Topics: Cascades (Fluid dynamics) , Cooling , Airfoils , Lasers , Blades , Flow (Dynamics) , Glass , Reynolds number , Boundary layers , Chords (Trusses)

Analysis of Radiation-Convection Coupled Effects on the Turbine Vane With Different Gas Compositions

Peng Sun, Xueying Li, Jing Ren, Hongde Jiang

GT 2020; V07CT13A002https://doi.org/10.1115/GT2020-14376

Abstract

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Topics: Convection , Radiation (Physics) , Turbines , Fuels , Heat transfer , Combustion , Gas turbines , Hydrogen , Carbon dioxide , Computational fluid dynamics

Optimization Design of Turbine Blade Cooling Structure Based on Conjugate Heat Transfer

Mingrui Wang, Huiren Zhu, Yang Xu

GT 2020; V07CT13A003https://doi.org/10.1115/GT2020-14416

Abstract

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Topics: Blades , Cooling , Design , Film cooling , Heat transfer , Optimization , Temperature , Turbine blades , Turbines

Steady and Unsteady Temperature Measurements in the Wake of a Linear Cascade With Heated Airfoils

Svenja Aberle-Kern, Thomas Ripplinger, Reinhard Niehuis

GT 2020; V07CT13A004https://doi.org/10.1115/GT2020-14442

Abstract

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Topics: Airfoils , Cascades (Fluid dynamics) , Temperature measurement , Wakes , Temperature , Fluctuations (Physics) , Heat transfer , Wire , Compressors , Probes

Unsteady Analysis of Inlet Hot Streaks Clocking Effects in a 1-1/2 Turbine Stage

Yejia Jin, Hongwei Ma, Xinghang Yu

GT 2020; V07CT13A005https://doi.org/10.1115/GT2020-14488

Abstract

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Topics: Turbines

“I-Spots” and Emmons’ Spot Production Rate

R. E. Mayle, M. Stripf

GT 2020; V07CT13A006https://doi.org/10.1115/GT2020-14513

Abstract

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Topics: Flow (Dynamics) , Turbulence

Louver Slot Cooling and Full-Coverage Film Cooling With a Combination Internal Coolant Supply

Austin Click, Phillip M. Ligrani, Maggie Hockensmith, Joseph Knox, Chandler Larson, Avery Fairbanks, Federico Liberatore, Rajeshriben Patel, Yin-Hsiang Ho

GT 2020; V07CT13A007https://doi.org/10.1115/GT2020-14520

Abstract

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Topics: Coolants , Cooling , Film cooling , Reynolds number , Cross-flow , Heat transfer coefficients , Flow (Dynamics)

Development of New Single and High-Density Heat-Flux Gauges for Unsteady Heat Transfer Measurements for a Rotating Transonic Turbine

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

GT 2020; V07CT13A008https://doi.org/10.1115/GT2020-14527

Abstract

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Topics: Density , Gages , Heat flux , Heat transfer , Turbines , Airfoils , Cooling , Flow (Dynamics) , High pressure (Physics) , Pressure

Infrared Temperature Measurements of the Blade Tip for a Turbine Operating at Corrected Engine Conditions

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

GT 2020; V07CT13A009https://doi.org/10.1115/GT2020-14528

Abstract

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Topics: Blades , Engines , Temperature measurement , Turbines , Flow (Dynamics) , Cooling , Temperature , Airfoils , Design , Filters

Investigation of Similarity Criteria for an Internally-Cooled Turbine Vane Based on Artificial Neural Networks: Part I — Comparison of Similarity Criteria

Weicheng Zhao, Zhongran Chi, Shusheng Zang

GT 2020; V07CT13A010https://doi.org/10.1115/GT2020-14617

Abstract

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Topics: Artificial neural networks , Turbines , Modeling , Temperature , Computational fluid dynamics , Coolants , Cooling , Errors , Pressure , Flow (Dynamics)

Effect of Surface Roughness and Inlet Turbulence Intensity on a Turbine Nozzle Guide Vane External Heat Transfer: Experimental Investigation on a Literature Test Case

T. Bacci, A. Picchi, T. Lenzi, B. Facchini, L. Innocenti

GT 2020; V07CT13A011https://doi.org/10.1115/GT2020-14622

Abstract

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Topics: Heat transfer , Nozzle guide vanes , Surface roughness , Turbines , Turbulence , Geometry , Aerodynamics , Computational fluid dynamics , Databases , Flow (Dynamics)

A High-Speed Disk Rotor Rig Design for Tip Aerothermal Research

S. Lu, Q. Zhang, L. He

GT 2020; V07CT13A012https://doi.org/10.1115/GT2020-14624

Abstract

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Topics: Design , Disks , Rotors , Cascades (Fluid dynamics) , Flow (Dynamics) , Belts , Computational fluid dynamics , Engines , Heat transfer , Leakage

Effects of Freestream Turbulence Intensity, Turbulence Length Scale, and Exit Reynolds Number on Vane Endwall Secondary Flow and Heat Transfer in a Transonic Turbine Cascade

Zhigang Li, Bo Bai, Luxuan Liu, Jun Li, Shuo Mao, Wing Ng, Hongzhou Xu, Michael Fox

GT 2020; V07CT13A013https://doi.org/10.1115/GT2020-14639

Abstract

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Topics: Cascades (Fluid dynamics) , Flow (Dynamics) , Heat transfer , Reynolds number , Turbines , Turbulence , Stress , Combustion chambers , Gas turbines , Mach number

Study of Heat Transfer Characteristics of a Single Jet Impinging on a Conical Surface

Bo Su, Wei-jiang Xu, Zhi-ping Li, Tian-liang Zhou, Fei Lu

GT 2020; V07CT13A014https://doi.org/10.1115/GT2020-14705

Abstract

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Topics: Heat transfer , Liquid crystals

Aerodynamics and Heat Transfer Inside a Gas Turbine Mid-Passage Gap

Faisal Shaikh, Budimir Rosic

GT 2020; V07CT13A015https://doi.org/10.1115/GT2020-14756

Abstract

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Topics: Aerodynamics , Gas turbines , Heat transfer , Turbines , Blades , Computational fluid dynamics , Flow (Dynamics) , Heat , Stress , Cooling

Long Duration Uniform Crystal Temperature Sensor Application in Industrial Gas Turbine for Cooling Design Validation

Gregory Vogel, Anastasia Thomas, Edward Ginzbursky, Alex Torkaman

GT 2020; V07CT13A016https://doi.org/10.1115/GT2020-15010

Abstract

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Topics: Cooling , Crystals , Design , Industrial gases , Temperature sensors , Turbines , Temperature , Engines , Sensors , Airfoils

Experimental Heat Transfer and Boundary Layer Measurements on a Ceramic Matrix Composite Surface

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

GT 2020; V07CT13A017https://doi.org/10.1115/GT2020-15053

Abstract

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Topics: Boundary layers , Ceramic matrix composites , Heat transfer , Airfoils , Design , Flow (Dynamics) , Gas turbines , Materials properties , Thermal properties , Weight (Mass)

Optimization of Turbine Squealer Tip Cooling Design by Combining Shaping and Flow Injection

P. H. Duan, L. He

GT 2020; V07CT13A018https://doi.org/10.1115/GT2020-15116

Abstract

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Topics: Cooling , Design , Flow (Dynamics) , Optimization , Turbines , Coolants , Film cooling , Heat transfer , Leakage , Leakage flows

Feasibility Study of a Radical Vane-Integrated Heat Exchanger for Turbofan Engine Applications

Isak Jonsson, Carlos Xisto, Hamidreza Abedi, Tomas Grönstedt, Marcus Lejon

GT 2020; V07CT13A019https://doi.org/10.1115/GT2020-15243

Abstract

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Topics: Compressors , Ducts , Engines , Heat , Heat exchangers , Hydrogen , Turbofans , Compression , Computational fluid dynamics , Conceptual design

Numerical Analysis of the Phase-Change Heat Transfer Inside a Pulsating Heat Pipe With Overcritical Number of Turns

Alberto Mucci, Foster Kwame Kholi, Man Yeong Ha, Jason Chetwynd-Chatwin, June Kee Min

GT 2020; V07CT13A020https://doi.org/10.1115/GT2020-15332

Abstract

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Topics: Computational fluid dynamics , Heat pipes , Heat transfer , Numerical analysis

CFD Modelling Strategies for the Simulation of Roughness Effects on Friction and Heat Transfer in Additive Manufactured Components

Lorenzo Mazzei, Riccardo Da Soghe, Cosimo Bianchini

GT 2020; V07CT13A021https://doi.org/10.1115/GT2020-15406

Abstract

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Topics: Additive manufacturing , Computational fluid dynamics , Friction , Gas turbines , Heat transfer , Modeling , Simulation , Surface roughness

Acquisition and Processing Considerations for Infrared Images of Rotating Turbine Blades

Brian F. Knisely, Reid A. Berdanier, Karen A. Thole, Charles W. Haldeman, James R. Markham, Joseph E. Cosgrove, Andrew E. Carlson, James J. Scire, Jr.

GT 2020; V07CT13A022https://doi.org/10.1115/GT2020-15522

Abstract

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Topics: Turbine blades , Turbines , Sensors , Temperature measurement , Aircraft propulsion , Calibration , Computer simulation , Cooling , Energy generation , Film cooling

Experimental Investigation of Innovative Cooling Schemes on an Additively Manufactured Engine Scale Turbine Nozzle Guide Vane

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

GT 2020; V07CT13A023https://doi.org/10.1115/GT2020-15707

Abstract

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Topics: Additive manufacturing , Cooling , Engines , Nozzle guide vanes , Turbines , Design , Film cooling , Suction , Flow (Dynamics) , Architecture

Phantom Cooling Effects on Rotor Blade Surface Heat Flux in a Transonic Full Scale 1+1/2 Stage Rotating Turbine

Richard J. Anthony, John Finnegan, John P. Clark

GT 2020; V07CT13A024https://doi.org/10.1115/GT2020-15836

Abstract

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Topics: Blades , Heat flux , Phantom cooling , Rotors , Turbines , Film cooling , High pressure (Physics) , Pressure , Air Force , Leakage flows

The Influence of Element Thermal Conductivity, Shape, and Density on Heat Transfer in a Rough Wall Turbulent Boundary Layer With Strong Pressure Gradients

Christoph Gramespacher, Holger Albiez, Mattias Stripf, Hans-Jörg Bauer

GT 2020; V07CT13A025https://doi.org/10.1115/GT2020-15933

Abstract

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Topics: Boundary layer turbulence , Density , Heat transfer , Pressure gradient , Shapes , Surface roughness , Thermal conductivity , Pressure , Additive manufacturing , Boundary layers

The Effect of Wall Thermal Boundary Condition on Natural Convective Shutdown Cooling in a Gas Turbine

Daniel D. Fahy, Peter Ireland

GT 2020; V07CT13A026https://doi.org/10.1115/GT2020-16008

Abstract

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Topics: Cooling , Gas turbines , Thermal boundary layers , Heat transfer , Rotors , Temperature gradient , Annulus , Boundary layers , Convection , Cylinders

Investigation of Similarity Criteria for an Internally-Cooled Turbine Vane Based on Artificial Neural Networks: Part II — Experimental Validation

Weicheng Zhao, Jingying Wei, Zhongran Chi, Shusheng Zang

GT 2020; V07CT13A027https://doi.org/10.1115/GT2020-16167

Abstract

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Topics: Artificial neural networks , Turbines , Computational fluid dynamics , Modeling , Pressure , Suction , Temperature , Boundary layers , Engineering simulation , Heat transfer

Exploring Applicability of Acoustic Heat Transfer Enhancement Across Various Perturbation Elements

Tapish Agarwal, Maximilian Stratmann, Simon Julius, Beni Cukurel

GT 2020; V07CT13A028https://doi.org/10.1115/GT2020-16234

Abstract

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Topics: Acoustics , Heat transfer , Excitation , Pressure , Flow (Dynamics) , Cooling , Shapes , Turbulence , Convection , Ducts

Internal Air Systems and Seals (Joint With Turbomachinery)

Incompatible Boundary Conditions in Heat Equation Coupled With Air System Models

Jose M. Chaquet, Roque Corral

GT 2020; V07CT14A001https://doi.org/10.1115/GT2020-14011

Abstract

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Topics: Boundary-value problems , Heat , Fluids , Temperature , Air flow , Design , Engineering simulation , Flow (Dynamics) , Heat transfer , Melting point

On the Effect of Clearance on the Leakage and Cavity Pressures in an Interlocking Labyrinth Seal Operating With and Without Swirl Brakes: Experiments and Predictions

Luis San Andrés, Jing Yang, Rimpei Kawashita

GT 2020; V07CT14A002https://doi.org/10.1115/GT2020-14152

Abstract

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Topics: Brakes , Cavities , Clearances (Engineering) , Leakage , Pressure , Flow (Dynamics) , Rotors , Rotation , Turbomachinery , Design

Experimental Study on the Wear-in Behaviour of Brush Seals

Manuel Hildebrandt, Oliver Munz, Corina Schwitzke, Hans-Jörg Bauer

GT 2020; V07CT14A003https://doi.org/10.1115/GT2020-14158

Abstract

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Topics: Wear , Rotors , Temperature , Cycles , Service life (Equipment) , Transients (Dynamics) , Tungsten

Influence of Inflow Distributions on Swirling Flow in Rotor-Stator Cavity With Centripetal and Centrifugal Superposed Flow

Yu Shi, Shuiting Ding, Tian Qiu

GT 2020; V07CT14A004https://doi.org/10.1115/GT2020-14176

Abstract

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Topics: Cavities , Flow (Dynamics) , Inflow , Rotors , Stators , Swirling flow , Turbulence

Factors of Influence on the Leakage of Brush Seals

Alexander Fuchs, Johann Göttler, Oskar J. Haidn

GT 2020; V07CT14A005https://doi.org/10.1115/GT2020-14189

Abstract

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Topics: Leakage , Flow (Dynamics) , Fluid dynamics , Fluid structure interaction , Modeling , Sealing (Process) , Structural analysis , Structural mechanics

Modelling Conjugate Heat Transfer Within a Gas Turbine Secondary Air System Using Thermo-Fluid System Simulation

David Hunt, Youming Yuan

GT 2020; V07CT14A006https://doi.org/10.1115/GT2020-14202

Abstract

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Topics: Air flow , Cavities , Gas turbines , Heat transfer , Modeling , Simulation , Systems analysis , Thermofluids

Conditioning of Leakage Flows in Gas Turbine Rotor-Stator Cavities

P. W. Darby, A. W. Mesny, G. De Cosmo, M. Carnevale, G. D. Lock, J. A. Scobie, C. M. Sangan

GT 2020; V07CT14A007https://doi.org/10.1115/GT2020-14308

Abstract

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Topics: Cavities , Gas turbines , Leakage flows , Rotors , Stators , Flow (Dynamics) , Leakage , Disks , Momentum , Engines

Design and Testing of a Rig to Investigate Buoyancy-Induced Heat Transfer in Aero-Engine Compressor Rotors

Dario Luberti, Marios Patinios, Richard W. Jackson, Hui Tang, Oliver J. Pountney, James A. Scobie, Carl M. Sangan, J. Michael Owen, Gary D. Lock

GT 2020; V07CT14A008https://doi.org/10.1115/GT2020-14422

Abstract

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Topics: Aircraft engines , Buoyancy , Compressors , Design , Heat transfer , Rotors , Testing , Cavities , Disks , Temperature

Large Eddy Simulations of High Rossby Number Flow in the High Pressure Compressor Inter-Disk Cavity

Deepak Saini, Richard D. Sandberg

GT 2020; V07CT14A009https://doi.org/10.1115/GT2020-14463

Abstract

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Topics: Cavities , Compressors , Disks , Flow (Dynamics) , High pressure (Physics) , Large eddy simulation , Rayleigh number , Buoyancy , Cooling systems , Gas turbines

Numerical Investigations on the Leakage Flow Characteristics of Brush Seal Based on the 3D Staggered Tube Bundle Model

Dengqian Ma, Yuanqiao Zhang, Zhigang Li, Jun Li, Xin Yan

GT 2020; V07CT14A010https://doi.org/10.1115/GT2020-14590

Abstract

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Topics: Leakage flows , Clearances (Engineering) , Sealing (Process) , Pressure , Aerodynamics , Compression , Fluid-dynamic forces , Kinetic energy , Numerical analysis , Turbomachinery

Experimental and Computational Investigation of Flow Structure in Buoyancy Dominated Rotating Cavities

Seyed Mostafa Fazeli, Vasudevan Kanjirakkad, Christopher Long

GT 2020; V07CT14A011https://doi.org/10.1115/GT2020-14683

Abstract

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Topics: Buoyancy , Cavities , Flow (Dynamics) , Engineering simulation , Rotation , Simulation , Compressors , Computational fluid dynamics , Engines , Heat transfer

Performance of a Turbine Rim Seal Subject to Rotationally-Driven and Pressure-Driven Ingestion

Anna Bru Revert, Paul F. Beard, John W. Chew, Sebastiaan Bottenheim

GT 2020; V07CT14A012https://doi.org/10.1115/GT2020-14773

Abstract

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Topics: Pressure , Turbines , Flow (Dynamics) , Sealing (Process) , Disks , Cavities , Rotors , Annulus , Blades , Inlet guide vanes

Numerical Investigation on Unsteady Characteristics in Different Rim Seal Geometries: Part A

Xie Lei, Wang RuoNan, Liu Guang, Lian ZengYan, Du Qiang

GT 2020; V07CT14A013https://doi.org/10.1115/GT2020-14832

Abstract

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Topics: Compressors , Computational fluid dynamics , Computer simulation , Cooling , Design , Disks , Engines , Flow (Dynamics) , Geometry , Pressure

An Integrated Approach to Simulate Gas Turbine Secondary Air System

Ali Izadi, Seyed Hossein Madani, Seyed Vahid Hosseini, Mahmoud Chizari

GT 2020; V07CT14A014https://doi.org/10.1115/GT2020-14966

Abstract

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Topics: Gas turbines , Flow (Dynamics) , Design , Turbines , Computational fluid dynamics , Coolants , Disks , Engines , Heat transfer , Modeling

Wall-Modelled Large Eddy Simulations of Axial Turbine Rim Sealing

Donato M. Palermo, Feng Gao, Dario Amirante, John W. Chew, Anna Bru Revert, Paul F. Beard

GT 2020; V07CT14A015https://doi.org/10.1115/GT2020-14973

Abstract

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Topics: Large eddy simulation , Sealing (Process) , Turbines , Rotors , Simulation , Annulus , Blades , Cavity flows , Convection , Eddies (Fluid dynamics)

Experimental Investigation on the Effect of Varying Purge Flow in a Newly Commissioned Single Stage Turbine Test Facility

Daniel Payne, Vasudevan Kanjirakkad

GT 2020; V07CT14A016https://doi.org/10.1115/GT2020-14975

Abstract

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Topics: Flow (Dynamics) , Test facilities , Turbines , Cavities , Annulus , Rotors , Air flow , Disks , Engines , Reynolds number

Heat Transfer Analysis in a Rotating Cavity With Axial Through-Flow

M. R. Puttock-Brown, C. A. Long

GT 2020; V07CT14A017https://doi.org/10.1115/GT2020-14994

Abstract

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Topics: Cavities , Flow (Dynamics) , Heat transfer , Uncertainty , Compressors , Curve fitting , Disks , Geometry , Heat conduction , Heat flux

Measured Influence of Clearance and Eccentricity on Brush Seal Leakage Characteristics

Manish R. Thorat, Brian Bauer

GT 2020; V07CT14A018https://doi.org/10.1115/GT2020-15075

Abstract

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Topics: Clearances (Engineering) , Leakage , Rotation , Press fits , Rotors , Turbomachinery , Wear

Cooling Improvement of Gas Turbine Rotary Blades

Faezeh Rasimarzabadi, Ramin Kamalimoghadam, Mahmoud Najafi, MohammadReza Mohammadi, Nasrin Sahranavard Fard

GT 2020; V07CT14A019https://doi.org/10.1115/GT2020-15214

Abstract

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Topics: Blades , Computational fluid dynamics , Cooling , Gas turbines , Torque

Influence of Labyrinth Clearance on the Flow of Rotating Orifices in a Parallel Labyrinth-Orifice System

Jie Wang, Shuiting Ding, Tian Qiu, Ziqiang Gao

GT 2020; V07CT14A020https://doi.org/10.1115/GT2020-15296

Abstract

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Topics: Clearances (Engineering) , Discharge coefficient , Flow (Dynamics) , Orifices

Experimental Results of Local Shear Stresses and Friction Torque in an Open Rotor-Stator Disc System

Alexander Kuntze, Stefan Odenbach, Wieland Uffrecht

GT 2020; V07CT14A021https://doi.org/10.1115/GT2020-15498

Abstract

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Topics: Disks , Friction , Rotors , Shear stress , Stators , Torque , Sensors , Displacement , Heat transfer coefficients , Reynolds number

Development of Experimental and Numerical Methods for the Analysis of Active Clearance Control Systems

Riccardo Da Soghe, Lorenzo Mazzei, Lorenzo Tarchi, Lorenzo Cocchi, Alessio Picchi, Bruno Facchini, Laurent Descamps, Julian Girardeau, Matthieu Simon

GT 2020; V07CT14A022https://doi.org/10.1115/GT2020-15540

Abstract

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Topics: Clearances (Engineering) , Control systems , Numerical analysis , Pressure , Turbines , Flow (Dynamics) , Reynolds-averaged Navier–Stokes equations , Aircraft engines , Blades , Design

Process Automation for Aero Engine Secondary Air System Seal Design

Adele Nasti

GT 2020; V07CT14A023https://doi.org/10.1115/GT2020-15623

Abstract

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Topics: Aircraft engines , Design , Optimization

Transient Aero-Thermo-Mechanical Multidimensional Analysis of a High Pressure Turbine Assembly Through a Square Cycle

Vlad Ganine, John W. Chew, Nicholas J. Hills, Sulfi N. Mohamed, Matthew M. Miller

GT 2020; V07CT14A024https://doi.org/10.1115/GT2020-15667

Abstract

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Topics: Cycles , High pressure (Physics) , Manufacturing , Transients (Dynamics) , Turbines , Flow (Dynamics) , Cooling , Engines , Heat transfer , Aircraft engines

An Approach to Model a Lossless Junction for Fluid Network Calculations in Turbomachinery

Andrii Khandrymailov, Leonid Moroz, Viktor Yevlakhov, Shanel Staple, Gregory Vogel

GT 2020; V07CT14A025https://doi.org/10.1115/GT2020-16079

Abstract

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Topics: Flow (Dynamics) , Fluids , Junctions , Turbomachinery , Pressure , Air flow , Computational fluid dynamics , Fluid dynamics , Inflow , Momentum

Some Observations on the Computational Sensitivity of Rotating Cavity Flows

Tom Hickling, Li He

GT 2020; V07CT14A026https://doi.org/10.1115/GT2020-16103

Abstract

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Topics: Aerodynamics , Buoyancy , Cavities , Cavity flows , Compressors , Computation , Disks , Eddies (Fluid dynamics) , Feedback , Flow (Dynamics)

Measurement and Analysis of Buoyancy-Induced Heat Transfer in Aero-Engine Compressor Rotors

Richard W. Jackson, Dario Luberti, Hui Tang, Oliver J. Pountney, James A. Scobie, Carl M. Sangan, J. Michael Owen, Gary D. Lock

GT 2020; V07CT14A027https://doi.org/10.1115/GT2020-16219

Abstract

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Topics: Aircraft engines , Buoyancy , Compressors , Heat transfer , Rotors , Disks , Cavities , Flow (Dynamics) , Temperature , Boundary-value problems

Ekman Layer Scrubbing and Shroud Heat Transfer in Centrifugal Buoyancy-Driven Convection

Feng Gao, John W. Chew

GT 2020; V07CT14A028https://doi.org/10.1115/GT2020-16220

Abstract

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Topics: Buoyancy , Convection , Ekman dynamics , Heat transfer , Cavities , Approximation , Computer simulation , Eddies (Fluid dynamics) , Engines , Flow (Dynamics)

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