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ASME Turbo Expo 2016: Turbomachinery Technical Conference and Exposition

June 13–17, 2016

Seoul, South Korea

Conference Sponsors:

ISBN:

978-0-7918-4978-1

In This Volume

Conjugate Heat Transfer (10)
General Heat Transfer (34)
Internal Air Systems and Seals (With Turbomachinery) (36)

Volume 5A: Heat Transfer

Conjugate Heat Transfer

Analysis of Conjugate Heat Transfer Between Cooling Film and Thermal Barrier Coatings Based on Micro-Structure

Yuzhang Wang, Jiali Li, Hongzhao Liu, Yiwu Weng

GT 2016; V05AT10A001https://doi.org/10.1115/GT2016-56298

Abstract

View Articletitled, Analysis of Conjugate Heat Transfer Between Cooling Film and Thermal Barrier Coatings Based on Micro-Structure

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Topics: Cooling , Heat transfer , Thermal barrier coatings , Coatings , Flow (Dynamics) , Fluids , Lattice Boltzmann methods , Scanning electron microscopy , Stability , Surface roughness

Large Eddy Simulation of Conjugate Heat Transfer Around a Multi-Perforated Plate With Deviation

Dorian Lahbib, Antoine Dauptain, Florent Duchaine, Franck Nicoud

GT 2016; V05AT10A002https://doi.org/10.1115/GT2016-56442

Abstract

View Articletitled, Large Eddy Simulation of Conjugate Heat Transfer Around a Multi-Perforated Plate With Deviation

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Topics: Heat transfer , Large eddy simulation , Flow (Dynamics) , Temperature , Combustion chambers , Heat flux , Air flow , Boundary layers , Compressors , Computation

Conjugate Heat Transfer Analysis for Gas Turbine Film-Cooled Blade

Kuo-San Ho, Jong S. Liu, Thomas Elliott, Bruno Aguilar

GT 2016; V05AT10A003https://doi.org/10.1115/GT2016-56688

Abstract

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

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Topics: Blades , Gas turbines , Heat transfer , Temperature , Turbulence , Computational fluid dynamics , Flow (Dynamics) , Metals , Pressure , Suction

Conjugate Heat Transfer Simulation of the Intercooled Compressor Vanes Based on Discontinuous Galerkin Method

Long-gang Liu, Chun-wei Gu, Xiao-dong Ren

GT 2016; V05AT10A004https://doi.org/10.1115/GT2016-56930

Abstract

View Articletitled, Conjugate Heat Transfer Simulation of the Intercooled Compressor Vanes Based on Discontinuous Galerkin Method

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Topics: Compressors , Galerkin method , Heat transfer , Simulation , Cooling , Coolants , Temperature , Aircraft engines , Brayton cycle , Computer simulation

Impingement/Effusion Cooling Wall Heat Transfer: Conjugate Heat Transfer Computational Fluid Dynamic Predictions

Abubakar M. El-Jummah, Gordon E. Andrews, John E. J. Staggs

GT 2016; V05AT10A005https://doi.org/10.1115/GT2016-56961

Abstract

View Articletitled, Impingement/Effusion Cooling Wall Heat Transfer: Conjugate Heat Transfer Computational Fluid Dynamic Predictions

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Topics: Computational fluid dynamics , Cooling , Heat transfer , Coolants , Density , Flow (Dynamics) , Heat transfer coefficients , Porosity , Turbulence

Impingement Jet Cooling With Ribs and Pin Fin Obstacles in Co-Flow Configurations: Conjugate Heat Transfer Computational Fluid Dynamic Predictions

Abubakar M. El-Jummah, Gordon E. Andrews, John E. J. Staggs

GT 2016; V05AT10A006https://doi.org/10.1115/GT2016-57021

Abstract

View Articletitled, Impingement Jet Cooling With Ribs and Pin Fin Obstacles in Co-Flow Configurations: Conjugate Heat Transfer Computational Fluid Dynamic Predictions

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Topics: Computational fluid dynamics , Flow (Dynamics) , Heat transfer , Impingement cooling , Fins , Coolants , Pressure , Cooling , Heat transfer coefficients , Jets

Overall Cooling Effectiveness on a Flat Plate With Both Film Cooling and Impingement Cooling in Hot Gas Condition

Bo Shi, Jia Li, Mingfei Li, Jing Ren, Hongde Jiang

GT 2016; V05AT10A007https://doi.org/10.1115/GT2016-57224

Abstract

View Articletitled, Overall Cooling Effectiveness on a Flat Plate With Both Film Cooling and Impingement Cooling in Hot Gas Condition

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Topics: Cooling , Film cooling , Flat plates , Impingement cooling , Temperature , Coolants , Density , Engines , Heat transfer , Temperature distribution

Conjugate Heat Transfer Analysis for Laminated Cooling Effectiveness: Part A — Effects of Surface Curvature

Weilun Zhou, Qinghua Deng, Zhenping Feng

GT 2016; V05AT10A008https://doi.org/10.1115/GT2016-57243

Abstract

View Articletitled, Conjugate Heat Transfer Analysis for Laminated Cooling Effectiveness: Part A — Effects of Surface Curvature

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Topics: Cooling , Heat transfer , Film cooling , Flat plates , Pressure , Blades , Combustion chambers , Flow (Dynamics) , Gas turbines , Impingement cooling

Conjugate Heat Transfer Analysis for Laminated Cooling Effectiveness: Part B — Effects of Film Hole Incline Angle

Qinghua Deng, Weilun Zhou, Zhenping Feng

GT 2016; V05AT10A009https://doi.org/10.1115/GT2016-57256

Abstract

View Articletitled, Conjugate Heat Transfer Analysis for Laminated Cooling Effectiveness: Part B — Effects of Film Hole Incline Angle

PDF

Topics: Cooling , Heat transfer , Flat plates , Pressure , Blades , Combustion , Coolants , Flow separation , Gas turbines

Multi-Disciplinary Analyses for the Design of a High Pressure Turbine Blade Tip

Stefano Caloni, Shahrokh Shahpar

GT 2016; V05AT10A010https://doi.org/10.1115/GT2016-57794

Abstract

View Articletitled, Multi-Disciplinary Analyses for the Design of a High Pressure Turbine Blade Tip

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Topics: Design , High pressure (Physics) , Turbine blades , Flow (Dynamics) , Temperature , Turbines , Airfoils , Computational fluid dynamics , Cooling , Engineering disciplines

General Heat Transfer

Computational and Experimental Studies of Midpassage Gap Leakage and Misalignment for a Non-Axisymmetric Contoured Turbine Blade Endwall

Eric Lange, Stephen Lynch, Scott Lewis

GT 2016; V05AT13A001https://doi.org/10.1115/GT2016-56128

Abstract

View Articletitled, Computational and Experimental Studies of Midpassage Gap Leakage and Misalignment for a Non-Axisymmetric Contoured Turbine Blade Endwall

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Topics: Leakage , Turbine blades , Heat transfer , Leakage flows , Blades , Computational fluid dynamics , Flow (Dynamics) , Heat transfer coefficients , Reynolds-averaged Navier–Stokes equations , Turbines

Experimental/Numerical Investigation of Crossover Jet Impingement in a Rib-Roughened Trailing-Edge Cooling Channel

Mohammad E. Taslim, Fei Xue

GT 2016; V05AT13A002https://doi.org/10.1115/GT2016-56139

Abstract

View Articletitled, Experimental/Numerical Investigation of Crossover Jet Impingement in a Rib-Roughened Trailing-Edge Cooling Channel

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Topics: Cooling , Turbulence , Heat transfer coefficients , Reynolds number , Airfoils , Axial flow , Boundary-value problems , Cavities , Computational fluid dynamics , Computer simulation

Influences of Target Surface Roughness on Impingement Jet Array Heat Transfer: Part 1 — Effects of Roughness Pattern, Roughness Height, and Reynolds Number

W. Buzzard, Z. Ren, P. Ligrani, C. Nakamata, S. Ueguchi

GT 2016; V05AT13A003https://doi.org/10.1115/GT2016-56354

Abstract

View Articletitled, Influences of Target Surface Roughness on Impingement Jet Array Heat Transfer: Part 1 — Effects of Roughness Pattern, Roughness Height, and Reynolds Number

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Topics: Heat transfer , Reynolds number , Surface roughness , Pins (Engineering) , Cooling , Impingement cooling , Shapes

Influences of Target Surface Roughness on Impingement Jet Array Heat Transfer: Part 2 — Effects of Roughness Shape, and Reynolds Number

W. Buzzard, Z. Ren, P. M. Ligrani, C. Nakamata, S. Ueguchi

GT 2016; V05AT13A004https://doi.org/10.1115/GT2016-56355

Abstract

View Articletitled, Influences of Target Surface Roughness on Impingement Jet Array Heat Transfer: Part 2 — Effects of Roughness Shape, and Reynolds Number

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Topics: Heat transfer , Reynolds number , Shapes , Surface roughness , Pins (Engineering) , Cooling , Impingement cooling , Vorticity

Effects of Double Wall Cooling Configuration and Conditions on Performance of Full Coverage Effusion Cooling

Nathan Rogers, Zhong Ren, Warren Buzzard, Brian Sweeney, Nathan Tinker, Phil Ligrani, Keith Hollingsworth, Fred Liberatore, Rajeshriben Patel, Hee-Koo Moon

GT 2016; V05AT13A005https://doi.org/10.1115/GT2016-56515

Abstract

View Articletitled, Effects of Double Wall Cooling Configuration and Conditions on Performance of Full Coverage Effusion Cooling

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Topics: Cooling , Film cooling , Temperature , Coolants , Cross-flow , Heat transfer coefficients , Wall temperature , Combustion chambers , Flow (Dynamics) , Gas turbines

Water-Mist-Cooled Heat Sink for Autonomous Air-Cooling System (AACS) of More Electric Aircraft (MEA)

Akira Murata, Hiroshi Saito, Yoji Okita

GT 2016; V05AT13A006https://doi.org/10.1115/GT2016-56578

Abstract

View Articletitled, Water-Mist-Cooled Heat Sink for Autonomous Air-Cooling System (AACS) of More Electric Aircraft (MEA)

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Topics: Aircraft , Cooling , Heat sinks , Water , Engines , Motors , Control equipment , Electronics , Geometry , Heat

Non-Uniform Array Impingement on a Curved Surface

John Harrington, Jahed Hossain, Christian Garrett, Wenping Wang, Jay Kapat, Steven Thorpe, Michael Maurer

GT 2016; V05AT13A007https://doi.org/10.1115/GT2016-56621

Abstract

View Articletitled, Non-Uniform Array Impingement on a Curved Surface

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Topics: Computational fluid dynamics , Eddies (Fluid dynamics) , Engineering simulation , Flow (Dynamics) , Heat transfer , Heat transfer coefficients , Pressure , Reynolds number , Simulation , Steady state

Use of Rib Turbulators to Enhance Post-Impingement Heat Transfer for Curved Surface

Jahed Hossain, Christian Garrett, Andres Curbelo, John Harrington, Wenping Wang, Jay Kapat, Steven Thorpe, Michael Maurer

GT 2016; V05AT13A008https://doi.org/10.1115/GT2016-56638

Abstract

View Articletitled, Use of Rib Turbulators to Enhance Post-Impingement Heat Transfer for Curved Surface

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Topics: Heat transfer , Computational fluid dynamics , Engineering simulation , Pressure , Simulation , Jets , Reynolds number , Steady state , Temperature

Unsteady Adjoint of Pressure Loss for a Fundamental Transonic Turbine Vane

Chaitanya Talnikar, Qiqi Wang, Gregory M. Laskowski

GT 2016; V05AT13A009https://doi.org/10.1115/GT2016-56689

Abstract

View Articletitled, Unsteady Adjoint of Pressure Loss for a Fundamental Transonic Turbine Vane

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Topics: Pressure , Turbines , Engineering simulation , Simulation , Boundary layers , Large eddy simulation , Design , Dynamics (Mechanics) , Flow (Dynamics) , Optimization

Numerical and Experimental Investigation of Aerodynamics on Flow Around a Highly Loaded Low-Pressure Turbine Blade With Flow Separation Under Steady and Periodic Unsteady Inlet Flow Condition

Ali Nikparto, Meinhard T. Schobeiri

GT 2016; V05AT13A010https://doi.org/10.1115/GT2016-56699

Abstract

View Articletitled, Numerical and Experimental Investigation of Aerodynamics on Flow Around a Highly Loaded Low-Pressure Turbine Blade With Flow Separation Under Steady and Periodic Unsteady Inlet Flow Condition

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Topics: Aerodynamics , Flow (Dynamics) , Flow separation , Pressure , Turbine blades , Boundary layers , Reynolds-averaged Navier–Stokes equations , Wakes , Blades , Separation (Technology)

Numerical Investigation of the Blade Tip and Overtip Casing Aerothermal Performance in a High Pressure Turbine Stage

Kun Du, Zhigang Li, Jun Li

GT 2016; V05AT13A011https://doi.org/10.1115/GT2016-56709

Abstract

View Articletitled, Numerical Investigation of the Blade Tip and Overtip Casing Aerothermal Performance in a High Pressure Turbine Stage

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Topics: Blades , High pressure (Physics) , Turbines , Cavities , Rotors , Stress , Engines , Gas turbines , Heat transfer coefficients , Turbulence

Effect of Surface Roughness on Conjugate Heat Transfer of a Turbine Vane

Hongyang Li, Yun Zheng

GT 2016; V05AT13A012https://doi.org/10.1115/GT2016-56744

Abstract

View Articletitled, Effect of Surface Roughness on Conjugate Heat Transfer of a Turbine Vane

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Topics: Heat transfer , Surface roughness , Turbines , Boundary layers , Suction , Boundary layer turbulence , Computational fluid dynamics , Sands , Shock waves , Temperature

CFD Evaluations of Film Cooling Flow Scaling Between Engine and Experimental Conditions

James L. Rutledge, Marc D. Polanka, Nathan J. Greiner

GT 2016; V05AT13A013https://doi.org/10.1115/GT2016-56760

Abstract

View Articletitled, CFD Evaluations of Film Cooling Flow Scaling Between Engine and Experimental Conditions

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Topics: Computational fluid dynamics , Engines , Film cooling , Flow (Dynamics) , Coolants , Carbon dioxide , Density , Temperature , Low temperature , Momentum

Heat Transfer of Winglet Tips in a Transonic Turbine Cascade

Fangpan Zhong, Chao Zhou, H. Ma, Q. Zhang

GT 2016; V05AT13A014https://doi.org/10.1115/GT2016-56804

Abstract

View Articletitled, Heat Transfer of Winglet Tips in a Transonic Turbine Cascade

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Topics: Cascades (Fluid dynamics) , Heat transfer , Turbines , Heat transfer coefficients , Blades , Suction , Vortices , Cavities , Flow (Dynamics) , Leakage

Heat Transfer and Fluid Flow of a Single Jet Impingement in Cross-Flow Modified by a Vortex Generator Pair

Chenglong Wang, Lei Luo, Lei Wang, Bengt Sundén

GT 2016; V05AT13A015https://doi.org/10.1115/GT2016-56894

Abstract

View Articletitled, Heat Transfer and Fluid Flow of a Single Jet Impingement in Cross-Flow Modified by a Vortex Generator Pair

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Topics: Cross-flow , Fluid dynamics , Generators , Heat transfer , Vortices , Flow (Dynamics) , Gas turbines , Heat transfer coefficients , Impingement cooling , Liquid crystals

Numerical Simulation on the Performance of Air-Air Primary Surface Heat Exchanger

Yinze Liu, Wei Dong, Guilin Lei, Xiao Yu

GT 2016; V05AT13A016https://doi.org/10.1115/GT2016-56905

Abstract

View Articletitled, Numerical Simulation on the Performance of Air-Air Primary Surface Heat Exchanger

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Topics: Computer simulation , Heat exchangers , Computer software , Cross-flow , Design , Flow (Dynamics) , Heat , Heat transfer , Microchannels , Pressure drop

Laboratory Infra-Red Thermal Assessment of Laser-Sintered High-Pressure Nozzle Guide Vanes to De-Risk Engine Design Programmes

Benjamin Kirollos, Thomas Povey

GT 2016; V05AT13A017https://doi.org/10.1115/GT2016-57382

Abstract

View Articletitled, Laboratory Infra-Red Thermal Assessment of Laser-Sintered High-Pressure Nozzle Guide Vanes to De-Risk Engine Design Programmes

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Topics: Engine design , High pressure (Physics) , Lasers , Nozzle guide vanes , Risk , Engines , Coolants , Cooling , Cooling systems , Flow (Dynamics)

Aero-Thermal Performance of a Nozzle Vane Cascade With a Generic Non Uniform Inlet Flow Condition: Part I — Influence of Non Uniformity Location

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

GT 2016; V05AT13A018https://doi.org/10.1115/GT2016-57438

Abstract

View Articletitled, Aero-Thermal Performance of a Nozzle Vane Cascade With a Generic Non Uniform Inlet Flow Condition: Part I — Influence of Non Uniformity Location

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Topics: Cascades (Fluid dynamics) , Flow (Dynamics) , Nozzles , Wind tunnels , Mach number , Nozzle guide vanes , Suction , Turbulence

Aero-Thermal Performance of a Nozzle Vane Cascade With a Generic Non Uniform Inlet Flow Condition: Part II — Influence of Purge and Film Cooling Injection

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

GT 2016; V05AT13A019https://doi.org/10.1115/GT2016-57445

Abstract

View Articletitled, Aero-Thermal Performance of a Nozzle Vane Cascade With a Generic Non Uniform Inlet Flow Condition: Part II — Influence of Purge and Film Cooling Injection

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Topics: Cascades (Fluid dynamics) , Film cooling , Flow (Dynamics) , Nozzles , Cooling , Combustion chambers , Coolants , Cooling systems , Mach number , Probes

Experimental Validation of an Innovative Metallic Tile Holder System for a Ceramic Combustor Liner

Riccardo Becchi, Emanuele Burberi, Bruno Facchini, Lorenzo Tarchi, Luca Abba

GT 2016; V05AT13A020https://doi.org/10.1115/GT2016-57505

Abstract

View Articletitled, Experimental Validation of an Innovative Metallic Tile Holder System for a Ceramic Combustor Liner

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Topics: Ceramics , Combustion chambers , Tiles , Bricks , Flow (Dynamics) , Cooling , Cooling systems , Gas turbines , Pressure , Air flow

Temperature Effects on Nozzle Guide Vane Deposition in a New Turbine Cascade Rig

Ryan Lundgreen, Craig Sacco, Robin Prenter, Jeffrey P. Bons

GT 2016; V05AT13A021https://doi.org/10.1115/GT2016-57560

Abstract

View Articletitled, Temperature Effects on Nozzle Guide Vane Deposition in a New Turbine Cascade Rig

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Topics: Cascades (Fluid dynamics) , Nozzle guide vanes , Temperature effects , Turbines , Temperature , Hardware , Coatings , Cooling , Gas turbines , Metals

Secondary Flow and Extra Heat Transfer Enhancement of Ribbed Surface After Jet Impingement

Z. Wang, Q. Zhang, Y. Yan, K. Liu

GT 2016; V05AT13A022https://doi.org/10.1115/GT2016-57563

Abstract

View Articletitled, Secondary Flow and Extra Heat Transfer Enhancement of Ribbed Surface After Jet Impingement

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Topics: Flow (Dynamics) , Heat transfer , Design , Vortices , Channel flow , Computational fluid dynamics , Convection , Cross-flow , Engineering simulation , Jets

Cooling Injection Effect on a Transonic Squealer Tip: Part 1 — Experimental Heat Transfer Results and CFD Validation

H. Ma, Q. Zhang, L. He, Z. Wang, L. Wang

GT 2016; V05AT13A023https://doi.org/10.1115/GT2016-57579

Abstract

View Articletitled, Cooling Injection Effect on a Transonic Squealer Tip: Part 1 — Experimental Heat Transfer Results and CFD Validation

PDF

Topics: Computational fluid dynamics , Cooling , Heat transfer , Flow (Dynamics) , Heat transfer coefficients , Blades , Cascades (Fluid dynamics) , Cavities , Computer simulation , Coolants

Cooling Injection Effect on a Transonic Squealer Tip: Part 2 — Analysis of Aerothermal Interaction Physics

H. Ma, Q. Zhang, L. He, Z. Wang, L. Wang

GT 2016; V05AT13A024https://doi.org/10.1115/GT2016-57587

Abstract

View Articletitled, Cooling Injection Effect on a Transonic Squealer Tip: Part 2 — Analysis of Aerothermal Interaction Physics

PDF

Topics: Cooling , Physics , Flow (Dynamics) , Coolants , Blades , Cavities , Heat transfer , Computational fluid dynamics , Transonic flow , Vortex flow

Unsteady Effects in the Heat Load Predictions for a Two-Stage Compressor Turbine

Arman Farhanieh, Christoph Mau, Mats Annerfeldt, Hossein Nadali Najafabadi, Matts Karlsson

GT 2016; V05AT13A025https://doi.org/10.1115/GT2016-57742

Abstract

View Articletitled, Unsteady Effects in the Heat Load Predictions for a Two-Stage Compressor Turbine

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Topics: Compressors , Heat , Stress , Turbines , Engineering simulation , Simulation , Cavities , Cooling , Transients (Dynamics) , Stators

An Experimental and Numerical Investigation of the Effect of Combustor-Nozzle Platform Misalignment on Endwall Heat Transfer at Transonic High Turbulence Conditions

A. Arisi, D. Mayo, Z. Li, W. F. Ng, H. K. Moon, L. Zhang

GT 2016; V05AT13A026https://doi.org/10.1115/GT2016-57763

Abstract

View Articletitled, An Experimental and Numerical Investigation of the Effect of Combustor-Nozzle Platform Misalignment on Endwall Heat Transfer at Transonic High Turbulence Conditions

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Topics: Combustion chambers , Heat transfer , Nozzles , Turbulence , Vortices , Computational fluid dynamics , Engines , Flow (Dynamics) , Gates (Closures) , Mach number

Unsteady Heat Transfer and Pressure Measurements on the Airfoils of a Rotating Transonic Turbine With Multiple Cooling Configurations

Jeremy B. Nickol, Randall M. Mathison, Michael G. Dunn, Jong S. Liu, Malak F. Malak

GT 2016; V05AT13A027https://doi.org/10.1115/GT2016-57768

Abstract

View Articletitled, Unsteady Heat Transfer and Pressure Measurements on the Airfoils of a Rotating Transonic Turbine With Multiple Cooling Configurations

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Topics: Airfoils , Cooling , Heat transfer , Pressure measurement , Turbines , Blades , Gages , Heat flux , Film cooling , Flow (Dynamics)

An Investigation of Coolant Within Serpentine Passages of a High-Pressure Axial Gas Turbine Blade

Jeremy B. Nickol, Randall M. Mathison, Michael G. Dunn, Jong S. Liu, Malak F. Malak

GT 2016; V05AT13A028https://doi.org/10.1115/GT2016-57776

Abstract

View Articletitled, An Investigation of Coolant Within Serpentine Passages of a High-Pressure Axial Gas Turbine Blade

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Topics: Blades , Coolants , Gas turbines , High pressure (Physics) , Film cooling , Airfoils , Cooling , Pressure , Design , Flow (Dynamics)

Detailed Experimental Characterization of Heat Transfer Coefficient Over the Internal Cooling Passages of an Additive Manufactured Turbine Airfoil

Sin Chien Siw, Minking K. Chyu, Jae Y. Um, Ching-Pang Lee

GT 2016; V05AT13A029https://doi.org/10.1115/GT2016-57787

Abstract

View Articletitled, Detailed Experimental Characterization of Heat Transfer Coefficient Over the Internal Cooling Passages of an Additive Manufactured Turbine Airfoil

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Topics: Additive manufacturing , Airfoils , Cooling , Experimental characterization , Heat transfer coefficients , Turbines , Heat transfer , Pressure , Flow (Dynamics) , Reynolds number

Uncertainty Quantification of Thermocouple Air Temperature Measurement in Highly Radiative Environment: Application to Turbofan Engine Compartment

Y. Sommerer, V. Drouin, X. Nicolas, B. Trouette

GT 2016; V05AT13A030https://doi.org/10.1115/GT2016-57938

Abstract

View Articletitled, Uncertainty Quantification of Thermocouple Air Temperature Measurement in Highly Radiative Environment: Application to Turbofan Engine Compartment

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Topics: Engines , Temperature measurement , Thermocouples , Turbofans , Uncertainty quantification , Heat shielding , Temperature , Uncertainty , Heat flux , Computer simulation

Detailed Numerical Study of Flow and Vortex Dynamics in Staggered Pin-Fin Arrays Within a Channel

K. Kannan, M. Khoshlessan, M. Herrmann, Y. Peet

GT 2016; V05AT13A031https://doi.org/10.1115/GT2016-57968

Abstract

View Articletitled, Detailed Numerical Study of Flow and Vortex Dynamics in Staggered Pin-Fin Arrays Within a Channel

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Topics: Dynamics (Mechanics) , Flow (Dynamics) , Vortices , Heat transfer , Computer simulation , Engineering simulation , Physics , Simulation , Temperature , Boundary-value problems

Numerical Study on Flow and Heat Transfer of a Cooled First Stage Vane of a Gas Turbine

Lv Ye, Zhao Liu, Xiangyu Wang, Zhenping Feng

GT 2016; V05AT13A032https://doi.org/10.1115/GT2016-57977

Abstract

View Articletitled, Numerical Study on Flow and Heat Transfer of a Cooled First Stage Vane of a Gas Turbine

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Topics: Flow (Dynamics) , Gas turbines , Heat transfer , Coolants , Cooling , Pressure , Film cooling , Boundary-value problems , Composite materials , Computer simulation

Impingement Cooling in Narrow Rectangular Channel With Novel Surface Features

Sarwesh Narayan Parbat, Sin Chien Siw, Minking K. Chyu

GT 2016; V05AT13A033https://doi.org/10.1115/GT2016-58084

Abstract

View Articletitled, Impingement Cooling in Narrow Rectangular Channel With Novel Surface Features

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Topics: Airfoils , Boundary-value problems , Cavities , Computer simulation , Computer software , Deflection , Dimensions , Engineering simulation , Flow (Dynamics) , Heat transfer

Experimental Characterization of the Vane Heat Flux Under Pulsating Trailing-Edge Blowing

J. Saavedra, G. Paniagua, B. H. Saracoglu

GT 2016; V05AT13A034https://doi.org/10.1115/GT2016-58100

Abstract

View Articletitled, Experimental Characterization of the Vane Heat Flux Under Pulsating Trailing-Edge Blowing

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Topics: Experimental characterization , Heat flux , Shock waves , Coolants , Rotors , Shock (Mechanics) , Bubbles , Engines , Separation (Technology) , Turbines

Internal Air Systems and Seals (With Turbomachinery)

Unsteady Flow Phenomena in Turbine Rim Seals

Paul F. Beard, John Chew, Feng Gao, Kam S. Chana

GT 2016; V05AT15A001https://doi.org/10.1115/GT2016-56110

Abstract

View Articletitled, Unsteady Flow Phenomena in Turbine Rim Seals

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Topics: Turbines , Unsteady flow , Flow (Dynamics) , Computational fluid dynamics , Disks , Sealing (Process) , Cavities , Cavity flows , Design , Physics

Experiments on Front- and Aft- Disk Cavity Ingestion in a Subscale 1.5-Stage Axial Turbine

J. Balasubramanian, M. Michael, R. P. Roy, Y. W. Kim, H. K. Moon

GT 2016; V05AT15A002https://doi.org/10.1115/GT2016-56214

Abstract

View Articletitled, Experiments on Front- and Aft- Disk Cavity Ingestion in a Subscale 1.5-Stage Axial Turbine

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Topics: Cavities , Disks , Turbines , Pressure , Rotors , Air flow , Clearances (Engineering) , Annulus , Carbon dioxide , Discharge coefficient

Comparison of Single and Double Lip Rim Seal Geometry

Svilen S. Savov, Nicholas R. Atkins, Sumiu Uchida

GT 2016; V05AT15A003https://doi.org/10.1115/GT2016-56317

Abstract

View Articletitled, Comparison of Single and Double Lip Rim Seal Geometry

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Topics: Blades , Cavities , Cavity flows , Engines , Flow (Dynamics) , Geometry , Pressure , Reynolds number , Shear (Mechanics)

Effect of Buoyancy-Induced Rotating Flow on Temperatures of Compressor Discs

Hui Tang, J. Michael Owen

GT 2016; V05AT15A004https://doi.org/10.1115/GT2016-56374

Abstract

View Articletitled, Effect of Buoyancy-Induced Rotating Flow on Temperatures of Compressor Discs

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Topics: Buoyancy , Compressors , Disks , Flow (Dynamics) , Temperature , Rotors , Cavities , Computational fluid dynamics , Blades , Coriolis force

Subsonic Flow Over Open Cavities: Part 1 — Analytical Models and Numerical Investigations

Weidong Shao, Jun Li

GT 2016; V05AT15A005https://doi.org/10.1115/GT2016-56414

Abstract

View Articletitled, Subsonic Flow Over Open Cavities: Part 1 — Analytical Models and Numerical Investigations

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Topics: Cavities , Subsonic flow , Oscillations , Acoustics , Boundary layers , Feedback , Fluctuations (Physics) , Mach number , Noise (Sound) , Resonance

Subsonic Flow Over Open Cavities: Part 2 — Passive Control Methods

Weidong Shao, Jun Li

GT 2016; V05AT15A006https://doi.org/10.1115/GT2016-56415

Abstract

View Articletitled, Subsonic Flow Over Open Cavities: Part 2 — Passive Control Methods

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Topics: Cavities , Passive control , Subsonic flow , Oscillations , Resonance , Sound pressure , Stress , Cavity flows , Cavity walls , Drag (Fluid dynamics)

Effect of Bolts on Flow and Heat Transfer in a Rotor-Stator Disc Cavity

Sulfickerali Noor Mohamed, John W. Chew, Nicholas J. Hills

GT 2016; V05AT15A007https://doi.org/10.1115/GT2016-56470

Abstract

View Articletitled, Effect of Bolts on Flow and Heat Transfer in a Rotor-Stator Disc Cavity

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Topics: Cavities , Disks , Flow (Dynamics) , Heat transfer , Rotors , Stators , Computational fluid dynamics , Engineering simulation , Simulation , Temperature

Experimental and Numerical Investigation of Low-Pressure Preswirl Stator-Rotor Cooling System

B. F. Kutlu, B. T. Ealy, J. Hossain, W. Wang, Jay Kapat, C. P. Lee, J. Marra, Jae Um, C. Prakash

GT 2016; V05AT15A008https://doi.org/10.1115/GT2016-56483

Abstract

View Articletitled, Experimental and Numerical Investigation of Low-Pressure Preswirl Stator-Rotor Cooling System

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Topics: Cooling systems , Pressure , Rotors , Stators , Flow (Dynamics) , Computational fluid dynamics , Turbulence , Guide vanes , Cavities , Air flow

Direct Numerical Simulation of Rotating Cavity Flows Using a Spectral Element-Fourier Method

Diogo B. Pitz, John W. Chew, Olaf Marxen, Nicholas J. Hills

GT 2016; V05AT15A009https://doi.org/10.1115/GT2016-56486

Abstract

View Articletitled, Direct Numerical Simulation of Rotating Cavity Flows Using a Spectral Element-Fourier Method

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Topics: Cavity flows , Computer simulation , Approximation , Rotors , Cavities , Flow (Dynamics) , Numerical analysis , Stators , Algorithms , Buoyancy

Modeling of Compressor Drum Cavities With Radial Inflow

D. Amirante, Z. Sun, J. W. Chew, N. J. Hills, N. R. Atkins

GT 2016; V05AT15A010https://doi.org/10.1115/GT2016-56505

Abstract

View Articletitled, Modeling of Compressor Drum Cavities With Radial Inflow

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Topics: Cavities , Compressors , Inflow , Modeling , Computational fluid dynamics , Temperature , Computation , Disks , Buoyancy , Cavity flows

Theoretical Analysis of the Static Characteristics of the Carbon Segmented Seal

Mihai Arghir, Antoine Mariot

GT 2016; V05AT15A011https://doi.org/10.1115/GT2016-56643

Abstract

View Articletitled, Theoretical Analysis of the Static Characteristics of the Carbon Segmented Seal

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Topics: Carbon , Theoretical analysis , Rotors , Springs , Leakage , Pressure , Equilibrium (Physics) , Friction , Lift (Fluid dynamics) , Torque

CFD and Thermal Analysis of Leaf Seals for Aero-Engine Application

Vincenzo Fico, Michael J. Pekris, Christopher J. Barnes, Rakesh Kumar Jha, David Gillespie

GT 2016; V05AT15A012https://doi.org/10.1115/GT2016-56735

Abstract

View Articletitled, CFD and Thermal Analysis of Leaf Seals for Aero-Engine Application

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Topics: Aircraft engines , Computational fluid dynamics , Thermal analysis , Rotors , Temperature , Boundary-value problems , Design , Reynolds number , Sealing (Process) , Seals

Design and Numerical Analysis of a New Type of Pre-Swirl Nozzle

Yuxin Liu, Gaowen Liu, Xiaozhi Kong, Qing Feng

GT 2016; V05AT15A013https://doi.org/10.1115/GT2016-56738

Abstract

View Articletitled, Design and Numerical Analysis of a New Type of Pre-Swirl Nozzle

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Topics: Design , Nozzles , Numerical analysis , Cascades (Fluid dynamics) , Discharge coefficient , Cavities , Deflection , Flow (Dynamics) , Manufacturing , Pressure

Investigation on the Leakage Flow, Windage Heating and Swirl Development of Rotating Labyrinth Seal in a Compressor Stator Well

Xiaozhi Kong, Gaowen Liu, Yuxin Liu, Qing Feng

GT 2016; V05AT15A014https://doi.org/10.1115/GT2016-56740

Abstract

View Articletitled, Investigation on the Leakage Flow, Windage Heating and Swirl Development of Rotating Labyrinth Seal in a Compressor Stator Well

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Topics: Compressors , Heating , Leakage flows , Stators , Clearances (Engineering) , Flow (Dynamics) , Cavities , Rotating disks , Temperature , Computer simulation

Theoretical and Numerical Analysis on the Temperature Drop and Power Consumption of a Pre-Swirl System

Gaowen Liu, Heng Wu, Qing Feng, Songling Liu

GT 2016; V05AT15A015https://doi.org/10.1115/GT2016-56742

Abstract

View Articletitled, Theoretical and Numerical Analysis on the Temperature Drop and Power Consumption of a Pre-Swirl System

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Topics: Energy consumption , Numerical analysis , Temperature , Flow (Dynamics) , Pressure , Rotors , Cooling , Blades , Engineering simulation , Nozzles

Experimental and Numerical Investigation on Leakage Characteristic of Stepped Labyrinth Seal

Li Zhang, Hui-ren Zhu, Cun-liang Liu, Fei Tong

GT 2016; V05AT15A016https://doi.org/10.1115/GT2016-56743

Abstract

View Articletitled, Experimental and Numerical Investigation on Leakage Characteristic of Stepped Labyrinth Seal

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Topics: Leakage , Clearances (Engineering) , Pressure , Aircraft engines , Flow (Dynamics) , Gas turbines , Sealing (Process)

Brush Seal Frictional Heat Generation: Test Rig Design and Validation Under Steam Environment

M. Raben, J. Friedrichs, J. Flegler

GT 2016; V05AT15A017https://doi.org/10.1115/GT2016-56951

Abstract

View Articletitled, Brush Seal Frictional Heat Generation: Test Rig Design and Validation Under Steam Environment

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Topics: Design , Heat , Steam , Rotors , Sealing (Process) , Steam turbines , Testing , Turbines , Turbomachinery , Accuracy and precision

Hot Gas Ingress Estimation Methods Validation in GT Stator-Rotor Cavities by Means of Extensive Field Measurements

A. D’Alessandro, F. Bavassano, M. Marré Brunenghi, S. Patrone, M. Pirotta, M. Mantero, B. Santolini

GT 2016; V05AT15A018https://doi.org/10.1115/GT2016-56973

Abstract

View Articletitled, Hot Gas Ingress Estimation Methods Validation in GT Stator-Rotor Cavities by Means of Extensive Field Measurements

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Topics: Cavities , Rotors , Stators , Flow (Dynamics) , Heat , Temperature , Turbines , Gas turbines , Machinery , Probes

Low-Leakage Shaft End Seals for Utility-Scale Supercritical CO₂ Turboexpanders

Rahul A. Bidkar, Edip Sevincer, Jifeng Wang, Azam M. Thatte, Andrew Mann, Maxwell Peter, Grant Musgrove, Timothy Allison, Jeffrey Moore

GT 2016; V05AT15A019https://doi.org/10.1115/GT2016-56979

Abstract

View Articletitled, Low-Leakage Shaft End Seals for Utility-Scale Supercritical CO<sub>2</sub> Turboexpanders

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Topics: Leakage , Supercritical carbon dioxide , Computational fluid dynamics , Turbines , Cycles , Thermodynamic power cycles , Coal , Finite element analysis , Fluids , Carbon dioxide

Measurements and Modelling of Ingress in a New 1.5-Stage Turbine Research Facility

Marios Patinios, James A. Scobie, Carl M. Sangan, J. Michael Owen, Gary D. Lock

GT 2016; V05AT15A020https://doi.org/10.1115/GT2016-57163

Abstract

View Articletitled, Measurements and Modelling of Ingress in a New 1.5-Stage Turbine Research Facility

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Topics: Annulus , Boundary layers , Carbon dioxide , Clearances (Engineering) , Data collection , Disks , Engines , Flow (Dynamics) , Fluids , Gas turbines

Effect of Air-Curtains on Labyrinth Seal Performance

Aakash C. Rai, Deoras Prabhudharwadkar, Sunil Murthy, Andrew Giametta, David Johns

GT 2016; V05AT15A021https://doi.org/10.1115/GT2016-57188

Abstract

View Articletitled, Effect of Air-Curtains on Labyrinth Seal Performance

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Topics: Air flow , Blades , Clearances (Engineering) , Combustion chambers , Compressors , Computational fluid dynamics , Cross-flow , Design , Engineering simulation , Gas turbines

Experimental Analyses of a Static to Static Flex Seal and a Honeycomb Seal

Thomas Zierer, Cyrille Bricaud, Marcos Escudero-Olano, Joshua McNally, Afzal Pasha Mohammed

GT 2016; V05AT15A022https://doi.org/10.1115/GT2016-57397

Abstract

View Articletitled, Experimental Analyses of a Static to Static Flex Seal and a Honeycomb Seal

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Topics: Experimental analysis , Honeycomb structures , Leakage , Pressure , Engines , Membranes , Sealing (Process) , Air flow , Clearances (Engineering) , Compressors

Numerical Characterization of Hot Gas Ingestion Through Turbine Rim Seals

Riccardo Da Soghe, Cosimo Bianchini, Carl M. Sangan, James A. Scobie, Gary D. Lock

GT 2016; V05AT15A023https://doi.org/10.1115/GT2016-57421

Abstract

View Articletitled, Numerical Characterization of Hot Gas Ingestion Through Turbine Rim Seals

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Topics: Turbines , Clearances (Engineering) , Flow (Dynamics) , Sealing (Process) , Computational fluid dynamics , Rotors , Coolants , Stators , Axial flow , Computation

CFD Simulations of a Meshing Gear Pair

E. Burberi, T. Fondelli, A. Andreini, B. Facchini, L. Cipolla

GT 2016; V05AT15A024https://doi.org/10.1115/GT2016-57454

Abstract

View Articletitled, CFD Simulations of a Meshing Gear Pair

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Topics: Computational fluid dynamics , Engineering simulation , Gears , Simulation , Stress , Fluids , Torque , Energy dissipation , Flow (Dynamics) , Modeling

Influence of Honeycomb Land Geometry on Seal Performance

Daniel Frączek, Krzysztof Bochon, Włodzimierz Wróblewski

GT 2016; V05AT15A025https://doi.org/10.1115/GT2016-57569

Abstract

View Articletitled, Influence of Honeycomb Land Geometry on Seal Performance

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Topics: Geometry , Honeycomb structures , Cavities , Clearances (Engineering) , Computer software , Fins , Flow (Dynamics) , Leakage flows , Porous materials , Pressure

Analytical Modeling and Experimental Validation of Heating at the Leaf Seal/Rotor Interface

Michael J. Pekris, Gervas Franceschini, Andrew K. Owen, Terry V. Jones, David R. H. Gillespie

GT 2016; V05AT15A026https://doi.org/10.1115/GT2016-57577

Abstract

View Articletitled, Analytical Modeling and Experimental Validation of Heating at the Leaf Seal/Rotor Interface

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Topics: Heating , Modeling , Rotors , Flow (Dynamics) , Engines , Temperature , Cavities , Leakage , Sealing (Process) , Stiffness

Experimental Characterization of Rotor Convective Heat Transfer Coefficients in the Vicinity of a Leaf Seal

Juan D. Pelegrin-Garcia, David R. H. Gillespie, Michael J. Pekris, Leonid Ganin, Gervas Franceschini

GT 2016; V05AT15A027https://doi.org/10.1115/GT2016-57603

Abstract

View Articletitled, Experimental Characterization of Rotor Convective Heat Transfer Coefficients in the Vicinity of a Leaf Seal

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Topics: Convection , Experimental characterization , Rotors , Engines , Flow (Dynamics) , Pressure , Temperature , Computational fluid dynamics , Design , Friction

Experimental Investigation on Swirl and Heat Transfer Within a Rotor-Stator Cavity

Daniele Massini, Bruno Facchini, Mirko Micio, Riccardo Da Soghe

GT 2016; V05AT15A028https://doi.org/10.1115/GT2016-57608

Abstract

View Articletitled, Experimental Investigation on Swirl and Heat Transfer Within a Rotor-Stator Cavity

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Topics: Cavities , Heat transfer , Rotors , Stators , Flow (Dynamics) , Computer simulation , Disks , Flow measurement , Heat transfer coefficients , Internal flow

Analysis of Heavy Duty Gas Turbine Stator-Rotor Cavity Through 3D CFD-1D Fluid Network — Field Measurements Combined Approach

Francesco Bavassano, Marco Mantero, Thibault Gasnier, Emanuele Ronconi

GT 2016; V05AT15A029https://doi.org/10.1115/GT2016-57629

Abstract

View Articletitled, Analysis of Heavy Duty Gas Turbine Stator-Rotor Cavity Through 3D CFD-1D Fluid Network — Field Measurements Combined Approach

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Topics: Cavities , Computational fluid dynamics , Fluids , Gas turbines , Rotors , Stators , Design , Turbines , Pressure , Stress

Aero-Thermo-Mechanical Modelling and Validation of Transient Effects in a High Pressure Turbine Internal Air System

Vlad Ganine, Dario Amirante, Nicholas J. Hills

GT 2016; V05AT15A030https://doi.org/10.1115/GT2016-57739

Abstract

View Articletitled, Aero-Thermo-Mechanical Modelling and Validation of Transient Effects in a High Pressure Turbine Internal Air System

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Topics: High pressure (Physics) , Modeling , Transients (Dynamics) , Turbines , Fluids , Engines , Dynamics (Mechanics) , Flight , Geometry , Aircraft engines

Characterization of Brush Seal Permeability

Thomas G. Gresham, Brian K. Weaver, Houston G. Wood, Alexandrina Untaroiu

GT 2016; V05AT15A031https://doi.org/10.1115/GT2016-57910

Abstract

View Articletitled, Characterization of Brush Seal Permeability

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Topics: Permeability , Pressure , Flow (Dynamics) , Computational fluid dynamics , Leakage , Porous materials , Clearances (Engineering) , Deformation , Fluid mechanics , Flutter (Aerodynamics)

Leakage Degradation of Straight Labyrinth Seal due to Wear of Round Tooth Tip and Acute Trapezoidal Rub-Groove

Yahya Dogu, Mustafa C. Sertçakan, Koray Gezer, Mustafa Kocagül, Ercan Arıcan, Murat S. Ozmusul

GT 2016; V05AT15A032https://doi.org/10.1115/GT2016-57928

Abstract

View Articletitled, Leakage Degradation of Straight Labyrinth Seal due to Wear of Round Tooth Tip and Acute Trapezoidal Rub-Groove

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Topics: Leakage , Wear , Shapes , Stators , Clearances (Engineering) , Flow (Dynamics) , Rotors , Pressure , Computational fluid dynamics , Dimensions

Labyrinth Seal Leakage Degradation due to Various Types of Wear

Yahya Dogu, Mustafa C. Sertçakan, Koray Gezer, Mustafa Kocagül, Ercan Arıcan, Murat S. Ozmusul

GT 2016; V05AT15A033https://doi.org/10.1115/GT2016-57944

Abstract

View Articletitled, Labyrinth Seal Leakage Degradation due to Various Types of Wear

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Topics: Leakage , Wear , Clearances (Engineering) , Shapes , Stators , Computational fluid dynamics , Durability , Engine design , Engines , Gas turbines