Topics: Compressors , Diffusers , Flow (Dynamics) , Fluctuations (Physics) , Impellers , Noise (Sound) , Outflow , Pressure , Rotors , Computational fluid dynamics

Performance Improvement of Turbofans by Electric Power Transfer

Hossein Balaghi Enalou, Serhiy Bozhko

J. Turbomach. November 2020, 142(11): 111002. doi: https://doi.org/10.1115/1.4047892

Abstract

View articletitled, Performance Improvement of Turbofans by Electric Power Transfer

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Topics: Engines , Fuel consumption , Electricity (Physics)

Experimental and Computational Methods for the Evaluation of Double-Wall, Effusion Cooling Systems

Alexander V. Murray, Peter T. Ireland, Eduardo Romero

J. Turbomach. November 2020, 142(11): 111003. doi: https://doi.org/10.1115/1.4047384

Abstract

View articletitled, Experimental and Computational Methods for the Evaluation of Double-Wall, Effusion Cooling Systems

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Topics: Computational fluid dynamics , Computational methods , Coolants , Cooling , Cooling systems , Film cooling , Flow (Dynamics) , Geometry , Temperature , Reynolds number

A Discrete Adjoint Method for Two-Phase Condensing Flows Applied to the Shape Optimization of Turbine Cascades

M. Pini, L. Azzini, S. Vitale, P. Colonna

J. Turbomach. November 2020, 142(11): 111004. doi: https://doi.org/10.1115/1.4047781

Abstract

View articletitled, A Discrete Adjoint Method for Two-Phase Condensing Flows Applied to the Shape Optimization of Turbine Cascades

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Topics: Cascades (Fluid dynamics) , Flow (Dynamics) , Shape optimization , Blades , Optimization , Design

Development, Validation, and Application of an Optimization Scheme for Impellers of Centrifugal Fans Using Computational Fluid Dynamics-Trained Metamodels

Konrad Bamberger, Thomas Carolus, Julian Belz, Oliver Nelles

J. Turbomach. November 2020, 142(11): 111005. doi: https://doi.org/10.1115/1.4048022

Abstract

View articletitled, Development, Validation, and Application of an Optimization Scheme for Impellers of Centrifugal Fans Using Computational Fluid Dynamics-Trained Metamodels

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Topics: Computational fluid dynamics , Design , Fans , Impellers , Optimization , Optimization algorithms

Impact of Exit Duct Dynamic Response on Compressor Stability

Wenqiang Zhang, Mehdi Vahdati, Fanzhou Zhao

J. Turbomach. November 2020, 142(11): 111006. doi: https://doi.org/10.1115/1.4048153

Abstract

View articletitled, Impact of Exit Duct Dynamic Response on Compressor Stability

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Topics: Compressors , Ducts , Flow (Dynamics) , Nozzles , Pressure , Reflection , Waves , Stability , Geometry

Counter-Propagating Rotating Stall of Vaned Diffuser in a Centrifugal Compressor Near Design Condition

Yu Du, Hua-Shu Dou, Fuan Lu

J. Turbomach. November 2020, 142(11): 111007. doi: https://doi.org/10.1115/1.4048604

Abstract

View articletitled, Counter-Propagating Rotating Stall of Vaned Diffuser in a Centrifugal Compressor Near Design Condition

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Topics: Blades , Compressors , Design , Diffusers , Flow (Dynamics) , Impellers , Air flow , Rotation

Surface Curvature Effects on Film Cooling Performance for Shaped Holes on a Model Turbine Blade

Jacob D. Moore, Christopher Yoon, David G. Bogard

J. Turbomach. November 2020, 142(11): 111008. doi: https://doi.org/10.1115/1.4048582

Abstract

View articletitled, Surface Curvature Effects on Film Cooling Performance for Shaped Holes on a Model Turbine Blade

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Topics: Film cooling , Flat plates , Gas turbines , Blades , Coolants , Turbine blades , Pressure gradient

Loss Analysis of Unsteady Turbomachinery Flows Based on the Mechanical Work Potential

John Leggett, Edward Richardson, Stephan Priebe, Aamir Shabbir, Vittorio Michelassi, Richard Sandberg

J. Turbomach. November 2020, 142(11): 111009. doi: https://doi.org/10.1115/1.4048162

Abstract

View articletitled, Loss Analysis of Unsteady Turbomachinery Flows Based on the Mechanical Work Potential

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Topics: Blades , Compressors , Energy dissipation , Flow (Dynamics) , Pressure , Simulation , Turbomachinery , Turbulence , Wakes , Reynolds-averaged Navier–Stokes equations