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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
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
View Article titled, Spectral Heat Transfer Coefficient (SHTC) for Thermal Design Analysis - Part 1: Augmenting the Cooling Law for Non-isothermal Wall
Open the PDF for Spectral Heat Transfer Coefficient (SHTC) for Thermal Design Analysis - Part 1: Augmenting the Cooling Law for Non-isothermal Wall in another window
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
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
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
View Article titled, IMPACTS OF MATERIAL AND MACHINE ON THE VARIATION OF ADDITIVELY MANUFACTURED COOLING CHANNELS
Open the PDF for IMPACTS OF MATERIAL AND MACHINE ON THE VARIATION OF ADDITIVELY MANUFACTURED COOLING CHANNELS in another window
Topics: Additive manufacturing, Cooling, Heat transfer, Machinery, Turbochargers, Surface roughness, Computerized tomography, Cross section (Physics), Diamonds, Film cooling
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
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
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
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

Understanding Unsteady Vortex Structure and Shedding Frequency of Cylindrical Hole Film Cooling: Insights From Experimental and Numerical Approaches

Qiong Wu, Hualiang Zhang, Zhao Yin, Afei Gao, Yu Liu, Yujie Xu, Haisheng Chen
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. February 2025, 147(2): 021003.
Paper No: TURBO-24-1033
https://doi.org/10.1115/1.4066273
Published Online: September 10, 2024
View Article titled, Understanding Unsteady Vortex Structure and Shedding Frequency of Cylindrical Hole Film Cooling: Insights From Experimental and Numerical Approaches
Open the PDF for Understanding Unsteady Vortex Structure and Shedding Frequency of Cylindrical Hole Film Cooling: Insights From Experimental and Numerical Approaches in another window
Topics: Coolants, Film cooling, Flow (Dynamics), Vortices
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
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
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
Open the PDF for Effects of Ribbed Crossflow Channel in a Turbine Blade on Film Cooling Performance of Diffusion Slot Holes with Various Cross Section Orientations in another window
Topics: Blades, Coolants, Diffusion (Physics), Discharge coefficient, Fans, Film cooling, Flow (Dynamics), Pressure, Rotors, Turbine blades
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
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
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
View Article titled, IMPACT OF TURBINE-STRUT CLOCKING AND TURBINE OUTLET SWIRL ON THE HEAT TRANSFER AND FILM COOLING IN AN AGGRESSIVE TURBINE CENTER FRAME
Open the PDF for IMPACT OF TURBINE-STRUT CLOCKING AND TURBINE OUTLET SWIRL ON THE HEAT TRANSFER AND FILM COOLING IN AN AGGRESSIVE TURBINE CENTER FRAME in another window
Topics: Film cooling, Heat transfer, Struts (Engineering), Turbines, Turbochargers
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
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

Aerodynamic Impact of Secondary Air Injection Flowrates on the Main Annulus Flow Field for a Transonic High-Pressure Turbine Stage

Yoji Okita, Junichi Kazawa, Takashi Yamane, Nozomi Tanaka, Kazutaka Fuchigami, Hiroki Sato, Masaaki Hamabe, Haruyuki Tanimitsu
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. December 2024, 146(12): 121007.
Paper No: TURBO-23-1183
https://doi.org/10.1115/1.4065907
Published Online: July 23, 2024
View Article titled, Aerodynamic Impact of Secondary Air Injection Flowrates on the Main Annulus Flow Field for a Transonic High-Pressure Turbine Stage
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Topics: Annulus, Coolants, Design, Flow (Dynamics), Rotors, Turbines, Blades, Vortices, Pressure, Temperature
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
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
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
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
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