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ASME Turbo Expo 2014: Turbine Technical Conference and Exposition

June 16–20, 2014

Düsseldorf, Germany

Conference Sponsors:

ISBN:

978-0-7918-4571-4

In This Volume

Conjugate Heat Transfer (16)
Internal Cooling (51)

Volume 5A: Heat Transfer

Conjugate Heat Transfer

Large-Eddy Simulation and Conjugate Heat Transfer in a Round Impinging Jet

Francis Shum-Kivan, Florent Duchaine, Laurent Gicquel

GT 2014; V05AT11A001https://doi.org/10.1115/GT2014-25152

Abstract

View Articletitled, Large-Eddy Simulation and Conjugate Heat Transfer in a Round Impinging Jet

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Topics: Heat transfer , Large eddy simulation , Engineering simulation , Heat flux , Simulation , Unsteady flow , Boundary layers , Computation , Finishes , Flow (Dynamics)

Conjugate Heat Transfer Characteristics of a Highly Thermal-Loaded Film Cooling System in Hot and Multi-Composition Gas Condition

Mingfei Li, Jing Ren, Hongde Jiang

GT 2014; V05AT11A002https://doi.org/10.1115/GT2014-25187

Abstract

View Articletitled, Conjugate Heat Transfer Characteristics of a Highly Thermal-Loaded Film Cooling System in Hot and Multi-Composition Gas Condition

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Topics: Film cooling , Heat transfer , Radiation (Physics) , Temperature , Convection , Emissions , Heat , Heat conduction , Steam , Flow (Dynamics)

Conjugate Heat Transfer Predictions of Effusion Cooling With Shaped Trench Outlet

H. I. Oguntade, G. E. Andrews, A. D. Burns, D. B. Ingham, M. Pourkashanian

GT 2014; V05AT11A003https://doi.org/10.1115/GT2014-25257

Abstract

View Articletitled, Conjugate Heat Transfer Predictions of Effusion Cooling With Shaped Trench Outlet

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Topics: Cooling , Heat transfer , Design , Computational fluid dynamics , Film cooling , Adiabatic cooling , Coolants , Flow (Dynamics) , Gas turbines , Metal surfaces

Conjugate Heat Transfer CFD Predictions of Impingement Heat Transfer: Influence of the Number of Holes for a Constant Pitch-to-Diameter Ratio X/D

Abubakar M. El-Jummah, Reyad A. A. Abdul Hussain, Gordon E. Andrews, John E. J. Staggs

GT 2014; V05AT11A004https://doi.org/10.1115/GT2014-25268

Abstract

View Articletitled, Conjugate Heat Transfer CFD Predictions of Impingement Heat Transfer: Influence of the Number of Holes for a Constant Pitch-to-Diameter Ratio X/D

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Topics: Computational fluid dynamics , Heat transfer , Combustion chambers , Coolants , Cross-flow , Flow (Dynamics) , Temperature gradient , Air flow , Capacitance , Density

Conjugate Heat Transfer CFD Predictions of Impingement Heat Transfer: The Influence of Hole Pitch to Diameter Ratio X/D at Constant Impingement Gap Z

Abubakar M. El-Jummah, Reyad A. A. Abdul Husain, Gordon E. Andrews, John E. J. Staggs

GT 2014; V05AT11A005https://doi.org/10.1115/GT2014-25269

Abstract

View Articletitled, Conjugate Heat Transfer CFD Predictions of Impingement Heat Transfer: The Influence of Hole Pitch to Diameter Ratio X/D at Constant Impingement Gap Z

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Topics: Computational fluid dynamics , Heat transfer , Flow (Dynamics) , Heat transfer coefficients , Coolants , Cooling , Metals , Pressure , Aerodynamics , Capacitance

Aerothermal Analysis of a Turbine With Rim Seal Cavity

Huoxing Liu, Yuge An, Zhengping Zou

GT 2014; V05AT11A006https://doi.org/10.1115/GT2014-25276

Abstract

View Articletitled, Aerothermal Analysis of a Turbine With Rim Seal Cavity

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Topics: Cavities , Turbines , Flow (Dynamics) , Computation , Sealing (Process) , Blades , Annulus , Boundary-value problems , Computational fluid dynamics , Disks

Conjugate Heat Transfer Analysis of a Film Cooled High-Pressure Turbine Vane Under Realistic Combustor Exit Flow Conditions

Massimiliano Insinna, Duccio Griffini, Simone Salvadori, Francesco Martelli

GT 2014; V05AT11A007https://doi.org/10.1115/GT2014-25280

Abstract

View Articletitled, Conjugate Heat Transfer Analysis of a Film Cooled High-Pressure Turbine Vane Under Realistic Combustor Exit Flow Conditions

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Topics: Combustion chambers , Flow (Dynamics) , Heat transfer , High pressure (Physics) , Turbines , Turbulence , Boundary-value problems , Aerodynamics , Engineering simulation , Film cooling

Conjugate Heat Transfer Measurements and Predictions of a Blade Endwall With a Thermal Barrier Coating

Amy Mensch, Karen A. Thole, Brent A. Craven

GT 2014; V05AT11A008https://doi.org/10.1115/GT2014-25346

Abstract

View Articletitled, Conjugate Heat Transfer Measurements and Predictions of a Blade Endwall With a Thermal Barrier Coating

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Topics: Blades , Heat transfer , Thermal barrier coatings , Cooling , Computational fluid dynamics , Design , Engineering simulation , Film cooling , Flow (Dynamics) , Gas turbines

The Effect of Aircraft Integration Design on Gas Turbine Shaft Thermal Bow and the Newkirk Effect

Evan Oscar Smith, Andrew J. Neely

GT 2014; V05AT11A009https://doi.org/10.1115/GT2014-25511

Abstract

View Articletitled, The Effect of Aircraft Integration Design on Gas Turbine Shaft Thermal Bow and the Newkirk Effect

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Topics: Aircraft , Design , Gas turbines , Computational fluid dynamics , Finite element analysis , Cooling , Deformation , Temperature , Thermal expansion , Blades

A Method for Conjugate Heat Transfer With Unsteady RANS Simulation

Takashi Yamane, Yuhi Tanaka

GT 2014; V05AT11A010https://doi.org/10.1115/GT2014-25582

Abstract

View Articletitled, A Method for Conjugate Heat Transfer With Unsteady RANS Simulation

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Topics: Heat transfer , Reynolds-averaged Navier–Stokes equations , Simulation , Turbulence , Cooling , Heat conduction , Modeling , Temperature , Flow (Dynamics) , Flow simulation

Reverse-Pass Cooling Systems for Improved Performance

Benjamin Kirollos, Thomas Povey

GT 2014; V05AT11A011https://doi.org/10.1115/GT2014-25901

Abstract

View Articletitled, Reverse-Pass Cooling Systems for Improved Performance

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Topics: Blades , Combustion chambers , Coolants , Cooling , Cooling systems , Engine design , Engines , Film cooling , Flat plates , Flow (Dynamics)

Conjugate Heat Transfer Analysis for Gas Turbine Cooled Blade

Kuo-San Ho, Christopher Urwiller, S. Murthy Konan, Jong S. Liu, Bruno Aguilar

GT 2014; V05AT11A012https://doi.org/10.1115/GT2014-25952

Abstract

View Articletitled, Conjugate Heat Transfer Analysis for Gas Turbine Cooled Blade

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Topics: Blades , Gas turbines , Heat transfer , Temperature , Metals , Airfoils , Computational fluid dynamics , Cooling , Engines , Flow (Dynamics)

Numerical Conjugate Heat Transfer Study of a Cooled Compressor Rear Cone

Fabian Bleier, Max Hufnagel, Tim Pychynski, Hans-Jörg Bauer, Christian Eichler

GT 2014; V05AT11A013https://doi.org/10.1115/GT2014-26289

Abstract

View Articletitled, Numerical Conjugate Heat Transfer Study of a Cooled Compressor Rear Cone

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Topics: Compressors , Heat transfer , Cooling , Computer simulation , Convection , Flow (Dynamics) , Friction , Geometry , Heat transfer coefficients , Heating

Simulation of Thermal Fluid-Structure Interaction in Blade-Disc Configuration of an Aircraft Turbine Model

Hannes Lück, Michael Schäfer, Heinz-Peter Schiffer

GT 2014; V05AT11A014https://doi.org/10.1115/GT2014-26316

Abstract

View Articletitled, Simulation of Thermal Fluid-Structure Interaction in Blade-Disc Configuration of an Aircraft Turbine Model

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Topics: Aircraft , Blades , Disks , Fluid structure interaction , Simulation , Turbines , Deformation , Fluids , Rotors , Cavity flows

Numerical Analysis of Oil Anti-Icing System Performance of Turboshaft Engine Inlet Strut

Wei Dong, Jianjun Zhu, Yong Chen, Mei Zheng

GT 2014; V05AT11A015https://doi.org/10.1115/GT2014-26564

Abstract

View Articletitled, Numerical Analysis of Oil Anti-Icing System Performance of Turboshaft Engine Inlet Strut

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Topics: Engines , Numerical analysis , Struts (Engineering) , Computation , Temperature , Flow (Dynamics) , Heat transfer , Water , Air flow , Computational fluid dynamics

Conjugate Heat Transfer Analysis in an Actual Gas Turbine Rotor Blade in Comparison With Pyrometer Data

Kazuhiro Tsukamoto, Yasuhiro Horiuchi, Kazuyuki Sugimura, Shinichi Higuchi

GT 2014; V05AT11A016https://doi.org/10.1115/GT2014-26962

Abstract

View Articletitled, Conjugate Heat Transfer Analysis in an Actual Gas Turbine Rotor Blade in Comparison With Pyrometer Data

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Topics: Blades , Gas turbines , Heat transfer , Pyrometers , Rotors , Flow (Dynamics) , Temperature distribution , Cooling , Fluids , Pressure

Internal Cooling

Investigations on Fluid Flow and Heat Transfer Performances Within a Real Turbine Blade Channel

Zhaoqing Ke, Jian Pu, Jianhua Wang, Lei Wang, Zhiqiang Zhang, Xiangyu Wu

GT 2014; V05AT12A001https://doi.org/10.1115/GT2014-25097

Abstract

View Articletitled, Investigations on Fluid Flow and Heat Transfer Performances Within a Real Turbine Blade Channel

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Topics: Fluid dynamics , Heat transfer , Turbine blades , Flow (Dynamics) , Reynolds number , Rotation , Pressure , Blades , Computer software , Cross section (Physics)

Effect of Channel Orientation on Heat Transfer in Rotating Smooth Square U-Duct at High Rotation Number

Yang Li, Hongwu Deng, Guoqiang Xu, Lu Qiu, Shuqing Tian

GT 2014; V05AT12A002https://doi.org/10.1115/GT2014-25188

Abstract

View Articletitled, Effect of Channel Orientation on Heat Transfer in Rotating Smooth Square U-Duct at High Rotation Number

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Topics: Ducts , Heat transfer , Rotation , Flow (Dynamics) , Copper , Heat transfer coefficients , Pressure , Reynolds number , Suction

PIV Measurements in a Two-Pass 90-Deg Ribbed-Wall Parallelogram Channel

Tong-Miin Liou, Shyy Woei Chang, Shu-Po Chan, Yu-Shuai Liu

GT 2014; V05AT12A003https://doi.org/10.1115/GT2014-25248

Abstract

View Articletitled, PIV Measurements in a Two-Pass 90-Deg Ribbed-Wall Parallelogram Channel

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Topics: Blades , Bubbles , Cooling , Flow (Dynamics) , Gas turbines , Heat transfer , Kinetic energy , Particulate matter , Reynolds number , Rotors

Thermal Performance of a Radially Rotating Twin-Pass Smooth-Walled Parallelogram Channel

Tong-Miin Liou, Shyy Woei Chang, Chun-Chang Yang, Yi-An Lan

GT 2014; V05AT12A004https://doi.org/10.1115/GT2014-25322

Abstract

View Articletitled, Thermal Performance of a Radially Rotating Twin-Pass Smooth-Walled Parallelogram Channel

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Topics: Blades , Buoyancy , Cooling , Flow (Dynamics) , Friction , Heat transfer , Rotors , Turbines

The Effect of Vortex Core Distribution on Heat Transfer in Steam Cooling of Gas Turbine Blade Internal Ribbed Channels

Jiangnan Zhu, Tieyu Gao, Jun Li, Guojun Li, Jianying Gong

GT 2014; V05AT12A005https://doi.org/10.1115/GT2014-25324

Abstract

View Articletitled, The Effect of Vortex Core Distribution on Heat Transfer in Steam Cooling of Gas Turbine Blade Internal Ribbed Channels

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Topics: Blades , Cooling , Gas turbines , Heat transfer , Steam , Vortices , Flow (Dynamics) , Shapes , Heat , Mass transfer

Row Removal Heat Transfer Study for Pin Fin Arrays

Kathryn L. Kirsch, Jason K. Ostanek, Karen A. Thole, Eleanor Kaufman

GT 2014; V05AT12A006https://doi.org/10.1115/GT2014-25348

Abstract

View Articletitled, Row Removal Heat Transfer Study for Pin Fin Arrays

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Topics: Heat transfer , Fins , Pins (Engineering) , Channel flow , Circular cylinders , Flow (Dynamics) , Heat , Reynolds number , Shapes , Turbines

A Combined CFD/MRV Study of Flow Through a Pin Bank

Mike Siekman, David Helmer, Wontae Hwang, Gregory Laskowski, Ek Tsoon Tan, Gregory Natsui

GT 2014; V05AT12A007https://doi.org/10.1115/GT2014-25350

Abstract

View Articletitled, A Combined CFD/MRV Study of Flow Through a Pin Bank

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Topics: Computational fluid dynamics , Flow (Dynamics) , Engineering simulation , Errors , Magnetic resonance , Pins (Engineering) , Reynolds-averaged Navier–Stokes equations , Simulation , Turbulence

Experimental Study on Local Heat Transfer in a Rotating, Two-Pass Cooling Channel With Dense Array of Turbulence Promoters With Naphthalene Sublimation Method

Tomoko Hagari, Katsuhiko Ishida, Kenichiro Takeishi, Masaharu Komiyama, Yutaka Oda

GT 2014; V05AT12A008https://doi.org/10.1115/GT2014-25369

Abstract

View Articletitled, Experimental Study on Local Heat Transfer in a Rotating, Two-Pass Cooling Channel With Dense Array of Turbulence Promoters With Naphthalene Sublimation Method

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Topics: Cooling , Heat transfer , Turbulence , Heat transfer coefficients , Rotation , Mass transfer , Airfoils , Displacement , Heat , Lasers

Heat Transfer Measurements of Oblong Pins

Kathryn L. Kirsch, Karen A. Thole

GT 2014; V05AT12A009https://doi.org/10.1115/GT2014-25370

Abstract

View Articletitled, Heat Transfer Measurements of Oblong Pins

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Topics: Heat transfer , Pins (Engineering) , Blades , Fins , Flow (Dynamics) , Gas turbines , Shapes

Heat Transfer and Pressure Loss Measurements of Matrix Cooling Geometries for Gas Turbine Airfoils

Carlo Carcasci, Bruno Facchini, Marco Pievaroli, Lorenzo Tarchi, Alberto Ceccherini, Luca Innocenti

GT 2014; V05AT12A010https://doi.org/10.1115/GT2014-25384

Abstract

View Articletitled, Heat Transfer and Pressure Loss Measurements of Matrix Cooling Geometries for Gas Turbine Airfoils

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Topics: Airfoils , Cooling , Gas turbines , Heat transfer , Pressure , Pressure drop , Reynolds number , Chords (Trusses) , Cooling systems , Flow (Dynamics)

Numerical Study of Turbulent Flow Through Rib-Roughened Channels With Mist Injection

Fifi N. M. Elwekeel, Qun Zheng, Antar M. M. Abdala

GT 2014; V05AT12A011https://doi.org/10.1115/GT2014-25408

Abstract

View Articletitled, Numerical Study of Turbulent Flow Through Rib-Roughened Channels With Mist Injection

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Topics: Turbulence , Steam , Heat transfer , Computation , Cooling , Cross section (Physics) , Finite volume methods , Fluids , Heat flux , Heat transfer coefficients

Numerical Aero-Thermal Analysis of a Rib-Roughened Trailing Edge Cooling Channel at Different Rotation Numbers and Channel Orientations

Matteo Pascotto, Alessandro Armellini, Luca Casarsa, Sebastian Spring

GT 2014; V05AT12A012https://doi.org/10.1115/GT2014-25479

Abstract

View Articletitled, Numerical Aero-Thermal Analysis of a Rib-Roughened Trailing Edge Cooling Channel at Different Rotation Numbers and Channel Orientations

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Topics: Cooling , Rotation , Flow (Dynamics) , Heat transfer , Blades , Coolants , Engineering simulation , Gas turbines , Reynolds-averaged Navier–Stokes equations , Simulation

Comparative Study of Impinging Jet Array Heat Transfer on a Flat Plate Cooled by Superheated Steam and Air

Chao Ma, Jianfei Wang, Shusheng Zang, Yongbin Ji

GT 2014; V05AT12A013https://doi.org/10.1115/GT2014-25493

Abstract

View Articletitled, Comparative Study of Impinging Jet Array Heat Transfer on a Flat Plate Cooled by Superheated Steam and Air

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Topics: Flat plates , Heat transfer , Steam , Superheating , Cooling , Flow (Dynamics) , Computer simulation , Heat transfer coefficients , Combustion chambers , Compressors

Effect of Corrugated Orifice and Pin-Fin on Multiple Array Impingement Cooling With Low Nozzle to Target Distance

Li Yang, Weihong Li, Zhongran Chi, Jing Ren, Hongde Jiang

GT 2014; V05AT12A014https://doi.org/10.1115/GT2014-25494

Abstract

View Articletitled, Effect of Corrugated Orifice and Pin-Fin on Multiple Array Impingement Cooling With Low Nozzle to Target Distance

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Topics: Impingement cooling , Nozzles , Fins , Heat transfer , Pressure drop , Simulation , Temperature , Turbines , Combustion chambers , Cooling

Heat Transfer in a Vane Trailing Edge Passage With Conical Pins and Pin-Turbulator Integrated Configurations

J. Kruekels, S. Naik, A. Lerch, A. Sedlov

GT 2014; V05AT12A015https://doi.org/10.1115/GT2014-25522

Abstract

View Articletitled, Heat Transfer in a Vane Trailing Edge Passage With Conical Pins and Pin-Turbulator Integrated Configurations

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Topics: Heat transfer , Pins (Engineering) , Heat transfer coefficients , Pressure drop , Flow (Dynamics) , Gas turbines , Pressure , Temperature , Blades , Coolants

Algebraic Anisotropic Eddy Viscosity Model for Separated Flows of Internal Cooling Channels

Weihong Li, Li Yang, Jing Ren, Hongde Jiang

GT 2014; V05AT12A016https://doi.org/10.1115/GT2014-25591

Abstract

View Articletitled, Algebraic Anisotropic Eddy Viscosity Model for Separated Flows of Internal Cooling Channels

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Topics: Algebra , Anisotropy , Cooling , Eddies (Fluid dynamics) , Flow (Dynamics) , Viscosity , Heat transfer , Stress , Turbulence , Gas turbines

Evaluation of FEM Based Methods to Predict Temperature Distributions of a Convection Cooled Gas Turbine Blade

B. Woerz, Y. Mick, E. Findeisen, P. Jeschke, M. Rabs

GT 2014; V05AT12A017https://doi.org/10.1115/GT2014-25595

Abstract

View Articletitled, Evaluation of FEM Based Methods to Predict Temperature Distributions of a Convection Cooled Gas Turbine Blade

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Topics: Blades , Convection , Finite element methods , Finite element model , Gas turbines , Temperature distribution , Computational fluid dynamics , Cooling , Heat transfer coefficients , Numerical analysis

An Alternative Experimental Method for Establishing Detailed Internal Heat Transfer Coefficient Distributions of Complex Cooling Geometries Using IR Thermography

Mats Kinell, Esa Utriainen, Peter Jaksch

GT 2014; V05AT12A018https://doi.org/10.1115/GT2014-25616

Abstract

View Articletitled, An Alternative Experimental Method for Establishing Detailed Internal Heat Transfer Coefficient Distributions of Complex Cooling Geometries Using IR Thermography

PDF

Topics: Cooling , Heat transfer coefficients , Thermography , Temperature , Geometry , Transients (Dynamics) , Air flow , Blades , Electrical conductivity , Experimental methods

Numerical Investigation of Swirl Cooling Heat Transfer Enhancement on Blade Leading Edge by Adding Water Mist

Yuting Jiang, Qun Zheng, Guoqiang Yue, Ping Dong, Yu Jiang

GT 2014; V05AT12A019https://doi.org/10.1115/GT2014-25697

Abstract

View Articletitled, Numerical Investigation of Swirl Cooling Heat Transfer Enhancement on Blade Leading Edge by Adding Water Mist

PDF

Topics: Blades , Cooling , Heat transfer , Water , Airfoils , Temperature , Turbine blades

Combined Effects of Perforated Blockages and Pin Fins in a Trailing Edge Internal Cooling Duct

Rui Kan, Jing Ren, Hongde Jiang

GT 2014; V05AT12A020https://doi.org/10.1115/GT2014-25767

Abstract

View Articletitled, Combined Effects of Perforated Blockages and Pin Fins in a Trailing Edge Internal Cooling Duct

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Topics: Cooling , Ducts , Fins , Friction , Heat transfer , Flow (Dynamics) , Heat transfer coefficients , Pressure , Capacitance , Gas turbines

Investigation of Applicability of Transporting Water Mist for Cooling Turbine Blades

Ting Wang, Reda Ragab

GT 2014; V05AT12A021https://doi.org/10.1115/GT2014-25818

Abstract

View Articletitled, Investigation of Applicability of Transporting Water Mist for Cooling Turbine Blades

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Topics: Cooling , Turbine blades , Water , Blades , Computational fluid dynamics , Gas turbines , Cavities , Diaphragms (Mechanical devices) , Diaphragms (Structural) , Drops

Effect of Rotation on Heat Transfer and Flow Field Inside Leading Edge Cooling Passage Using Impinging Jets

Karthikeyan Paramanandam, Sridharan Narayanan, Chandiran Jayamurugan, Balamurugan Srinivasan

GT 2014; V05AT12A022https://doi.org/10.1115/GT2014-25824

Abstract

View Articletitled, Effect of Rotation on Heat Transfer and Flow Field Inside Leading Edge Cooling Passage Using Impinging Jets

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Topics: Cooling , Flow (Dynamics) , Heat transfer , Jets , Rotation , Blades , Computational fluid dynamics , Engineering simulation , Mach number , Simulation

Impact of Turbulator Design on the Heat Transfer in a High Aspect Ratio Passage of a Turbine Blade

S. Naik, S. Retzko, M. Gritsch, A. Sedlov

GT 2014; V05AT12A023https://doi.org/10.1115/GT2014-25841

Abstract

View Articletitled, Impact of Turbulator Design on the Heat Transfer in a High Aspect Ratio Passage of a Turbine Blade

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Topics: Design , Heat transfer , Turbine blades , Heat transfer coefficients , Pressure , Pressure drop , Temperature , Blades , Coolants , Cooling

Leading Edge Cooling of a Gas Turbine Blade With Double Swirl Chambers

Karsten Kusterer, Gang Lin, Dieter Bohn, Takao Sugimoto, Ryozo Tanaka, Masahide Kazari

GT 2014; V05AT12A024https://doi.org/10.1115/GT2014-25851

Abstract

View Articletitled, Leading Edge Cooling of a Gas Turbine Blade With Double Swirl Chambers

PDF

Topics: Blades , Cooling , Gas turbines , Flow (Dynamics) , Heat transfer , Impingement cooling , Coolants , Heat flux , Pressure , Reynolds number

Heat Transfer Enhancement Using Wedge-Shaped Detached Ribs With Grooves in Internal Cooling Channel

Gang Lin, Karsten Kusterer, Viktor Merkel, Dieter Bohn

GT 2014; V05AT12A025https://doi.org/10.1115/GT2014-25863

Abstract

View Articletitled, Heat Transfer Enhancement Using Wedge-Shaped Detached Ribs With Grooves in Internal Cooling Channel

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Topics: Cooling , Heat transfer , Wedges , Corners (Structural elements) , Flow (Dynamics) , Blades , Boundary-value problems , Dimensions , Gas turbines , Heat

Modified Transient Infrared Methodology for Leading Edge Impingement Measurements

David B. Helmer

GT 2014; V05AT12A026https://doi.org/10.1115/GT2014-25884

Abstract

View Articletitled, Modified Transient Infrared Methodology for Leading Edge Impingement Measurements

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Topics: Transients (Dynamics) , Energy budget (Physics) , Flow (Dynamics) , Gages , Heat conduction , Heat transfer coefficients , Rapid prototyping , Reynolds number , Testing , Transient heat transfer

The Influence of Coolant Unsteadiness on Impingement Heat Transfer

Victor J. Zimmer, James L. Rutledge, Chris Knieriem, Shichuan Ou

GT 2014; V05AT12A027https://doi.org/10.1115/GT2014-25897

Abstract

View Articletitled, The Influence of Coolant Unsteadiness on Impingement Heat Transfer

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Topics: Coolants , Heat transfer , Flow (Dynamics) , Engines , Convection , Flow control , Impingement cooling , Jets , Operating temperature , Resolution (Optics)

Detailed Heat Transfer Distributions of Narrow Impingement Channels With Varying Jet Diameter

Alexandros Terzis, Magali Cochet, Jens von Wolfersdorf, Bernhard Weigand, Peter Ott

GT 2014; V05AT12A028https://doi.org/10.1115/GT2014-25910

Abstract

View Articletitled, Detailed Heat Transfer Distributions of Narrow Impingement Channels With Varying Jet Diameter

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Topics: Heat transfer , Airfoils , Coolants , Cooling , Design , Discharge coefficient , Geometry , Heat transfer coefficients , Jets , Liquid crystals

Heat Transfer Enhancement for a Turbine Blade Leading Edge Passage Using Various Turbulator Geometries

H. Saxer-Felici, S. Naik, M. Gritsch, A. Sedlov

GT 2014; V05AT12A029https://doi.org/10.1115/GT2014-26130

Abstract

View Articletitled, Heat Transfer Enhancement for a Turbine Blade Leading Edge Passage Using Various Turbulator Geometries

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Topics: Heat transfer , Turbine blades , Pressure , Blades , Cooling , Gas turbines , Flow (Dynamics) , Suction , Coolants , Geometry

Numerical and Experimental Investigation for Internal Cooling of Two Pass Gas Turbine Blades Channels Using Broken V Ribs

Sourabh Kumar, R. S. Amano

GT 2014; V05AT12A030https://doi.org/10.1115/GT2014-26147

Abstract

View Articletitled, Numerical and Experimental Investigation for Internal Cooling of Two Pass Gas Turbine Blades Channels Using Broken V Ribs

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Topics: Blades , Cooling , Gas turbines , Temperature , Ducts , Heat transfer , High temperature , Reynolds number , Thermal efficiency , Thermal stresses

Experimental Investigation of Leading Edge Impingement Under High Rotation Numbers With Racetrack Shaped Jets

Weston V. Harmon, Cassius A. Elston, Lesley M. Wright

GT 2014; V05AT12A031https://doi.org/10.1115/GT2014-26181

Abstract

View Articletitled, Experimental Investigation of Leading Edge Impingement Under High Rotation Numbers With Racetrack Shaped Jets

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Topics: Jets , Rotation , Heat transfer , Cooling , Cross-flow , Heat transfer coefficients , Reynolds number

Numerical Investigation of an Integrated Impingement and Pin-Fin Cooling Configuration in a Wedge Duct

Xiaoxing Feng, Shuqing Tian, Jiangtao Bai, Hong Zhang, Kefei Wang, Hui Wang

GT 2014; V05AT12A032https://doi.org/10.1115/GT2014-26185

Abstract

View Articletitled, Numerical Investigation of an Integrated Impingement and Pin-Fin Cooling Configuration in a Wedge Duct

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Topics: Cooling , Ducts , Wedges , Heat transfer , Fins , Blades , Algorithms , Computational fluid dynamics , Computer simulation , Design

Hybrid RANS/LES of Flow in a Rib-Roughened Rotating Channel

Slawomir Kubacki, Jacek Rokicki, Erik Dick

GT 2014; V05AT12A033https://doi.org/10.1115/GT2014-26194

Abstract

View Articletitled, Hybrid RANS/LES of Flow in a Rib-Roughened Rotating Channel

PDF

Topics: Flow (Dynamics) , Reynolds-averaged Navier–Stokes equations , Rotation , Ducts , Fluctuations (Physics)

Experimental Investigation of a Leading Edge Cooling System With Optimized Inclined Racetrack Holes

Carlo Carcasci, Bruno Facchini, Lorenzo Tarchi, Nils Ohlendorf

GT 2014; V05AT12A034https://doi.org/10.1115/GT2014-26219

Abstract

View Articletitled, Experimental Investigation of a Leading Edge Cooling System With Optimized Inclined Racetrack Holes

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Topics: Cooling systems , Cavities , Cooling , Engines , Film cooling , Flow (Dynamics) , Geometry , Heat transfer , High pressure (Physics) , Liquid crystals

Unsteady RANS Analysis of Particles Deposition in the Coolant Channel of a Gas Turbine Blade Using a Non-Linear Model

Domenico Borello, Paolo Capobianchi, Marco De Petris, Franco Rispoli, Paolo Venturini

GT 2014; V05AT12A035https://doi.org/10.1115/GT2014-26252

Abstract

View Articletitled, Unsteady RANS Analysis of Particles Deposition in the Coolant Channel of a Gas Turbine Blade Using a Non-Linear Model

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Topics: Blades , Coolants , Gas turbines , Particulate matter , Reynolds-averaged Navier–Stokes equations , Flow (Dynamics) , Cooling , Algorithms , Ash , Compressors

Wireless Telemetric Data Acquisition and Real-Time Control for a High Measurement-Density Internal Heat Transfer Experiment

Alexander J. Habib, Jeffery L. Barton, Randall M. Mathison, Michael G. Dunn

GT 2014; V05AT12A036https://doi.org/10.1115/GT2014-26408

Abstract

View Articletitled, Wireless Telemetric Data Acquisition and Real-Time Control for a High Measurement-Density Internal Heat Transfer Experiment

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Topics: Data acquisition , Density , Heat transfer , Real-time control , Signals , Control systems , Feedback , Temperature , Batteries , Construction

Crossflows From Jet Array Impingement Cooling: Effects of Hole Array Spacing, Jet-to-Target Plate Distance, and Reynolds Number

Junsik Lee, Zhong Ren, Phil Ligrani, Michael D. Fox, Hee-Koo Moon

GT 2014; V05AT12A037https://doi.org/10.1115/GT2014-26426

Abstract

View Articletitled, Crossflows From Jet Array Impingement Cooling: Effects of Hole Array Spacing, Jet-to-Target Plate Distance, and Reynolds Number

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Topics: Impingement cooling , Reynolds number , Jets , Cross-flow , Shear (Mechanics) , Heat transfer , Turbulence , Vortices

An Experimental Study of Detailed Flow and Heat Transfer Analysis in a Single Row Narrow Impingement Channel

Jahed Hossain, Lucky V. Tran, Jayanta S. Kapat, Erik Fernandez, Rajan Kumar

GT 2014; V05AT12A038https://doi.org/10.1115/GT2014-26498

Abstract

View Articletitled, An Experimental Study of Detailed Flow and Heat Transfer Analysis in a Single Row Narrow Impingement Channel

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Topics: Flow (Dynamics) , Heat transfer , Jets , Physics , Computational fluid dynamics , Cross-flow , Large eddy simulation , Particulate matter , Reynolds number , Reynolds-averaged Navier–Stokes equations

Numerical Studies on Effect of Channel Orientation in a Rotating Smooth Wedge-Shaped Cooling Channel

Balamurugan Srinivasan, Anand Dhamarla, Chandiran Jayamurugan, Amarnath Balu Rajan

GT 2014; V05AT12A039https://doi.org/10.1115/GT2014-26560

Abstract

View Articletitled, Numerical Studies on Effect of Channel Orientation in a Rotating Smooth Wedge-Shaped Cooling Channel

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Topics: Cooling , Wedges , Heat transfer , Turbine blades , Rotation , Computational fluid dynamics , Fins , Gas turbines , Heat transfer coefficients , Temperature

Effect of Entrance Geometry and Rotation on Heat Transfer in a Narrow (AR = 1:4) Rectangular Internal Cooling Channel

Krishnendu Saha, Sumanta Acharya

GT 2014; V05AT12A040https://doi.org/10.1115/GT2014-26602

Abstract

View Articletitled, Effect of Entrance Geometry and Rotation on Heat Transfer in a Narrow (AR = 1:4) Rectangular Internal Cooling Channel

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Topics: Cooling , Geometry , Heat transfer , Rotation , Flow (Dynamics) , Computer simulation , Shapes , Blades , Density , Fluid dynamics

Two Dimensional Heat Transfer Distribution of a Rotating Ribbed Channel at Different Reynolds Numbers

Ignacio Mayo, Ahmed El-Habib, Tony Arts, Benjamin Parres

GT 2014; V05AT12A041https://doi.org/10.1115/GT2014-26616

Abstract

View Articletitled, Two Dimensional Heat Transfer Distribution of a Rotating Ribbed Channel at Different Reynolds Numbers

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Topics: Heat transfer , Reynolds number , Rotation , Flow (Dynamics) , Turbulence , Convection , Heat transfer coefficients , Accuracy and precision , Boundary-value problems , Cooling

Numerical Study of Impingement and Film Composite Cooling on Blade Leading Edge

Zhao Liu, Lv Ye, Zhenping Feng

GT 2014; V05AT12A042https://doi.org/10.1115/GT2014-26643

Abstract

View Articletitled, Numerical Study of Impingement and Film Composite Cooling on Blade Leading Edge

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Topics: Blades , Composite materials , Cooling , Density , Shear stress , Simulation , Computational fluid dynamics , Computer software , Engines , High pressure (Physics)

Friction and Heat Transfer in a Rotating Rib-Roughened Square U-Duct Under High Rotation Numbers

Xuewang Wu, Zhi Tao, Lu Qiu, Shuqing Tian, Yang Li

GT 2014; V05AT12A043https://doi.org/10.1115/GT2014-26663

Abstract

View Articletitled, Friction and Heat Transfer in a Rotating Rib-Roughened Square U-Duct Under High Rotation Numbers

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Topics: Ducts , Friction , Heat transfer , Rotation , Copper , Heat transfer coefficients , Pressure , Pressure drop , Pressure measurement , Reynolds number

Secondary Flow and Heat Transfer Coefficient Distributions in the Developing Flow Region of Ribbed Turbine Blade Cooling Passages

Peter R. Forsyth, Matthew McGilvray, David R. H. Gillespie

GT 2014; V05AT12A044https://doi.org/10.1115/GT2014-26737

Abstract

View Articletitled, Secondary Flow and Heat Transfer Coefficient Distributions in the Developing Flow Region of Ribbed Turbine Blade Cooling Passages

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Topics: Cooling , Flow (Dynamics) , Heat transfer coefficients , Turbine blades , Heat transfer , Computer simulation , Aerodynamic flow , Composite materials , Computational fluid dynamics , Engineering simulation

Investigation of Wrapping Ribs Onto Smooth Walls for Mid-Chord Internal Cooling Passages

Matthew McGilvray, David Gillespie, Josh Ryley

GT 2014; V05AT12A045https://doi.org/10.1115/GT2014-26800

Abstract

View Articletitled, Investigation of Wrapping Ribs Onto Smooth Walls for Mid-Chord Internal Cooling Passages

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Topics: Chords (Trusses) , Cooling , Heat transfer , Turbulence , Pressure , Reynolds number , Flow (Dynamics) , Friction , Kinetic energy , Reynolds-averaged Navier–Stokes equations

Augmented Heat Transfer for Angled Rib With Intersecting Rib in Rectangular Channels of Different Aspect Ratios

Heeyoon Chung, Jun Su Park, Sehjin Park, Seok Min Choi, Hyung Hee Cho, Dong-Ho Rhee

GT 2014; V05AT12A046https://doi.org/10.1115/GT2014-26924

Abstract

View Articletitled, Augmented Heat Transfer for Angled Rib With Intersecting Rib in Rectangular Channels of Different Aspect Ratios

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Topics: Heat transfer , Heat , Mass transfer , Vortices

Heat Transfer and Pressure Loss Characteristics of a Narrow Internal Cooling Passage at Low Reynolds Number

Sin Chien Siw, Nicholas Miller, Minking K. Chyu, Mary Anne Alvin

GT 2014; V05AT12A047https://doi.org/10.1115/GT2014-27077

Abstract

View Articletitled, Heat Transfer and Pressure Loss Characteristics of a Narrow Internal Cooling Passage at Low Reynolds Number

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Topics: Cooling , Heat transfer , Pressure , Reynolds number , Airfoils , Computational fluid dynamics , Computer software , Dimensions , Flow (Dynamics) , Gas turbines

Heat Transfer and Friction Studies in a Tilted and Rib-Roughened Trailing-Edge Cooling Cavity With and Without the Trailing-Edge Cooling Holes

Mohammad Taslim, Joseph S. Halabi

GT 2014; V05AT12A048https://doi.org/10.1115/GT2014-27130

Abstract

View Articletitled, Heat Transfer and Friction Studies in a Tilted and Rib-Roughened Trailing-Edge Cooling Cavity With and Without the Trailing-Edge Cooling Holes

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Topics: Cavities , Cooling , Friction , Heat transfer , Airfoils , Boundary-value problems , Flow (Dynamics) , Heat transfer coefficients , Pressure , Turbulence

Particle Deposition in Internal Cooling Cavities of a Nozzle Guide Vane: Part I — Experimental Investigation

C. Clum, E. Bokar, B. Casaday, J. P. Bons

GT 2014; V05AT12A049https://doi.org/10.1115/GT2014-27150

Abstract

View Articletitled, Particle Deposition in Internal Cooling Cavities of a Nozzle Guide Vane: Part I — Experimental Investigation

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Topics: Cavities , Cooling , Nozzle guide vanes , Particulate matter , Flow (Dynamics) , Jets , Temperature , Heating , Impingement cooling , Low temperature

Particle Deposition in Internal Cooling Cavities of a Nozzle Guide Vane: Part II — Analytical and Computational Modeling

B. Casaday, C. Clum, J. P. Bons

GT 2014; V05AT12A050https://doi.org/10.1115/GT2014-27155

Abstract

View Articletitled, Particle Deposition in Internal Cooling Cavities of a Nozzle Guide Vane: Part II — Analytical and Computational Modeling

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Topics: Cavities , Computer simulation , Cooling , Nozzle guide vanes , Particulate matter , Shear (Mechanics) , Engineering simulation , Simulation , Particle collisions , Film cooling