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Journal Articles

Insights Into Turbocharger Centrifugal Compressor Stability Using High-Fidelity CFD and a Novel Impeller Diffusion Factor

Accepted Manuscript
Yiming Liu, Stephen W T Spence, John Horsley, Stuart Mann, Charles Stuart
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1242
https://doi.org/10.1115/1.4066742
Published Online: September 30, 2024
View Article titled, Insights Into Turbocharger Centrifugal Compressor Stability Using High-Fidelity CFD and a Novel Impeller Diffusion Factor
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Topics: Compressors, Computational fluid dynamics, Diffusion (Physics), Impellers, Stability, Surges, Turbochargers
Journal Articles

Spectral Heat Transfer Coefficient (SHTC) for Thermal Design Analysis - Part 2: Leveraging Diabatic Wall Conditioning for Nonlinear Regime

Accepted Manuscript
L. He
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1160
https://doi.org/10.1115/1.4066672
Published Online: September 25, 2024
View Article titled, Spectral Heat Transfer Coefficient (SHTC) for Thermal Design Analysis - Part 2: Leveraging Diabatic Wall Conditioning for Nonlinear Regime
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Topics: Design, Heat transfer, Heat transfer coefficients, Turbochargers, Temperature, Computational fluid dynamics, Blades, Cooling, Diffusion (Physics), Film cooling
Journal Articles

DEVELOPMENT OF AN ADDITIVELY MANUFACTURED STATIONARY DIFFUSION SYSTEM FOR A RESEARCH AEROENGINE CENTRIFUGAL COMPRESSOR

Accepted Manuscript
Jack T. Clement, Adam T. Coon, Nicole L. Key
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1222
https://doi.org/10.1115/1.4066563
Published Online: September 16, 2024
View Article titled, DEVELOPMENT OF AN ADDITIVELY MANUFACTURED STATIONARY DIFFUSION SYSTEM FOR A RESEARCH AEROENGINE CENTRIFUGAL COMPRESSOR
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Topics: Additive manufacturing, Compressors, Diffusion (Physics), Turbochargers
Journal Articles

Effects of Ribbed Crossflow Channel in a Turbine Blade on Film Cooling Performance of Diffusion Slot Holes with Various Cross Section Orientations

Jia-Jun Hu, Bai-Tao An
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2025, 147(1): 011003.
Paper No: TURBO-23-1304
https://doi.org/10.1115/1.4066144
Published Online: September 3, 2024
View Article titled, Effects of Ribbed Crossflow Channel in a Turbine Blade on Film Cooling Performance of Diffusion Slot Holes with Various Cross Section Orientations
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Topics: Blades, Coolants, Diffusion (Physics), Discharge coefficient, Fans, Film cooling, Flow (Dynamics), Pressure, Rotors, Turbine blades
Journal Articles

Experimental Investigation of Additional Loss Associated With Incoming Wakes in Low-Pressure Turbine Cascades

Hidekazu Kodama, Ken-ichi Funazaki
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2024, 146(5): 051013.
Paper No: TURBO-23-1274
https://doi.org/10.1115/1.4064318
Published Online: January 16, 2024
View Article titled, Experimental Investigation of Additional Loss Associated With Incoming Wakes in Low-Pressure Turbine Cascades
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Topics: Blades, Cascades (Fluid dynamics), Flow (Dynamics), Pressure, Reynolds number, Suction, Turbines, Wakes, Unsteady flow, Boundary layers
Journal Articles

Numerical Investigation of the Influence of the Degree of Reaction in an Axial Compressor Stage With Tandem Vanes

Samuele Giannini, Guilherme M. Luz, Philipp von Jeinsen, Mattia Straccia, Volker Gümmer
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. December 2023, 145(12): 121008.
Paper No: TURBO-23-1151
https://doi.org/10.1115/1.4063513
Published Online: October 19, 2023
View Article titled, Numerical Investigation of the Influence of the Degree of Reaction in an Axial Compressor Stage With Tandem Vanes
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Topics: Compressors, Design, Diffusion (Physics), Flow (Dynamics), Pressure, Rotors, Stators, Blades, Computational fluid dynamics, Airfoils
Journal Articles

Film Cooling Effectiveness on Pressure Surface and Suction Surface of Turbine Guide Vane With Diffusion Slot Holes

Jia-Jun Hu, Bai-Tao An
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2023, 145(10): 101007.
Paper No: TURBO-22-1354
https://doi.org/10.1115/1.4062805
Published Online: August 16, 2023
View Article titled, Film Cooling Effectiveness on Pressure Surface and Suction Surface of Turbine Guide Vane With Diffusion Slot Holes
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Topics: Diffusion (Physics), Film cooling, Pressure, Suction, Turbines, Coolants
Journal Articles

Study on Effects of Spanwise-Expansion Parameters on Film Cooling Effectiveness of Diffusion Shaped Hole Configurations

Cun-Liang Liu, Bing-Ran Li, Hui Song, Lei Chen, Rui Wang, Yong-Ming Wang, Da-Peng Liang
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2023, 145(1): 011003.
Paper No: TURBO-22-1014
https://doi.org/10.1115/1.4055440
Published Online: October 7, 2022
View Article titled, Study on Effects of Spanwise-Expansion Parameters on Film Cooling Effectiveness of Diffusion Shaped Hole Configurations
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Topics: Diffusion (Physics), Film cooling, Flow (Dynamics), Momentum, Computer simulation, Coolants, Cooling
Journal Articles

On Choosing the Optimal Impeller Exit Velocity Triangles in Preliminary Design

Fangyuan Lou, Nicole L. Key
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. November 2022, 144(11): 111011.
Paper No: TURBO-22-1110
https://doi.org/10.1115/1.4055151
Published Online: September 13, 2022
View Article titled, On Choosing the Optimal Impeller Exit Velocity Triangles in Preliminary Design
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Topics: Design, Impellers, Pressure, Diffusion (Physics)
Journal Articles

Effect of Coolant Crossflow on Film Cooling Effectiveness of Diffusion Slot Hole With and Without Ribs

Chen Li, Baitao An, Jianjun Liu
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2022, 144(9): 091005.
Paper No: TURBO-20-1191
https://doi.org/10.1115/1.4053915
Published Online: March 4, 2022
View Article titled, Effect of Coolant Crossflow on Film Cooling Effectiveness of Diffusion Slot Hole With and Without Ribs
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Topics: Coolants, Diffusion (Physics), Film cooling, Cooling, Pressure, Flow (Dynamics)
Journal Articles

Aerodynamic Influence of a Bleed on the Last Stage of a Low-Pressure Compressor and S-Duct

Apostolos Spanelis, A. Duncan Walker
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. February 2022, 144(2): 021007.
Paper No: TURBO-20-1157
https://doi.org/10.1115/1.4052134
Published Online: September 27, 2021
View Article titled, Aerodynamic Influence of a Bleed on the Last Stage of a Low-Pressure Compressor and S-Duct
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Topics: Compressors, Diffusion (Physics), Ducts, Flow (Dynamics), Pressure, Rotors, Geometry
Journal Articles

On the Correlation Between Spanwise Inducer Incidence and Impeller Diffusion for Ruled Surface and Barreled Sweep-Bow Impeller Design at Inlet Guide Vane-Off-Design

A. Hildebrandt, T. Ceyrowsky, J. Klausmann, K. A. Metz
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. February 2022, 144(2): 021005.
Paper No: TURBO-21-1079
https://doi.org/10.1115/1.4052213
Published Online: September 27, 2021
View Article titled, On the Correlation Between Spanwise Inducer Incidence and Impeller Diffusion for Ruled Surface and Barreled Sweep-Bow Impeller Design at Inlet Guide Vane-Off-Design
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Topics: Computational fluid dynamics, Flow (Dynamics), Impellers, Inlet guide vanes, Design, Diffusion (Physics)
Journal Articles

Deposition of Fuel Impurities Within Thermal Barrier Coatings in Gas Turbine Hot Gas Paths

Christian Holländer, Werner Stamm, Oliver Lüsebrink, Harald Harders, Lorenz Singheiser
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2021, 143(10): 101015.
Paper No: TURBO-21-1020
https://doi.org/10.1115/1.4050947
Published Online: May 19, 2021
View Article titled, Deposition of Fuel Impurities Within Thermal Barrier Coatings in Gas Turbine Hot Gas Paths
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Topics: Diffusion (Physics), Gas turbines, Silicon, Sulfur, Temperature, Equilibrium (Physics), Pressure, Fuels, Thermal barrier coatings
Journal Articles

Experimental Investigation of Film Cooling Performance on Blade Endwall With Diffusion Slot Holes and Stator–Rotor Purge Flow

Zhiqiang Yu, Jianjun Liu, Chen Li, Baitao An, Guangyao Xu
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2021, 143(5): 051009.
Paper No: TURBO-20-1245
https://doi.org/10.1115/1.4050120
Published Online: April 7, 2021
View Article titled, Experimental Investigation of Film Cooling Performance on Blade Endwall With Diffusion Slot Holes and Stator–Rotor Purge Flow
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Topics: Blades, Coolants, Diffusion (Physics), Film cooling, Flow (Dynamics), Cooling, Pressure
Journal Articles

Scalar Diffusion Equation-Based Model to Predict 2-Dimensional Film Cooling Effectiveness of a Shaped Hole

Ziyu Chen, Yifei Li, Xinrong Su, Xin Yuan
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2021, 143(4): 041005.
Paper No: TURBO-20-1096
https://doi.org/10.1115/1.4049782
Published Online: March 22, 2021
View Article titled, Scalar Diffusion Equation-Based Model to Predict 2-Dimensional Film Cooling Effectiveness of a Shaped Hole
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Topics: Diffusion (Physics), Film cooling, Flow (Dynamics), Scalars, Turbulence, Coolants
Journal Articles

Scaling of Incidence Variations With Inlet Distortion for a Transonic Axial Compressor

D. J. Hill, J. J. Defoe
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. February 2020, 142(2): 021003.
Paper No: TURBO-18-1263
https://doi.org/10.1115/1.4045464
Published Online: January 24, 2020
View Article titled, Scaling of Incidence Variations With Inlet Distortion for a Transonic Axial Compressor
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Topics: Blades, Compressors, Flow (Dynamics), Inflow, Pressure, Rotors, Stators, Design, Diffusion (Physics)
Journal Articles

One-Dimensional and Three-Dimensional Design Strategies for Pressure Slope Optimization of High-Flow Transonic Centrifugal Compressor Impellers

A. Hildebrandt, T. Ceyrowsky
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. May 2019, 141(5): 051002.
Paper No: TURBO-18-1135
https://doi.org/10.1115/1.4041907
Published Online: January 21, 2019
View Article titled, One-Dimensional and Three-Dimensional Design Strategies for Pressure Slope Optimization of High-Flow Transonic Centrifugal Compressor Impellers
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Topics: Blades, Computational fluid dynamics, Design, Flow (Dynamics), Impellers, Optimization, Pressure, Diffusion (Physics), Diffusers, Vaneless diffusers
Journal Articles

Unsteady Effects on the Experimental Determination of Overall Effectiveness

James L. Rutledge, William P. Baker
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. December 2018, 140(12): 121005.
Paper No: TURBO-18-1203
https://doi.org/10.1115/1.4041233
Published Online: October 15, 2018
View Article titled, Unsteady Effects on the Experimental Determination of Overall Effectiveness
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Topics: Boundary-value problems, Engines, Film cooling, Temperature, Simulation, Fluctuations (Physics), Flow (Dynamics), Thermal conductivity, Heat, Low temperature
Journal Articles

Applying Machine Learnt Explicit Algebraic Stress and Scalar Flux Models to a Fundamental Trailing Edge Slot

R. D. Sandberg, R. Tan, J. Weatheritt, A. Ooi, A. Haghiri, V. Michelassi, G. Laskowski
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. October 2018, 140(10): 101008.
Paper No: TURBO-18-1202
https://doi.org/10.1115/1.4041268
Published Online: September 28, 2018
View Article titled, Applying Machine Learnt Explicit Algebraic Stress and Scalar Flux Models to a Fundamental Trailing Edge Slot
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Topics: Anisotropy, Heat flux, Large eddy simulation, Reynolds-averaged Navier–Stokes equations, Scalars, Stress, Tensors, Turbulence, Eddies (Fluid dynamics), Algebra
Journal Articles

Fan Performance Scaling With Inlet Distortions

J. J. Defoe, M. Etemadi, D. K. Hall
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. July 2018, 140(7): 071009.
Paper No: TURBO-18-1016
https://doi.org/10.1115/1.4039433
Published Online: June 22, 2018
View Article titled, Fan Performance Scaling With Inlet Distortions
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Topics: Diffusion (Physics), Flow (Dynamics), Pressure, Rotors, Stators, Enthalpy, Temperature