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ASME Turbo Expo 2013: Turbine Technical Conference and Exposition

June 3–7, 2013

San Antonio, Texas, USA

Conference Sponsors:

ISBN:

978-0-7918-5514-0

In This Volume

Internal Cooling (53)
Internal Air Systems and Seals (With Turbomachinery) (22)

Volume 3A: Heat Transfer

Internal Cooling

Flow Field Investigations on the Effect of Rib Placement in a Cooling Channel With Film-Cooling

Martin Kunze, Konrad Vogeler

GT 2013; V03AT12A001doi:https://doi.org/10.1115/GT2013-94096

Abstract

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Topics: Cooling , Film cooling , Flow (Dynamics) , Coolants , Reynolds number , Turbulence , Computer simulation , Flat plates , Laser Doppler anemometry , Lasers

Study of an Impingement Cooling Jet Array for Turbine Blade Cooling With Single and Double Exit Cases

Michael Keenan, Ryo S. Amano, Shichuan Ou

GT 2013; V03AT12A002doi:https://doi.org/10.1115/GT2013-94116

Abstract

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Topics: Boundary-value problems , Computational fluid dynamics , Convection , Cooling , Flow (Dynamics) , Heat flux , Heat transfer , Impingement cooling , Reynolds number , Turbine blades

Experimental Investigation of Effect of Tip Coolant Ejection on Internal Flow Characteristics Within a Realistic Blade Coolant Channel

Jian Pu, Zhaoqing Ke, Jianhua Wang, Lei Wang, Hongde You

GT 2013; V03AT12A003doi:https://doi.org/10.1115/GT2013-94136

Abstract

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Topics: Blades , Coolants , Internal flow , Flow (Dynamics) , Reynolds number , Pressure , Pressure drop , Turbine blades , Bubbles , Cross section (Physics)

Heat Transfer Measurements in Rotating Blade-Shape Serpentine Coolant Passage With Ribbed Walls at High Reynolds Numbers

Akhilesh Rallabandi, Jiang Lei, Je-Chin Han, Salam Azad, Ching-Pang Lee

GT 2013; V03AT12A004doi:https://doi.org/10.1115/GT2013-94162

Abstract

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Topics: Blades , Coolants , Heat transfer , Reynolds number , Shapes , Rotation , Heat transfer coefficients , Cooling , Flow (Dynamics) , Fluids

The Optimal Distribution of Pin Fins for Blade Tip Cap Underside Cooling

Gustavo A. Ledezma, Ronald S. Bunker

GT 2013; V03AT12A005doi:https://doi.org/10.1115/GT2013-94172

Abstract

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Topics: Blades , Cooling , Fins , Boundary-value problems , Computer simulation , Flow (Dynamics) , Fluid dynamics , Heat , Heat transfer , High pressure (Physics)

Heat Transfer Performance of a New Fan-Shaped Pin-Fin in Internal Cooling Channel

Mi-Ae Moon, Kwang-Yong Kim

GT 2013; V03AT12A006doi:https://doi.org/10.1115/GT2013-94193

Abstract

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Topics: Cooling , Heat transfer , Convection , Friction , Reynolds number , Reynolds-averaged Navier–Stokes equations , Shapes , Shear stress , Turbulence

Numerical Investigation on the Flow and Heat Transfer Characteristics of the Superheated Steam in the Wedge Duct With Pin-Fins

Gaoliang Liao, Xinjun Wang, Xiaowei Bai, Ding Zhu, Jinling Yao

GT 2013; V03AT12A007doi:https://doi.org/10.1115/GT2013-94205

Abstract

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Topics: Cooling , Ducts , Fins , Flow (Dynamics) , Heat transfer , Steam , Superheating , Wedges

Heat Transfer in Rotating Multi-Pass Rectangular Smooth Channel With and Without a Turning Vane in Hub Region

Jiang Lei, Shiou-Jiuan Li, Je-Chin Han, Luzeng Zhang, Hee-Koo Moon

GT 2013; V03AT12A008doi:https://doi.org/10.1115/GT2013-94269

Abstract

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

Heat Transfer in Rotating Serpentine Coolant Passage With Ribbed Walls at Low Mach Numbers

Shang-Feng Yang, Je-Chin Han, Salam Azad, Ching-Pang Lee

GT 2013; V03AT12A009doi:https://doi.org/10.1115/GT2013-94288

Abstract

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Topics: Coolants , Heat transfer , Mach number , Rotation , Reynolds number , Flow (Dynamics) , Heat transfer coefficients , Blades , Copper , Fluids

Numerical Simulation of Flow and Heat Transfer in Rotating Cooling Passage With Turning Vane in Hub Region

Hung-Chieh Chu, Hamn-Ching Chen, Je-Chin Han

GT 2013; V03AT12A010doi:https://doi.org/10.1115/GT2013-94289

Abstract

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Topics: Computer simulation , Cooling , Flow (Dynamics) , Heat transfer , Turning vanes , Reynolds number , Rotation , Turbulence , Vortices

Overall Thermal Performance of a Rectangular Channel With an Array of Elongated Pedestals

S. Huang, Y. Y. Yan, J. D. Maltson, E. Utriainen

GT 2013; V03AT12A011doi:https://doi.org/10.1115/GT2013-94360

Abstract

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Topics: Capacitance , Flow (Dynamics) , Geometry , Heat transfer , Heat transfer coefficients , Jets , Liquid crystals , Pressure , Pressure drop , Reynolds number

Three Components- and Tomographic-PIV Measurements of a Cyclone Cooling Flow in a Swirl Tube

Christoph Biegger, Bernhard Weigand, Alice Cabitza

GT 2013; V03AT12A012doi:https://doi.org/10.1115/GT2013-94424

Abstract

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Topics: Cooling , Flow (Dynamics) , Vortices , Particulate matter , Axial flow , Ducts , Heat transfer , Reynolds number , Statistical analysis , Turbine blades

Effect of Blockage-Ratio on Developing Heat Transfer for a Rectangular Duct With Transverse Ribs

Zahra Ghorbani-Tari, Lei Wang, Bengt Sunden

GT 2013; V03AT12A013doi:https://doi.org/10.1115/GT2013-94441

Abstract

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Topics: Ducts , Heat transfer , Turbines , Aircraft engines , Flow (Dynamics) , Geometry , Heat flux , Heat transfer coefficients , High pressure (Physics) , Liquid crystals

Effect of Jet Shape of Square Array of Multi-Impinging Jets on Heat Transfer

Yoshisaburo Yamane, Makoto Yamamoto, Masahiro Motosuke, Shinji Honami

GT 2013; V03AT12A014doi:https://doi.org/10.1115/GT2013-94452

Abstract

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Topics: Heat transfer , Jets , Shapes , Flow (Dynamics) , Cooling , Aircraft , Flow sensors , Gas turbines , Liquid crystals , Reynolds number

Heat Transfer Characteristics of Jet Array Impingement at Low Streamwise Spacing

Roberto Claretti, Jahed Hossain, S. B. Verma, J. S. Kapat, James P. Downs, Gloria E. Goebel

GT 2013; V03AT12A015doi:https://doi.org/10.1115/GT2013-94469

Abstract

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Topics: Heat transfer , Computational fluid dynamics , Flow (Dynamics) , Heat transfer coefficients , Impingement cooling , Physics , Reynolds number , Temperature , Turbulence

Numerical Investigation of Impingement Heat Transfer on a Flat and Square Pin-Fin Roughened Plates

Chaoyi Wan, Yu Rao, Xiang Zhang

GT 2013; V03AT12A016doi:https://doi.org/10.1115/GT2013-94473

Abstract

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Topics: Heat transfer , Plates (structures) , Pressure , Flat plates , Reynolds number , Computation , Impingement cooling , Jets

Spatially Resolved Heat Transfer Coefficient in a Rib-Roughened Channel Under Coriolis Effects

Ignacio Mayo, Tony Arts, Julien Clinckemaillie, Aude Lahalle

GT 2013; V03AT12A017doi:https://doi.org/10.1115/GT2013-94506

Abstract

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Topics: Coriolis force , Heat transfer coefficients , Heat transfer , Rotation , Flow (Dynamics) , Heat flux , Shear (Mechanics) , Boundary-value problems , Buoyancy , Chain

Effect of Rib Configuration and Lateral Ejection on a High Aspect Ratio Trailing Edge Channel

Rui Kan, Li Yang, Jing Ren, Hongde Jiang

GT 2013; V03AT12A018doi:https://doi.org/10.1115/GT2013-94549

Abstract

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Topics: Blades , Cavities , Computational fluid dynamics , Cooling , Ducts , Flow (Dynamics) , Gas turbines , Heat transfer , Heat transfer coefficients , Liquid crystals

Computational Investigation of Flow and Heat Transfer Characteristics of Impingement Cooling Channel

B. V. N. Ramakumar, D. S. Joshi, Murari Sridhar, Jong S. Liu, Daniel C. Crites

GT 2013; V03AT12A019doi:https://doi.org/10.1115/GT2013-94553

Abstract

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Topics: Flow (Dynamics) , Heat transfer , Impingement cooling , Computational fluid dynamics , Cooling , Design , Engineering simulation , Heat transfer coefficients , Jets , Reynolds number

Leading Edge Impingement With Racetrack Shaped Jets and Varying Inlet Supply Conditions

C. Neil Jordan, Cassius A. Elston, Lesley M. Wright, Daniel C. Crites

GT 2013; V03AT12A020doi:https://doi.org/10.1115/GT2013-94611

Abstract

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Topics: Jets , Cooling , Flow (Dynamics) , Reynolds number , Airfoils , Computational fluid dynamics , Ducts , Turbine blades , Computer software , Exhaust systems

Effects of Jet-to-Target Plate Distance and Reynolds Number on Jet Array Impingement Heat Transfer

Junsik Lee, Zhong Ren, Jacob Haegele, Geoff Potts, Jae Sik Jin, Phil Ligrani, Michael D. Fox, Hee-Koo Moon

GT 2013; V03AT12A021doi:https://doi.org/10.1115/GT2013-94651

Abstract

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Topics: Heat transfer , Reynolds number , Jets , Cross-flow , Flat plates , Mach number , Vortices

Numerical Analysis of Heat Transfer in a Leading Edge Geometry With Racetrack Holes and Film Cooling Extraction

Luca Andrei, Antonio Andreini, Riccardo Da Soghe, Bruno Facchini, Stefano Zecchi

GT 2013; V03AT12A022doi:https://doi.org/10.1115/GT2013-94673

Abstract

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Topics: Film cooling , Geometry , Heat transfer , Numerical analysis , Cavities , Fins , Airfoils , Blades , Computational fluid dynamics , Coolants

Investigations on Nusselt Number Enhancement in Ribbed Rectangular Turbine Blade Cooling Channels of Different Aspect Ratios and Rotation Numbers

Behnam Nouri, Knut Lehmann, Arnold Kühhorn

GT 2013; V03AT12A023doi:https://doi.org/10.1115/GT2013-94710

Abstract

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Topics: Cooling , Rotation , Turbine blades , Heat transfer , Ducts , Casting , Computational fluid dynamics , Cooling systems , Cycles , Design

Optimization of Micro-Textured Surfaces for Turbine Vane Impingement Cooling

Justin Jacobs, Joe Tripp, David Underwood, Corinne Lengsfeld

GT 2013; V03AT12A024doi:https://doi.org/10.1115/GT2013-94727

Abstract

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Topics: Impingement cooling , Optimization , Turbines , Cooling , Temperature , Design , Fins , Flow (Dynamics) , Computational fluid dynamics , Gas turbines

Effect of Channel Orientation in a Rotating Smooth Wedge-Shaped Cooling Channel With Lateral Ejection

Lu Qiu, Hongwu Deng, Zhi Tao

GT 2013; V03AT12A025doi:https://doi.org/10.1115/GT2013-94758

Abstract

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Topics: Cooling , Wedges , Rotation , Heat transfer , Copper , Flow (Dynamics) , Reynolds number , Temperature , Temperature distribution

Experimental Investigation on the Heat Transfer of a Leading Edge Cooling System: Effects of Jet-to-Jet Spacing and Showerhead Extraction

Bruno Facchini, Francesco Maiuolo, Lorenzo Tarchi, Nils Ohlendorf

GT 2013; V03AT12A026doi:https://doi.org/10.1115/GT2013-94759

Abstract

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Topics: Cooling systems , Heat transfer , Cavities , Cooling , Engines , Film cooling , Flow (Dynamics) , Geometry , Heat transfer coefficients , Liquid crystals

Heat Transfer Enhancement for Gas Turbine Internal Cooling by Application of Double Swirl Cooling Chambers

Karsten Kusterer, Gang Lin, Dieter Bohn, Takao Sugimoto, Ryozo Tanaka, Masahide Kazari

GT 2013; V03AT12A027doi:https://doi.org/10.1115/GT2013-94774

Abstract

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Topics: Cooling , Gas turbines , Heat transfer , Flow (Dynamics) , Blades , Boundary-value problems , Fluids , Heat transfer coefficients , Pipes , Reynolds number

A Particle Image Velocimetry-Based Investigation of the Flow Field in an Oblique Jet Impingement Configuration

Sebastian Schulz, Simon Schueren, Jens von Wolfersdorf

GT 2013; V03AT12A028doi:https://doi.org/10.1115/GT2013-94780

Abstract

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Topics: Flow (Dynamics) , Particulate matter , Geometry , Computer simulation , Cooling , Turbulence , Dynamics (Mechanics) , Emission spectroscopy , Engineering simulation , Fluids

Numerical Study on the Effect of Jet Slot Height on Flow and Heat Transfer of Swirl Cooling in Leading Edge Model for Gas Turbine Blade

Zhao Liu, Jun Li, Zhenping Feng

GT 2013; V03AT12A029doi:https://doi.org/10.1115/GT2013-94819

Abstract

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Topics: Blades , Cooling , Flow (Dynamics) , Gas turbines , Heat transfer , Nozzles , Reynolds number , Computer simulation , Pipes , Pressure

Heat Transfer and Flow Characteristics in 90 deg Ribbed Duct Using Different Coolants

Fifi N. M. Elwekeel, Qun Zheng, Antar M. M. Abdala

GT 2013; V03AT12A030doi:https://doi.org/10.1115/GT2013-94908

Abstract

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Topics: Coolants , Ducts , Flow (Dynamics) , Heat transfer

Heat Transfer for High Aspect Ratio Rectangular Channels in a Stationary Serpentine Passage With Turbulated and Smooth Surfaces

Matthew A. Smith, Randall M. Mathison, Michael G. Dunn

GT 2013; V03AT12A031doi:https://doi.org/10.1115/GT2013-94924

Abstract

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Topics: Heat transfer , Reynolds number , Flow (Dynamics) , Cooling , Engines

Heat Transfer Characteristics of a Blade Trailing Edge With Pressure Side Bleed Extraction

H. Saxer-Felici, S. Naik, M. Gritsch

GT 2013; V03AT12A032doi:https://doi.org/10.1115/GT2013-95003

Abstract

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Topics: Blades , Heat transfer , Pressure , Flow (Dynamics) , Pressure drop , Gas turbines , Heat transfer coefficients , Coolants , Cooling systems , Geometry

Large Eddy Simulation of Rotating Ribbed Channel

Rémy Fransen, Laurence Vial, Laurent Y. M. Gicquel

GT 2013; V03AT12A033doi:https://doi.org/10.1115/GT2013-95076

Abstract

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Topics: Large eddy simulation , Computation , Computational fluid dynamics , Cooling systems , Flow (Dynamics) , Gas turbines , Particulate matter , Rotating blades , Rotation , Turbulence

Comparison of Pin Surface Heat Transfer in Arrays of Oblong and Cylindrical Pin Fins

Kathryn L. Kirsch, Jason K. Ostanek, Karen A. Thole

GT 2013; V03AT12A034doi:https://doi.org/10.1115/GT2013-95146

Abstract

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Topics: Fins , Heat transfer , Boundary layers , Pins (Engineering) , Separation (Technology) , Airfoils , Boundary layer turbulence , Cooling , Gas turbines , Shapes

Heat Transfer Measurements Using the Hybrid Heat Transfer Technique With Thermally Adiabatic and Participating Ribs

Lucky V. Tran, Jayanta S. Kapat, Anne L. Pham, Zachary D. Little, Patrick K. Tran

GT 2013; V03AT12A035doi:https://doi.org/10.1115/GT2013-95216

Abstract

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Topics: Heat transfer , Cooling , Heat transfer coefficients , Liquid crystals , Transients (Dynamics) , Aluminum , Contamination , Friction , Reynolds number , Temperature

Flow and Heat Transfer Characteristics in Latticework Cooling Channels With Dimple Vortex Generators

Yu Rao, Xiang Zhang, Shusheng Zang

GT 2013; V03AT12A036doi:https://doi.org/10.1115/GT2013-95237

Abstract

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Topics: Cooling , Flow (Dynamics) , Generators , Heat transfer , Vortices , Pressure , Computation , Friction , Geometry , Reynolds number

Effect of Film Cooling Arrangement on Impingement Heat Transfer on Turbine Blade Leading Edge

Li Yang, Rui Kan, Jing Ren, Hongde Jiang

GT 2013; V03AT12A037doi:https://doi.org/10.1115/GT2013-95261

Abstract

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Topics: Film cooling , Heat transfer , Turbine blades , Cooling , Blades , Cylinders , Errors , Flow (Dynamics) , Gas turbines , Heat transfer coefficients

Effects of Jet Diameter and Surface Roughness on Internal Cooling With Single Array of Jets

Nicholas Miller, Sin Chien Siw, Minking K. Chyu, Mary Anne Alvin

GT 2013; V03AT12A038doi:https://doi.org/10.1115/GT2013-95400

Abstract

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Topics: Cooling , Jets , Surface roughness , Heat transfer , Cross-flow , Flow (Dynamics) , Heat transfer coefficients , Liquid crystals , Plates (structures) , Pressure

Heat Transfer and Pressure Loss Characteristics of Zig-Zag Channel With Rib-Turbulators

Sin Chien Siw, Minking K. Chyu, Mary Anne Alvin

GT 2013; V03AT12A039doi:https://doi.org/10.1115/GT2013-95407

Abstract

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Topics: Heat transfer , Pressure , Flow (Dynamics) , Reynolds number , Vortices , Coolants , Corners (Structural elements) , Design , Heat , Heat transfer coefficients

Numerical Investigation on Flow and Heat Transfer in a Lattice (Matrix) Cooling Channel

Tomoko Hagari, Katsuhiko Ishida

GT 2013; V03AT12A040doi:https://doi.org/10.1115/GT2013-95412

Abstract

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Topics: Cooling , Flow (Dynamics) , Heat transfer , Heat transfer coefficients , Unsteady flow , Vortices , Design , Engineering simulation , Heat flux , Simulation

Multi-Objective Optimization of a U-Bend for Minimal Pressure Loss and Maximal Heat Transfer Performance in Internal Cooling Channels

Tom Verstraete, Jing Li

GT 2013; V03AT12A041doi:https://doi.org/10.1115/GT2013-95423

Abstract

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Topics: Cooling , Heat transfer , Pareto optimization , Pressure , Optimization , Design , Flow (Dynamics) , Evolutionary algorithms , Fluid dynamics , Fluids

Effect of Rotation on Heat Transfer of a Concave Surface With Array Impingement Jet

Eui Yeop Jung, Chan Ung Park, Dong Hyun Lee, Jun Su Park, Sehjin Park, Hyung Hee Cho

GT 2013; V03AT12A042doi:https://doi.org/10.1115/GT2013-95443

Abstract

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Topics: Heat transfer , Rotation , Flow (Dynamics) , Ducts , Jets , Blades , Combustion gases , Computer simulation , Cooling , Coriolis force

Trailing Edge Cooling of a Gas Turbine Blade With Perforated Blockages With Inclined Holes

Heeyoon Chung, Jun Su Park, Ho-Seong Sohn, Dong-Ho Rhee, Hyung Hee Cho

GT 2013; V03AT12A043doi:https://doi.org/10.1115/GT2013-95445

Abstract

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Topics: Blades , Cooling , Gas turbines

Validation of Flow Field and Heat Transfer in a Two-Pass Internal Cooling Channel Using Different Turbulence Models

Federica Farisco, Stefan Rochhausen, Metin Korkmaz, Michael Schroll

GT 2013; V03AT12A044doi:https://doi.org/10.1115/GT2013-95461

Abstract

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Topics: Cooling , Flow (Dynamics) , Heat transfer , Turbulence , Engineering simulation , Reynolds-averaged Navier–Stokes equations , Simulation , Cooling systems , Rotation , Shapes

Combined Experimental/Numerical Method Using Infrared Thermography and Finite Element Analysis for Estimation of Local Heat Transfer Distribution in an Internal Cooling System

Christian Egger, Jens von Wolfersdorf, Martin Schnieder

GT 2013; V03AT12A045doi:https://doi.org/10.1115/GT2013-95472

Abstract

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Topics: Cooling systems , Finite element analysis , Heat transfer , Numerical analysis , Thermography , Temperature , Cooling , Optimization , Simulation , Fluids

Internal Cooling Channels Design Investigations: Aerothermal Optimisation of Ribbed U-Bends

Philippe T. Lott, Ingrid Lepot, Emmanuel Chérière, François Thirifay, Klaus Semmler, Laura Bénet

GT 2013; V03AT12A046doi:https://doi.org/10.1115/GT2013-95545

Abstract

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Topics: Cooling , Design , Optimization , Cooling systems , Flow (Dynamics) , Turbines , Engines , Temperature , Blades , Chain

Aeroengine High Pressure Turbine Blade Cooling System Concept

S. Riznyk, A. Artushenko

GT 2013; V03AT12A047doi:https://doi.org/10.1115/GT2013-95789

Abstract

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Topics: Cooling systems , High pressure (Physics) , Turbine blades , Blades , Design , Film cooling , Temperature , Boundary-value problems , Cooling , Engines

Heat Transfer Enhancement Using Angled Grooves as Turbulence Promoters

Krishnendu Saha, Sumanta Acharya

GT 2013; V03AT12A048doi:https://doi.org/10.1115/GT2013-95818

Abstract

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Topics: Heat transfer , Turbulence , Airfoils , Cooling , Flow (Dynamics) , Friction , Gas turbines , Heat transfer coefficients , Liquid crystals , Pressure drop

Experimental/Numerical Investigation on the Effects of Trailing-Edge Cooling Hole Blockage on Heat Transfer in a Trailing-Edge Cooling Channel

M. E. Taslim, X. Huang

GT 2013; V03AT12A049doi:https://doi.org/10.1115/GT2013-95859

Abstract

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Topics: Cooling , Heat transfer , Airfoils , Flow (Dynamics) , Heat transfer coefficients , Turbulence , Cavities , Jets , Boundary-value problems , Computational fluid dynamics

Effects of Non-Uniform Streamwise Spacing in Low Aspect Ratio Pin Fin Arrays

Jason K. Ostanek, Karen A. Thole

GT 2013; V03AT12A050doi:https://doi.org/10.1115/GT2013-95889

Abstract

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Topics: Airfoils , Gas turbines , Heat transfer , Pressure drop , Reynolds number

Heat Transfer and Pressure Loss Measurements in a Turbulated High Aspect Ratio Channel With Large Reynolds Number Flows

Shantanu Mhetras, Je-Chin Han, Michael Huth

GT 2013; V03AT12A051doi:https://doi.org/10.1115/GT2013-95891

Abstract

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Topics: Flow (Dynamics) , Heat transfer , Pressure , Reynolds number , Compressible flow , Heat transfer coefficients , Steady state , Liquid crystals , Thermocouples

Impingement Heat Transfer From Jet Arrays on Turbulated Target Walls at Large Reynolds Numbers

Shantanu Mhetras, Je-Chin Han, Michael Huth

GT 2013; V03AT12A052doi:https://doi.org/10.1115/GT2013-95893

Abstract

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Topics: Heat transfer , Reynolds number , Pressure , Pins (Engineering) , Compressible flow , Cross-flow , Heat transfer coefficients , Steady state

Improving Pin-Fin Heat Transfer Predictions Using Artificial Neural Networks

Jason K. Ostanek

GT 2013; V03AT12A053doi:https://doi.org/10.1115/GT2013-95903

Abstract

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Topics: Artificial neural networks , Heat transfer , Reynolds number , Ducts , Neural network models , Rotation , Shapes , Uncertainty

Internal Air Systems and Seals (With Turbomachinery)

Computational Analysis of Abradable Seal: Part 1

Rajeev Kumar Pandit, Luca Innocenti

GT 2013; V03AT15A001doi:https://doi.org/10.1115/GT2013-94085

Abstract

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Topics: Boundary-value problems , Clearances (Engineering) , Compressors , Computation , Computational fluid dynamics , Dimensions , Flow (Dynamics) , Fluid dynamics , Geometry , Leakage

Experimental Measurements of Ingestion Through Turbine Rim Seals: Part 4 — Off-Design Conditions

James A. Scobie, Carl M. Sangan, Roy Teuber, Oliver J. Pountney, J. Michael Owen, Michael Wilson, Gary D. Lock

GT 2013; V03AT15A002doi:https://doi.org/10.1115/GT2013-94147

Abstract

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Topics: Design , Turbines , Flow (Dynamics) , Blades , Engines , Sealing (Process) , Turbine blades , Clearances (Engineering) , Nozzle guide vanes , Separation (Technology)

Experimental Measurements of Ingestion Through Turbine Rim Seals: Part 5 — Fluid Dynamics of Wheel-Space

Carl M. Sangan, Yogesh Lalwani, J. Michael Owen, Gary D. Lock

GT 2013; V03AT15A003doi:https://doi.org/10.1115/GT2013-94148

Abstract

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Topics: Fluid dynamics , Turbines , Wheels , Flow (Dynamics) , Sealing (Process) , Geometry , Pressure , Stators , Annulus , Blades

Stiffness and Leakage Characterization of Ceramic-Metallic Rope Seals

Neelesh Sarawate

GT 2013; V03AT15A004doi:https://doi.org/10.1115/GT2013-94190

Abstract

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Topics: Ceramics , Leakage , Ropes , Stiffness , Cycles , Displacement , Stress , Testing , Ceramic fibers , Compression

Application of an Air-Curtain Fluidic Jet Type Seal to Reduce Turbine Shroud Leakage

Alison Auld, Michael Hilfer, Simon Hogg, Grant Ingram, Andrew Messenger

GT 2013; V03AT15A005doi:https://doi.org/10.1115/GT2013-94198

Abstract

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Topics: Leakage , Turbines , Design , Sealing (Process) , Turbomachinery , Accounting , Computational fluid dynamics , Doors , Leakage flows , Optimization

Maximizing Contacting Filament Seal Performance Retention

Ingo H. J. Jahn

GT 2013; V03AT15A006doi:https://doi.org/10.1115/GT2013-94261

Abstract

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Topics: Cycles , Service life (Equipment) , Uncertainty

Film Flow Characteristics of Droplet Cooling in a Simplified Bearing Chamber

E. D. Kay, H. Power, S. Hibberd

GT 2013; V03AT15A007doi:https://doi.org/10.1115/GT2013-94362

Abstract

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Topics: Bearings , Cooling , Drops , Film flow , Flow (Dynamics) , Aircraft engines , Heat , Temperature , Air flow , Design

Unsteady Numerical Analysis of a Whole Ring of Finger Seal With Grooves on Finger Pads

Hai Zhang, Qun Zheng, Guoqiang Yue, Qingfeng Deng

GT 2013; V03AT15A008doi:https://doi.org/10.1115/GT2013-94514

Abstract

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Topics: Clearances (Engineering) , Computation , Deformation , Fluids , Leakage , Leakage flows , Numerical analysis , Rotor vibration , Rotors , Sealing (Process)

Statistical Methods for a Stochastic Analysis of the Secondary Air System of a Jet Engine Low Pressure Turbine

Giulia Antinori, Yannick Muller, Fabian Duddeck, Andreas Fischersworring-Bunk

GT 2013; V03AT15A009doi:https://doi.org/10.1115/GT2013-94881

Abstract

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Topics: Jet engines , Pressure , Turbines , Sampling methods , Sensitivity analysis , Uncertainty analysis , Flow (Dynamics) , Fluids , Engineering simulation , Manufacturing

Coupled Fluid-Thermal-Solid Simulation of Axial Through-Flow Rotating Cavities

Wei-lin Yi, Xiao-hang Zhang, Lu-cheng Ji, Jiang Chen

GT 2013; V03AT15A010doi:https://doi.org/10.1115/GT2013-95053

Abstract

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Topics: Cavities , Flow (Dynamics) , Fluids , Simulation , Aircraft engines , Disks , Simulation models , Temperature , Turbulence , Air flow

Experimental Characterization of Variable Bristle Diameter Brush Seal Leakage, Stiffness and Wear

Deepak Trivedi, Binayak Roy, Mehmet Demiroglu, Xiaoqing Zheng

GT 2013; V03AT15A011doi:https://doi.org/10.1115/GT2013-95086

Abstract

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Topics: Experimental characterization , Leakage , Stiffness , Wear , Pressure , Rotors , Stators , Design , Sealing (Process) , Failure mechanisms

CFD Investigation of Vane Nozzle and Impeller Design for HPT Blade Cooling Air Delivery System

Shuqing Tian, Qin Zhang, Hui Liu

GT 2013; V03AT15A012doi:https://doi.org/10.1115/GT2013-95396

Abstract

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Topics: Blades , Computational fluid dynamics , Cooling , Design , Impellers , Nozzles , Pressure , Cascades (Fluid dynamics) , Discharge coefficient , Flow (Dynamics)

Operating Performance and Wear Investigations of Brush Seals for Steam Turbine Applications

M. Raben, H. Schwarz, J. Friedrichs

GT 2013; V03AT15A013doi:https://doi.org/10.1115/GT2013-95442

Abstract

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Topics: Steam turbines , Wear , Rotors , Steam , Transients (Dynamics) , Vibration , Design , Displacement , Engines , Heat

Numerical Investigation of Improving Turbine Sealing Effectiveness Through Slot Width Modification of the Rim Seal

Jinghui Zhang, Hongwei Ma

GT 2013; V03AT15A014doi:https://doi.org/10.1115/GT2013-95570

Abstract

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Topics: Sealing (Process) , Turbines , Flow (Dynamics) , Stators , Cavities , Geometry , Wakes , Annulus , Clearances (Engineering) , Gas turbines

Hydrodynamic Air-Riding in Leaf Seals

Ingo H. J. Jahn, David Gillespie, Paul Cooper

GT 2013; V03AT15A015doi:https://doi.org/10.1115/GT2013-95585

Abstract

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Topics: Design , Engineering prototypes , Flow (Dynamics) , Fluid structure interaction , Geometry , Leakage , Lift (Fluid dynamics) , Machinery , Pressure , Rotors

Improvement of Conventional Seals for Stator-Rotor Cavities of Heavy-Duty Gas Turbines by Application of Interstage Brush-Seals

Marco Mantero, Alessandro Vinci, Luca Bozzi, Enrico D’Angelo

GT 2013; V03AT15A016doi:https://doi.org/10.1115/GT2013-95601

Abstract

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Topics: Cavities , Gas turbines , Rotors , Stators , Flow (Dynamics) , Sealing (Process) , Design , Turbines , Durability , Engineering prototypes

Numerical Investigation to Support the Design of a Flat Plate Honeycomb Seal Test Rig

Cosimo Bianchini, Mirko Micio, Francesco Maiuolo, Bruno Facchini

GT 2013; V03AT15A017doi:https://doi.org/10.1115/GT2013-95612

Abstract

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Topics: Design , Flat plates , Honeycomb structures , Friction , Pressure , Sealing (Process) , Computation , Flow (Dynamics) , Compressors , Computational fluid dynamics

Experimental Analysis of Abradable Labyrinth Seal Leakage With Simulated Groove: Part 2

Luca Innocenti, Stefania Ricupero, Rajeev Kumar Pandit, Nuo Sheng

GT 2013; V03AT15A018doi:https://doi.org/10.1115/GT2013-95646

Abstract

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Topics: Experimental analysis , Leakage , Flow (Dynamics) , Clearances (Engineering) , Dimensions , Physics , Pressure , Compressors , Numerical analysis , Pressure drop

Finger Seal Design Based on Fluid-Solid Interaction Model

Joury M. Temis, Alexey V. Selivanov, Ivan J. Dzeva

GT 2013; V03AT15A019doi:https://doi.org/10.1115/GT2013-95701

Abstract

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Topics: Design , Fluids , Simulation , Dynamic analysis , Algorithms , Computation , Deflection , Gas flow , Inverse problems , Performance evaluation

Investigation of a Radial-Inflow Bleed as a Potential for Compressor Clearance Control

N. R. Atkins

GT 2013; V03AT15A020doi:https://doi.org/10.1115/GT2013-95768

Abstract

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Topics: Clearances (Engineering) , Compressors , Inflow , Testing , Disks , Capacitance , Engines , Flow (Dynamics) , High pressure (Physics) , Modeling

A New 1.5-Stage Turbine Wheelspace Hot Gas Ingestion Rig (HGIR): Part I — Experimental Test Vehicle, Measurement Capability and Baseline Results

Pepe Palafox, Zhongman Ding, Jeremy Bailey, Todd Vanduser, Kevin Kirtley, Kenneth Moore, Raymond Chupp

GT 2013; V03AT15A021doi:https://doi.org/10.1115/GT2013-96020

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Topics: Turbines , Vehicles , Computational fluid dynamics , Reynolds number , Test facilities , Carbon dioxide , Design , Engines , Gas turbines , Gates (Closures)