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Keywords: Heat transfer and film cooling
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Journal Articles

Investigating the unsteady dynamics of a multi-jet impingement cooling flow using large eddy simulation

Accepted Manuscript
Christian Morsbach, Marcel Matha, Robin Georg Brakmann, Sadiya Tabassum, Michael Bergmann, Michael Schroll, Christian Willert, Edmund Kuegeler
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1139
https://doi.org/10.1115/1.4066508
Published Online: September 11, 2024
... urbomachinery . 01 07 2024 05 08 2024 07 08 2024 11 09 2024 Computational Fluid Dynamics (CFD) fluid dynamics and heat transfer phenomena in compressor and turbine components of gas turbine engines Heat transfer and film cooling Accepted Manuscript Not Copyedited Journal...
View Article titled, Investigating the unsteady dynamics of a multi-jet impingement cooling flow using large eddy simulation
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Topics: Dynamics (Mechanics), Flow (Dynamics), Heat transfer, Impingement cooling, Large eddy simulation, Turbochargers, Jets, Computational fluid dynamics, Cross-flow, Compressors
Journal Articles

Film Superposition Characteristics With Laidback Fan-Shaped Holes Under the Influence of Internal Crossflow

Liu Haoyang, Du Qiang, Xu Qingzong, Xu Jiawei, Xu Guangyao, Li Hongye, Wang Pengfei
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. February 2025, 147(2): 021004.
Paper No: TURBO-24-1135
https://doi.org/10.1115/1.4066274
Published Online: September 10, 2024
..., finding that the bias of the cooling jet was most significant at a crossflow velocity ratio of 0.4, at which point the film cooling effectiveness was significantly reduced. heat transfer and film cooling Graphical Abstract Figure 30 06 2024 25 07 2024 25 07 2024 10...
View Article titled, Film Superposition Characteristics With Laidback Fan-Shaped Holes Under the Influence of Internal Crossflow
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Topics: Coolants, Film cooling, Cooling
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
... effectiveness crossflow diffusion slot hole turbine blade gas turbine heat transfer and film cooling The inlet temperature of the current gas turbine has steadily been increased to a notably high level for improved thermal efficiency and power density. To achieve the needed cooling effectiveness...
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

Investigation of the Discharge Coefficient for Laidback Fan-Shaped Holes on Turbine Blades Under Internal Crossflow Condition

Haoyang Liu, Qiang Du, Qingzong Xu, Hongye Li, Guangyao Xu
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2025, 147(1): 011005.
Paper No: TURBO-24-1087
https://doi.org/10.1115/1.4066145
Published Online: September 3, 2024
... 23 07 2024 03 09 2024 Graphical Abstract Figure computational fluid dynamics (CFD) heat transfer and film cooling turbine blade and measurement advancements National Natural Science Foundation of China 10.13039/501100001809 52106064 Film cooling...
View Article titled, Investigation of the Discharge Coefficient for Laidback Fan-Shaped Holes on Turbine Blades Under Internal Crossflow Condition
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Topics: Blades, Coolants, Discharge coefficient, Flow (Dynamics), Pressure, Suction, Turbine blades, Reynolds number
Journal Articles

Aerothermal Performance of Slashface Leakage With Double Surface Angle Under Realistic Swirling Inflow

Zhiyu Li, Kaiyuan Zhang, Zhigang Li, Jun Li
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2025, 147(1): 011011.
Paper No: TURBO-24-1162
https://doi.org/10.1115/1.4066272
Published Online: September 3, 2024
... of T urbomachinery . 14 07 2024 30 07 2024 30 07 2024 03 09 2024 Graphical Abstract Figure turbine vane endwall swirling flow slashface leakage heat transfer and film cooling To reduce pollutant emissions, lean-premixed combustors are used...
View Article titled, Aerothermal Performance of Slashface Leakage With Double Surface Angle Under Realistic Swirling Inflow
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Topics: Cascades (Fluid dynamics), Coolants, Design, Film cooling, Flow (Dynamics), Heat transfer, Inflow, Leakage, Pressure, Swirling flow
Journal Articles

Characteristics of Deterministic and Stochastic Unsteadiness of Trailing Edge Cutback Film Cooling Flows

Xiao He, Francesco Montomoli, Vittorio Michelassi, Andrea Panizza, Leonardo Pulga
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2025, 147(1): 011009.
Paper No: TURBO-24-1115
https://doi.org/10.1115/1.4066276
Published Online: September 3, 2024
... Abstract Figure computational fluid dynamics (CFD) fluid dynamics and heat transfer phenomena in compressor and turbine components of gas turbine engines heat transfer and film cooling Baker Hughes 10.13039/100006487 PA3111 Future trends toward efficient and clean energy...
View Article titled, Characteristics of Deterministic and Stochastic Unsteadiness of Trailing Edge Cutback Film Cooling Flows
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Topics: Anisotropy, Cooling, Film cooling, Flow (Dynamics), Heat flux, Reynolds-averaged Navier–Stokes equations, Stress tensors, Turbulence, Vortex shedding, Kinetic energy
Journal Articles

IMPACT OF TURBINE-STRUT CLOCKING AND TURBINE OUTLET SWIRL ON THE HEAT TRANSFER AND FILM COOLING IN AN AGGRESSIVE TURBINE CENTER FRAME

Accepted Manuscript
Patrick R. Jagerhofer, Tobias Glasenapp, Bastian Patzer, Emil Goettlich
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1202
https://doi.org/10.1115/1.4066408
Published Online: August 30, 2024
... deviations. However, the effects on the local heat transfer and film cooling distributions were more significant. Email: patrick.jagerhofer@tugraz.at Email: Tobias.Glasenapp@mtu.de Email: bastian.patzer@mtu.de Email: emil.goettlich@tugraz.at Contributed by the International Gas Turbine...
View Article titled, IMPACT OF TURBINE-STRUT CLOCKING AND TURBINE OUTLET SWIRL ON THE <span class="search-highlight">HEAT</span> <span class="search-highlight">TRANSFER</span> AND <span class="search-highlight">FILM</span> <span class="search-highlight">COOLING</span> IN AN AGGRESSIVE TURBINE CENTER FRAME
Open the PDF for IMPACT OF TURBINE-STRUT CLOCKING AND TURBINE OUTLET SWIRL ON THE <span class="search-highlight">HEAT</span> <span class="search-highlight">TRANSFER</span> AND <span class="search-highlight">FILM</span> <span class="search-highlight">COOLING</span> IN AN AGGRESSIVE TURBINE CENTER FRAME in another window
Topics: Film cooling, Heat transfer, Struts (Engineering), Turbines, Turbochargers
Journal Articles

Impact of Lean-Burn Combustor Flow on Nozzle Guide Vane Performance

Jonas Amend, Nafiz Chowdhury, Thomas Povey
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2025, 147(1): 011001.
Paper No: TURBO-23-1329
https://doi.org/10.1115/1.4065701
Published Online: August 6, 2024
...: thomas.povey@eng.ox.ac.uk 20 11 2023 22 04 2024 22 04 2024 06 08 2024 Graphical Abstract Figure computational fluid dynamics (CFD) fluid dynamics and heat transfer phenomena in compressor and turbine components of gas turbine engines heat transfer and film cooling...
View Article titled, Impact of Lean-Burn Combustor Flow on Nozzle Guide Vane Performance
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Topics: Combustion chambers, Computational fluid dynamics, Coolants, Flow (Dynamics), Nozzle guide vanes, Temperature, Turbulence, Pressure
Journal Articles

A Superposition Technique for Predicting Overall Effectiveness With Multiple Sources of Individually Characterized Internal and External Coolant Flows

Matthew N. Fuqua, James L. Rutledge
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. December 2024, 146(12): 121008.
Paper No: TURBO-23-1115
https://doi.org/10.1115/1.4065746
Published Online: July 23, 2024
...: james.rutledge.3@us.af.mil Email: matthew.fuqua@us.af.mil heat transfer and film cooling References [1] Bogard , D. G. , and Thole , K. A. , 2006 , “ Gas Turbine Film Cooling ,” J. Propul. Power , 22 ( 2 ), pp. 249 – 270 . 10.2514/1.18034 [2] Gao , Z...
View Article titled, A Superposition Technique for Predicting Overall Effectiveness With Multiple Sources of Individually Characterized Internal and External Coolant Flows
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Topics: Coolants, Temperature, Cooling, Film cooling, Flow (Dynamics)
Journal Articles

Considerations for Compressible Film Cooling: A Computational Study of the Effects of Transonic Flows and Varying Mainstream Mach Number

Dale W. Fox, Michael Furgeson, David G. Bogard
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. December 2024, 146(12): 121002.
Paper No: TURBO-23-1286
https://doi.org/10.1115/1.4065776
Published Online: July 15, 2024
.... , 2020 , “ Theory of Non-Dimensional Groups in Film Effectiveness Studies ,” ASME J. Turbomach. , 142 ( 4 ), p. 041002 . 10.1115/1.4046277 computational fluid dynamics (CFD) fluid dynamics and heat transfer phenomena in compressor and turbine components of gas turbine engines heat transfer...
View Article titled, Considerations for Compressible Film Cooling: A Computational Study of the Effects of Transonic Flows and Varying Mainstream Mach Number
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Topics: Film cooling, Flow (Dynamics), Mach number, Temperature, Coolants, Simulation
Journal Articles

Evaluation of Adjoint-Optimized Holes—Part I Baseline Performance

Daniel Gutierrez, Christopher Yoon, Michael T. Furgeson, Emma M. Veley, David G. Bogard, Karen A. Thole
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. November 2024, 146(11): 111010.
Paper No: TURBO-22-1271
https://doi.org/10.1115/1.4056390
Published Online: June 27, 2024
...@psu.edu 25 08 2022 18 11 2022 21 11 2022 27 06 2024 heat transfer and film cooling turbine blade and measurement advancements turbomachinery blading design U.S. Department of Energy 10.13039/100000015 DE-FE0031760 This paper describes an experimental...
View Article titled, Evaluation of Adjoint-Optimized Holes—Part I Baseline Performance
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Topics: Coolants, Cooling, Design, Discharge coefficient, Engines, Film cooling, Flow (Dynamics), Metals, Optimization
Journal Articles

Aerothermal Performance Robustness and Reliability Analysis of Turbine Blade Squealer Tip With Film Cooling

Ming Huang, Kaiyuan Zhang, Zhigang Li, Jun Li
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. November 2024, 146(11): 111011.
Paper No: TURBO-23-1088
https://doi.org/10.1115/1.4064081
Published Online: June 25, 2024
... and turbine components of gas turbine engines heat transfer and film cooling References [1] Bunker , R. S. , Bailey , J. C. , and Ameri , A. A. , 2000 , “ Heat Transfer and Flow on the First-Stage Blade Tip of a Power Generation Gas Turbine: Part 1—Experimental Results...
View Article titled, Aerothermal Performance Robustness and Reliability Analysis of Turbine Blade Squealer Tip With Film Cooling
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Topics: Algorithms, Blades, Clearances (Engineering), Cooling, Event history analysis, Film cooling, Flow (Dynamics), Heat flux, Heat transfer, Polynomials
Journal Articles

Film Cooling Performances Under Various Upstream Roughness Conditions: Experimental Investigations and Similarity Hypothesis

Weichen Huang, Kechen Wang, Fei Zeng, Wenbin Chen, Wenwu Zhou, Xin Wen, Di Peng, Yingzheng Liu
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. November 2024, 146(11): 111009.
Paper No: TURBO-23-1335
https://doi.org/10.1115/1.4065682
Published Online: June 18, 2024
... , 107 ( 1 ), pp. 111 – 116 . 10.1115/1.3239669 [10] Barlow , D. N. , and Kim , Y. W. , 1995 , “ Effect of Surface Roughness on Local Heat Transfer and Film Cooling Effectiveness ,” ASME 1995 International Gas Turbine and Aeroengine Congress and Exposition , Houston, TX , June 5–8...
View Article titled, Film Cooling Performances Under Various Upstream Roughness Conditions: Experimental Investigations and Similarity Hypothesis
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Topics: Cooling, Film cooling, Surface roughness, Turbines
Journal Articles

Action Mechanism of Film Extraction on Channel Impingement Cooling for Blade Leading Edge Using Large Eddy Simulation

Huihui Wang, Xiying Niu, Qinghua Deng, Zhenping Feng
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2024, 146(10): 101010.
Paper No: TURBO-24-1012
https://doi.org/10.1115/1.4065396
Published Online: May 8, 2024
... transfer large eddy simulation fluid dynamics and heat transfer phenomena in compressor and turbine components of gas turbine engines heat transfer and film cooling Increasing the turbine inlet temperature is a primary approach to improving power output and thermal efficiency of gas turbine...
View Article titled, Action Mechanism of Film Extraction on Channel Impingement Cooling for Blade Leading Edge Using Large Eddy Simulation
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Topics: Blades, Coolants, Cooling, Flow (Dynamics), Heat transfer, Impingement cooling, Large eddy simulation, Vortices, Pressure, Film cooling
Journal Articles

Experimental Investigation of Tip Design Effects on the Unsteady Aerodynamics and Heat Transfer of a High-Speed Turbine

Bogdan C. Cernat, Sergio Lavagnoli
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2024, 146(9): 091008.
Paper No: TURBO-20-1377
https://doi.org/10.1115/1.4050443
Published Online: April 8, 2024
...) of ASME for publication in the J ournal of T urbomachinery . 16 11 2020 29 01 2021 29 01 2021 08 04 2024 computational fluid dynamics (CFD) fluid dynamics and heat transfer phenomena in compressor and turbine components of gas turbine engines heat transfer and film...
View Article titled, Experimental Investigation of Tip Design Effects on the Unsteady Aerodynamics and Heat Transfer of a High-Speed Turbine
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Topics: Blades, Flow (Dynamics), Heat transfer, Pressure, Rotors, Turbines, Heat flux, Design, Vortices
Journal Articles

Comparison of Eddy Viscosity Models for High Turbulence Nozzle Guide Vane Flows

Jonas Amend, Thomas Povey
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2024, 146(8): 081004.
Paper No: TURBO-23-1103
https://doi.org/10.1115/1.4064484
Published Online: March 12, 2024
... urbomachinery . 22 06 2023 09 11 2023 09 11 2023 12 03 2024 Graphical Abstract Figure boundary layer development computational fluid dynamics (CFD) fluid dynamics and heat transfer phenomena in compressor and turbine components of gas turbine engines heat transfer...
View Article titled, Comparison of Eddy Viscosity Models for High Turbulence Nozzle Guide Vane Flows
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Topics: Flow (Dynamics), Turbulence, Wakes, Eddies (Fluid dynamics), Viscosity, Computational fluid dynamics, Nozzle guide vanes, Shear stress
Journal Articles

Effect of the Key Geometry and Flow Parameters on Discharge Coefficient of Laidback Fan-Shaped Hole Under Coolant Crossflow Condition

Liu Haoyang, Du Qiang, Xu Qingzong, Xu Guangyao, Li Hongye, Chen Dawei, Liu Song, Wang Siyi
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2024, 146(8): 081006.
Paper No: TURBO-23-1097
https://doi.org/10.1115/1.4064837
Published Online: March 12, 2024
... Email: liusongkmust@163.com Email: 82234339@qq.com 08 06 2023 16 02 2024 20 02 2024 12 03 2024 Graphical Abstract Figure fluid dynamics and heat transfer phenomena in compressor and turbine components of gas turbine engines heat transfer and film cooling...
View Article titled, Effect of the Key Geometry and Flow Parameters on Discharge Coefficient of Laidback Fan-Shaped Hole Under Coolant Crossflow Condition
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Topics: Coolants, Discharge coefficient, Flow (Dynamics), Pressure, Reynolds number
Journal Articles

Impacts of Superalloys on the Surface Quality of Additively Manufactured Channels

Thomas M. Corbett, Karen A. Thole, Daniel Ryan, Sudhakar Bollapragada
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2024, 146(8): 081003.
Paper No: TURBO-23-1213
https://doi.org/10.1115/1.4064468
Published Online: March 11, 2024
... Figure heat transfer and film cooling U.S. Department of Energy 10.13039/100000015 DE-AC05-00OR22725 Improving the efficiency of gas turbine engines by even a small amount can result in substantial reductions in fuel consumed to either generate thrust for aerospace...
View Article titled, Impacts of Superalloys on the Surface Quality of Additively Manufactured Channels
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Topics: Additive manufacturing, Alloys, Cooling, Design, Flow (Dynamics), Friction, Heat transfer, Lasers, Nickel alloys, Pressure
Journal Articles

Evaluation of Cooling Requirements for Rotating Detonation Combustors

Umberto Sandri, Shreyas Ramanagar Sridhara, Antonio Andreini, Myles D. Bohon, A. Picchi, B. Facchini
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2024, 146(5): 051004.
Paper No: TURBO-23-1230
https://doi.org/10.1115/1.4064260
Published Online: January 16, 2024
...: alessio.picchi@unifi.it Email: bruno.facchini@unifi.it Contributed by the International Gas Turbine Institute (IGTI) of ASME for publication in the J ournal of T urbomachinery . 11 09 2023 07 11 2023 07 11 2023 16 01 2024 heat transfer and film cooling RDC PGC liner...
View Article titled, Evaluation of Cooling Requirements for Rotating Detonation Combustors
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Topics: Combustion chambers, Cooling, Explosions, Flow (Dynamics), Pressure, Thermal loads, Heat, Stress, Convection, Temperature
Journal Articles

TPIV Experimental Investigation of Film Coolant-to-Mainstream Interaction From Shaped Cooling Holes With Various Inlet Geometries

Hanlin Wang, Lesley M. Wright
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2024, 146(5): 051006.
Paper No: TURBO-23-1324
https://doi.org/10.1115/1.4064261
Published Online: January 16, 2024
... transfer phenomena in compressor and turbine components of gas turbine engines heat transfer and film cooling measurement techniques As the gas turbine is an established engine for power generation and propulsion, the quest to seek higher efficiency and power output is ongoing. Laws...
View Article titled, TPIV Experimental Investigation of Film Coolant-to-Mainstream Interaction From Shaped Cooling Holes With Various Inlet Geometries
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Topics: Coolants, Cooling, Film cooling, Flow (Dynamics), Imaging, Momentum, Particulate matter, Turbulence, Vortices, Vorticity