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Volume 140, Issue 9

September 2018

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ISSN 0889-504X

EISSN 1528-8900

In this Issue

Research Papers

Research Papers

Improving Purge Air Cooling Effectiveness by Engineered End-Wall Surface Structures—Part I: Duct Flow

Xin Miao, Qiang Zhang, Chris Atkin, Zhengzhong Sun, Yansheng Li

J. Turbomach. September 2018, 140(9): 091001. doi: https://doi.org/10.1115/1.4040853

Abstract

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Topics: Computational fluid dynamics , Cooling , Design , Ducts , Film cooling , Flow (Dynamics) , Temperature , Vortices , Transients (Dynamics) , Air flow

Improving Purge Air Cooling Effectiveness by Engineered End-Wall Surface Structures—Part II: Turbine Cascade

Xin Miao, Qiang Zhang, Chris Atkin, Zhengzhong Sun, Yansheng Li

J. Turbomach. September 2018, 140(9): 091002. doi: https://doi.org/10.1115/1.4040854

Abstract

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Topics: Blades , Cascades (Fluid dynamics) , Computational fluid dynamics , Cooling , Film cooling , Flow (Dynamics) , Heat flux , Temperature , Turbines , Vortices

A Mixed-Fidelity Numerical Study for Fan–Distortion Interaction

Yunfei Ma, Jiahuan Cui, Nagabhushana Rao Vadlamani, Paul Tucker

J. Turbomach. September 2018, 140(9): 091003. doi: https://doi.org/10.1115/1.4040860

Abstract

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Topics: Blades , Flow (Dynamics) , Geometry , Pressure , Rotors , Separation (Technology) , Design , Simulation , Generators , Modeling

A Novel Method for Designing Fan-Shaped Holes With Short Length-to-Diameter Ratio in Producing High Film Cooling Performance for Thin-Wall Turbine Airfoil

Weihong Li, Xueying Li, Jing Ren, Hongde Jiang

J. Turbomach. September 2018, 140(9): 091004. doi: https://doi.org/10.1115/1.4041035

Abstract

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Topics: Film cooling , Heat transfer coefficients , Shapes

Fast Conjugate Heat Transfer Simulation of Long Transient Flexible Operations Using Adaptive Time Stepping

R. Maffulli, L. He, P. Stein, G. Marinescu

J. Turbomach. September 2018, 140(9): 091005. doi: https://doi.org/10.1115/1.4040997

Abstract

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Topics: Annulus , Errors , Flow (Dynamics) , Fluids , Heat transfer , Modeling , Natural convection , Simulation , Temperature , Transients (Dynamics)

Effects of Area Ratio and Mean Rise Angle on the Aerodynamics of Interturbine Ducts

Yanfeng Zhang, Shuzhen Hu, Ali Mahallati, Xue-Feng Zhang, Edward Vlasic

J. Turbomach. September 2018, 140(9): 091006. doi: https://doi.org/10.1115/1.4039936

Abstract

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Topics: Boundary layers , Ducts , Flow (Dynamics) , Pressure , Separation (Technology) , Wakes , Vortices , Pressure gradient , Aerodynamics

Aerothermodynamics and Exergy Analysis in Radial Turbine With Heat Transfer

Shyang Maw Lim, Anders Dahlkild, Mihai Mihaescu

J. Turbomach. September 2018, 140(9): 091007. doi: https://doi.org/10.1115/1.4040852

Abstract

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Topics: Exergy , Exergy analysis , Flow (Dynamics) , Heat losses , Heat transfer , Turbines , Pressure , Temperature

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Research Papers

Improving Purge Air Cooling Effectiveness by Engineered End-Wall Surface Structures—Part I: Duct Flow

Improving Purge Air Cooling Effectiveness by Engineered End-Wall Surface Structures—Part II: Turbine Cascade

A Mixed-Fidelity Numerical Study for Fan–Distortion Interaction

A Novel Method for Designing Fan-Shaped Holes With Short Length-to-Diameter Ratio in Producing High Film Cooling Performance for Thin-Wall Turbine Airfoil

Fast Conjugate Heat Transfer Simulation of Long Transient Flexible Operations Using Adaptive Time Stepping

Effects of Area Ratio and Mean Rise Angle on the Aerodynamics of Interturbine Ducts

Aerothermodynamics and Exergy Analysis in Radial Turbine With Heat Transfer

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Research Papers

Improving Purge Air Cooling Effectiveness by Engineered End-Wall Surface Structures—Part I: Duct Flow

Improving Purge Air Cooling Effectiveness by Engineered End-Wall Surface Structures—Part II: Turbine Cascade

A Mixed-Fidelity Numerical Study for Fan–Distortion Interaction

A Novel Method for Designing Fan-Shaped Holes With Short Length-to-Diameter Ratio in Producing High Film Cooling Performance for Thin-Wall Turbine Airfoil

Fast Conjugate Heat Transfer Simulation of Long Transient Flexible Operations Using Adaptive Time Stepping

Effects of Area Ratio and Mean Rise Angle on the Aerodynamics of Interturbine Ducts

Aerothermodynamics and Exergy Analysis in Radial Turbine With Heat Transfer

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