Topics: Combustion chambers , Gas turbines , Modeling , Computational fluid dynamics , Coolants , Cooling , Engineering simulation , Simulation , Temperature , Design

Influence of Opposing Dilution Jets on Effusion Cooling

M. Riley Creer, Karen A. Thole

GT 2021; V05AT11A004doi:https://doi.org/10.1115/GT2021-59429

Abstract

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Topics: Cooling , Jets , Momentum , Combustion chambers , Combustion , Temperature , Durability , Gas turbines , Melting , Pressure

High-Resolution Thermal Profiling of a Combustor in a Non-Dedicated Test Using Thermal History Coatings

David Peral, Ahmed Zaid, Christoph Benninghoven, Silvia Araguas-Rodríguez, David Kluß, Solon Karagiannopoulos, Robert Krewinkel, Jörg Feist

GT 2021; V05AT11A005doi:https://doi.org/10.1115/GT2021-59687

Abstract

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Topics: Coatings , Combustion chambers , Computational fluid dynamics , Cooling , Gas turbines , Resolution (Optics) , Temperature , Thermocouples

Heat Transfer: Film Cooling

Film Cooling Effectiveness Enhancement Using Multi-Longitudinal Vortex Generated by Alternating Elliptical Film Holes

Kun Xiao, Juan He, Zhenping Feng

GT 2021; V05AT12A001doi:https://doi.org/10.1115/GT2021-58451

Abstract

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Topics: Cooling , Film cooling , Kidney , Pressure , Vortices

Analysis of LES and 1D Hot-Wire Data to Determine Actively Generated Main Flow Turbulence in a Film Cooling Test Rig

Lukas Fischer, Michael Straußwald, Michael Pfitzner

GT 2021; V05AT12A002doi:https://doi.org/10.1115/GT2021-58661

Abstract

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Topics: Film cooling , Flow (Dynamics) , Turbulence , Wire , Probes , Generators , Signals , Vortices , Anisotropy , Combustion chambers

Unsteady Film Cooling Performance on the High Pressure Turbine Shroud Under Rotor-Stator Interaction for an Aero-Engine

Zihao Bao, Zhihai Kou, Bo Han, Guangchao Li

GT 2021; V05AT12A003doi:https://doi.org/10.1115/GT2021-58889

Abstract

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Topics: Aircraft engines , Blades , Clearances (Engineering) , Film cooling , High pressure (Physics) , Leakage , Leakage flows , Rotors , Stators , Turbines

Experimental and Computational Investigation of Integrated Internal and Film Cooling Designs Incorporating a Thermal Barrier Coating

Matthew J. Horner, Christopher Yoon, Michael Furgeson, Todd A. Oliver, David G. Bogard

GT 2021; V05AT12A004doi:https://doi.org/10.1115/GT2021-58950

Abstract

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Topics: Cooling , Film cooling , Heat transfer , Thermal barrier coatings

Additively Manufactured Porous Geometries for Hybrid Turbine Cooling

Nathan D. Fier, David G. Bogard

GT 2021; V05AT12A005doi:https://doi.org/10.1115/GT2021-58991

Abstract

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Topics: Additive manufacturing , Cooling , Film cooling , Turbines

Improving the Film Cooling Performance of a Turbine Endwall With Multi-Fidelity Modeling Considering Conjugate Heat Transfer

Hongyan Bu, Yufeng Yang, Liming Song, Jun Li

GT 2021; V05AT12A006doi:https://doi.org/10.1115/GT2021-59015

Abstract

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Topics: Film cooling , Heat transfer , Modeling , Turbines , Cooling , Design , Optimization , Computation , Temperature , Bearings

Film Cooling Effectiveness Measurement of Fan-Shaped Holes Manufactured Using EDM Technique

S. Rouina, H. Abdeh, G. Barigozzi, V. Odemondo, L. Abba, M. Iannone

GT 2021; V05AT12A007doi:https://doi.org/10.1115/GT2021-59038

Abstract

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Topics: Electrical discharge machining , Film cooling , Coolants , Flat plates , Cooling , Engines , Manufacturing , Paints , Pressure , Reliability

Experimental Investigation and Optimal Design on the Film Cooling Performance of Fan-Shaped Hole With Vortex Generator Fed by Crossflow

Jie Wang, Chao Zhang, Xuebin Liu, Liming Song, Jun Li, Zhenping Feng

GT 2021; V05AT12A008doi:https://doi.org/10.1115/GT2021-59144

Abstract

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Topics: Design , Film cooling , Generators , Vortices

DDES Numerical Investigations on Coherent Structures in Trailing-Edge Film Cooling Combined With Pressure-Side Film Hole

Xiangtao Xiao, Pei Wang, Qiang Du, Qingzong Xu, Jun Liu

GT 2021; V05AT12A009doi:https://doi.org/10.1115/GT2021-59150

Abstract

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Topics: Delay differential equations , Film cooling , Pressure , Vortices , Coolants , Shear (Mechanics) , Design , Flow (Dynamics) , Reynolds-averaged Navier–Stokes equations , Temperature

Autonomous Large Eddy Simulations Setup for Cooling Hole Shape Optimization

Shubham Agarwal, Laurent Gicquel, Florent Duchaine, Nicolas Odier, Jérôme Dombard, Damien Bonneau, Michel Slusarz

GT 2021; V05AT12A010doi:https://doi.org/10.1115/GT2021-59196

Abstract

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Topics: Cooling , Film cooling , Large eddy simulation , Shape optimization

Comparison of Film Cooling Performance for Different Purge Slot Configurations in a Cylindrical and State-of-the-Art Nozzle Guide Vane

Christian Landfester, Gunther Müller, Robert Krewinkel, Clemens Domnick, Martin Böhle

GT 2021; V05AT12A011doi:https://doi.org/10.1115/GT2021-59229

Abstract

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Topics: Film cooling , Nozzle guide vanes , Design , Flow (Dynamics) , Coolants , Cascades (Fluid dynamics) , Engines , High pressure (Physics) , Pressure , Turbines

Uncertainty Analysis of Film Cooling of Fan-Shaped Holes on a Stator Vane Under Realistic Inlet Conditions

Hai Wang, Chun-hua Wang, Xing-dan Zhu, Jian Pu, Hai-ying Lu, Ming-hou Liu, Jian-hua Wang

GT 2021; V05AT12A012doi:https://doi.org/10.1115/GT2021-59269

Abstract

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Topics: Film cooling , Gas turbines , Sensitivity analysis , Stators , Uncertainty analysis , Uncertainty quantification

Parametric Optimization of Film Cooling Hole Geometry

Fraser B. Jones, Dale W. Fox, Todd Oliver, David G. Bogard

GT 2021; V05AT12A013doi:https://doi.org/10.1115/GT2021-59326

Abstract

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Topics: Film cooling , Geometry , Optimization , Coolants , Simulation , Additive manufacturing , Computational fluid dynamics , Cross-flow , Diffusers , Performance characterization

Adjoint Optimization of Film Cooling Hole Geometry

Fraser B. Jones, Todd Oliver, David G. Bogard

GT 2021; V05AT12A014doi:https://doi.org/10.1115/GT2021-59332

Abstract

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Topics: Film cooling , Geometry , Optimization , Reynolds-averaged Navier–Stokes equations , Design , Additive manufacturing , Computational fluid dynamics , Shapes

Influence of Coolant Density on Turbine Blade Film Cooling at Transonic Cascade Flow Conditions Using the Pressure Sensitive Paint Technique

Izhar Ullah, Sulaiman M. Alsaleem, Lesley M. Wright, Chao-Cheng Shiau, Je-Chin Han

GT 2021; V05AT12A015doi:https://doi.org/10.1115/GT2021-59366

Abstract

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Topics: Blades , Coolants , Density , Film cooling , Flow (Dynamics) , Leakage , Paints , Pressure , Turbine blades

Enhanced Film Cooling Effect Downstream of a Cylindrical Hole Using SDBD and DBD-VGs Plasma Actuations

Yuefeng Huang, Zihan Zhang, Kun He, Xin Yan

GT 2021; V05AT12A016doi:https://doi.org/10.1115/GT2021-59413

Abstract

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Topics: Film cooling , Plasmas (Ionized gases)

Conjugate Heat Transfer Characteristics of Double Wall Cooling With Gradient Diameter of Film and Impingement Holes

Juan He, Qinghua Deng, Zhenping Feng

GT 2021; V05AT12A017doi:https://doi.org/10.1115/GT2021-59423

Abstract

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Topics: Cooling , Heat transfer , Flow (Dynamics) , Pressure , Film cooling , Film flow , Flat plates , Impingement cooling , Reynolds-averaged Navier–Stokes equations , Temperature uniformity

The Influence of Purge Flow Parameters on Heat Transfer and Film Cooling in Turbine Center Frames

Patrick R. Jagerhofer, Marios Patinios, Tobias Glasenapp, Emil Göttlich, Federica Farisco

GT 2021; V05AT12A018doi:https://doi.org/10.1115/GT2021-59496

Abstract

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Topics: Film cooling , Flow (Dynamics) , Heat transfer , Turbines , Engines , Cooling , Density , High pressure (Physics) , Aerodynamic flow , Cascades (Fluid dynamics)

Implementation of Vortex Generator and Ramp to Improve Film Cooling Effectiveness on Blade Endwall

Sadam Hussain, Xin Yan

GT 2021; V05AT12A019doi:https://doi.org/10.1115/GT2021-59530

Abstract

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Topics: Blades , Film cooling , Generators , Vortices

Effect of a Ceramic Matrix Composite Surface on Film Cooling

Peter H. Wilkins, Stephen P. Lynch, Karen A. Thole, San Quach, Tyler Vincent, Dominic Mongillo

GT 2021; V05AT12A020doi:https://doi.org/10.1115/GT2021-59602

Abstract

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Topics: Ceramic matrix composites , Film cooling , Temperature , Flow (Dynamics) , Gas turbines , Simulation , Turbines , Computational fluid dynamics , Convection , Cooling

Flow Check and Adiabatic Effectiveness Measurements on Traditionally Versus Additively Manufactured Film-Cooling Holes

S. Cubeda, L. Andrei, L. Innocenti, F. Paone, L. Cocchi, A. Picchi, B. Facchini

GT 2021; V05AT12A021doi:https://doi.org/10.1115/GT2021-59638

Abstract

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Topics: Additive manufacturing , Film cooling , Flow (Dynamics)

Effect of Self-Sustained Pulsation of Coolant Flow on Adiabatic Effectiveness and Net Heat Flux Reduction on a Flat Plate

Nicola Rosafio, Simone Salvadori, Daniela Anna Misul, Mirko Baratta, Mauro Carnevale, Christian Saumweber

GT 2021; V05AT12A022doi:https://doi.org/10.1115/GT2021-59663

Abstract

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Topics: Coolants , Flat plates , Flow (Dynamics) , Heat flux , Cooling , Cooling systems , Film cooling , Computer software , Design , Flow separation

CFD Evaluation of Internal Flow Effects on Turbine Blade Leading-Edge Film Cooling With Shaped Hole Geometries

Christopher C. Easterby, Jacob D. Moore, David G. Bogard

GT 2021; V05AT12A023doi:https://doi.org/10.1115/GT2021-59780

Abstract

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Topics: Computational fluid dynamics , Film cooling , Gas turbines , Internal flow , Turbine blades

Coupling of Mainstream Velocity Fluctuations With Plenum Fed Film Cooling Jets

Spencer Sperling, Louis Christensen, Richard Celestina, Randall Mathison, Hakan Aksoy, Jong Liu, Jeremy Nickol

GT 2021; V05AT12A024doi:https://doi.org/10.1115/GT2021-59825

Abstract

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Topics: Film cooling , Fluctuations (Physics) , Jets , Simulation , Reynolds-averaged Navier–Stokes equations , Design , Modeling , Resonance , Turbulence , Acoustics