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Journal Articles

Conjugate Heat Transfer Validation of an Optimized Film Cooling Configuration for a Turbine Vane Endwall

Xing Yang, Hang Wu, Zhenping Feng
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2025, 147(3): 031011.
Paper No: TURBO-23-1339
https://doi.org/10.1115/1.4066739
Published Online: October 15, 2024
View Article titled, Conjugate Heat Transfer Validation of an Optimized Film Cooling Configuration for a Turbine Vane Endwall
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Topics: Computational fluid dynamics, Coolants, Cooling, Film cooling, Flow (Dynamics), Heat transfer, Pressure, Turbines, Jets, Design
Journal Articles

Investigating the Unsteady Dynamics of a Multi-Jet Impingement Cooling Flow Using Large Eddy Simulation

Christian Morsbach, Marcel Matha, Robin G. Brakmann, Sadiya Tabassum, Michael Bergmann, Michael Schroll, Christian Willert, Edmund Kügeler
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2025, 147(3): 031002.
Paper No: TURBO-24-1139
https://doi.org/10.1115/1.4066508
Published Online: October 8, 2024
View Article titled, Investigating the Unsteady Dynamics of a Multi-Jet Impingement Cooling Flow Using Large Eddy Simulation
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Topics: Cross-flow, Dynamics (Mechanics), Flow (Dynamics), Inflow, Jets, Large eddy simulation, Temperature, Turbulence, Impingement cooling, Heat transfer
Journal Articles

A New Perspective on Internal Turbine Blade Cooling by Perforated Blockages and Pin-Fins

S. W. Schekman, T. Kim
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. November 2024, 146(11): 111006.
Paper No: TURBO-23-1085
https://doi.org/10.1115/1.4065616
Published Online: June 17, 2024
View Article titled, A New Perspective on Internal Turbine Blade Cooling by Perforated Blockages and Pin-Fins
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Topics: Cooling, Fins, Flow (Dynamics), Heat transfer, Jets
Journal Articles

Conjugate Heat Transfer Characteristics of a Film-Cooled Turbine Blade Leading Edge With Staggered-Oblique Impinging Jets

Li Hongye, Du Qiang, Xu Qingzong, Xu Guangyao, Liu Haoyang, Chen Dawei
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. November 2023, 145(11): 111008.
Paper No: TURBO-23-1067
https://doi.org/10.1115/1.4063367
Published Online: October 4, 2023
View Article titled, Conjugate Heat Transfer Characteristics of a Film-Cooled Turbine Blade Leading Edge With Staggered-Oblique Impinging Jets
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Topics: Cooling, Film cooling, Flow (Dynamics), Heat transfer, Turbine blades, Jets, Adiabatic cooling, Coolants, Reynolds number, Blades
Journal Articles

Assessment of Computational Fluid Dynamic Modeling of Multi-Jet Impingement Cooling and Validation With the Experiments

Sadiya Tabassum, Michael Hilfer, Robin G. Brakmann, Christian Morsbach, Christian Willert, Marcel Matha, Michael Schroll
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2023, 145(7): 071005.
Paper No: TURBO-22-1332
https://doi.org/10.1115/1.4056715
Published Online: February 10, 2023
View Article titled, Assessment of Computational Fluid Dynamic Modeling of Multi-Jet Impingement Cooling and Validation With the Experiments
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Topics: Computational fluid dynamics, Engineering simulation, Flow (Dynamics), Heat transfer, Impingement cooling, Jets, Modeling, Reynolds-averaged Navier–Stokes equations, Simulation, Turbulence
Journal Articles

Experimental Study of Film Cooling With Favorable and Adverse Pressure Gradients

Ralph J. Volino, Matthew C. Gillcrist
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2023, 145(6): 061003.
Paper No: TURBO-22-1195
https://doi.org/10.1115/1.4056205
Published Online: December 6, 2022
View Article titled, Experimental Study of Film Cooling With Favorable and Adverse Pressure Gradients
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Topics: Boundary layers, Film cooling, Flow (Dynamics), Jets, Pressure gradient, Temperature, Heat transfer, Turbulence
Journal Articles

Reduced-Order Models for Effusion Modeling in Gas Turbine Combustors

Simone Paccati, Lorenzo Mazzei, Antonio Andreini, Bruno Facchini
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2022, 144(8): 081013.
Paper No: TURBO-21-1210
https://doi.org/10.1115/1.4053837
Published Online: March 4, 2022
View Article titled, Reduced-Order Models for Effusion Modeling in Gas Turbine Combustors
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Topics: Combustion chambers, Computational fluid dynamics, Coolants, Flow (Dynamics), Modeling, Reynolds-averaged Navier–Stokes equations, Simulation, Turbulence, Experimental design, Gas turbines
Journal Articles

Analysis of Swirl Number Effects on Effusion Flow Behavior Using Time-Resolved Particle Image Velocimetry

Tommaso Lenzi, Alessio Picchi, Antonio Andreini, Bruno Facchini
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2022, 144(8): 081001.
Paper No: TURBO-21-1275
https://doi.org/10.1115/1.4053490
Published Online: March 3, 2022
View Article titled, Analysis of Swirl Number Effects on Effusion Flow Behavior Using Time-Resolved Particle Image Velocimetry
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Topics: Coolants, Flow (Dynamics), Jets, Swirling flow, Tin, Turbulence, Oscillations
Journal Articles

Effect of Rotation on Heat Transfer in AR = 2:1 and AR = 4:1 Channels Connected by a Series of Crossover Jets

Srivatsan Madhavan, Prashant Singh, Srinath Ekkad
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2022, 144(6): 061011.
Paper No: TURBO-21-1200
https://doi.org/10.1115/1.4053237
Published Online: February 24, 2022
View Article titled, Effect of Rotation on Heat Transfer in AR = 2:1 and AR = 4:1 Channels Connected by a Series of Crossover Jets
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Topics: Heat transfer, Heat transfer coefficients, Jets, Rotation, Flow (Dynamics), Fins, Reynolds number, Liquid crystals
Journal Articles

Heat Transfer Measurements for Array Jet Impingement With Castellated Wall

Taehyun Kim, Eui Yeop Jung, Minho Bang, Changyong Lee, Hee Koo Moon, Hyung Hee Cho
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2022, 144(3): 031009.
Paper No: TURBO-21-1163
https://doi.org/10.1115/1.4052315
Published Online: October 5, 2021
View Article titled, Heat Transfer Measurements for Array Jet Impingement With Castellated Wall
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Topics: Flow (Dynamics), Heat, Heat transfer, Impingement cooling, Jets, Mass transfer, Reynolds number, Computational fluid dynamics, Cooling, Gas turbines
Journal Articles

Adiabatic Effectiveness and Thermal Field Measurements of a Shaped Hole in the Showerhead of a Model Turbine Blade

Jacob D. Moore, Matthew J. Horner, David G. Bogard
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2021, 143(9): 091017.
Paper No: TURBO-20-1332
https://doi.org/10.1115/1.4051557
Published Online: July 13, 2021
View Article titled, Adiabatic Effectiveness and Thermal Field Measurements of a Shaped Hole in the Showerhead of a Model Turbine Blade
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Topics: Blades, Coolants, Film cooling, Flow (Dynamics), Temperature, Pressure, Discharge coefficient, Jets, Turbine blades
Journal Articles

Comparison of Endwall Loss Reduction Techniques in a High-Lift Turbine Passage

Christopher R. Marks, Nathan Fletcher, Rolf Sondergaard
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2021, 143(9): 091007.
Paper No: TURBO-20-1389
https://doi.org/10.1115/1.4050599
Published Online: May 11, 2021
View Article titled, Comparison of Endwall Loss Reduction Techniques in a High-Lift Turbine Passage
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Topics: Flow (Dynamics), Jets, Pressure, Turbines, Vortices, Design, Cascades (Fluid dynamics), Separation (Technology), Blades, Suction
Journal Articles

High-Fidelity Simulations of Multi-Jet Impingement Cooling Flows

J. Javier Otero-Pérez, Richard D. Sandberg, Satoshi Mizukami, Koichi Tanimoto
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2021, 143(8): 081011.
Paper No: TURBO-20-1346
https://doi.org/10.1115/1.4050446
Published Online: May 3, 2021
View Article titled, High-Fidelity Simulations of Multi-Jet Impingement Cooling Flows
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Topics: Cross-flow, Flow (Dynamics), Heat transfer, Impingement cooling, Inflow, Simulation, Turbulence, Jets, Deflection
Journal Articles

Numerical Assessment of Density Ratio and Mainstream Turbulence Effects on Leading-Edge Film Cooling: Heat and Mass Transfer Methods

S. Ravelli, H. Abdeh, G. Barigozzi
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2021, 143(4): 041002.
Paper No: TURBO-20-1234
https://doi.org/10.1115/1.4049912
Published Online: March 22, 2021
View Article titled, Numerical Assessment of Density Ratio and Mainstream Turbulence Effects on Leading-Edge Film Cooling: Heat and Mass Transfer Methods
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Topics: Coolants, Film cooling, Turbulence, Density, Simulation, Pressure, Temperature, Engines, Jets, Cooling
Journal Articles

A Novel Multi-Stage Impingement Cooling Scheme—Part I: Concept Study

Kexin Liu, Qiang Zhang
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. December 2020, 142(12): 121008.
Paper No: TURBO-20-1007
https://doi.org/10.1115/1.4048183
Published Online: November 16, 2020
View Article titled, A Novel Multi-Stage Impingement Cooling Scheme—Part I: Concept Study
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Topics: Cooling, Design, Impingement cooling, Cross-flow, Computational fluid dynamics, Coolants, Flow (Dynamics), Jets
Journal Articles

Coolant Jets Interaction in Effusion Cooling System: Experimental and Numerical Study

Y. Jiang, A. V. Murray, P.T. Ireland, L. di Mare
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2020, 142(9): 091007.
Paper No: TURBO-20-1049
https://doi.org/10.1115/1.4047612
Published Online: August 24, 2020
View Article titled, Coolant Jets Interaction in Effusion Cooling System: Experimental and Numerical Study
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Topics: Boundary layers, Computational fluid dynamics, Coolants, Cooling, Film cooling, Flow (Dynamics), Jets, Temperature, Heat transfer, Cooling systems
Journal Articles

Large Eddy Simulation of Heat Transfer Within a Multi-Perforation Synthetic Jets Configuration

Soizic Esnault, Florent Duchaine, Laurent Gicquel, Stéphane Moreau
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2020, 142(6): 061010.
Paper No: TURBO-20-1005
https://doi.org/10.1115/1.4046545
Published Online: May 28, 2020
View Article titled, Large Eddy Simulation of Heat Transfer Within a Multi-Perforation Synthetic Jets Configuration
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Topics: Boundary layers, Cavities, Flow (Dynamics), Heat transfer, Jets, Large eddy simulation, Pistons, Simulation, Temperature, Turbulence
Journal Articles

Coolant Jets Blowing Across the Airfoil Stagnation Line to Enhance Film Effectiveness

Nicholas E. Holgate, Peter T. Ireland, Eduardo Romero
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2020, 142(6): 061005.
Paper No: TURBO-19-1083
https://doi.org/10.1115/1.4047129
Published Online: May 28, 2020
View Article titled, Coolant Jets Blowing Across the Airfoil Stagnation Line to Enhance Film Effectiveness
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Topics: Coolants, Film cooling, Flow (Dynamics), Jets, Airfoils
Journal Articles

Time-Resolved Flow Field Analysis of Effusion Cooling System With Representative Swirling Main Flow

T. Lenzi, L. Palanti, A. Picchi, T. Bacci, L. Mazzei, A. Andreini, B. Facchini
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2020, 142(6): 061008.
Paper No: TURBO-19-1254
https://doi.org/10.1115/1.4046181
Published Online: May 28, 2020
View Article titled, Time-Resolved Flow Field Analysis of Effusion Cooling System With Representative Swirling Main Flow
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Topics: Computational fluid dynamics, Coolants, Flow (Dynamics), Jets, Swirling flow, Turbulence, Cooling, Pressure drop, Cooling systems, Vorticity
Journal Articles

Numerical Investigation on the Effect of Rotation and Holes Arrangement in Cold Bridge-Type Impingement Cooling Systems

Simone Paccati, Lorenzo Cocchi, Lorenzo Mazzei, Antonio Andreini
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2020, 142(4): 041004.
Paper No: TURBO-19-1265
https://doi.org/10.1115/1.4046454
Published Online: March 11, 2020
View Article titled, Numerical Investigation on the Effect of Rotation and Holes Arrangement in Cold Bridge-Type Impingement Cooling Systems
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Topics: Flow (Dynamics), Geometry, Heat transfer, Jets, Rotation, Turbulence, Simulation, Bridges (Structures), Reynolds-averaged Navier–Stokes equations, Cavities