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Keywords: heat transfer and film cooling
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Journal Articles

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

Accepted Manuscript
Xing Yang, Hang Wu, Zhenping Feng
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-23-1339
https://doi.org/10.1115/1.4066739
Published Online: September 30, 2024
... in compressor and turbine components of gas turbine engines Heat transfer and film cooling Journal of Turbomachinery. Received November 30, 2023; Accepted manuscript posted September 24, 2024. doi:10.1115/1.4066739 Copyright © 2024 by ASME Conjugate Heat Transfer Validation of an Optimized Film Cooling...
View Article titled, Conjugate Heat Transfer Validation of an Optimized Film Cooling Configuration for a Turbine Vane Endwall
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Topics: Film cooling, Heat transfer, Turbines, Turbochargers
Journal Articles

Spectral Heat Transfer Coefficient (SHTC) for Thermal Design Analysis - Part 1: Augmenting the Cooling Law for Non-isothermal Wall

Accepted Manuscript
L. He
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1159
https://doi.org/10.1115/1.4066671
Published Online: September 25, 2024
... by) the velocity field. Contributed by the International Gas Turbine Institute (IGTI) of ASME for publication in the J ournal of T urbomachinery . 12 07 2024 18 09 2024 18 09 2024 25 09 2024 Email: li.he@eng.ox.ac.uk Computational Fluid Dynamics (CFD) Heat transfer...
View Article titled, Spectral Heat Transfer Coefficient (SHTC) for Thermal Design Analysis - Part 1: Augmenting the Cooling Law for Non-isothermal Wall
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Topics: Cooling, Design, Heat transfer coefficients, Turbochargers, Temperature, Computational fluid dynamics, Flow (Dynamics), Film cooling, Heat, Heat transfer
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
... Dynamics (CFD) Heat transfer and film cooling Turbomachinery blading design Journal of Turbomachinery. Received July 12, 2024; Accepted manuscript posted September 18, 2024. doi:10.1115/1.4066672 CopyriJgohutrn©al2o0f2T4ubryboAmSaMchEin;erreyuse license CC-BY 4.0 Spectral Heat Transfer Coefficient...
View Article titled, Spectral Heat Transfer Coefficient (SHTC) for Thermal Design Analysis - Part 2: Leveraging Diabatic Wall Conditioning for Nonlinear Regime
Open the PDF for Spectral Heat Transfer Coefficient (SHTC) for Thermal Design Analysis - Part 2: Leveraging Diabatic Wall Conditioning for Nonlinear Regime in another window
Topics: Design, Heat transfer, Heat transfer coefficients, Turbochargers, Temperature, Computational fluid dynamics, Blades, Cooling, Diffusion (Physics), Film cooling
Journal Articles

Assessment of Additive Manufactured Micro-Channel Characteristics: Impact of Hydraulic Diameter Evaluation

Accepted Manuscript
Tommaso Bacci, Alessio Picchi, Niccolò Castelli, Bruno Facchini, Francesco Morante, Luca Innocenti
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1181
https://doi.org/10.1115/1.4066700
Published Online: September 25, 2024
... transfer and film cooling Measurement techniques turbine blade and measurement advancements Journal of Turbomachinery. Received July 24, 2024; Accepted manuscript posted August 16, 2024. doi:10.1115/1.4066700 Copyright © 2024 by ASME Assessment of Additive Manufactured Micro-Channel Characteristics...
View Article titled, Assessment of Additive Manufactured Micro-Channel Characteristics: Impact of Hydraulic Diameter Evaluation
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Topics: Additive manufacturing, Heat transfer, Microchannels, Turbochargers, Cooling, Heat transfer coefficients, Pressure, Design, Film cooling, Fluids
Journal Articles

IMPACTS OF MATERIAL AND MACHINE ON THE VARIATION OF ADDITIVELY MANUFACTURED COOLING CHANNELS

Accepted Manuscript
Abbigail Altland, Thomas Corbett, Karen A. Thole
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1178
https://doi.org/10.1115/1.4066580
Published Online: September 18, 2024
...: tmc5980@psu.edu Email: kthole@psu.edu Contributed by the International Gas Turbine Institute (IGTI) of ASME for publication in the J ournal of T urbomachinery . 23 07 2024 06 09 2024 09 09 2024 18 09 2024 Heat transfer and film cooling Journal of Turbomachinery...
View Article titled, IMPACTS OF MATERIAL AND MACHINE ON THE VARIATION OF ADDITIVELY MANUFACTURED COOLING CHANNELS
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Topics: Additive manufacturing, Cooling, Heat transfer, Machinery, Turbochargers, Surface roughness, Computerized tomography, Cross section (Physics), Diamonds, Film cooling
Journal Articles

FLOW AND HEAT TRANSFER IN A RIBBED CONVERGING-DIVERGING U-DUCT UNDER ROTATING AND NON-ROTATING CONDITIONS

Accepted Manuscript
Wanjae Kim, Tom I-P. Shih, Kenneth Mark Bryden, Richard Dalton, Sung Yong Chang, Gyu Sang Park
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1143
https://doi.org/10.1115/1.4066567
Published Online: September 18, 2024
... 21 08 2024 18 09 2024 Computational Fluid Dynamics (CFD) Heat transfer and film cooling Journal of Turbomachinery. Received July 04, 2024; Accepted manuscript posted August 21, 2024. doi:10.1115/1.4066567 Copyright © 2024 by ASME Revised Version (Section 4 Updated) Proceedings...
View Article titled, FLOW AND HEAT TRANSFER IN A RIBBED CONVERGING-DIVERGING U-DUCT UNDER ROTATING AND NON-ROTATING CONDITIONS
Open the PDF for FLOW AND HEAT TRANSFER IN A RIBBED CONVERGING-DIVERGING U-DUCT UNDER ROTATING AND NON-ROTATING CONDITIONS in another window
Topics: Ducts, Flow (Dynamics), Heat transfer, Turbochargers
Journal Articles

Scaling Heat Transfer and Pressure Losses of Novel Additively Manufactured Rib Designs

Accepted Manuscript
Thomas Corbett, Karen A. Thole
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1197
https://doi.org/10.1115/1.4066581
Published Online: September 18, 2024
... of T urbomachinery . 27 07 2024 05 09 2024 05 09 2024 18 09 2024 Computational Fluid Dynamics (CFD) Heat transfer and film cooling Office of Energy Efficiency and Renewable Energy 10.13039/100006134 DE-AC05-00OR22725 Journal of Turbomachinery. Received...
View Article titled, Scaling Heat Transfer and Pressure Losses of Novel Additively Manufactured Rib Designs
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Topics: Additive manufacturing, Heat transfer, Pressure, Turbochargers
Journal Articles

GEOMETRIC AND FLOW CHARACTERIZATION OF ADDITIVELY MANUFACTURED TURBINE BLADES WITH DRILLED FILM COOLING HOLES

Accepted Manuscript
Kelsey McCormack, Maria Rozman, Reid A. Berdanier, Karen A. Thole
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1198
https://doi.org/10.1115/1.4066561
Published Online: September 16, 2024
...: rberdanier@psu.edu Email: kthole@psu.edu Contributed by the International Gas Turbine Institute (IGTI) of ASME for publication in the J ournal of T urbomachinery . 28 07 2024 25 08 2024 26 08 2024 16 09 2024 Heat transfer and film cooling turbine blade...
View Article titled, GEOMETRIC AND FLOW CHARACTERIZATION OF ADDITIVELY MANUFACTURED TURBINE BLADES WITH DRILLED FILM COOLING HOLES
Open the PDF for GEOMETRIC AND FLOW CHARACTERIZATION OF ADDITIVELY MANUFACTURED TURBINE BLADES WITH DRILLED FILM COOLING HOLES in another window
Topics: Additive manufacturing, Film cooling, Flow (Dynamics), Turbine blades, Turbochargers
Journal Articles

IMPACT OF BLOWING AND DENSITY RATIO ON THE FILM COOLING AND HEAT TRANSFER 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-24-1201
https://doi.org/10.1115/1.4066562
Published Online: September 16, 2024
... HPT was operated upstream of the TCF, and the heat transfer and the purge film cooling effectiveness were measured at the aero design point (ADP) [1]. These first combined heat transfer and film cooling measurements of an aggressive TCF gave valuable insights into the aerothermal flow physics of TCFs...
View Article titled, IMPACT OF BLOWING AND DENSITY RATIO ON THE FILM COOLING AND HEAT TRANSFER IN AN AGGRESSIVE TURBINE CENTER FRAME
Open the PDF for IMPACT OF BLOWING AND DENSITY RATIO ON THE FILM COOLING AND HEAT TRANSFER IN AN AGGRESSIVE TURBINE CENTER FRAME in another window
Topics: Cavities, Density, Film cooling, Heat transfer, Turbines, Turbochargers
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
...: danielg7@utexas.edu Email: cyoon@utexas.edu Email: mfurges@utexas.edu Email: emv53@psu.edu 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...
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