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

Topics: Sealing (Process) , Turbines , Flow (Dynamics) , Cavities , Disks , Coolants , Damping , Energy dissipation , Gas turbines , Numerical analysis

Heat Transfer Prediction From Large Eddy Simulation of a Rotating Cavity With Radial Inflow

Michel Onori, Dario Amirante, Nicholas J. Hills, John W. Chew

GT 2019; V05BT15A003doi:https://doi.org/10.1115/GT2019-90450

Abstract

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Topics: Cavities , Heat transfer , Inflow , Large eddy simulation , Flow (Dynamics) , Buoyancy , Disks , Eddies (Fluid dynamics) , Reynolds number , Viscosity

Effect of Annulus Flow Conditions on Turbine Rim Seal Ingestion

Donato M. Palermo, Feng Gao, John W. Chew, Paul F. Beard

GT 2019; V05BT15A004doi:https://doi.org/10.1115/GT2019-90489

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Topics: Annulus , Flow (Dynamics) , Turbines , Rotors , Sealing (Process) , Axial flow , Blades , Cavities , Clearances (Engineering) , Modeling

Numerical Analysis of Lift Generation in a Radial Segmented Gas Seal

Mihai Arghir, Samia Dahite

GT 2019; V05BT15A005doi:https://doi.org/10.1115/GT2019-90492

Abstract

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Topics: Bearings , Carbon , Lift (Fluid dynamics) , Numerical analysis , Power presses , Rotors , Springs , Thrust bearings

Test Rig Commissioning for Advanced Rotor-Stator Seals

Deepak Trivedi, Eric Ruggiero, Christopher Wolfe, Joel Kirk, John Williams, James Graham

GT 2019; V05BT15A006doi:https://doi.org/10.1115/GT2019-90965

Abstract

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Topics: Rotors , Stators , Design , Design engineering , Pressure , Pressure vessels , Sealing (Process) , Temperature , Test facilities , Turbomachinery

Flow Instabilities in Gas Turbine Chute Seals

Joshua T. M. Horwood, Fabian P. Hualca, Mike Wilson, James A. Scobie, Carl M. Sangan, Gary D. Lock, Johan Dahlqvist, Jens Fridh

GT 2019; V05BT15A007doi:https://doi.org/10.1115/GT2019-90982

Abstract

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Topics: Annulus , Blades , Cavities , Computation , Engineering simulation , Engines , Flow (Dynamics) , Flow instability , Gas turbines , Modeling

The Effect of Vanes and Blades on Ingress in Gas Turbines

Fabian P. T. Hualca, Josh T. M. Horwood, Carl M. Sangan, Gary D. Lock, James A. Scobie

GT 2019; V05BT15A008doi:https://doi.org/10.1115/GT2019-90987

Abstract

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Topics: Blades , Gas turbines , Disks , Rotors , Flow (Dynamics) , Pressure , Sealing (Process) , Annulus , Pressure measurement , Wheels

On the Development of a Pressure Actuated Leaf Seal for Turbomachinery Applications

Ernesto Pedraza-Valle, Georgios Papageorgiou, Aaron Bowsher, Peter F. Crudgington, Carl M. Sangan, Patrick S. Keogh, James A. Scobie

GT 2019; V05BT15A009doi:https://doi.org/10.1115/GT2019-90991

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Topics: Pressure , Turbomachinery , Leakage , Clearances (Engineering) , Pressure drop , Rotors , Design , Displacement , Eddies (Fluid dynamics) , Eddy currents (Electricity)

High Speed Single Cavity Rig With Axial Throughflow of Cooling Air: Rig Structure and Periphery

Eric Diemel, Stefan Odenbach, Wieland Uffrecht, Jose Rey Villazon, Antonio Guijarro Valencia, Mike Reinecke

GT 2019; V05BT15A010doi:https://doi.org/10.1115/GT2019-91265

Abstract

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Topics: Cavities , Cooling , Disks , Compressors , Fluids , Rotors , Engines , Flow (Dynamics) , Gas turbines , Heat transfer

Analysis of Gas Turbine Rim Cavity Ingestion With Axial Purge Flow Injection

Christopher W. Robak, Amir Faghri, Karen A. Thole

GT 2019; V05BT15A011doi:https://doi.org/10.1115/GT2019-91807

Abstract

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Topics: Cavities , Flow (Dynamics) , Gas turbines , Turbines , Computational fluid dynamics , Modeling , Sealing (Process) , Airfoils , Cooling , Geometry

Influence of Temperature Distribution on Radial Growth of Compressor Discs

Dario Luberti, Hui Tang, James A. Scobie, Oliver J. Pountney, J. Michael Owen, Gary D. Lock

GT 2019; V05BT15A012doi:https://doi.org/10.1115/GT2019-91848

Abstract

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Topics: Compressors , Disks , Temperature distribution , Pressure , Finite element analysis , Temperature , Buoyancy , Engines , Aircraft engines , Blades

Development of a CFD Based Methodology for Predicting Oil Auto-Ignition in Gas Turbine Bearing Chambers

A. Peyton-Bruhl, D. Belton, A. D. Walker, G. Snowsill, C. Young

GT 2019; V05BT15A013doi:https://doi.org/10.1115/GT2019-92050

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Topics: Bearings , Computational fluid dynamics , Gas turbines , Ignition , Drops , Temperature , Particulate matter , Design , Modeling , Air flow

Combustors (With Combustion, Fuels, and Emissions)

Numerical Simulation of Combustor Effusion Cooling Flow Based on Source Term Method

Jing Wang, Ronghai Mao, Wenjie Tao, Zhichao Wang, Chi Zhang, Yuzhen Lin

GT 2019; V05BT17A001doi:https://doi.org/10.1115/GT2019-90885

Abstract

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Topics: Combustion chambers , Computer simulation , Cooling , Flow (Dynamics) , Temperature distribution , Temperature , Corners (Structural elements) , Design , Film cooling , Kinetic energy

Modeling Effusion Cooling and Conjugate Heat Transfer Using Local Source Method

Kalyana C. Gottiparthi, Changmin Cao, Vaidyanathan Sankaran

GT 2019; V05BT17A002doi:https://doi.org/10.1115/GT2019-91423

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Topics: Cooling , Heat transfer , Modeling , Simulation , Engineering simulation , Flow (Dynamics) , Design , Fluids , Gases , Heat

Experimental Analysis of an Additively Manufactured Cooled Ultra Compact Combustor Vane

Tylor C. Rathsack, Brian T. Bohan, Marc D. Polanka, James L. Rutledge

GT 2019; V05BT17A003doi:https://doi.org/10.1115/GT2019-91425

Abstract

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Topics: Additive manufacturing , Combustion chambers , Experimental analysis , Flow (Dynamics) , Cavities , Film cooling , Computational fluid dynamics , Coolants , Cooling , Axial flow

Multiphysics Numerical Investigation of an Aeronautical Lean Burn Combustor

D. Bertini, L. Mazzei, A. Andreini, B. Facchini

GT 2019; V05BT17A004doi:https://doi.org/10.1115/GT2019-91437

Abstract

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Topics: Combustion chambers , Design , Engineering simulation , Simulation , Cooling , Flow (Dynamics) , Reynolds-averaged Navier–Stokes equations , Turbines , Combustion , Compressors

Special Sessions

Aero-Thermal Investigation of Convective and Radiative Heat Transfer on Active Clearance Control Manifolds

Riccardo Da Soghe, Cosimo Bianchini

GT 2019; V05BT18A001doi:https://doi.org/10.1115/GT2019-90007

Abstract

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Topics: Clearances (Engineering) , Manifolds , Radiative heat transfer , Convection , Heat transfer , Blades , Computation , Computational fluid dynamics , Design , Engines

Controlling Leakage Flows Over a Rotor Blade Tip Using Air-Curtain Injection: Part I — Aero-Thermal Performance of Rotor Tips

Xing Yang, Qiang Zhao, Zhao Liu, Zhenping Feng, Terrence W. Simon

GT 2019; V05BT18A002doi:https://doi.org/10.1115/GT2019-90232

Abstract

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Topics: Blades , Leakage flows , Rotors , Cooling , Film cooling , Flow (Dynamics) , Sealing (Process) , Turbines , Chords (Trusses) , Compressors

Controlling Leakage Flows Over a Rotor Blade Tip Using Air-Curtain Injection: Part II — Rotor Casing Film Cooling

Qiang Zhao, Xing Yang, Zhao Liu, Zhenping Feng, Terrence W. Simon

GT 2019; V05BT18A003doi:https://doi.org/10.1115/GT2019-90234

Abstract

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Topics: Blades , Film cooling , Leakage flows , Rotors , Cooling , Flow (Dynamics) , Leakage , Chords (Trusses) , Gas turbines , Stress

Influence of Excitation Frequency, Phase-Shift and Duty Cycle on Cooling Ratio in a Dynamically Forced Impingement Jet Array

Arne Berthold, Frank Haucke

GT 2019; V05BT18A004doi:https://doi.org/10.1115/GT2019-90695

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Topics: Cooling , Cycles , Excitation , Phase shift , Nozzles , Liquid crystals , Reynolds number , Thermography , Wall temperature

Optimization of Inserts to Minimize Cross-Flow Impact in Impingement Heat Transfer

Andres Curbelo, Jayanta S. Kapat, Steven J. Thorpe, Michael Maurer

GT 2019; V05BT18A005doi:https://doi.org/10.1115/GT2019-91068

Abstract

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Topics: Cross-flow , Heat transfer , Optimization , Jets , Flow (Dynamics) , Guide vanes , Temperature , Coolants , Cooling , Cycles

The Effect of Local Casing Features and External Dummy Flanges on Casing Contraction for Thermal Control of Blade Tip Clearance

Myeonggeun Choi, David R. H. Gillespie

GT 2019; V05BT18A006doi:https://doi.org/10.1115/GT2019-91243

Abstract

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Topics: Blades , Clearances (Engineering) , Flanges , Cooling , Engines , Coolants , Design , Displacement , Finite element analysis , Geometry

An Experimental Study of Impingement Cooling on Latticework in a Wide Channel

Jin Xu, Ruishan Lu, Ke Zhang, Jiang Lei, Junmei Wu

GT 2019; V05BT18A007doi:https://doi.org/10.1115/GT2019-91427

Abstract

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Topics: Blades , Convection , Cooling , Flow (Dynamics) , Friction , Heat transfer , Heat transfer coefficients , Impingement cooling , Liquid crystals , Pressure

Experimental Film Cooling

Inlet Flow Incidence Effects on the Thermal Performance of Showerhead Cooling in a Nozzle Vane Cascade

H. Abdeh, G. Barigozzi, A. Perdichizzi, M. Henze, J. Krueckels

GT 2019; V05BT19A001doi:https://doi.org/10.1115/GT2019-90018

Abstract

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Topics: Cascades (Fluid dynamics) , Cooling , Flow (Dynamics) , Nozzles , Cooling systems , Film cooling , Mach number , Stress , Thermal characterization , Turbulence

A Parametric Investigation of Vane Showerhead Film Cooling by PSP Technique

H. Abdeh, G. Barigozzi, S. Ravelli, S. Rouina

GT 2019; V05BT19A002doi:https://doi.org/10.1115/GT2019-90019

Abstract

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Topics: Film cooling , Turbulence , Cascades (Fluid dynamics) , Coolants , Pressure , Carbon dioxide , Cooling systems , Density , Flow (Dynamics) , Mach number

Experimental Film Cooling Effectiveness of Multi-Row Patterns on Flat and Step-Down Surfaces

Filippo Baldino, Mohammad E. Taslim

GT 2019; V05BT19A003doi:https://doi.org/10.1115/GT2019-90108

Abstract

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Topics: Film cooling , Airfoils , Coolants , Flow (Dynamics) , Corners (Structural elements) , Density , Gas turbines , Pressure

Turbine Vane Endwall Film Cooling Effectiveness of Different Purge Slot Configurations in a Linear Cascade

Gunther Müller, Christian Landfester, Martin Böhle, Robert Krewinkel

GT 2019; V05BT19A004doi:https://doi.org/10.1115/GT2019-90236

Abstract

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Topics: Cascades (Fluid dynamics) , Film cooling , Turbines , Flow (Dynamics) , Density , Engines , Nozzle guide vanes , Carbon dioxide , Coolants , Design

Unsteady Analysis of Adiabatic Film Cooling Effectiveness Behind a Row of Circular Holes Fed by Internal Crossflow

Mohamed Qenawy, Wenwu Zhou, Han Chen, Hongyi Shao, Di Peng, Yingzheng Liu

GT 2019; V05BT19A005doi:https://doi.org/10.1115/GT2019-90349

Abstract

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Topics: Film cooling , Coolants , Flow (Dynamics) , Vortices , Density , Fluctuations (Physics) , Pressure , Principal component analysis , Reynolds-averaged Navier–Stokes equations , Simulation

Compound Angle Effects on Shaped Hole Film Cooling

Ian E. Gunady, Daniel D. Borup, Andrew J. Banko, Christopher J. Elkins, John K. Eaton

GT 2019; V05BT19A006doi:https://doi.org/10.1115/GT2019-90399

Abstract

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Topics: Film cooling , Diffusers , Flow (Dynamics) , Blades , Bubbles , Fluids , Magnetic resonance , Separation (Technology) , Trajectories (Physics) , Turbulence

The Influence of Turbulence and Reynolds Number on Slot Film Cooling Over the Downstream Pressure Surface

L. W. Soma, F. E. Ames, S. Acharya

GT 2019; V05BT19A007doi:https://doi.org/10.1115/GT2019-90508

Abstract

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Topics: Film cooling , Pressure , Reynolds number , Turbulence , Cooling , Flow (Dynamics) , Jets , Chords (Trusses) , Coolants , Density

Study of Film Cooling Effectiveness on a Double-Walled Effusion-Cooled Turbine Blade in a High-Speed Flow Using Pressure Sensitive Paint

Gladys C. Ngetich, Peter T. Ireland, Eduardo Romero

GT 2019; V05BT19A008doi:https://doi.org/10.1115/GT2019-90545

Abstract

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Topics: Film cooling , Flow (Dynamics) , Paints , Pressure , Turbine blades , Blades , Coolants , Engines , Cascades (Fluid dynamics) , Cooling

Superposition Characteristics of Full Coverage Film Cooling With Various Blowing Ratio and Row Number

Lang Wang, Xueying Li, Weihong Li, Jing Ren, Hongde Jiang

GT 2019; V05BT19A009doi:https://doi.org/10.1115/GT2019-90584

Abstract

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Topics: Film cooling , Cooling , Boundary layers , Jets , Blades , Flow (Dynamics) , Gas turbines , Reynolds-averaged Navier–Stokes equations , Temperature , Turbines

Experimental Study on the Effects of Slot Jet on Film Cooling Performance in the Cascade Endwall With Purge Flow

Yao Yunjia, Zhu Peiyuan, Tao Zhi, Song Liming, Li Jun

GT 2019; V05BT19A010doi:https://doi.org/10.1115/GT2019-90667

Abstract

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Topics: Cascades (Fluid dynamics) , Film cooling , Flow (Dynamics) , Blades , Cooling , Pressure , Stators , Suction , Temperature measurement , Turbines

Experimental Investigation on the Flat-Plate Film Cooling Enhancement Using the Vortex Generator Downstream for the Cylindrical Hole and Fan-Shaped Hole Configurations

Chao Zhang, Jie Wang, Xin Luo, Liming Song, Jun Li, Zhenping Feng

GT 2019; V05BT19A011doi:https://doi.org/10.1115/GT2019-90671

Abstract

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Topics: Film cooling , Flat plates , Generators , Vortices , Density

Experimental and Numerical Investigation on Film Cooling Performance and Flow Structure of Film Holes

Nan Cao, Xue Li, Ze-yu Wu, Xiang Luo

GT 2019; V05BT19A012doi:https://doi.org/10.1115/GT2019-90734

Abstract

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Topics: Film cooling , Flow (Dynamics) , Vortices , Cooling , Coolants , Flow visualization , Blades , Density , Flat plates , Gas turbines

Experimental and Numerical Study on the Effect of Fan-Shaped Hole Configuration on Film Cooling Effectiveness

Hyun Jae Seo, Sang Hyeon Park, Jae Su Kwak, Young Seok Kang

GT 2019; V05BT19A013doi:https://doi.org/10.1115/GT2019-90817

Abstract

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Topics: Film cooling , Shapes , Design , Reynolds-averaged Navier–Stokes equations , Blades , Coating processes , Coatings , Combustion gases , Computer software , Cooling

Transonic Turbine Vane Endwall Film Cooling Using PSP Measurement Technique

Chao-Cheng Shiau, Izzet Sahin, Izhar Ullah, Je-Chin Han, Alexander V. Mirzamoghadam, Ardeshir Riahi, Curtis Stimpson

GT 2019; V05BT19A014doi:https://doi.org/10.1115/GT2019-91030

Abstract

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Topics: Film cooling , Turbines , Flow (Dynamics) , Pressure , Shock waves , Carbon dioxide , Cascades (Fluid dynamics) , Coolants , Cooling , Cross-flow

Evaluation of Film Cooling Superposition Predictions Using Shaped Holes on the Suction Side of a Blade Model

Christopher Yoon, Jacob Moore, David Bogard

GT 2019; V05BT19A015doi:https://doi.org/10.1115/GT2019-91132

Abstract

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Topics: Blades , Film cooling , Suction , Coolants , Airfoils , Cooling , Turbines , Jets , Separation (Technology) , Turbine blades

Time-Resolved Flow Field Analysis of Effusion Cooling System With Representative Swirling Main Flow

T. Lenzi, L. Palanti, A. Picchi, T. Bacci, L. Mazzei, A. Andreini, B. Facchini, I. Vitale

GT 2019; V05BT19A016doi:https://doi.org/10.1115/GT2019-91446

Abstract

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Topics: Cooling systems , Flow (Dynamics) , Swirling flow , Jets , Combustion chambers , Coolants , Cooling , Film cooling , Computational fluid dynamics , Eddies (Fluid dynamics)

Surface Curvature Effects on Film Cooling Performance for Shaped Holes on a Model Turbine Blade

Jacob D. Moore, Christopher Yoon, David G. Bogard

GT 2019; V05BT19A017doi:https://doi.org/10.1115/GT2019-91476

Abstract

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Topics: Film cooling , Turbine blades , Flat plates , Turbulence , Cascades (Fluid dynamics) , Flow (Dynamics) , Gas turbines , Pressure gradient , Suction , Wind tunnels

Effects on Heat Transfer Coefficient and Adiabatic Effectiveness in Combined Backside and Film Cooling With Short-Hole Geometry

Renzo La Rosa, Jaideep Pandit, Wing Ng, Brett Barker

GT 2019; V05BT19A018doi:https://doi.org/10.1115/GT2019-91522

Abstract

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Topics: Film cooling , Geometry , Heat transfer coefficients , Cooling , Flow (Dynamics) , Coolants , Heat transfer , Reynolds number , Computer software , Density

Experimental Evaluation of Heat Transfer in a High Temperature High Pressure Test Facility

S. Ramesh, E. Robey, D. Straub, J. Black

GT 2019; V05BT19A019doi:https://doi.org/10.1115/GT2019-91537

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Topics: Heat transfer , High pressure (Physics) , High temperature , Test facilities , Engines , Film cooling , Flat plates , Heat flux , Heat transfer coefficients , Radiation (Physics)

Experimental Investigation of Sweeping Jet Film Cooling in a Transonic Turbine Cascade

Mohammad A. Hossain, Munevver E. Asar, James W. Gregory, Jeffrey P. Bons

GT 2019; V05BT19A020doi:https://doi.org/10.1115/GT2019-91678

Abstract

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Topics: Cascades (Fluid dynamics) , Film cooling , Turbines , Cooling , Engines , Mach number , Pressure , Suction , Additive manufacturing , Convection

Sweeping Jet Film Cooling at High Blowing Ratio on a Turbine Vane

Mohammad A. Hossain, Ali Ameri, James W. Gregory, Jeffrey P. Bons

GT 2019; V05BT19A021doi:https://doi.org/10.1115/GT2019-91696

Abstract

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Topics: Film cooling , Turbines , Coolants , Boundary layers , Turbulence , Adiabatic cooling , Cascades (Fluid dynamics) , Cooling , Geometry , Large eddy simulation

Time-Accurate Evaluation of Film Cooling Jet Characteristics for Plenum and Crossflow Coolant Supplies

Spencer J. Sperling, Randall M. Mathison

GT 2019; V05BT19A022doi:https://doi.org/10.1115/GT2019-91765

Abstract

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Topics: Coolants , Film cooling , Cooling , Turbulence , Momentum , Jets , Separation (Technology) , Flat plates , Flow (Dynamics) , Fluctuations (Physics)

Adiabatic Film Cooling Effectiveness Measurement of High Performance Combustion Liner Slot Jets

Wilmer Flores, Andres Curbelo, Luisana Calderon, Jayanta S. Kapat, Kareem Ahmed

GT 2019; V05BT19A023doi:https://doi.org/10.1115/GT2019-91783

Abstract

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Topics: Combustion , Film cooling , Jets , Pressure , Absorption , Flow (Dynamics) , Fracture (Materials) , Fracture (Process) , Geometry , Orifices

The Effect of Step Misalignment on Purge Flow Cooling of Nozzle Guide Vane at Transonic Conditions

Luke Luehr, Ridge Sibold, Shuo Mao, Wing F. Ng, Zhigang Li, Hongzhou Xu, Michael Fox

GT 2019; V05BT19A024doi:https://doi.org/10.1115/GT2019-91810

Abstract

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Topics: Cooling , Flow (Dynamics) , Nozzle guide vanes , Film cooling , Coolants , Turbulence , Boundary layers , Cascades (Fluid dynamics) , Chords (Trusses) , Flow visualization

3D Heat Transfer Assessment of Full-Scale Inlet Vanes With Surface-Optimized Film Cooling: Part 2 — Conjugate CFD Simulations

J. J. Johnson, J. P. Clark, R. A. Anthony, M. K. Ooten, R. H. Ni, W. H. Humber

GT 2019; V05BT19A025doi:https://doi.org/10.1115/GT2019-91864

Abstract

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Topics: Computational fluid dynamics , Engineering simulation , Film cooling , Heat transfer , Simulation , Cooling , Design , Engines , Pressure , Boundary-value problems

Heat Transfer Coefficient Augmentation for a Shaped Film Cooling Hole at a Range of Compound Angles

Shane Haydt, Stephen Lynch

GT 2019; V05BT19A026doi:https://doi.org/10.1115/GT2019-91870

Abstract

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Topics: Film cooling , Heat transfer coefficients , Coolants , Heat flux , Temperature , Convection , Gas turbines , Heat transfer , Metals , Thermography

3D Heat Transfer Assessment of Full-Scale Inlet Vanes With Surface-Optimized Film Cooling: Part 1 — Experimental Results

R. J. Anthony, J. P. Clark, J. Finnegan, J. J. Johnson

GT 2019; V05BT19A027doi:https://doi.org/10.1115/GT2019-91919

Abstract

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Topics: Film cooling , Heat transfer , Heat flux , Cooling , Design , Hardware , Pressure , Turbines , Air Force , Airfoils

Influence of Hole Inlet Geometry on the Film Cooling Effectiveness From Shaped Film Cooling Holes

Travis B. Watson, Kyle R. Vinton, Lesley M. Wright, Daniel C. Crites, Mark C. Morris, Ardeshir Riahi

GT 2019; V05BT19A028doi:https://doi.org/10.1115/GT2019-92057

Abstract

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Topics: Film cooling , Geometry , Coolants , Turbulence , Density , Flat plates , Paints , Pressure , Shapes

Additive Manufacturing

Experimental and Numerical Investigation on an Additively Manufactured Gas Turbine Ring Segment With an In-Wall Cooling Scheme

Thomas Wimmer, Tobias Ruehmer, York Mick, Lieke Wang, Bernhard Weigand

GT 2019; V05BT21A001doi:https://doi.org/10.1115/GT2019-90227

Abstract

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Topics: Additive manufacturing , Cooling , Gas turbines , Engines , Boundary-value problems , Flow (Dynamics) , Friction , Instrumentation , Manufacturing , Performance evaluation

Effect of Additive Manufacturing Process Parameters on Turbine Cooling

Jacob C. Snyder, Karen A. Thole

GT 2019; V05BT21A002doi:https://doi.org/10.1115/GT2019-90862

Abstract

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Topics: Additive manufacturing , Cooling , Turbines , Heat transfer , Pressure , Microscale devices , Design , Engines , Finishes , Heat

Performance of Public Film Cooling Geometries Produced Through Additive Manufacturing

Jacob C. Snyder, Karen A. Thole

GT 2019; V05BT21A003doi:https://doi.org/10.1115/GT2019-90877

Abstract

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Topics: Additive manufacturing , Film cooling , Cooling , Manufacturing , Engines , High temperature , Nickel alloys , Shapes , Coolants , Gas turbines

Flow in a Scaled Turbine Coolant Channel With Roughness due to Additive Manufacturing

David R. Hanson, Stephen T. McClain, Jacob C. Snyder, Robert F. Kunz, Karen A. Thole

GT 2019; V05BT21A004doi:https://doi.org/10.1115/GT2019-90931

Abstract

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Topics: Additive manufacturing , Coolants , Flow (Dynamics) , Surface roughness , Turbines , Computational fluid dynamics , Friction , Internal flow , Simulation , Engines

Effect of Surface Roughness Induced by Laser Powder Bed Fusion Additive Manufacturing in a Mini-Channel Heat Exchanger

T. Parent-Simard, A. Landry-Blais, P. K. Dubois, M. Picard, V. Brailovski

GT 2019; V05BT21A005doi:https://doi.org/10.1115/GT2019-90978

Abstract

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Topics: Additive manufacturing , Heat exchangers , Lasers , Surface roughness , Heat transfer , Gas turbines , Microturbines , Turbines , Weight (Mass) , Aeronautics

Topology Optimization of Serpentine Channels for Minimization of Pressure Loss and Maximization of Heat Transfer Performance As Applied for Additive Manufacturing

Shinjan Ghosh, Jayanta S. Kapat

GT 2019; V05BT21A006doi:https://doi.org/10.1115/GT2019-91057

Abstract

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Topics: Additive manufacturing , Heat transfer , Optimization , Pressure , Topology , Cooling , Blades , Gas turbines , Flow (Dynamics) , Geometry

Thermal-Fluid and Mechanical Investigations of Additively Manufactured Geometries for Transpiration Cooling

Zheng Min, Sarwesh Narayan Parbat, Li Yang, Minking K. Chyu

GT 2019; V05BT21A007doi:https://doi.org/10.1115/GT2019-91583

Abstract

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Topics: Additive manufacturing , Thermofluids , Transpiration , Cooling , Tensile strength , Design , Strength (Materials) , Coolants , Gas turbines , Heat transfer

Experimental and Numerical Analysis of Additively Manufactured Inconel 718 Coupons With Lattice Structure

Sarwesh Parbat, Zheng Min, Li Yang, Minking Chyu

GT 2019; V05BT21A008doi:https://doi.org/10.1115/GT2019-91949

Abstract

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Topics: Additive manufacturing , Blades , Boundary-value problems , Coolants , Cooling , Engineering simulation , Flow (Dynamics) , Gas turbines , Heat transfer , Lasers

General Computational Heat Transfer

A Numerical Investigation of Air/Mist Cooling Through a Conjugate, Rotating 3-D Gas Turbine Blade With Internal, External, and Tip Cooling

Ramy Abdelmaksoud, Ting Wang

GT 2019; V05BT22A001doi:https://doi.org/10.1115/GT2019-90093

Abstract

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Topics: Blades , Cooling , Film cooling , Gas turbines

Unsteady Passing Wake Effects on Turbine Blade Tip Aerodynamic and Aerothermal Performance With Film Cooling

Bo Zhang, Xiaoqing Qiang, Jinfang Teng, Shaopeng Lu

GT 2019; V05BT22A002doi:https://doi.org/10.1115/GT2019-90207

Abstract

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Topics: Film cooling , Turbine blades , Wakes , Blades , Rotors , Guide vanes , Heat transfer coefficients , Leakage flows , Flow (Dynamics) , High pressure (Physics)

A CFD Assessment of Engine Core Zone Casing Heat Transfer

Zixiang Sun, Nicholas J. Hills, Richard Scott

GT 2019; V05BT22A003doi:https://doi.org/10.1115/GT2019-90381

Abstract

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Topics: Computational fluid dynamics , Engines , Heat transfer , Radiation (Physics) , Buoyancy , Flow (Dynamics) , Aircraft engines , Convection , Forced convection , Stress

Optimization Design Analysis of Primary Surface Recuperator for Rotorcraft Powerplant Applications

Chengyu Zhang, Volker Gümmer

GT 2019; V05BT22A004doi:https://doi.org/10.1115/GT2019-90842

Abstract

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Topics: Design , Optimization , Power stations , Aircraft engines , Fuel consumption , Gas turbines , Genetic algorithms , Pressure drop , Shapes , Stress

Research on the Heat Insulation Performance of Advanced Thermal Barrier Coatings Based on Dense Vertical Cracked Structure

Yun Long, Yuzhang Wang, Mengtian Zhao, Yiwu Weng

GT 2019; V05BT22A005doi:https://doi.org/10.1115/GT2019-90928

Abstract

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Topics: Heat , Insulation , Thermal barrier coatings

Application of Multi-Scale Methodology for Transonic Turbine Blade Tip Cooling Design

P. H. Duan, L. He

GT 2019; V05BT22A006doi:https://doi.org/10.1115/GT2019-91009

Abstract

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Topics: Cooling , Design , Turbine blades , Flow (Dynamics) , Geometry , Turbines , Ducts , Heat transfer , Resolution (Optics) , Shock (Mechanics)

Large Eddy Simulation of Bypass Transition in Vane Passage With Freestream Turbulence

Yousef Kanani, Sumanta Acharya, Forrest Ames

GT 2019; V05BT22A007doi:https://doi.org/10.1115/GT2019-91099

Abstract

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Topics: Large eddy simulation , Turbulence , Suction , Boundary layers , Engineering simulation , Flow (Dynamics) , Heat transfer , Inflow , Simulation , Boundary-value problems

Aerothermal Optimization of Turbine Squealer Tip Geometries With Arbitrary Cooling Injection

C. De Maesschalck, V. Andreoli, G. Paniagua, T. Gillen, B. Barker

GT 2019; V05BT22A008doi:https://doi.org/10.1115/GT2019-91208

Abstract

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Topics: Cooling , Optimization , Turbines , Design , Geometry , Aerodynamic flow , Computational fluid dynamics , Engineering simulation , Engines , Evolutionary algorithms