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ASME Turbo Expo 2004: Power for Land, Sea, and Air

June 14–17, 2004

Vienna, Austria

Conference Sponsors:

ISBN:

0-7918-4168-5

In This Volume

Heat Transfer (95)

Volume 3: Turbo Expo 2004

Heat Transfer

Numerical Predication of Swept Blade Aerodynamic Effects

C. Xu, R. S. Amano

GT 2004; 1-9doi:https://doi.org/10.1115/GT2004-53008

Abstract

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Topics: Blades , Flow (Dynamics) , Compressors , Computational fluid dynamics , Turbine blades , Turbomachinery , Airfoils , Pressure , Rotors , Turbulence

Effect of Coriolis and Centrifugal Forces on Turbulence and Heat Transfer at High Rotation and Buoyancy Numbers in a Rib-Roughened Internal Cooling Channel

A. K. Sleiti, J. S. Kapat

GT 2004; 11-21doi:https://doi.org/10.1115/GT2004-53018

Abstract

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Topics: Buoyancy , Centrifugal force , Cooling , Heat transfer , Rotation , Turbulence , Density , Flow (Dynamics) , Geometry , Stress

Computational Study of Parameters Affecting Turbulent Flat Plate Film Cooling

Shadi Mahjoob, Mohammad Taeibi-Rahni

GT 2004; 23-32doi:https://doi.org/10.1115/GT2004-53027

Abstract

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Topics: Film cooling , Flat plates , Turbulence , Blades , Computational fluid dynamics , Flow (Dynamics) , Gas turbines

Fluid Flow and Heat Transfer in Rotating Curved Duct at High Rotation and Density Ratios

A. K. Sleiti, J. S. Kapat

GT 2004; 33-43doi:https://doi.org/10.1115/GT2004-53028

Abstract

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Topics: Density , Ducts , Fluid dynamics , Heat transfer , Rotation , Buoyancy , Flow (Dynamics) , Turbulence , Anisotropy , Centrifugal force

Investigation of the Conjugate Convective-Conductive Thermal Behavior of a Rib-Roughened Internal Cooling Channel

Roberto Fedrizzi, Tony Arts

GT 2004; 45-53doi:https://doi.org/10.1115/GT2004-53046

Abstract

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Topics: Convection , Cooling , Heat conduction , Heat transfer

Film Cooling in Unsteady Flow With Separation Bubble

M. Deinert, J. Hourmouziadis

GT 2004; 55-66doi:https://doi.org/10.1115/GT2004-53075

Abstract

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Topics: Bubbles , Film cooling , Separation (Technology) , Unsteady flow , Flat plates , Pressure , Cooling , Flow (Dynamics) , Air flow , Blades

Aerothermal Investigations on Turbine Endwalls and Blades (AITEB)

F. Haselbach, H. P. Schiffer

GT 2004; 67-76doi:https://doi.org/10.1115/GT2004-53078

Abstract

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Topics: Blades , Turbines , Cooling , Computational fluid dynamics , Heat transfer , Flow (Dynamics) , Design , Aircraft engines , Computer simulation , Engineers

Parametric Effects on Heat Transfer of Impingement on Dimpled Surface

Koonlaya Kanokjaruvijit, Ricardo F. Martinez-Botas

GT 2004; 77-88doi:https://doi.org/10.1115/GT2004-53142

Abstract

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Topics: Heat transfer , Pressure measurement , Cooling , Flat plates , Geometry , Reynolds number , Vortices

Preliminary Evaluation of Turbulence Level Influence in Heat Transfer Measurements

Carlo Carcasci, Luca Innocenti, Marco Surace

GT 2004; 89-100doi:https://doi.org/10.1115/GT2004-53151

Abstract

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Topics: Heat transfer , Manipulators , Turbulence , Wire

Pedestal and Endwall Contribution in Heat Transfer in Thin Wedge Shaped Trailing Edge

Bruno Facchini, Luca Innocenti, Lorenzo Tarchi

GT 2004; 101-111doi:https://doi.org/10.1115/GT2004-53152

Abstract

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Topics: Heat transfer , Transients (Dynamics) , Wedges , Heat transfer coefficients , Aluminum , Cooling , Cooling systems , Airfoils , Ducts , Finite element analysis

Gas Turbine Combustor Heat Shield Impingement Cooling Baffle

Ardeshir Riahi, Fred G. Borns

GT 2004; 113-123doi:https://doi.org/10.1115/GT2004-53160

Abstract

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Topics: Combustion chambers , Gas turbines , Heat shielding , Impingement cooling , Flow (Dynamics) , Heat transfer , Convection , Cross-flow , Stress , Temperature

Investigation of a High Aspect Ratio Rectangular Channel With High Blockage Ratio Round-Corner Ribs

Christophe Diette, Tony Arts, Olivier Sgarzi, Emmanuel Laroche

GT 2004; 125-136doi:https://doi.org/10.1115/GT2004-53163

Abstract

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Topics: Corners (Structural elements) , Flow (Dynamics) , Heat transfer , Computer simulation , Cooling , Liquid crystals , Manufacturing , Pressure drop , Reynolds number , Thermography

Flowfield and Pressure Measurements in a Rotating Two-Pass Duct With Staggered Rounded Ribs Skewed 45° to the Flow

Tong-Miin Liou, Yi-Sian Hwang, Yi-Chen Li

GT 2004; 137-146doi:https://doi.org/10.1115/GT2004-53173

Abstract

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Topics: Ducts , Flow (Dynamics) , Pressure measurement , Friction , Pressure , Rotation , Computational fluid dynamics , Heat transfer , Kinetic energy , Lasers

Conjugate Heat Transfer Modelling in Film Cooled Blades

F. Montomoli, P. Adami, S. Della Gatta, F. Martelli

GT 2004; 147-156doi:https://doi.org/10.1115/GT2004-53177

Abstract

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Topics: Blades , Heat transfer , Modeling , Computational fluid dynamics , Cooling , Design , Flow (Dynamics) , Gas turbines , Metals , Nozzle guide vanes

Experimental and Numerical Investigation of Stationary Ribbed Ducts

A. Magi, F. Montomoli, P. Adami, C. Carcasci

GT 2004; 157-165doi:https://doi.org/10.1115/GT2004-53180

Abstract

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Topics: Ducts , Heat transfer , Computational fluid dynamics , Computer simulation , Coolants , Modeling , Numerical analysis , Resolution (Optics) , Simulation , Turbulence

Optimization of the Rib Structure Inside a 2D Cooling Channel

Andrea Haasenritter, Bernhard Weigand

GT 2004; 167-176doi:https://doi.org/10.1115/GT2004-53187

Abstract

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Topics: Cooling , Optimization , Design , Engineers , Flow (Dynamics) , Friction , Genetic algorithms , Heat , Heat transfer , Industrial gases

Numerical Prediction of Film Cooling and Heat Transfer With Different Film-Hole Arrangements on the Plane and Squealer Tip of a Gas Turbine Blade

Huitao Yang, Hamn-Ching Chen, Je-Chin Han

GT 2004; 177-187doi:https://doi.org/10.1115/GT2004-53199

Abstract

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Topics: Blades , Film cooling , Gas turbines , Heat transfer , Heat transfer coefficients , Leakage flows , Stress , Coolants , Equilibrium (Physics) , Heat

High Coverage Blade Tip Film Cooling

M. Kuwabara, Keizo Tsukagoshi, T. Arts

GT 2004; 189-199doi:https://doi.org/10.1115/GT2004-53226

Abstract

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Topics: Blades , Film cooling , Cooling , Engines , Gas turbines , Pressure , Turbine blades , Turbines , Aircraft engines , Airfoils

The Effect of Freestream Turbulence on Film Cooling Heat Transfer Coefficient and Adiabatic Effectiveness Using Compound Angle Holes

James E. Mayhew, James W. Baughn, Aaron R. Byerley

GT 2004; 201-212doi:https://doi.org/10.1115/GT2004-53230

Abstract

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Topics: Boundary-value problems , Film cooling , Heat transfer , Heat transfer coefficients , Liquid crystals , Turbulence

Experimental Study of the Flow and Thermal Development of a Row of Cooling Jets Impinging on a Rotating Concave Surface

Hector Iacovides, Diamantis Kounadis, Brian E. Launder, Jiankang Li, Zeyuan Xu

GT 2004; 213-222doi:https://doi.org/10.1115/GT2004-53244

Abstract

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Topics: Cooling , Flow (Dynamics) , Jets , Rotation , Fluids , Flow visualization , Heat transfer , Impingement cooling , Liquid crystals , Reynolds number

Turbulent Flow and Heat Transfer in Stationary and Rotating Cooling Passages With Inclined Ribs on Opposite Walls

Hector Iacovides, Mehrdad Raisee

GT 2004; 223-232doi:https://doi.org/10.1115/GT2004-53245

Abstract

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Topics: Cooling , Heat transfer , Turbulence , Flow (Dynamics) , Ducts , Rotation , Computation , Fluids , Prandtl number , Pressure

Effectiveness of Normal and Angled Slot Cooling

A. C. Smith, J. H. Hatchett, A. C. Nix, W. F. Ng, K. A. Thole, Frank J. Cunha

GT 2004; 233-240doi:https://doi.org/10.1115/GT2004-53248

Abstract

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Topics: Cooling , Mach number , Film cooling , Computational fluid dynamics , Collapse , Engineering simulation , Engines , Flow (Dynamics) , Physics , Simulation

Film-Cooling Effectiveness on a Gas Turbine Blade Tip Using Pressure Sensitive Paint

Jaeyong Ahn, Shantanu Mhetras, Je-Chin Han

GT 2004; 241-250doi:https://doi.org/10.1115/GT2004-53249

Abstract

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Topics: Blades , Film cooling , Gas turbines , Paints , Pressure , Cascades (Fluid dynamics) , Nitrogen , Oxygen , Chords (Trusses) , Clearances (Engineering)

Measured Adiabatic Effectiveness and Heat Transfer for Blowing From the Tip of a Turbine Blade

J. Christophel, E. Couch, K. A. Thole, F. J. Cunha

GT 2004; 251-261doi:https://doi.org/10.1115/GT2004-53250

Abstract

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Topics: Heat transfer , Turbine blades , Blades , Cooling , Clearances (Engineering) , Leakage flows , Alloys , Cascades (Fluid dynamics) , Combustion gases , Coolants

Cooling the Tip of a Turbine Blade Using Pressure Side Holes: Part 1 — Adiabatic Effectiveness Measurements

J. R. Christophel, K. A. Thole, F. J. Cunha

GT 2004; 263-271doi:https://doi.org/10.1115/GT2004-53251

Abstract

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Topics: Cooling , Pressure , Turbine blades , Blades , Engines , Coolants , Sealing (Process) , Cascades (Fluid dynamics) , Durability , Film cooling

Cooling the Tip of a Turbine Blade Using Pressure Side Holes: Part 2 — Heat Transfer Measurements

J. R. Christophel, K. A. Thole, F. J. Cunha

GT 2004; 273-282doi:https://doi.org/10.1115/GT2004-53254

Abstract

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Topics: Cooling , Heat transfer , Pressure , Turbine blades , Blades , Coolants , Clearances (Engineering) , Flow (Dynamics) , Heat flux , Leakage flows

Gas Turbine Engine Durability Impacts of High Fuel-Air Ratio Combustors: Near Wall Reaction Effects on Film-Cooled Backward-Facing Step Heat Transfer

David W. Milanes, Daniel R. Kirk, Krzysztof J. Fidkowski, Ian A. Waitz

GT 2004; 283-294doi:https://doi.org/10.1115/GT2004-53259

Abstract

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Topics: Combustion chambers , Durability , Fuels , Gas turbines , Heat transfer , Flow (Dynamics) , Chemical reactions , Engines , Cooling , Film cooling

Experimental Measurements and Modeling of the Effects of Large-Scale Freestream Turbulence on Heat Transfer

A. C. Nix, T. E. Diller, W. F. Ng

GT 2004; 295-303doi:https://doi.org/10.1115/GT2004-53260

Abstract

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Topics: Heat transfer , Modeling , Turbulence , Blades , Cascades (Fluid dynamics) , Combustion chambers , Flow (Dynamics) , Heat flux , Turbine blades , Turbines

Heat Transfer in Two-Pass Rotating Rectangular Channels (AR=1:2 and AR=1:4) With 45° Angled Rib Turbulators

Wen-Lung Fu, Lesley M. Wright, Je-Chin Han

GT 2004; 305-315doi:https://doi.org/10.1115/GT2004-53261

Abstract

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Topics: Heat transfer , Rotation , Heat transfer coefficients , Coolants , Density , Flow (Dynamics) , Reynolds number

Experimental and Computational Investigation of Heat Transfer Effectiveness and Pressure Distribution of a Shrouded Blade Tip Section

Nirm V. Nirmalan, Jeremy C. Bailey, Mark E. Braaten

GT 2004; 317-328doi:https://doi.org/10.1115/GT2004-53279

Abstract

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Topics: Blades , Heat transfer , Pressure , Airfoils , Coolants , Flow (Dynamics) , Cascades (Fluid dynamics) , Clearances (Engineering) , Mach number , Reynolds number

Heat Transfer Analysis of a Wedge Shaped Duct With Pin Fin and Pedestal Arrays: A Comparison Between Numerical and Experimental Results

Antonio Andreini, Carlo Carcasci, Andrea Magi

GT 2004; 329-339doi:https://doi.org/10.1115/GT2004-53319

Abstract

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Topics: Computational fluid dynamics , Ducts , Heat transfer , Wedges

Simulated Land-Based Turbine Deposits Generated in an Accelerated Deposition Facility

Jared W. Jensen, Sean W. Squire, Jeffrey P. Bons, Thomas H. Fletcher

GT 2004; 341-351doi:https://doi.org/10.1115/GT2004-53324

Abstract

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Topics: Turbines , Particulate matter , Temperature , Flow (Dynamics) , Gas turbines , Mach number , Turbine blades , Blades , Ceramics , Cities

Adiabatic Effectiveness Measurements of Endwall Film-Cooling for a First Stage Vane

D. G. Knost, K. A. Thole

GT 2004; 353-362doi:https://doi.org/10.1115/GT2004-53326

Abstract

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Topics: Film cooling , Pressure , Jets , Turbines , Coolants , Flow (Dynamics) , Junctions , Leakage flows , Combustion chambers , Compressors

Modeling and Validation of the Thermal Effects on Gas Turbine Transients

Annette E. Nielsen, Christoph W. Moll, Stephan Staudacher

GT 2004; 363-374doi:https://doi.org/10.1115/GT2004-53344

Abstract

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Topics: Gas turbines , Modeling , Temperature effects , Transients (Dynamics) , Clearances (Engineering) , Engines , Stability , Thermomechanics , Air flow , Cooling

Optimization of Three-Dimensional Angled Ribs With RANS Analysis of Turbulent Heat Transfer

Hong-Min Kim, Kwang-Yong Kim

GT 2004; 375-381doi:https://doi.org/10.1115/GT2004-53346

Abstract

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Topics: Optimization , Reynolds-averaged Navier–Stokes equations , Turbulent heat transfer , Heat transfer , Shapes , Turbulence , Design , Experimental design , Fluid dynamics , Friction

Flowfield Measurements in a Ribbed Channel Relevant to Internal Turbine Blade Cooling

A. Graham, E. Sewall, K. A. Thole

GT 2004; 383-391doi:https://doi.org/10.1115/GT2004-53361

Abstract

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Topics: Cooling , Turbine blades , Flow (Dynamics) , Friction , Blades , Heat transfer coefficients , Lasers , Pressure , Reynolds number , Temperature

On Annulus Flow Characteristics and Performance of Dilution Holes in a Gas Turbine Combustor

M. D. Agrawal, Sanjeev Bharani

GT 2004; 393-400doi:https://doi.org/10.1115/GT2004-53376

Abstract

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Topics: Annulus , Combustion chambers , Discharge coefficient , Flow (Dynamics) , Gas turbines , Pressure

Analytical Approach to Steam Turbine Heat Transfer in a Combined Cycle Power Plant

Howard M. Brilliant, Anil K. Tolpadi

GT 2004; 401-409doi:https://doi.org/10.1115/GT2004-53387

Abstract

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Topics: Combined cycle power stations , Heat transfer , Steam turbines , Cycles , Flow (Dynamics) , Combined cycles , Computational fluid dynamics , Diaphragms (Mechanical devices) , Diaphragms (Structural) , Gas turbines

Large Eddy Simulation of Flow and Heat Transfer in a Channel Roughened by Square or Semicircle Ribs

Joon Ahn, Haecheon Choi, Joon Sik Lee

GT 2004; 411-418doi:https://doi.org/10.1115/GT2004-53401

Abstract

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Topics: Flow (Dynamics) , Heat transfer , Large eddy simulation , Turbulence , Simulation , Drag (Fluid dynamics) , Fluids , Blades , Cooling , Flow separation

Effects of Tip Gap Film Injection From Plain and Squealer Blade Tips

Hasan Nasir, Srinath V. Ekkad, Ronald S. Bunker, Chander Prakash

GT 2004; 419-427doi:https://doi.org/10.1115/GT2004-53455

Abstract

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Topics: Blades , Cascades (Fluid dynamics) , Pressure , Transients (Dynamics) , Chords (Trusses) , Heat transfer coefficients , Mach number , Reynolds number , Rotors

A Low-Re RSTM Model for Computations of Heat Transfer and Fluid Flow for Impingement and Convective Cooling

Rongguang Jia, Bengt Sunde´n

GT 2004; 429-437doi:https://doi.org/10.1115/GT2004-53459

Abstract

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Topics: Channel flow , Computation , Cooling , Damping , Engineering systems and industry applications , Flow (Dynamics) , Fluid dynamics , Heat transfer , Nozzles , Pressure

Aerodynamic and Heat-Flux Measurements With Predictions on a Modern One and 1/2 Stage High Pressure Transonic Turbine

Charles W. Haldeman, Michael G. Dunn, John W. Barter, Brian R. Green, Robert F. Bergholz

GT 2004; 439-450doi:https://doi.org/10.1115/GT2004-53478

Abstract

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Topics: Heat flux , High pressure (Physics) , Turbines , Design , Airfoils , Pressure , Reynolds number , Entropy , Arches , Blades

Internal Cooling in 4:1 AR Passages at High Rotation Numbers

Fuguo Zhou, Jonathan Lagrone, Sumanta Acharya

GT 2004; 451-460doi:https://doi.org/10.1115/GT2004-53501

Abstract

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Topics: Cooling , Rotation , Heat transfer , Coolants , Density , Pressure drop , Reynolds number , Thermocouples

Direct Numerical Simulation of a Film Cooling Jet

Frank Muldoon, Sumanta Acharya

GT 2004; 461-473doi:https://doi.org/10.1115/GT2004-53502

Abstract

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Topics: Computer simulation , Film cooling , Turbulence , Flow (Dynamics) , Energy dissipation , Kinetic energy , Physics , Reynolds number , Statistics

Heat Transfer Characteristic Inside Two-Pass Variable Cross-Section Channels With Ribs and Bleed Holes

Xiangyun Liu, Shuiting Ding, Zhi Tao, Guoqiang Xu

GT 2004; 475-481doi:https://doi.org/10.1115/GT2004-53529

Abstract

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Topics: Heat transfer

An Investigation of Duct Aspect Ratio Effects on Heat/Mass Transfer in a Rotating Duct With 90° Ribs

Kyung Min Kim, Yun Young Kim, Dong Ho Rhee, Hyung Hee Cho

GT 2004; 483-492doi:https://doi.org/10.1115/GT2004-53533

Abstract

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Topics: Ducts , Heat , Mass transfer , Rotation , Flow (Dynamics) , Pipes , Reynolds number , Vortices

Features of a Cooling System Simulation Tool Used in Industrial Preliminary Design Stage

Stefano Zecchi, Lorenzo Arcangeli, Bruno Facchini, Daniele Coutandin

GT 2004; 493-501doi:https://doi.org/10.1115/GT2004-53547

Abstract

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Topics: Cooling systems , Design , Simulation , Blades , Flow (Dynamics) , Heat transfer , Temperature , Coolants , Metals , Pressure

Numerical Analysis of Crossflow and Single Jet Impinging on a Heated Surface With Shaped Groove

Stefano Zecchi, Alessandro Bacci

GT 2004; 503-512doi:https://doi.org/10.1115/GT2004-53549

Abstract

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Topics: Numerical analysis , Cooling , Cross-flow , Ducts , Flow (Dynamics) , Heat transfer , Impingement cooling , Computational fluid dynamics , Gas turbines , Temperature

Expansion Line Modeling and Strength Diagnostics of Internally Cooled Gas Turbines

Tadeusz Chmielniak, Wojciech Kosman

GT 2004; 513-520doi:https://doi.org/10.1115/GT2004-53550

Abstract

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Topics: Gas turbines , Modeling , Temperature , Cooling , Creep , Blades , Stress , Thermal stresses , Convection , Durability

The Transient Liquid Crystal Technique: Influence of Surface Curvature and Finite Wall Thickness

G. Wagner, M. Kotulla, P. Ott, B. Weigand, J. von Wolfersdorf

GT 2004; 521-531doi:https://doi.org/10.1115/GT2004-53553

Abstract

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Topics: Liquid crystals , Transients (Dynamics) , Wall thickness , Cylinders , Flat plates , Heat transfer , Blades , Gas turbines , Heat , Heat transfer coefficients

Detailed Flow Investigation Using PIV in a Typical Turbine Cooling Geometry With Ribbed Walls

M. Elfert, M. P. Jarius, B. Weigand

GT 2004; 533-545doi:https://doi.org/10.1115/GT2004-53566

Abstract

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Topics: Cooling , Flow (Dynamics) , Geometry , Lasers , Separation (Technology) , Turbine blades , Turbines , Visualization , Vortices

Evaluation of Predicted Heat Transfer on a Transonic Blade Using v²-f Models

Ali A. Ameri, Kumud Ajmani

GT 2004; 547-554doi:https://doi.org/10.1115/GT2004-53572

Abstract

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Topics: Blades , Heat transfer , Algebra , Cascades (Fluid dynamics) , Pressure , Suction , Turbulence

Computations of Flow Field and Heat Transfer in a Stator Vane Passage Using the
v²
–f Turbulence Model

Andreas Sveningsson, Lars Davidson

GT 2004; 555-564doi:https://doi.org/10.1115/GT2004-53586

Abstract

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Topics: Computation , Flow (Dynamics) , Heat transfer , Stators , Turbulence , Eddies (Fluid dynamics) , Viscosity , Computer software , Engineering simulation , Fluids

Developing a Combustor Simulator for Investigating High Pressure Turbine Aerodynamics and Heat Transfer

M. D. Barringer, K. A. Thole, M. D. Polanka

GT 2004; 565-575doi:https://doi.org/10.1115/GT2004-53613

Abstract

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Topics: Aerodynamics , Combustion chambers , Heat transfer , High pressure (Physics) , Turbines , Pressure , Temperature , Design , Turbulence , Film cooling

CFD Heat Transfer Predictions for a High-Pressure Turbine Stage

James A. Tallman

GT 2004; 577-588doi:https://doi.org/10.1115/GT2004-53654

Abstract

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Topics: Computational fluid dynamics , Heat transfer , High pressure (Physics) , Turbines , Airfoils , Pressure , Blades , Turbulence , Design , Engines

Flow Characteristics Within and Downstream of Spherical and Cylindrical Dimple on a Flat Plate at Low Reynolds Numbers

A. Khalatov, A. Byerley, D. Ochoa, Seong-Ki Min

GT 2004; 589-602doi:https://doi.org/10.1115/GT2004-53656

Abstract

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Topics: Flat plates , Flow (Dynamics) , Reynolds number , Turbulence , Air Force , Gates (Closures) , Oscillations , Pattern formation , Separation (Technology) , Shapes

Computation of Flow and Heat Transfer in Two-Pass Rotating Rectangular Channels (AR=1:1, AR=1:2, AR=1:4) With 45-deg. Angled Ribs by Reynolds Stress Turbulence Model

Guoguang Su, Hamn-Ching Chen, Je-Chin Han, James D. Heidmann

GT 2004; 603-612doi:https://doi.org/10.1115/GT2004-53662

Abstract

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Topics: Computation , Flow (Dynamics) , Heat transfer , Stress , Turbulence , Coolants , Cooling , Density , Flux (Metallurgy) , Heat

Heat Transfer and Pressure Drop Characteristics of Finned Tube Banks in Heat Exchanger for Gas Turbine

K. Kawaguchi, K. Okui, Y. Hasegawa

GT 2004; 613-622doi:https://doi.org/10.1115/GT2004-53665

Abstract

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Topics: Gas turbines , Heat exchangers , Heat transfer , Pressure drop , Energy generation , Thermal energy , Climate change , Design , Energy consumption , Heat transfer coefficients

Large Eddy Simulation of Flow and Heat Transfer in a Rectangular Channel With Crossed Angled Ribs

Toshihiko Takahashi, Kazunori Watanabe

GT 2004; 623-632doi:https://doi.org/10.1115/GT2004-53673

Abstract

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Topics: Flow (Dynamics) , Heat transfer , Large eddy simulation , Friction , Vortices , Blades , Convection , Cooling , Cross section (Physics) , Gas turbines

Conjugate Simulation of Flow and Heat Conduction With a New Method for Faster Calculation

Takashi Yamane, Toyoaki Yoshida, Shunji Enomoto, Ryoji Takaki, Kazuomi Yamamoto

GT 2004; 633-642doi:https://doi.org/10.1115/GT2004-53680

Abstract

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Topics: Flow (Dynamics) , Heat conduction , Simulation , Cooling , Computational fluid dynamics , Flow simulation , Heat transfer , Temperature , Turbines

Effect of Hole Arrangements on Local Heat/Mass Transfer for Impingement/Effusion Cooling With Small Hole Spacing

Hyung-Hee Cho, Dong Ho Rhee, R. J. Goldstein

GT 2004; 643-652doi:https://doi.org/10.1115/GT2004-53685

Abstract

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Topics: Cooling , Heat , Mass transfer , Flow (Dynamics) , Plates (structures) , Impingement cooling , Jets , Reynolds number , Vortices

Local Heat/Mass Transfer With Various Rib Arrangements in Impingement/Effusion Cooling System With Crossflow

Dong Ho Rhee, Yong Woo Nam, Hyung Hee Cho

GT 2004; 653-664doi:https://doi.org/10.1115/GT2004-53686

Abstract

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Topics: Cooling systems , Heat , Mass transfer , Flow (Dynamics) , Heat transfer , Plates (structures) , Jets , Ducts , Pressure , Pressure drop

Measurement and Simulation of a Transonic Innovative Cooling System (ICS) for High-Temperature Transonic Gas Turbine Stages

E. Go¨ttlich, L. Innocenti, A. Vacca, W. Sanz, J. Woisetschla¨ger, B. Facchini, H. Jericha, E. Rossi

GT 2004; 665-673doi:https://doi.org/10.1115/GT2004-53712

Abstract

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Topics: Cooling systems , Gas turbines , High temperature , Simulation , Blades , Cooling , Film cooling , Design , Temperature , Temperature distribution

Conjugate Calculations for a Film-Cooled Blade Under Different Operating Conditions

Karsten Kusterer, Dieter Bohn, Takao Sugimoto, Ryozo Tanaka

GT 2004; 675-684doi:https://doi.org/10.1115/GT2004-53719

Abstract

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Topics: Blades , Cooling , Design , Film cooling , Heat transfer , Flow (Dynamics) , Gas turbines , Stress , Fluids , Numerical analysis

Influence of the 180° Bend Geometry on the Pressure Loss and Heat Transfer in a High Aspect Ratio Rectangular Smooth Channel

Detlef Pape, Herve´ Jeanmart, Jens von Wolfersdorf, Bernhard Weigand

GT 2004; 685-695doi:https://doi.org/10.1115/GT2004-53753

Abstract

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Topics: Geometry , Heat transfer , Pressure , Reynolds number , Cooling , Flow (Dynamics) , Liquid crystals , Transients (Dynamics)

Large Eddy Simulation of Flow and Heat Transfer in a 90° Ribbed Duct With Rotation: Effect of Coriolis Forces

Samer Abdel-Wahab, Danesh K. Tafti

GT 2004; 697-710doi:https://doi.org/10.1115/GT2004-53796

Abstract

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Topics: Coriolis force , Ducts , Flow (Dynamics) , Heat transfer , Large eddy simulation , Rotation , Friction , Turbulence , Form drag , Heat transfer coefficients

Large Eddy Simulation of Flow and Heat Transfer in a 90° Ribbed Duct With Rotation: Effect of Coriolis and Centrifugal Buoyancy Forces

Samer Abdel-Wahab, Danesh K. Tafti

GT 2004; 711-721doi:https://doi.org/10.1115/GT2004-53799

Abstract

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Topics: Buoyancy , Ducts , Flow (Dynamics) , Heat transfer , Large eddy simulation , Rotation , Coriolis force , Friction , Reynolds number , Turbulence

Large Eddy Simulation of Flow and Heat Transfer in a Staggered 45° Ribbed Duct

Samer Abdel-Wahab, Danesh K. Tafti

GT 2004; 723-734doi:https://doi.org/10.1115/GT2004-53800

Abstract

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Topics: Ducts , Flow (Dynamics) , Heat transfer , Large eddy simulation , Turbulence , Vortices , Friction , Kinetic energy , Reynolds number , Shear stress

Large Eddy Simulation of the Developing Region of a Stationary Ribbed Internal Turbine Blade Cooling Channel

Evan A. Sewall, Danesh K. Tafti

GT 2004; 735-747doi:https://doi.org/10.1115/GT2004-53832

Abstract

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Topics: Cooling , Large eddy simulation , Turbine blades , Flow (Dynamics) , Heat transfer , Turbulence , Blades , Boundary-value problems , Ducts , Gas turbines

Large Eddy Simulation of the Developing Region of a Rotating Ribbed Internal Turbine Blade Cooling Channel

Evan A. Sewall, Danesh K. Tafti

GT 2004; 749-764doi:https://doi.org/10.1115/GT2004-53833

Abstract

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Topics: Cooling , Large eddy simulation , Turbine blades , Flow (Dynamics) , Heat transfer , Coriolis force , Ducts , Heat transfer coefficients , Blades , Boundary-value problems

Unsteady Heat Transfer Measurements From Transonic Turbine Blades at Engine Representative Conditions in a Transient Facility

William Allan, Roger Ainsworth, Steven Thorpe

GT 2004; 765-778doi:https://doi.org/10.1115/GT2004-53835

Abstract

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Topics: Engines , Heat transfer , Transients (Dynamics) , Turbine blades , Wakes , Gages , Nozzle guide vanes , Shock (Mechanics) , Boundary layers , Calibration

Infrared Thermography With In-Situ Calibration Using Thermochromic Liquid Crystals Applied to Film Cooling

Dennis Brauckmann, Jens von Wolfersdorf

GT 2004; 779-785doi:https://doi.org/10.1115/GT2004-53855

Abstract

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Topics: Calibration , Film cooling , Liquid crystals , Thermography , Temperature , Infrared radiation , Thermocouples

Turbulent Augmentation of Internal Convection Over Pins in Staggered Pin Fin Arrays

F. E. Ames, L. A. Dvorak, M. J. Morrow

GT 2004; 787-796doi:https://doi.org/10.1115/GT2004-53889

Abstract

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Topics: Convection , Pins (Engineering) , Turbulence , Heat transfer , Reynolds number , Cylinders , Pressure , Wire , Airfoils , Cross-flow

Large Eddy Simulations of Flow and Heat Transfer in Rotating Ribbed Duct Flows

Mayank Tyagi, Sumanta Acharya

GT 2004; 797-811doi:https://doi.org/10.1115/GT2004-53924

Abstract

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Topics: Ducts , Flow (Dynamics) , Heat transfer , Large eddy simulation , Temperature , Buoyancy , Coolants , Coriolis force , Density , Physics

Heat/Mass Transfer in a 4:1 AR Smooth and Ribbed Coolant Passage With Rotation in 90-Degree and 45-Degree Orientations

S. Acharya, P. Agarwal, D. E. Nikitopoulos

GT 2004; 813-824doi:https://doi.org/10.1115/GT2004-53928

Abstract

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Topics: Coolants , Heat , Mass transfer , Rotation , Heat transfer , Reynolds number , Turbine blades

Turbine Heat Transfer and Aerodynamic Measurements and Predictions for a 1.5 Stage Configuration

Kam S. Chana, Udai K. Singh, Thomas Povey

GT 2004; 825-832doi:https://doi.org/10.1115/GT2004-53951

Abstract

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Topics: Heat transfer , Turbines , Blades , Aerodynamics , Engines , Flow (Dynamics) , High pressure (Physics) , Pressure , Rotors , Storage

Latticework (Vortex) Cooling Effectiveness: Part 2 — Rotating Channel Experiments

S. Acharya, Fuguo Zhou, Jonathan Lagrone, Gazi Mahmood, Ronald S. Bunker

GT 2004; 833-843doi:https://doi.org/10.1115/GT2004-53983

Abstract

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Topics: Cooling , Vortices , Heat transfer , Blades , Coolants , Density , Heat transfer coefficients , Rotation , Friction , Geometry

Unsteady RANS Simulation of Turbulent Flow and Heat Transfer in Ribbed Coolant Passages of Different Aspect Ratios

A. K. Saha, Sumanta Acharya

GT 2004; 845-857doi:https://doi.org/10.1115/GT2004-53986

Abstract

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Topics: Coolants , Heat transfer , Reynolds-averaged Navier–Stokes equations , Simulation , Turbulence , Flow (Dynamics) , Rotation , Ducts , Buoyancy , Computation

Effects of Hot Streaks on Adiabatic Effectiveness for a Film Cooled Turbine Vane

Krishnakumar Varadarajan, David G. Bogard

GT 2004; 859-866doi:https://doi.org/10.1115/GT2004-54016

Abstract

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Topics: Film cooling , Turbines

The Effects of the Vane and Mainstream Turbulence Level on Hot Streak Attenuation

Sean C. Jenkins, David G. Bogard

GT 2004; 867-876doi:https://doi.org/10.1115/GT2004-54022

Abstract

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Topics: Turbulence

Numerical Study of the Effect of Blowing Angle on Cooling Effectiveness of an Effusion Cooling

Yaping Hu, Honghu Ji

GT 2004; 877-884doi:https://doi.org/10.1115/GT2004-54043

Abstract

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Topics: Cooling , Coolants , Film cooling , Flow (Dynamics)

Thermal Performance of Angled, V-Shaped, and W-Shaped Rib Turbulators in Rotating Rectangular Cooling Channels (AR = 4:1)

Lesley M. Wright, Wen-Lung Fu, Je-Chin Han

GT 2004; 885-894doi:https://doi.org/10.1115/GT2004-54073

Abstract

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Topics: Coolants , Cooling , Density , Flow (Dynamics) , Heat transfer , Pressure drop , Pressure measurement , Reynolds number , Rotation

Performance Investigation of Film and Transpiration Cooling

J. H. Wang, J. Messner, M. V. Casey

GT 2004; 895-907doi:https://doi.org/10.1115/GT2004-54132

Abstract

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Topics: Transpiration , Coolants , Pressure , Film cooling , Wind tunnels , Blades , Cooling , Gas turbines , Imaging , Porosity

Latticework (Vortex) Cooling Effectiveness: Part 1 — Stationary Channel Experiments

Ronald S. Bunker

GT 2004; 909-918doi:https://doi.org/10.1115/GT2004-54157

Abstract

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Topics: Cooling , Vortices , Heat transfer coefficients , Pressure , Fins , Heat transfer , Airfoils , Circuits , Design , Ducts

Enhanced Impingement Heat Transfer: The Influence of Impingement X/D for Interrupted Rib Obstacles (Rectangular Pin Fins)

G. E. Andrews, R. A. A. Abdul Hussain, M. C. Mkpadi

GT 2004; 919-931doi:https://doi.org/10.1115/GT2004-54184

Abstract

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Topics: Fins , Heat transfer , Cooling , Combustion chambers , Coolants , Flow (Dynamics) , Pressure , Nitrogen oxides

Comparison of Thermo-Hydraulic Characteristics for Two Types of Dimpled Surfaces

Igor Borisov, Artem Khalatov, Sergei Kobzar, B. Glezer

GT 2004; 933-942doi:https://doi.org/10.1115/GT2004-54204

Abstract

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Topics: Density , Flow (Dynamics) , Friction , Geometry , Heat transfer , Heat transfer coefficients , Internal flow , Pressure , Reynolds number

Mist/Steam Heat Transfer of Multiple Rows of Impinging Jets

Ting Wang, J. Leo Gaddis, Xianchang Li

GT 2004; 943-950doi:https://doi.org/10.1115/GT2004-54206

Abstract

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Topics: Cooling , Heat transfer , Jets , Steam

Conjugate Heat Transfer Simulation of a Radially Cooled Gas Turbine Vane

Bruno Facchini, Andrea Magi, Alberto Scotti Del Greco

GT 2004; 951-961doi:https://doi.org/10.1115/GT2004-54213

Abstract

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Topics: Cascades (Fluid dynamics) , Gas turbines , Heat transfer , Simulation , Blades , Pressure , Temperature , Temperature distribution , Boundary layers , Boundary-value problems

Measurements, Computation and Analysis of a Semi-Constrained, Axisymmetric Impinging Jet

David A. Adolfson, Terrence W. Simon, Mounir B. Ibrahim

GT 2004; 963-974doi:https://doi.org/10.1115/GT2004-54215

Abstract

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Topics: Computation , Flow (Dynamics) , Turbulence , Flow visualization , Boundary layers , Bubbles , Computational fluid dynamics , Computer simulation , Data collection , Flow separation

Nusselt Numbers and Flow Structure On and Above a Shallow Dimpled Surface Within a Channel Including Effects of Inlet Turbulence Intensity Level

P. M. Ligrani, N. K. Burgess, S. Y. Won

GT 2004; 975-987doi:https://doi.org/10.1115/GT2004-54231

Abstract

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Topics: Flow (Dynamics) , Turbulence , Friction , Reynolds number , Temperature , Vortices , Fluctuations (Physics) , Heat transfer , Oscillations , Spectra (Spectroscopy)

Effects of Dimple Depth on Nusselt Numbers and Friction Factors for Internal Cooling in a Channel

N. K. Burgess, P. M. Ligrani

GT 2004; 989-998doi:https://doi.org/10.1115/GT2004-54232

Abstract

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Topics: Cooling , Friction , Reynolds number , Temperature , Turbulence , Flow (Dynamics) , Vortices

A Transient Infrared Thermography Method for Simultaneous Film Cooling Effectiveness and Heat Transfer Coefficient Measurements From a Single Test

Srinath V. Ekkad, Shichuan Ou, Richard B. Rivir

GT 2004; 999-1005doi:https://doi.org/10.1115/GT2004-54236

Abstract

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Topics: Film cooling , Heat transfer coefficients , Thermography , Transients (Dynamics) , Temperature , Liquid crystals , Wall temperature , Coolants , Calibration , Heat flux

In-Wall Network (Mesh) Cooling Augmentation of Gas Turbine Airfoils

Ronald S. Bunker, Jeremy C. Bailey, Ching-Pang Lee, Charles W. Stevens

GT 2004; 1007-1018doi:https://doi.org/10.1115/GT2004-54260

Abstract

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Topics: Airfoils , Cooling , Gas turbines , Heat transfer , Pins (Engineering) , Diamonds , Pressure , Design , Friction , Investment castings

Three Dimensional Measurements of Instantaneous Flow Field in Corners With Smooth Surfaces Under a Zero Pressure Gradient

Michael Phillips, Steve Deutsch, Arnie Fontaine, Savas Yavuzkurt

GT 2004; 1019-1027doi:https://doi.org/10.1115/GT2004-54304

Abstract

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Topics: Corners (Structural elements) , Flow (Dynamics) , Pressure gradient , Heat transfer , Blades , Boundary layers , Computers , Cooling , Databases , Flat plates

Predictions for the Effects of Freestream Turbulence on Turbine Blade Heat Transfer

R. J. Boyle, Forrest E. Ames, P. W. Giel

GT 2004; 1029-1044doi:https://doi.org/10.1115/GT2004-54332

Abstract

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Topics: Heat transfer , Turbine blades , Turbulence , Flow (Dynamics) , Reynolds number , Steady state , Blades , Computational fluid dynamics , Damping , Modeling

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