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Volume 140, Issue 2

February 2018

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ISSN 0889-504X

EISSN 1528-8900

In this Issue

Research Papers

Research Papers

Experimental Evaluation of Thermal and Mass Transfer Techniques to Measure Adiabatic Effectiveness With Various Coolant to Freestream Property Ratios

Connor J. Wiese, James L. Rutledge, Marc D. Polanka

J. Turbomach. February 2018, 140(2): 021001. doi: https://doi.org/10.1115/1.4038177

Abstract

View articletitled, Experimental Evaluation of Thermal and Mass Transfer Techniques to Measure Adiabatic Effectiveness With Various Coolant to Freestream Property Ratios

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Topics: Carbon dioxide , Coolants , Cooling , Flow (Dynamics) , Nitrogen , Mass transfer , Temperature , Heat transfer , Film cooling

Experimental Investigation of Numerically Optimized Wavy Microchannels Created Through Additive Manufacturing

Kathryn L. Kirsch, Karen A. Thole

J. Turbomach. February 2018, 140(2): 021002. doi: https://doi.org/10.1115/1.4038180

Abstract

View articletitled, Experimental Investigation of Numerically Optimized Wavy Microchannels Created Through Additive Manufacturing

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Topics: Design , Flow (Dynamics) , Heat transfer , Microchannels , Optimization , Pressure , Friction , Additive manufacturing , Shapes , Wavelength

Highly Resolved Large Eddy Simulation Study of Gap Size Effect on Low-Pressure Turbine Stage

R. Pichler, V. Michelassi, R. Sandberg, J. Ong

J. Turbomach. February 2018, 140(2): 021003. doi: https://doi.org/10.1115/1.4038178

Abstract

View articletitled, Highly Resolved Large Eddy Simulation Study of Gap Size Effect on Low-Pressure Turbine Stage

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Topics: Blades , Boundary layers , Pressure , Rotors , Stators , Turbines , Wakes , Suction , Flow (Dynamics) , Large eddy simulation

Influence of Acoustic Blockage on Flutter Instability in a Transonic Nozzle

Quentin Rendu, Yannick Rozenberg, Stéphane Aubert, Pascal Ferrand

J. Turbomach. February 2018, 140(2): 021004. doi: https://doi.org/10.1115/1.4038279

Abstract

View articletitled, Influence of Acoustic Blockage on Flutter Instability in a Transonic Nozzle

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Topics: Acoustics , Computation , Pressure , Waves , Flutter (Aerodynamics) , Damping , Phase shift , Flow (Dynamics) , Shock waves , Nozzles

The Effect of External Casing Impingement Cooling Manifold Standoff Distance on Casing Contraction for Thermal Control of Blade Tip Clearance

Myeonggeun Choi, David R. H. Gillespie, Leo V. Lewis

J. Turbomach. February 2018, 140(2): 021005. doi: https://doi.org/10.1115/1.4038280

Abstract

View articletitled, The Effect of External Casing Impingement Cooling Manifold Standoff Distance on Casing Contraction for Thermal Control of Blade Tip Clearance

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Topics: Blades , Clearances (Engineering) , Computational fluid dynamics , Cooling , Engines , Flow (Dynamics) , Heat transfer , Manifolds , Temperature , Flanges

A Machine Learning Approach for Determining the Turbulent Diffusivity in Film Cooling Flows

Pedro M. Milani, Julia Ling, Gonzalo Saez-Mischlich, Julien Bodart, John K. Eaton

J. Turbomach. February 2018, 140(2): 021006. doi: https://doi.org/10.1115/1.4038275

Abstract

View articletitled, A Machine Learning Approach for Determining the Turbulent Diffusivity in Film Cooling Flows

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Topics: Algorithms , Film cooling , Machine learning , Reynolds-averaged Navier–Stokes equations , Turbulence , Flow (Dynamics) , Temperature , Simulation , Scalars

Influence of Rotor Tip Blockage on Near Stall Blade Vibrations in an Axial Compressor Rig

Daniel Möller, Maximilian Jüngst, Heinz-Peter Schiffer, Thomas Giersch, Frank Heinichen

J. Turbomach. February 2018, 140(2): 021007. doi: https://doi.org/10.1115/1.4038316

Abstract

View articletitled, Influence of Rotor Tip Blockage on Near Stall Blade Vibrations in an Axial Compressor Rig

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Topics: Blades , Compressors , Flow (Dynamics) , Rotors , Vibration , Simulation

Quantifying Blowing Ratio for Shaped Cooling Holes

D. J. Cerantola, A. M. Birk

J. Turbomach. February 2018, 140(2): 021008. doi: https://doi.org/10.1115/1.4038277

Abstract

View articletitled, Quantifying Blowing Ratio for Shaped Cooling Holes

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Topics: Cooling , Film cooling , Flow (Dynamics) , Geometry , Turbulence , Computational fluid dynamics , Pressure , Shapes , Design , Coolants

Film Cooling Effectiveness Comparison on Full-Scale Turbine Vane Endwalls Using Pressure-Sensitive Paint Technique

Chao-Cheng Shiau, Andrew F Chen, Je-Chin Han, Salam Azad, Ching-Pang Lee

J. Turbomach. February 2018, 140(2): 021009. doi: https://doi.org/10.1115/1.4038278

Abstract

View articletitled, Film Cooling Effectiveness Comparison on Full-Scale Turbine Vane Endwalls Using Pressure-Sensitive Paint Technique

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Topics: Film cooling , Pressure , Flow (Dynamics) , Coolants , Design , Turbines

Vane Suction Surface Heat Transfer in Regions of Secondary Flows: The Influence of Turbulence Level, Reynolds Number, and the Endwall Boundary Condition

Justin E. Varty, Loren W. Soma, Forrest E. Ames, Sumanta Acharya

J. Turbomach. February 2018, 140(2): 021010. doi: https://doi.org/10.1115/1.4038281

Abstract

View articletitled, Vane Suction Surface Heat Transfer in Regions of Secondary Flows: The Influence of Turbulence Level, Reynolds Number, and the Endwall Boundary Condition

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Topics: Flow (Dynamics) , Heat transfer , Reynolds number , Suction , Turbulence , Cascades (Fluid dynamics) , Vortices , Boundary-value problems , Film cooling , Pressure

Simulation of Multistage Compressor at Off-Design Conditions

Feng Wang, Mauro Carnevale, Luca di Mare, Simon Gallimore

J. Turbomach. February 2018, 140(2): 021011. doi: https://doi.org/10.1115/1.4038317

Abstract

View articletitled, Simulation of Multistage Compressor at Off-Design Conditions

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Topics: Blades , Cavities , Compressors , Computational fluid dynamics , Design , Flow (Dynamics) , Pressure , Simulation , Turbulence

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Optimization of Low-Pressure Turbine Blade by Means of Fine Inspection of Loss Production Mechanisms

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Performance of Rough-Ribbed Low-Pressure Turbine Blades Under Varying Loading and Operating Conditions

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CONTROL OF SHROUD LEAKAGE LOSS AND WINDAGE TORQUE IN A LOW-PRESSURE TURBINE STAGE

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Research Papers

Experimental Evaluation of Thermal and Mass Transfer Techniques to Measure Adiabatic Effectiveness With Various Coolant to Freestream Property Ratios

Experimental Investigation of Numerically Optimized Wavy Microchannels Created Through Additive Manufacturing

Highly Resolved Large Eddy Simulation Study of Gap Size Effect on Low-Pressure Turbine Stage

Influence of Acoustic Blockage on Flutter Instability in a Transonic Nozzle

The Effect of External Casing Impingement Cooling Manifold Standoff Distance on Casing Contraction for Thermal Control of Blade Tip Clearance

A Machine Learning Approach for Determining the Turbulent Diffusivity in Film Cooling Flows

Influence of Rotor Tip Blockage on Near Stall Blade Vibrations in an Axial Compressor Rig

Quantifying Blowing Ratio for Shaped Cooling Holes

Film Cooling Effectiveness Comparison on Full-Scale Turbine Vane Endwalls Using Pressure-Sensitive Paint Technique

Vane Suction Surface Heat Transfer in Regions of Secondary Flows: The Influence of Turbulence Level, Reynolds Number, and the Endwall Boundary Condition

Simulation of Multistage Compressor at Off-Design Conditions

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