Topics: Boundary-value problems , Cooling , Heat transfer , Heat transfer coefficients , Reynolds number , Temperature , Temperature distribution , Optimization , Temperature uniformity , Finite element analysis

Mach Number Distribution and Profile Losses for Low-Pressure Turbine Profiles With High Diffusion Factors

Roland Brachmanski, Reinhard Niehuis

J. Turbomach. October 2017, 139(10): 101002. doi: https://doi.org/10.1115/1.4036436

Abstract

View articletitled, Mach Number Distribution and Profile Losses for Low-Pressure Turbine Profiles With High Diffusion Factors

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

Clocking in Low-Pressure Turbines

Kathryn R. Evans, John P. Longley

J. Turbomach. October 2017, 139(10): 101003. doi: https://doi.org/10.1115/1.4036341

Abstract

View articletitled, Clocking in Low-Pressure Turbines

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Topics: Flow (Dynamics) , Stators , Turbines , Wakes , Pressure , Rotors , Blades

Aerothermal Performance of a Nozzle Vane Cascade With a Generic Nonuniform Inlet Flow Condition—Part II: Influence of Purge and Film Cooling Injection

G. Barigozzi, H. Abdeh, A. Perdichizzi, M. Henze, J. Krueckels

J. Turbomach. October 2017, 139(10): 101004. doi: https://doi.org/10.1115/1.4036437

Abstract

View articletitled, Aerothermal Performance of a Nozzle Vane Cascade With a Generic Nonuniform Inlet Flow Condition—Part II: Influence of Purge and Film Cooling Injection

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

Accounting for Uncontrolled Variations in Low-Speed Turbine Experiments

Kathryn R. Evans, John P. Longley

J. Turbomach. October 2017, 139(10): 101005. doi: https://doi.org/10.1115/1.4036342

Abstract

View articletitled, Accounting for Uncontrolled Variations in Low-Speed Turbine Experiments

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Topics: Accounting , Blades , Flow (Dynamics) , Turbines , Reynolds number

Experimental Assessment of Noise Generation and Transmission in a High-Pressure Transonic Turbine Stage

Karsten Knobloch, Lars Neuhaus, Friedrich Bake, Paolo Gaetani, Giacomo Persico

J. Turbomach. October 2017, 139(10): 101006. doi: https://doi.org/10.1115/1.4036344

Abstract

View articletitled, Experimental Assessment of Noise Generation and Transmission in a High-Pressure Transonic Turbine Stage

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Topics: Acoustics , Entropy , Excitation , Flow (Dynamics) , Noise (Sound) , Rotors , Stators , Turbines , Vorticity , Waves

Experimental and Numerical Verification of an Optimization of a Fast Rotating High-Performance Radial Compressor Impeller

M. Elfert, A. Weber, D. Wittrock, A. Peters, C. Voss, E. Nicke

J. Turbomach. October 2017, 139(10): 101007. doi: https://doi.org/10.1115/1.4036357

Abstract

View articletitled, Experimental and Numerical Verification of an Optimization of a Fast Rotating High-Performance Radial Compressor Impeller

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Topics: Blades , Compressors , Design , Flow (Dynamics) , Impellers , Optimization , Pressure , Computational fluid dynamics , Wheels

Adiabatic Film Cooling Effectiveness Measurements Throughout Multirow Film Cooling Arrays

Greg Natsui, Zachary Little, Jayanta S. Kapat, Jason E. Dees

J. Turbomach. October 2017, 139(10): 101008. doi: https://doi.org/10.1115/1.4035520

Abstract

View articletitled, Adiabatic Film Cooling Effectiveness Measurements Throughout Multirow Film Cooling Arrays

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Topics: Calibration , Coolants , Diffusers , Film cooling , Geometry , Uncertainty , Boundary layers , Pressure

Effects of Tip Gap Size on the Aerodynamic Performance of a Cavity-Winglet Tip in a Turbine Cascade

Fangpan Zhong, Chao Zhou

J. Turbomach. October 2017, 139(10): 101009. doi: https://doi.org/10.1115/1.4036677

Abstract

View articletitled, Effects of Tip Gap Size on the Aerodynamic Performance of a Cavity-Winglet Tip in a Turbine Cascade

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Topics: Blades , Cascades (Fluid dynamics) , Cavities , Computational fluid dynamics , Flow (Dynamics) , Leakage , Pressure , Turbines , Vortices , Leakage flows

Effects of Radial Loading Distribution on Partial-Surge-Initiated Instability in a Transonic Axial Flow Compressor

Tianyu Pan, Qiushi Li, Zhiping Li, Yifang Gong

J. Turbomach. October 2017, 139(10): 101010. doi: https://doi.org/10.1115/1.4036646

Abstract

View articletitled, Effects of Radial Loading Distribution on Partial-Surge-Initiated Instability in a Transonic Axial Flow Compressor

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Topics: Blades , Compressors , Pressure , Rotors , Surges , Design , Flow (Dynamics) , Stators

Aerodynamic Optimization of a Winglet-Shroud Tip Geometry for a Linear Turbine Cascade

Min Zhang, Yan Liu, Tianlong Zhang, Mengchao Zhang, Ying He

J. Turbomach. October 2017, 139(10): 101011. doi: https://doi.org/10.1115/1.4036647

Abstract

View articletitled, Aerodynamic Optimization of a Winglet-Shroud Tip Geometry for a Linear Turbine Cascade

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Topics: Blades , Cascades (Fluid dynamics) , Flow (Dynamics) , Geometry , Pressure , Turbines , Linkages , Vortices , Leakage

Two-Scale Methodology for URANS/Large Eddy Simulation Solutions of Unsteady Turbomachinery Flows

L. He, J. Yi

J. Turbomach. October 2017, 139(10): 101012. doi: https://doi.org/10.1115/1.4036765

Abstract

View articletitled, Two-Scale Methodology for URANS/Large Eddy Simulation Solutions of Unsteady Turbomachinery Flows

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Topics: Flow (Dynamics) , Stress , Blades , Turbulence , Turbomachinery

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Research Papers

Effect of Reynolds Number, Hole Patterns, and Target Plate Thickness on the Cooling Performance of an Impinging Jet Array—Part II: Conjugate Heat Transfer Results and Optimization

Mach Number Distribution and Profile Losses for Low-Pressure Turbine Profiles With High Diffusion Factors

Clocking in Low-Pressure Turbines

Aerothermal Performance of a Nozzle Vane Cascade With a Generic Nonuniform Inlet Flow Condition—Part II: Influence of Purge and Film Cooling Injection

Accounting for Uncontrolled Variations in Low-Speed Turbine Experiments

Experimental Assessment of Noise Generation and Transmission in a High-Pressure Transonic Turbine Stage

Experimental and Numerical Verification of an Optimization of a Fast Rotating High-Performance Radial Compressor Impeller

Adiabatic Film Cooling Effectiveness Measurements Throughout Multirow Film Cooling Arrays

Effects of Tip Gap Size on the Aerodynamic Performance of a Cavity-Winglet Tip in a Turbine Cascade

Effects of Radial Loading Distribution on Partial-Surge-Initiated Instability in a Transonic Axial Flow Compressor

Aerodynamic Optimization of a Winglet-Shroud Tip Geometry for a Linear Turbine Cascade

Two-Scale Methodology for URANS/Large Eddy Simulation Solutions of Unsteady Turbomachinery Flows

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