, T. Rossbach, M. Wedeking, D. R. Grates, P. Jeschke

GT 2015; V02CT42A019doi:https://doi.org/10.1115/GT2015-42600

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Topics: Compressors , Flow (Dynamics) , Vaneless diffusers , Computer simulation , Pressure , Pressure measurement , Computational fluid dynamics , Engineering simulation , Impellers , Numerical analysis

Scripted CFD-Tool for the Automated Design of Volutes for Centrifugal Compressors

Martin Heinrich, Rüdiger Schwarze

GT 2015; V02CT42A020doi:https://doi.org/10.1115/GT2015-42629

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Topics: Compressors , Computational fluid dynamics , Design , Pressure , B-splines , Geometry , Shapes

An Evaluation of Vaneless Diffuser Modelling Methods as a Means of Improving the Off-Design Performance Prediction of Centrifugal Compressors

Charles Stuart, Stephen Spence, Dietmar Filsinger, Andre Starke, Sung In Kim, Peter Harley

GT 2015; V02CT42A021doi:https://doi.org/10.1115/GT2015-42657

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Topics: Compressors , Design , Modeling , Vaneless diffusers , Diffusers , Impellers , Computational fluid dynamics , Flow (Dynamics) , Engineering simulation , Mach number

Assessment of Partial-Admission Characteristics in Twin-Entry Turbine Pulse Performance Modelling

Meng Soon Chiong, Srithar Rajoo, Alessandro Romagnoli, Aaron W. Costall, Ricardo F. Martinez-Botas

GT 2015; V02CT42A022doi:https://doi.org/10.1115/GT2015-42687

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Topics: Modeling , Turbines , Flow (Dynamics) , Cycles , Engines , Exhaust systems , Test facilities

Investigation of an Asymmetric Double Entry Centrifugal Compressor With Different Radial Impellers Matching for a Wide Operating Range

Lei Jing, Ce Yang, Wangxia Wu, Shan Chen

GT 2015; V02CT42A023doi:https://doi.org/10.1115/GT2015-42892

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Topics: Compressors , Impellers , Flow (Dynamics) , Pressure , Simulation , Switches

Influence of Tandem Inducers on the Performance of High Pressure Ratio Centrifugal Compressors

Rodrigo R. Erdmenger, Vittorio Michelassi

GT 2015; V02CT42A024doi:https://doi.org/10.1115/GT2015-43001

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Topics: Compressors , High pressure (Physics) , Blades , Design , Diffusers , Flow (Dynamics) , Shock (Mechanics) , Suction

Mechanism of Blockage Generation in Transonic Centrifugal Compressor at Design and Off-Design Conditions

Masanao Kaneko, Hoshio Tsujita

GT 2015; V02CT42A025doi:https://doi.org/10.1115/GT2015-43126

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Topics: Compressors , Design , Blades , Flow (Dynamics) , Leakage , Shock waves , Vortices , Impellers , Suction , Boundary layers

Investigation of Performance and Flow Field of a Centrifugal Compressor Under Negative Pre-Swirl

Jiayi Zhao, Zhiheng Wang, Guang Xi, Xiaohong Zhang, Aiqing Lan, Wuqi Gong

GT 2015; V02CT42A026doi:https://doi.org/10.1115/GT2015-43141

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Topics: Compressors , Flow (Dynamics) , Impellers , Inlet guide vanes , Pressure , Separation (Technology) , Diffusers , Energy transformation , Numerical analysis , Vortices

Efficiency Increase in Centrifugal Compressor With Open Impeller by Using Curvilinear Element Blade

Kazuhiro Tsukamoto, Kiyotaka Hiradate, Kiyohide Sakamoto, Haruaki Chiba, Yasushi Shinkawa

GT 2015; V02CT42A027doi:https://doi.org/10.1115/GT2015-43193

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Topics: Blades , Compressors , Impellers , Flow (Dynamics) , Design , Diffusers , Pressure , Flow separation , Leakage , Computer simulation

Numerical Investigation of Centrifugal Compressor Tip Clearance

Ahti Jaatinen-Värri, Teemu Turunen-Saaresti, Aki Grönman, Jari Backman, Jonna Tiainen

GT 2015; V02CT42A028doi:https://doi.org/10.1115/GT2015-43199

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Topics: Clearances (Engineering) , Compressors , Blades , Flow (Dynamics) , Impellers , Suction , Diffusers , Pressure , Wakes

Effects of Flow Path Height of Impeller Exit and Diffuser on Flow Fields in a Transonic Centrifugal Compressor

Isao Tomita, Seiichi Ibaraki, Koji Wakashima, Masato Furukawa, Kazutoyo Yamada, Dai Kanzaki

GT 2015; V02CT42A029doi:https://doi.org/10.1115/GT2015-43271

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Topics: Compressors , Diffusers , Flow (Dynamics) , Impellers , Turbochargers , Carbon , Eddies (Fluid dynamics) , Emissions , Engines , Internal flow

Study of a Highly Loaded Centrifugal Compressor With Pipe Diffuser at Design and Off-Design Operating Conditions

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

GT 2015; V02CT42A030doi:https://doi.org/10.1115/GT2015-43426

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Topics: Compressors , Design , Diffusers , Pipes , Wedges , Flow (Dynamics) , Flow separation , Pressure , Surges , Boundary layers

Introduction of Circumferentially Non-Uniform Variable Guide Vanes in the Inlet Plenum of a Centrifugal Compressor for Minimum Losses and Flow Distortion

Ismail Sezal, Matthias Lang, Christian Aalburg, Nan Chen, Wolfgang Erhard, Alberto Scotti Del Greco, Libero Tapinassi, Rajesh Kumar V. Gadamsetty

GT 2015; V02CT42A031doi:https://doi.org/10.1115/GT2015-43467

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Topics: Compressors , Flow (Dynamics) , Guide vanes , Impellers , Airfoils , Pressure , Annulus , Cascades (Fluid dynamics) , Compression , Computational fluid dynamics

Detailed Performance Analysis of a Centrifugal Compressor Stage With Pipe Diffuser and Immerged Tandem Deswirler

Johannes Schmidt, Philipp Schwarz, Benjamin Wilkosz, Peter Jeschke, Caitlin Smythe

GT 2015; V02CT42A032doi:https://doi.org/10.1115/GT2015-43484

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Topics: Compressors , Diffusers , Pipes , Pressure , Geometry , Blades , Diffusion (Physics) , Engines , Impellers , Pipe flow

Increasing Pulse Energy Recovery of Radial Turbocharger Turbines by 3D Inverse Design Method

Jiangnan Zhang, Mehrdad Zangeneh

GT 2015; V02CT42A033doi:https://doi.org/10.1115/GT2015-43579

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Topics: Design methodology , Energy recovery , Turbines , Turbochargers , Design , Exhaust systems , Temperature , Computational fluid dynamics , Cycles , Engines

Numerical Investigation of the Return Channel of a High-Flow Centrifugal Compressor Stage

Holger Franz, Christoph Rube, Matthias Wedeking, Peter Jeschke

GT 2015; V02CT42A034doi:https://doi.org/10.1115/GT2015-43640

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Topics: Compressors , Flow (Dynamics) , Engineering simulation , Simulation , Computational fluid dynamics , Impellers , Blades , Computer simulation , Construction , Ducts

Experimental and Numerical Investigation of Labyrinth Seal Clearance Impact on Centrifugal Impeller Performance

Russell Marechale, Min Ji, Michael Cave

GT 2015; V02CT42A035doi:https://doi.org/10.1115/GT2015-43778

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Topics: Clearances (Engineering) , Impellers , Compressors , Flow (Dynamics) , Pressure , Cavities , Computational fluid dynamics , Leakage flows , Simulation , Internal flow

Unsteady Flows in Turbomachinery

Investigation of Stator Induced Unsteadiness on a Centrifugal Impeller Using a Mach-Independent Non-Linear Harmonic Method

Benoît Tartinville, Charles Hirsch

GT 2015; V02CT44A001doi:https://doi.org/10.1115/GT2015-42042

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Topics: Impellers , Stators , Diffusers , Flow (Dynamics) , Incompressible fluids , Mach number , Pressure , Simulation , Stress

Unsteady Pressure Investigations of Corner Separated Flow in a Linear Compressor Cascade

Gherardo Zambonini, Xavier Ottavy

GT 2015; V02CT44A002doi:https://doi.org/10.1115/GT2015-42073

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

LES and Hybrid RANS/LES Simulations of Turbomachinery Flows Using High Order Methods

Julien Marty, Nicolas Lantos, Bertrand Michel, Virginie Bonneau

GT 2015; V02CT44A003doi:https://doi.org/10.1115/GT2015-42134

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Topics: Flow (Dynamics) , Reynolds-averaged Navier–Stokes equations , Simulation , Turbomachinery , Wakes , Eddies (Fluid dynamics) , Large eddy simulation , Rotors , Separation (Technology) , Vortices

An Implicit Harmonic Balance Method in Graphics Processing Units for Vibrating Blades

Javier Crespo, Roque Corral, Jesus Pueblas

GT 2015; V02CT44A004doi:https://doi.org/10.1115/GT2015-42275

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Topics: Blades , Graphics processing units , Airfoils , Compressors , Finite difference methods , Flow (Dynamics) , Modeling , Navier-Stokes equations , Turbomachinery

High Order Large Eddy Simulations for a Transonic Turbine Blade Using Hybrid Unstructured Meshes

Yi Lu, W. N. Dawes

GT 2015; V02CT44A005doi:https://doi.org/10.1115/GT2015-42283

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Topics: Large eddy simulation , Turbine blades , Shock (Mechanics) , Spacetime , Flow (Dynamics) , Chain , Engineering simulation , Runge-Kutta methods , Simulation , Unsteady flow

Unsteady Measurements of Periodic Effects in a Transonic Compressor With Casing Treatments

Christoph Brandstetter, Fabian Wartzek, Jan Werner, Heinz-Peter Schiffer, Frank Heinichen

GT 2015; V02CT44A006doi:https://doi.org/10.1115/GT2015-42394

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Topics: Compressors , Flow (Dynamics) , Blades , Design , High pressure (Physics) , Instrumentation , Particulate matter , Pressure , Shock (Mechanics) , Stall inception

Unsteady Aerodynamic Interaction in a Closely-Coupled Turbine Consistent With Contra-Rotation

Michael K. Ooten, Richard J. Anthony, Andrew T. Lethander, John P. Clark

GT 2015; V02CT44A007doi:https://doi.org/10.1115/GT2015-42416

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Topics: Rotation , Turbines , Numerical analysis , Blades , Pressure , Annulus , Cascades (Fluid dynamics) , Flow (Dynamics) , Computational fluid dynamics , Fourier transforms

Phase-Locked Investigation of Secondary Flows Perturbed by Passing Wakes in a High-Lift LPT Turbine Cascade

Daniele Infantino, Francesca Satta, Daniele Simoni, Marina Ubaldi, Pietro Zunino, Francesco Bertini

GT 2015; V02CT44A008doi:https://doi.org/10.1115/GT2015-42480

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Topics: Cascades (Fluid dynamics) , Flow (Dynamics) , Turbines , Wakes , Turbulence , Vortices , Aerodynamics , Blades , Displacement , Pressure

Delay of Rotating Stall in Compressors Using Plasma Actuators

Farzad Ashrafi, Mathias Michaud, Huu Duc Vo

GT 2015; V02CT44A009doi:https://doi.org/10.1115/GT2015-42559

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Topics: Actuators , Compressors , Delays , Plasmas (Ionized gases) , Computational fluid dynamics , Flow (Dynamics) , Blades , Rotors , Stall inception , Aircraft

Numerical Prediction of Stall Inception in Centrifugal Compressor Using Eigenvalue Method

Ma Yunfei, Liu Xiaohua, Dakun Sun, Sun Xiaofeng

GT 2015; V02CT44A010doi:https://doi.org/10.1115/GT2015-42590

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Topics: Compressors , Eigenvalues , Stall inception , Blades , Stability , Computational fluid dynamics , Design , Energy dissipation , Errors , Flow (Dynamics)

Large-Scale DES Analysis of Unsteady Flow Field in a Multi-Stage Axial Flow Compressor at Off-Design Condition Using K Computer

Kazutoyo Yamada, Masato Furukawa, Satoshi Nakakido, Akinori Matsuoka, Kentaro Nakayama

GT 2015; V02CT44A011doi:https://doi.org/10.1115/GT2015-42648

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Topics: Axial flow , Computers , Design , Unsteady flow , Simulation , Compressors , Boundary-value problems , Flow (Dynamics) , Blades , Computation

Effects of Radial Loading Distribution on Partial Surge Initiated Instability in a Transonic Axial Flow Compressor

Tianyu Pan, Qiushi Li, Tailu Sun, Zhiping Li, Yifang Gong

GT 2015; V02CT44A012doi:https://doi.org/10.1115/GT2015-42664

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Topics: Axial flow , Surges , Compressors , Rotors , Blades , Design , Reynolds-averaged Navier–Stokes equations , Simulation , Stall inception

On Turbulence Measurements and Analyses in a Two-Stage Two-Spool Turbine Rig

Sabine Bauinger, Stephan Behre, Davide Lengani, Yavuz Guendogdu, Franz Heitmeir, Emil Goettlich

GT 2015; V02CT44A013doi:https://doi.org/10.1115/GT2015-42698

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Topics: Turbines , Turbulence , Rotors , Signals , Fluctuations (Physics) , Probes , Machine dynamics , Pressure , Turbomachinery , Wire

Prediction of Centrifugal Compressor Performance From Choke Through Stall With a Physical Throttle

Xiaocheng Zhu, Kai Jia, Zhaohui Du

GT 2015; V02CT44A014doi:https://doi.org/10.1115/GT2015-42914

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Topics: Compressors , Flow (Dynamics) , Vaneless diffusers , Physics , Unsteady flow , Computational fluid dynamics , Computer simulation , Computer software , Design , Engineering simulation

Circumferentially Non-Uniform Flow in the Rear Stage of a Multistage Compressor

Simon Stummann, Peter Jeschke, Timo Metzler

GT 2015; V02CT44A015doi:https://doi.org/10.1115/GT2015-42935

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Topics: Compressors , Flow (Dynamics) , Wakes , Blades , Engineering simulation , Simulation , Airfoils , Annulus , Design , Ducts

Zonal Detached-Eddy Simulation Approach vs. URANS for the Prediction of the Flow Field Through a Low Pressure Vane Located Downstream of a Transonic High Pressure Turbine

Pierre Gougeon, Ghislaine Ngo Boum

GT 2015; V02CT44A016doi:https://doi.org/10.1115/GT2015-43019

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Topics: Eddies (Fluid dynamics) , Flow (Dynamics) , High pressure (Physics) , Pressure , Simulation , Turbines , Turbulence , Aerodynamic flow , Boundary-value problems , Computation

Investigation on Pressure Fluctuation Related to Mild Surge in Multi-Stage Centrifugal Blower With Inlet Guide Vane

Kiyotaka Hiradate, Kiyohide Sakamoto, Yasushi Shinkawa, Satoshi Joukou, Takeshi Uchiyama

GT 2015; V02CT44A017doi:https://doi.org/10.1115/GT2015-43034

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Topics: Inlet guide vanes , Pressure , Surges , Simulation , Fluctuations (Physics) , System dynamics , Compression , Machinery , Actuators , Diffusers

Numerical Simulations on Flow Separation Within an Axial Turbine at Very Low Reynolds Number

Xiaodong Wang, Liping Liang, Shun Kang

GT 2015; V02CT44A018doi:https://doi.org/10.1115/GT2015-43108

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Topics: Computer simulation , Flow separation , Reynolds number , Turbines , Separation (Technology) , Modeling , Stators , Turbulence , Vortices , Simulation

Space-Time Gradient Method for Unsteady Bladerow Interaction: Part I — Basic Methodology and Verification

J. Yi, L. He

GT 2015; V02CT44A019doi:https://doi.org/10.1115/GT2015-43152

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Topics: Gradient methods , Spacetime , Flow (Dynamics) , Turbomachinery , Unsteady flow , Annulus , Computers , Design , Modeling , Rotors

Space-Time Gradient Method for Unsteady Bladerow Interaction: Part II — Further Validation, Clocking and Multi-Disturbance Effect

L. He, J. Yi, P. Adami, L. Capone

GT 2015; V02CT44A020doi:https://doi.org/10.1115/GT2015-43156

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Topics: Gradient methods , Spacetime , Rotors , Stators , Blades , Turbines , Modeling , Temperature , Boundary layers , Compressors

Experimental Investigations on Effects of Unsteady Wakes on the Secondary Flows in the Linear T106 Turbine Cascade

Ilker Kirik, Reinhard Niehuis

GT 2015; V02CT44A021doi:https://doi.org/10.1115/GT2015-43170

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Topics: Cascades (Fluid dynamics) , Flow (Dynamics) , Turbines , Wakes , Pressure , Probes , Inflow , Wire , Boundary layers , Sensors

Numerical Investigation of Contrasting Flow Physics in Different Zones of a High-Lift Low Pressure Turbine Blade

J. Cui, V. Nagabhushana Rao, P. G. Tucker

GT 2015; V02CT44A022doi:https://doi.org/10.1115/GT2015-43200

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Topics: Flow (Dynamics) , Physics , Pressure , Turbine blades , Vortices , Turbulence , Boundary layers , Suction , Wakes , Boundary layer turbulence

Unsteady Work and Wake Recovery due to Pressure Wave Interaction in a LP Turbine

Martin Marx, Martin Lipfert, Martin G. Rose, Stephan Staudacher, Karl Engel

GT 2015; V02CT44A023doi:https://doi.org/10.1115/GT2015-43276

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Topics: Pressure , Turbines , Wakes , Waves , Fluids , Rotors , Particulate matter , Blades , Cycles , Momentum

High-Fidelity Simulations of Low-Pressure Turbines: Effect of Flow Coefficient and Reduced Frequency on Losses

V. Michelassi, L. Chen, R. Pichler, R. Sandberg, R. Bhaskaran

GT 2015; V02CT44A024doi:https://doi.org/10.1115/GT2015-43429

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Topics: Engineering simulation , Flow (Dynamics) , Pressure , Simulation , Turbines , Wakes , Boundary layers , Computer simulation , Blades , Large eddy simulation

Numerical and Experimental Investigations of Clocking Effect in a Two-Stage Compressor With π_C = 3.7

Victor Mileshin, Yaroslav Druzhinin, Alexander Stepanov, Nikolay Savin

GT 2015; V02CT44A025doi:https://doi.org/10.1115/GT2015-43472

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Topics: Compressors , Rotors , Blades , Pressure , Clearances (Engineering) , Wakes , Fluctuations (Physics) , Stress , Boundary layers , Computer software

Numerical Study of Deposition in a Full Turbine Stage Using Steady and Unsteady Methods

Daniel Zagnoli, Robin Prenter, Ali Ameri, Jeffrey P. Bons

GT 2015; V02CT44A026doi:https://doi.org/10.1115/GT2015-43613

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Topics: Turbines , Particulate matter , Blades , Flow (Dynamics) , Boundary-value problems , Geometry , High pressure (Physics) , Pressure , Reynolds-averaged Navier–Stokes equations , Rotors

Time Transformation Simulation of 1.5 Stage Transonic Compressor

Laith Zori, Paul Galpin, Rubens Campregher, Juan Carlos Morales

GT 2015; V02CT44A027doi:https://doi.org/10.1115/GT2015-43624

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Topics: Compressors , Simulation , Blades , Transients (Dynamics) , Flow (Dynamics) , Steady state , Turbomachinery , Unsteady flow , Acoustics , Flutter (Aerodynamics)

Comparison of Numerical Methods for the Prediction of Time-Averaged Flow Quantities in a Cooled Multistage Turbine

Ritu P. Marpu, Chad H. Custer, Venkataramanan Subramanian, Jonathan M. Weiss, Kenneth C. Hall

GT 2015; V02CT44A028doi:https://doi.org/10.1115/GT2015-43717

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Topics: Flow (Dynamics) , Numerical analysis , Turbines , Pressure , Temperature , Unsteady flow , Cascades (Fluid dynamics) , Computational fluid dynamics , Cooling , High pressure (Physics)

A Study of Performance and Flow Mechanism of a Slot-Groove Hybrid Casing Treatment in a Low-Speed Compressor

Juan Du, Fan Li, Jichao Li, Ning Ma, Feng Lin, Jingyi Chen

GT 2015; V02CT44A029doi:https://doi.org/10.1115/GT2015-43920

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Topics: Compressors , Flow (Dynamics) , Entropy , Vortices , Blades , Computational fluid dynamics , Stability , Trajectories (Physics) , Leakage , Leakage flows

Investigation on Acoustic Resonance for Different Diffuser and Effect on Centrifugal Compressor Pipeline Failure

Hongkun Li, Xiaowen Zhang, Yan Liu, Fujian Xu, Shuai Zhou

GT 2015; V02CT44A030doi:https://doi.org/10.1115/GT2015-43958

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Topics: Acoustics , Compressors , Diffusers , Failure , Pipelines , Resonance , Blades , Computer software , Condition monitoring , Design

Transient Analysis of a Transonic Compressor Rotor With Aeroelastic Effects

Yan Han Tan, Michel van Rooij, Bimo Prananta

GT 2015; V02CT44A031doi:https://doi.org/10.1115/GT2015-44023

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Topics: Compressors , Rotors , Transient analysis , Blades , Deformation , Shock (Mechanics) , Design , Transients (Dynamics) , Geometry , Aircraft

Multidisciplinary Design Approaches, Optimization and Uncertainty Quantification (With Structures and Dynamics and Heat Transfer)

Study on Coupling Optimization Design of Aspirated Compressor Airfoil Based on Two Different Parameterization Methods

Jun Li, Bo Liu, Xiaodong Yang, Xiaofeng Lu

GT 2015; V02CT45A001doi:https://doi.org/10.1115/GT2015-42009

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Topics: Airfoils , Compressors , Design , Optimization , Algorithms , Stress , Pressure , Design methodology , Boundary layers , Mach number

Adaptive Surrogate-Based Multi-Disciplinary Optimization for Vane Clusters

Ilya Arsenyev, Fabian Duddeck, Andreas Fischersworring-Bunk

GT 2015; V02CT45A002doi:https://doi.org/10.1115/GT2015-42164

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Topics: Optimization , Design , Geometry , Simulation , Failure , Shape optimization , Navier-Stokes equations , Pressure , Structural analysis , Thermal analysis

Optimisation of a High Pressure Ratio Radial-Inflow Turbine: Coupled CFD-FE Analysis

Mohsen Modir Shanechi, Mostafa Odabaee, Kamel Hooman

GT 2015; V02CT45A003doi:https://doi.org/10.1115/GT2015-42208

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Topics: Computational fluid dynamics , High pressure (Physics) , Inflow , Optimization , Turbines , Design , Engineering simulation , Geometry , Pressure , Simulation

Shape Optimization of Multi-Stage Axial Compressor Blades Using Adjoint Method With Static Pressure Constraint at Blade Row Interface

Jia Yu, Lucheng Ji, Weiwei Li, Weilin Yi

GT 2015; V02CT45A004doi:https://doi.org/10.1115/GT2015-42232

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Topics: Blades , Compressors , Pressure , Shape optimization , Optimization , Design , Engineering design , Engineering systems and industry applications , Entropy , Flow (Dynamics)

Shape Optimization of Axial Compressor Blades Using Adjoint Method With Emphasis on Thickness Distribution

Jia Yu, Lucheng Ji, Weiwei Li, Weilin Yi

GT 2015; V02CT45A005doi:https://doi.org/10.1115/GT2015-42234

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Topics: Blades , Compressors , Shape optimization , Optimization , Design , Shapes , Suction , NASA , Rotors , Shear (Mechanics)

CAD-Based Adjoint Shape Optimisation of a One-Stage Turbine With Geometric Constraints

Shenren Xu, David Radford, Marcus Meyer, Jens-Dominik Müller

GT 2015; V02CT45A006doi:https://doi.org/10.1115/GT2015-42237

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Topics: Computer-aided design , Shape optimization , Turbines , Design , Rotors , Shapes , Deformation , Elasticity , High pressure (Physics)

Research on Meta-Model Based Global Design Optimization and Data Mining Methods

Zhendong Guo, Liming Song, Jun Li, Guojun Li, Zhenping Feng

GT 2015; V02CT45A007doi:https://doi.org/10.1115/GT2015-42554

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Topics: Data mining , Design , Optimization , Blades , Rotors , Algorithms , Pressure , Turbomachinery , Compressors , Computational fluid dynamics

Turbine Stator Well Cooling: Improved Geometry Benefits

Julien Pohl, Jeffrey A. Dixon, Vincenzo Fico

GT 2015; V02CT45A008doi:https://doi.org/10.1115/GT2015-42658

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Topics: Cooling , Geometry , Stators , Turbines , Engines , Flow (Dynamics) , Cavities , Computational fluid dynamics , Coolants , Finite element analysis

Uncertainty Quantification of Hot Gas Ingestion for a Gas Turbine Nozzle Using Polynomial Chaos

Andrea Panizza, Alessio Bonini, Luca Innocenti

GT 2015; V02CT45A009doi:https://doi.org/10.1115/GT2015-42679

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Topics: Chaos , Gas turbines , Nozzles , Polynomials , Uncertainty quantification , Probability , Cooling , Approximation , Design , Flow (Dynamics)

Optimization of Compressor Variable Geometry Settings Using Multi-Fidelity Simulation

S. Reitenbach, M. Schnös, R.-G. Becker, T. Otten

GT 2015; V02CT45A010doi:https://doi.org/10.1115/GT2015-42832

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Topics: Compressors , Geometry , Optimization , Simulation , Engines , Design , Blades , Gas turbines , Stators , Chain

Turbine Wheel Shape Optimization: Design Criteria, Multidiscipline Design Tools and Simulation Processes

Paolo Di Sisto, Massimiliano Grosso

GT 2015; V02CT45A011doi:https://doi.org/10.1115/GT2015-42863

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Topics: Design , Shape optimization , Simulation , Turbines , Wheels , Rotors , Gas turbines , Teams , Combustion , Conceptual design

Discrete Adjoint Solution of Unsteady Turbulent Flow in Compressor

Can Ma, Xinrong Su, Xin Yuan

GT 2015; V02CT45A012doi:https://doi.org/10.1115/GT2015-42948

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Topics: Compressors , Turbulence , Unsteady flow , Flow simulation , Simulation , Blades , Eddies (Fluid dynamics) , Finite volume methods , Flow (Dynamics) , Optimization

Sensitivity Analysis for Simulation-Based Optimization via Metamodeling Techniques

Haitao Liu, Ying Ma, Shengli Xu, Xiaofang Wang, Yang Song

GT 2015; V02CT45A013doi:https://doi.org/10.1115/GT2015-42959

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Topics: Blades , Compressors , Design , Disks , Optimization , Optimization algorithms , Sensitivity analysis , Shape design , Simulation , Turbines

Aerodynamic and Heat Transfer Optimization of One Stage Air-Cooled Turbine

Shaopeng Lu, Xiaoqing Qiang, Fengbo Wen, Jinfang Teng

GT 2015; V02CT45A014doi:https://doi.org/10.1115/GT2015-42974

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Topics: Heat transfer , Optimization , Turbines , Blades , Coolants , Design , Film cooling , Computational fluid dynamics , Engineering simulation , High temperature

Surrogate-Based Optimisation for a Mixed-Variable Design Space: Proof of Concept and Opportunities for Turbomachinery Applications

Lieven Baert, Charlotte Beauthier, Michaël Leborgne, Ingrid Lepot

GT 2015; V02CT45A015doi:https://doi.org/10.1115/GT2015-43254

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Topics: Design , Optimization , Turbomachinery , Computation , Computer simulation , Conceptual design , Ducts , Engineering design processes

Open Rotor Design Strategy: From Wind Tunnel Tests to Full Scale Multi-Disciplinary Design

Jonathan Vlastuin, Clément Dejeu, Anthony Louet, Jérôme Talbotec, Ingrid Lepot, Timothée Lonfils, Michaël Leborgne

GT 2015; V02CT45A016doi:https://doi.org/10.1115/GT2015-43300

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Topics: Design , Rotors , Wind tunnels , Acoustics , Computational fluid dynamics , Design methodology , Aerodynamics , Optimization , Propellers , Weight (Mass)

Three-Stage Low Pressure Compressor Modernization by Means of Optimization Methods

Evgenii Goryachkin, Grigorii Popov, Oleg Baturin, Daria Kolmakova

GT 2015; V02CT45A017doi:https://doi.org/10.1115/GT2015-43384

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Topics: Compressors , Optimization , Pressure , Flow (Dynamics) , Geometry , Blades , Gas turbines , Subsonic flow

Quantification of Combined Operational and Geometrical Uncertainties in Turbo-Machinery Design

Dirk Wunsch, Charles Hirsch, Rémy Nigro, Gregory Coussement

GT 2015; V02CT45A018doi:https://doi.org/10.1115/GT2015-43399

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Topics: Design , Turbomachinery , Uncertainty , Simulation , Accounting , Geometry , Pressure , Computational fluid dynamics , Computer software , Flow (Dynamics)

Development and Application of a Multi-Disciplinary Multi-Regime Design Methodology of a Low-Noise Contra-Rotating Open-Rotor

Michaël Leborgne, Timothée Lonfils, Ingrid Lepot

GT 2015; V02CT45A019doi:https://doi.org/10.1115/GT2015-43432

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Topics: Design methodology , Noise (Sound) , Rotors , Acoustics , Optimization , Design , Geometry , Noise control , Chain , Evolutionary algorithms

Multi-Disciplinary Multi-Point Optimization of a Turbocharger Compressor Wheel

Alain Demeulenaere, Jean-Charles Bonaccorsi, David Gutzwiller, Leon Hu, Harold Sun

GT 2015; V02CT45A020doi:https://doi.org/10.1115/GT2015-43631

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Topics: Compressors , Optimization , Turbochargers , Wheels , Design , Stress , Artificial neural networks , Blades , Computational fluid dynamics , Databases

Numerical Optimization of Leakage by Multifactor Regression of Trapezoidal Groove Geometries for a Balance Drum Labyrinth Seal

Neal R. Morgan, Houston G. Wood, Alexandrina Untaroiu

GT 2015; V02CT45A021doi:https://doi.org/10.1115/GT2015-43794

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Topics: Leakage , Optimization , Cavities , Computational fluid dynamics , Design , Flow (Dynamics) , Simulation experiments , Corners (Structural elements) , Experimental design , Fluids

Multi-Objective Combinatorial Optimization Design Method for the Compressor Splitter

Limin Gao, Xiaoming Deng, Lei Gao, Ruiyu Li, Ruihui Zeng, Cunliang Liu

GT 2015; V02CT45A022doi:https://doi.org/10.1115/GT2015-44004

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Topics: Compressors , Design methodology , Optimization , Design , Geometry , Algorithms , Computer software , Ducts , Modeling , Optimization algorithms