Volume 132 Issue 4 | J. Turbomach. | ASME Digital Collection

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Volume 132, Issue 4

October 2010

ISSN 0889-504X

EISSN 1528-8900

Research Papers

Film-Cooling Effectiveness on a Rotating Turbine Platform Using Pressure Sensitive Paint Technique

A. Suryanarayanan, B. Ozturk, M. T. Schobeiri, J. C. Han

J. Turbomach. October 2010, 132(4): 041001. doi: https://doi.org/10.1115/1.3142860

Abstract

View articletitled, Film-Cooling Effectiveness on a Rotating Turbine Platform Using Pressure Sensitive Paint Technique

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Topics: Coolants , Film cooling , Flow (Dynamics) , Pressure , Rotors , Stators , Turbines , Cooling , Blades , Rotation

A Novel Turbomachinery Air-Brake Concept for Quiet Aircraft

P. N. Shah, D. D. Mobed, Z. S. Spakovszky

J. Turbomach. October 2010, 132(4): 041002. doi: https://doi.org/10.1115/1.3192145

Abstract

View articletitled, A Novel Turbomachinery Air-Brake Concept for Quiet Aircraft

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Topics: Acoustics , Aircraft , Brakes , Design , Drag (Fluid dynamics) , Ducts , Flow (Dynamics) , Noise (Sound) , Pressure , Swirling flow

Volume Dynamics Propulsion System Modeling for Supersonics Vehicle Research

George Kopasakis, Joseph W. Connolly, Daniel E. Paxson, Peter Ma

J. Turbomach. October 2010, 132(4): 041003. doi: https://doi.org/10.1115/1.3192148

Abstract

View articletitled, Volume Dynamics Propulsion System Modeling for Supersonics Vehicle Research

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Topics: Compressors , Dynamics (Mechanics) , Engines , Pressure , Turbines , Vehicles , Modeling , Combustion chambers , Propulsion systems , Thrust

Improved Understanding of Blow-Down in Filament Seals

Gervas Franceschini, Terry V. Jones, David R. H. Gillespie

J. Turbomach. October 2010, 132(4): 041004. doi: https://doi.org/10.1115/1.3213552

Abstract

View articletitled, Improved Understanding of Blow-Down in Filament Seals

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Topics: Computer simulation , Flow (Dynamics) , Pressure , Strips , Rotors , Momentum , Wind tunnels

Endwall Film Cooling Effects on Secondary Flows in a Contoured Endwall Nozzle Vane

Giovanna Barigozzi, Giuseppe Franchini, Antonio Perdichizzi, Marco Quattrore

J. Turbomach. October 2010, 132(4): 041005. doi: https://doi.org/10.1115/1.3192147

Abstract

View articletitled, Endwall Film Cooling Effects on Secondary Flows in a Contoured Endwall Nozzle Vane

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Topics: Cascades (Fluid dynamics) , Coolants , Flow (Dynamics) , Nozzles , Cooling , Film cooling , Geometry

Velocity Distributions for Low Pressure Turbines

J. D. Coull, R. L. Thomas, H. P. Hodson

J. Turbomach. October 2010, 132(4): 041006. doi: https://doi.org/10.1115/1.3192149

Abstract

View articletitled, Velocity Distributions for Low Pressure Turbines

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Topics: Blades , Boundary layers , Bubbles , Design , Diffusion (Physics) , Flow (Dynamics) , Pressure , Reynolds number , Suction , Turbines

Unsteady Analysis of Blade and Tip Heat Transfer as Influenced by the Upstream Momentum and Thermal Wakes

Ali A. Ameri, David L. Rigby, Erlendur Steinthorsson, James Heidmann, John C. Fabian

J. Turbomach. October 2010, 132(4): 041007. doi: https://doi.org/10.1115/1.3213549

Abstract

View articletitled, Unsteady Analysis of Blade and Tip Heat Transfer as Influenced by the Upstream Momentum and Thermal Wakes

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Topics: Blades , Computation , Heat transfer , Wakes , Wall temperature , Pressure , Heat flux

Adiabatic and Overall Effectiveness Measurements of an Effusion Cooling Array for Turbine Endwall Application

Bruno Facchini, Lorenzo Tarchi, Lorenzo Toni, Alberto Ceccherini

J. Turbomach. October 2010, 132(4): 041008. doi: https://doi.org/10.1115/1.3213555

Abstract

View articletitled, Adiabatic and Overall Effectiveness Measurements of an Effusion Cooling Array for Turbine Endwall Application

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Topics: Cooling , Flow (Dynamics) , Mach number , Turbines , Turbulence , Temperature , Coolants , Finite element methods , Geometry , Anisotropy

Multi-Objective Aerodynamic Optimization of Axial Turbine Blades Using a Novel Multilevel Genetic Algorithm

Özhan Öksüz, İbrahim Sinan Akmandor

J. Turbomach. October 2010, 132(4): 041009. doi: https://doi.org/10.1115/1.3213558

Abstract

View articletitled, Multi-Objective Aerodynamic Optimization of Axial Turbine Blades Using a Novel Multilevel Genetic Algorithm

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Topics: Blades , Design , Genetic algorithms , Optimization , Turbine blades , Flow (Dynamics)

Investigation of Leakage Flow and Heat Transfer in a Gas Turbine Blade Tip With Emphasis on the Effect of Rotation

Dianliang Yang, Xiaobing Yu, Zhenping Feng

J. Turbomach. October 2010, 132(4): 041010. doi: https://doi.org/10.1115/1.3213560

Abstract

View articletitled, Investigation of Leakage Flow and Heat Transfer in a Gas Turbine Blade Tip With Emphasis on the Effect of Rotation

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Topics: Blades , Heat transfer , Leakage flows , Pressure , Heat transfer coefficients , Coriolis force , Flow (Dynamics) , Rotation

Aerodynamics of a Letterbox Trailing Edge: Effects of Blowing Rate, Reynolds Number, and External Turbulence on Aerodynamic Losses and Pressure Distribution

N. J. Fiala, J. D. Johnson, F. E. Ames

J. Turbomach. October 2010, 132(4): 041011. doi: https://doi.org/10.1115/1.3195035

Abstract

View articletitled, Aerodynamics of a Letterbox Trailing Edge: Effects of Blowing Rate, Reynolds Number, and External Turbulence on Aerodynamic Losses and Pressure Distribution

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Topics: Design , Flow (Dynamics) , Pressure , Reynolds number , Turbulence , Cascades (Fluid dynamics) , Aerodynamics , Chords (Trusses) , Turning angles , Coolants

Numerical Analysis of the Vaned Diffuser of a Transonic Centrifugal Compressor

Michele Marconcini, Filippo Rubechini, Andrea Arnone, Seiichi Ibaraki

J. Turbomach. October 2010, 132(4): 041012. doi: https://doi.org/10.1115/1.2988481

Abstract

View articletitled, Numerical Analysis of the Vaned Diffuser of a Transonic Centrifugal Compressor

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Topics: Blades , Compressors , Diffusers , Flow (Dynamics) , Impellers , Computation , Numerical analysis , Pressure

Prediction of Evaporative Effects Within the Blading of an Industrial Axial Compressor

Charles Matz, Giovanni Cataldi, Wolfgang Kappis, Gerd Mundinger, Stefan Bischoff, Eivind Helland, Matthias Ripken

J. Turbomach. October 2010, 132(4): 041013. doi: https://doi.org/10.1115/1.3149285

Abstract

View articletitled, Prediction of Evaporative Effects Within the Blading of an Industrial Axial Compressor

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Topics: Blades , Compressors , Drops , Evaporation , Flow (Dynamics) , Water , Underground injection , Pressure , Gas turbines , Temperature

High-Fidelity Numerical Analysis of Per-Rev-Type Inlet Distortion Transfer in Multistage Fans—Part I: Simulations With Selected Blade Rows

Jixian Yao, Steven E. Gorrell, Aspi R. Wadia

J. Turbomach. October 2010, 132(4): 041014. doi: https://doi.org/10.1115/1.3148478

Abstract

View articletitled, High-Fidelity Numerical Analysis of Per-Rev-Type Inlet Distortion Transfer in Multistage Fans—Part I: Simulations With Selected Blade Rows

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Topics: Blades , Computational fluid dynamics , Fans , Flow (Dynamics) , Pressure , Simulation , Stators , Temperature , Rotors , Numerical analysis

High-Fidelity Numerical Analysis of Per-Rev-Type Inlet Distortion Transfer in Multistage Fans—Part II: Entire Component Simulation and Investigation

Jixian Yao, Steven E. Gorrell, Aspi R. Wadia

J. Turbomach. October 2010, 132(4): 041015. doi: https://doi.org/10.1115/1.3148479

Abstract

View articletitled, High-Fidelity Numerical Analysis of Per-Rev-Type Inlet Distortion Transfer in Multistage Fans—Part II: Entire Component Simulation and Investigation

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Topics: Fans , Pressure , Temperature , Temperature profiles , Computational fluid dynamics , Flow (Dynamics)

The Effects of Inlet Guide Vane-Wake Impingement on the Boundary Layer and the Near-Wake of a Rotor Blade

Francesco Soranna, Yi-Chih Chow, Oguz Uzol, Joseph Katz

J. Turbomach. October 2010, 132(4): 041016. doi: https://doi.org/10.1115/1.3149282

Abstract

View articletitled, The Effects of Inlet Guide Vane-Wake Impingement on the Boundary Layer and the Near-Wake of a Rotor Blade

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Topics: Blades , Boundary layers , Inlet guide vanes , Rotors , Turbulence , Wakes , Suction

Preparing for the Future: Reducing Gas Turbine Environmental Impact—IGTI Scholar Lecture

Nicholas A. Cumpsty

J. Turbomach. October 2010, 132(4): 041017. doi: https://doi.org/10.1115/1.4001221

Abstract

View articletitled, Preparing for the Future: Reducing Gas Turbine Environmental Impact—IGTI Scholar Lecture

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Topics: Aircraft , Design , Engines , Fuels , Gas turbines , Pressure , Temperature , Thrust , Turbines , Flow (Dynamics)

Some Lessons Learned

N. A. Cumpsty

J. Turbomach. October 2010, 132(4): 041018. doi: https://doi.org/10.1115/1.4001222

Abstract

View articletitled, Some Lessons Learned

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Topics: Blades , Compressors , Computational fluid dynamics , Dimensions , Flow (Dynamics) , Pressure , Rotors , Leakage , Turbomachinery

Technical Briefs

Computation of Eigenvalues and Eigenvectors of a Mistuned Bladed Disk Via Unidirectional Taylor Series Expansions

Alok Sinha

J. Turbomach. October 2010, 132(4): 044501. doi: https://doi.org/10.1115/1.3142863

Abstract

View articletitled, Computation of Eigenvalues and Eigenvectors of a Mistuned Bladed Disk Via Unidirectional Taylor Series Expansions

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Topics: Eigenvalues , Disks

Research Papers

Film-Cooling Effectiveness on a Rotating Turbine Platform Using Pressure Sensitive Paint Technique

A Novel Turbomachinery Air-Brake Concept for Quiet Aircraft

Volume Dynamics Propulsion System Modeling for Supersonics Vehicle Research

Improved Understanding of Blow-Down in Filament Seals

Endwall Film Cooling Effects on Secondary Flows in a Contoured Endwall Nozzle Vane

Velocity Distributions for Low Pressure Turbines

Unsteady Analysis of Blade and Tip Heat Transfer as Influenced by the Upstream Momentum and Thermal Wakes

Adiabatic and Overall Effectiveness Measurements of an Effusion Cooling Array for Turbine Endwall Application

Multi-Objective Aerodynamic Optimization of Axial Turbine Blades Using a Novel Multilevel Genetic Algorithm

Investigation of Leakage Flow and Heat Transfer in a Gas Turbine Blade Tip With Emphasis on the Effect of Rotation

Aerodynamics of a Letterbox Trailing Edge: Effects of Blowing Rate, Reynolds Number, and External Turbulence on Aerodynamic Losses and Pressure Distribution

Numerical Analysis of the Vaned Diffuser of a Transonic Centrifugal Compressor

Prediction of Evaporative Effects Within the Blading of an Industrial Axial Compressor

High-Fidelity Numerical Analysis of Per-Rev-Type Inlet Distortion Transfer in Multistage Fans—Part I: Simulations With Selected Blade Rows

High-Fidelity Numerical Analysis of Per-Rev-Type Inlet Distortion Transfer in Multistage Fans—Part II: Entire Component Simulation and Investigation

The Effects of Inlet Guide Vane-Wake Impingement on the Boundary Layer and the Near-Wake of a Rotor Blade

Preparing for the Future: Reducing Gas Turbine Environmental Impact—IGTI Scholar Lecture

Some Lessons Learned

Technical Briefs

Computation of Eigenvalues and Eigenvectors of a Mistuned Bladed Disk Via Unidirectional Taylor Series Expansions

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