Topics: Cascades (Fluid dynamics) , Compressors , Corners (Structural elements) , Flow (Dynamics) , Pressure , Separation (Technology) , Unsteady flow , Vortices , Blades , Delay differential equations

Multi-Objective Numerical Optimization of Radial Turbines

Christopher Fuhrer, Nikola Kovachev, Damian M. Vogt, Ganesh Raja Mahalingam, Stuart Mann

J. Turbomach. March 2024, 146(3): 031004. doi: https://doi.org/10.1115/1.4063929

Abstract

View articletitled, Multi-Objective Numerical Optimization of Radial Turbines

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Topics: Computational fluid dynamics , Geometry , Optimization , Turbines , Design , Wheels , Durability , Turbochargers

A Novel Axial Energy-Imparting Turbomachine for High-Enthalpy Gas Heating: Robustness of the Aerodynamic Design

Nikolas Karefyllidis, Dylan Rubini, Budimir Rosic, Liping Xu, Veli-Matti Purola

J. Turbomach. March 2024, 146(3): 031005. doi: https://doi.org/10.1115/1.4063928

Abstract

View articletitled, A Novel Axial Energy-Imparting Turbomachine for High-Enthalpy Gas Heating: Robustness of the Aerodynamic Design

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Topics: Design , Flow (Dynamics) , Turbomachinery , Blades , Robustness , Turbochargers , Enthalpy , Rotors , High temperature , Cracking (Materials)

The Effects of Channel Supplies on Overall Film-Cooling Effectiveness

Emma M. Veley, Karen A. Thole, David G. Bogard

J. Turbomach. March 2024, 146(3): 031006. doi: https://doi.org/10.1115/1.4063927

Abstract

View articletitled, The Effects of Channel Supplies on Overall Film-Cooling Effectiveness

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Topics: Cooling , Film cooling , Flow (Dynamics) , Coolants

Experimental Investigations on the Effects of Surface Roughness for Compressor Cascades With Different Roughness Magnitude and Location

Xianjun Yu, Shouyang Zhao, Guangfeng An, Yuhang Xu, Xiaobin Xu

J. Turbomach. March 2024, 146(3): 031007. doi: https://doi.org/10.1115/1.4063973

Abstract

View articletitled, Experimental Investigations on the Effects of Surface Roughness for Compressor Cascades With Different Roughness Magnitude and Location

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Topics: Blades , Flow (Dynamics) , Pressure , Surface roughness , Compressors , Cascades (Fluid dynamics) , Suction , Boundary layers

Direct Numerical Simulation of Transitional and Turbulent Flows Over Multi-Scale Surface Roughness—Part I: Methodology and Challenges

Massimiliano Nardini, Melissa Kozul, Thomas O. Jelly, Richard D. Sandberg

J. Turbomach. March 2024, 146(3): 031008. doi: https://doi.org/10.1115/1.4063753

Abstract

View articletitled, Direct Numerical Simulation of Transitional and Turbulent Flows Over Multi-Scale Surface Roughness—Part I: Methodology and Challenges

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Topics: Blades , Flow (Dynamics) , Surface roughness , Turbulence , Computer simulation

Direct Numerical Simulation of Transitional and Turbulent Flows Over Multi-Scale Surface Roughness—Part II: The Effect of Roughness on the Performance of a High-Pressure Turbine Blade

Massimiliano Nardini, Thomas O. Jelly, Melissa Kozul, Richard D. Sandberg, Paul Vitt, Greg Sluyter

J. Turbomach. March 2024, 146(3): 031009. doi: https://doi.org/10.1115/1.4063974

Abstract

View articletitled, Direct Numerical Simulation of Transitional and Turbulent Flows Over Multi-Scale Surface Roughness—Part II: The Effect of Roughness on the Performance of a High-Pressure Turbine Blade

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Topics: Blades , Boundary layers , Surface roughness , Turbulence , Computer simulation , Turbine blades , High pressure (Physics) , Flow (Dynamics) , Heat flux , Wakes

Particle Image Velocimetry Measurements in a High-Speed Low-Reynolds Low-Pressure Turbine Cascade

Mizuki Okada, Loris Simonassi, Gustavo Lopes, Sergio Lavagnoli

J. Turbomach. March 2024, 146(3): 031010. doi: https://doi.org/10.1115/1.4063674

Abstract

View articletitled, Particle Image Velocimetry Measurements in a High-Speed Low-Reynolds Low-Pressure Turbine Cascade

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Topics: Blades , Cascades (Fluid dynamics) , Flow (Dynamics) , Mach number , Particulate matter , Pressure , Turbulence , Reynolds-averaged Navier–Stokes equations , Turbines , Wakes

Improved Spatiotemporal Distributions of Sweeping Jet Film Cooling With a Shaped Exit Design

Kechen Wang, Wenwu Zhou, Xin Wen, Di Peng, Yingzheng Liu

J. Turbomach. March 2024, 146(3): 031011. doi: https://doi.org/10.1115/1.4064078

Abstract

View articletitled, Improved Spatiotemporal Distributions of Sweeping Jet Film Cooling With a Shaped Exit Design

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Topics: Coolants , Cooling , Design , Film cooling , Flow (Dynamics) , Oscillations , Pressure , Spatiotemporal phenomena , Geometry , Principal component analysis

Effects of Riblet Dimensions on the Transitional Boundary Layers Over High-Lift Turbine Blades

S. M. Ananth, Massimiliano Nardini, Aditya Vaid, Melissa Kozul, Nagabhushana Rao Vadlamani, Richard D. Sandberg

J. Turbomach. March 2024, 146(3): 031012. doi: https://doi.org/10.1115/1.4064087

Abstract

View articletitled, Effects of Riblet Dimensions on the Transitional Boundary Layers Over High-Lift Turbine Blades

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Topics: Blades , Boundary layers , Dimensions , Flow (Dynamics) , Surface roughness , Turbulence , Turbine blades , Skin friction (Fluid dynamics) , Simulation , Pressure gradient

Experimental Investigation of the Effect of Bleed on the Aerodynamics of a Low-Pressure Compressor Stage in a Turbofan Engine

Apostolos Spanelis, Paul A. Denman, Ian Mariah, A. Duncan Walker

J. Turbomach. March 2024, 146(3): 031013. doi: https://doi.org/10.1115/1.4064084

Abstract

View articletitled, Experimental Investigation of the Effect of Bleed on the Aerodynamics of a Low-Pressure Compressor Stage in a Turbofan Engine

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Topics: Compressors , Design , Ducts , Engines , Flow (Dynamics) , Pressure , Rotors , Struts (Engineering) , Turbofans , Aerodynamics

A Method for Preliminary Design of Variable Geometry Vaned Diffuser for Centrifugal Compressor

Hideaki Tamaki, Satoshi Yamaguchi

J. Turbomach. March 2024, 146(3): 031014. doi: https://doi.org/10.1115/1.4064083

Abstract

View articletitled, A Method for Preliminary Design of Variable Geometry Vaned Diffuser for Centrifugal Compressor

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Topics: Compressors , Design , Diffusers , Geometry , Pressure , Impellers , Flow (Dynamics)

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Multi-Objective Numerical Optimization of Radial Turbines

A Novel Axial Energy-Imparting Turbomachine for High-Enthalpy Gas Heating: Robustness of the Aerodynamic Design

The Effects of Channel Supplies on Overall Film-Cooling Effectiveness

Experimental Investigations on the Effects of Surface Roughness for Compressor Cascades With Different Roughness Magnitude and Location

Direct Numerical Simulation of Transitional and Turbulent Flows Over Multi-Scale Surface Roughness—Part I: Methodology and Challenges

Direct Numerical Simulation of Transitional and Turbulent Flows Over Multi-Scale Surface Roughness—Part II: The Effect of Roughness on the Performance of a High-Pressure Turbine Blade

Particle Image Velocimetry Measurements in a High-Speed Low-Reynolds Low-Pressure Turbine Cascade

Improved Spatiotemporal Distributions of Sweeping Jet Film Cooling With a Shaped Exit Design

Effects of Riblet Dimensions on the Transitional Boundary Layers Over High-Lift Turbine Blades

Experimental Investigation of the Effect of Bleed on the Aerodynamics of a Low-Pressure Compressor Stage in a Turbofan Engine

A Method for Preliminary Design of Variable Geometry Vaned Diffuser for Centrifugal Compressor

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