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Journal Articles

ENTRY REGION HEAT TRANSFER AUGMENTATION WITH PINS, FINS, AND TURBULATORS IN CIRCULAR CHANNELS

Accepted Manuscript
Evan Lundburg, Stephen Lynch, M. Eric Lyall
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1284
https://doi.org/10.1115/1.4068459
Published Online: April 16, 2025
View Articletitled, ENTRY REGION HEAT TRANSFER AUGMENTATION WITH PINS, FINS, AND TURBULATORS IN CIRCULAR CHANNELS
Open the PDF for ENTRY REGION HEAT TRANSFER AUGMENTATION WITH PINS, FINS, AND TURBULATORS IN CIRCULAR CHANNELS in another window
Topics: Boundary layers, Fins, Heat transfer, Pins (Engineering), Turbochargers
Journal Articles

IMPACT OF TEMPERATURE RATIO ON OVERALL COOLING EFFECTIVENESS: EXPERIMENTAL VALIDATION OF A SCALING THEORY

Accepted Manuscript
James Cartlidge, Aravin Dass Naidu, Nafiz Chowdhury, Thomas Povey
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1271
https://doi.org/10.1115/1.4068460
Published Online: April 16, 2025
View Articletitled, IMPACT OF TEMPERATURE RATIO ON OVERALL COOLING EFFECTIVENESS: EXPERIMENTAL VALIDATION OF A SCALING THEORY
Open the PDF for IMPACT OF TEMPERATURE RATIO ON OVERALL COOLING EFFECTIVENESS: EXPERIMENTAL VALIDATION OF A SCALING THEORY in another window
Topics: Cooling, Temperature, Turbochargers, Coolants, Heat transfer, Heat transfer coefficients, Boundary-value problems, Compressors, Design, Engines
Journal Articles

IMPACT OF HIGH FREESTREAM TURBULENCE ON LPT ENDWALL FLOW: PART I – LOSS DEVELOPMENT AND TIME-AVERAGED FLOW FIELD

Accepted Manuscript
Molly Donovan, Christopher Marks, Nathan Fletcher, Markus Rumpfkeil
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1123
https://doi.org/10.1115/1.4068437
Published Online: April 11, 2025
View Articletitled, IMPACT OF HIGH FREESTREAM TURBULENCE ON LPT ENDWALL FLOW: PART I – LOSS DEVELOPMENT AND TIME-AVERAGED FLOW FIELD
Open the PDF for IMPACT OF HIGH FREESTREAM TURBULENCE ON LPT ENDWALL FLOW: PART I – LOSS DEVELOPMENT AND TIME-AVERAGED FLOW FIELD in another window
Topics: Flow (Dynamics), Free stream turbulence, Turbochargers, Turbulence, Blades, Pressure, Reynolds number, Cascades (Fluid dynamics), Compressors, Engineering simulation
Journal Articles

DATA-ASSIMILATION OF TRANSITIONAL AND SEPARATED TURBOMACHINERY FLOWS WITH PHYSICS-INFORMED NEURAL NETWORKS

Accepted Manuscript
Sean Hanrahan, Melissa Kozul, Richard Sandberg
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1059
https://doi.org/10.1115/1.4068396
Published Online: April 9, 2025
View Articletitled, DATA-ASSIMILATION OF TRANSITIONAL AND SEPARATED TURBOMACHINERY FLOWS WITH PHYSICS-INFORMED NEURAL NETWORKS
Open the PDF for DATA-ASSIMILATION OF TRANSITIONAL AND SEPARATED TURBOMACHINERY FLOWS WITH PHYSICS-INFORMED NEURAL NETWORKS in another window
Topics: Artificial neural networks, Flow (Dynamics), Physics, Turbochargers, Turbomachinery, Turbulence, Reynolds-averaged Navier–Stokes equations, Separation (Technology), Computational fluid dynamics, Pressure
Journal Articles

A REVIEW OF SECONDARY COMBUSTION ON TURBINE BLADE COOLING

Accepted Manuscript
Tinashe Ngwenya, Antonino Nava, Peter Ireland
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1186
https://doi.org/10.1115/1.4068031
Published Online: February 24, 2025
View Articletitled, A REVIEW OF SECONDARY COMBUSTION ON TURBINE BLADE COOLING
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Topics: Combustion, Cooling, Film cooling, Turbine blades, Turbochargers, Turbines, Combustion chambers, Fuels, Blades, Temperature
Journal Articles

Influences of Particulate Deposition on Vane Trailing-Edge Film Cooling: Adiabatic and Overall Cooling Effectiveness

Xing Yang, Zihan Hao, Zhenping Feng
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2025, 147(9): 091012.
Paper No: TURBO-24-1019
https://doi.org/10.1115/1.4067636
Published Online: February 17, 2025
View Articletitled, Influences of Particulate Deposition on Vane Trailing-Edge Film Cooling: Adiabatic and Overall Cooling Effectiveness
Open the PDF for Influences of Particulate Deposition on Vane Trailing-Edge Film Cooling: Adiabatic and Overall Cooling Effectiveness in another window
Topics: Coolants, Cooling, Film cooling, Flow (Dynamics), Particulate matter, Pressure, Turbines, Heat transfer, Adiabatic cooling, Geometry
Journal Articles

Design and Analysis of a Liftfan for eVTOL Aircraft

R. D. Hine, D. R. Cousins, L. Maden, S. J. Walker, N. R. Atkins, S. D. Grimshaw, J. V. Taylor
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2025, 147(9): 091016.
Paper No: TURBO-24-1308
https://doi.org/10.1115/1.4067673
Published Online: February 17, 2025
View Articletitled, Design and Analysis of a Liftfan for eVTOL Aircraft
Open the PDF for Design and Analysis of a Liftfan for eVTOL Aircraft in another window
Topics: Cooling, Design, Engines, Flight, Flow (Dynamics), Motors, Pressure, Engineering prototypes, Simulation, Computational fluid dynamics
Journal Articles

Modelling Particulate Deposition in Gas Turbines Part II: Prediction and Validation of Deposition Distributions

Accepted Manuscript
Jack Gaskell, Nikul Vadgama, Florian Villain, Simon Beal, Matthew McGilvray, David R.H. Gillespie, Benjamin Littley
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-23-1024
https://doi.org/10.1115/1.4067884
Published Online: February 7, 2025
View Articletitled, Modelling Particulate Deposition in Gas Turbines Part II: Prediction and Validation of Deposition Distributions
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Topics: Computational fluid dynamics, Gas turbines, Modeling, Particulate matter, Turbochargers, Cooling, Discrete element methods, Blades, Damage, Design
Journal Articles

Flow and Heat Transfer in a Rotating Disc Cavity With Axial Throughflow at High-Speed Conditions

Ruonan Wang, John W. Chew, Feng Gao, Olaf Marxen
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2025, 147(9): 091005.
Paper No: TURBO-24-1167
https://doi.org/10.1115/1.4067437
Published Online: February 6, 2025
View Articletitled, Flow and Heat Transfer in a Rotating Disc Cavity With Axial Throughflow at High-Speed Conditions
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Topics: Cavities, Disks, Flow (Dynamics), Heat transfer, Reynolds number, Rotating disks, Temperature, Buoyancy, Turbulence, Simulation
Journal Articles

Dirt Ingestion Impacts on Cooling Within a Double-Walled Combustor Liner

Kyle C. McFerran, Karen A. Thole, Stephen P. Lynch
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2025, 147(8): 081019.
Paper No: TURBO-24-1327
https://doi.org/10.1115/1.4067464
Published Online: January 30, 2025
View Articletitled, Dirt Ingestion Impacts on Cooling Within a Double-Walled Combustor Liner
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Topics: Cooling, Flow (Dynamics), Heat transfer, Plates (structures), Heat transfer coefficients, Combustion chambers
Journal Articles

Heat Transfer and Flow Field Characteristics of Variable Aspect Ratio, Serpentine Passages

Hanlin Wang, Denali Klein, Lesley M. Wright
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2025, 147(8): 081006.
Paper No: TURBO-24-1259
https://doi.org/10.1115/1.4067322
Published Online: January 13, 2025
View Articletitled, Heat Transfer and Flow Field Characteristics of Variable Aspect Ratio, Serpentine Passages
Open the PDF for Heat Transfer and Flow Field Characteristics of Variable Aspect Ratio, Serpentine Passages in another window
Topics: Flow (Dynamics), Heat transfer, Turbulence, Liquid crystals, Reynolds number
Journal Articles

Effect of Flow Distortions on Pin Fins in the Entry Region of Circular Channels

Evan Lundburg, Stephen Lynch, M. Eric Lyall
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2025, 147(3): 031015.
Paper No: TURBO-24-1195
https://doi.org/10.1115/1.4067296
Published Online: December 20, 2024
View Articletitled, Effect of Flow Distortions on Pin Fins in the Entry Region of Circular Channels
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Topics: Aircraft, Boundary layers, Engines, Fins, Flow (Dynamics), Heat transfer, Pins (Engineering), Pressure
Journal Articles

Effects of Localized Non-Gaussian Roughness on High-Pressure Turbine Aerothermal Performance: Convective Heat Transfer, Skin Friction, and the Reynolds’ Analogy

Thomas O. Jelly, Massimiliano Nardini, Richard D. Sandberg, Paul Vitt, Greg Sluyter
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2025, 147(5): 051017.
Paper No: TURBO-24-1286
https://doi.org/10.1115/1.4067354
Published Online: December 20, 2024
View Articletitled, Effects of Localized Non-Gaussian Roughness on High-Pressure Turbine Aerothermal Performance: Convective Heat Transfer, Skin Friction, and the Reynolds’ Analogy
Open the PDF for Effects of Localized Non-Gaussian Roughness on High-Pressure Turbine Aerothermal Performance: Convective Heat Transfer, Skin Friction, and the Reynolds’ Analogy in another window
Topics: Drag (Fluid dynamics), Skin friction (Fluid dynamics), Surface roughness, Pressure, Heat transfer, Blades, Suction, Reynolds number
Journal Articles

A Physics-Informed Neural Network for Solving the Inverse Heat Transfer Problem in Gas Turbine Rotating Cavities

Mark R. Puttock-Brown, Goutham K. M. Bindhu, Colin E. Ashby
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2025, 147(7): 071010.
Paper No: TURBO-24-1208
https://doi.org/10.1115/1.4067125
Published Online: December 13, 2024
View Articletitled, A Physics-Informed Neural Network for Solving the Inverse Heat Transfer Problem in Gas Turbine Rotating Cavities
Open the PDF for A Physics-Informed Neural Network for Solving the Inverse Heat Transfer Problem in Gas Turbine Rotating Cavities in another window
Topics: Artificial neural networks, Cavities, Heat, Heat transfer, Physics, Temperature, Temperature profiles, Compressors, Disks, Flux (Metallurgy)
Journal Articles

Thermohydraulic Performance and Flow Structures of Diamond Pyramid Arrays

Thomas M. Corbett, Karen A. Thole
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2025, 147(7): 071006.
Paper No: TURBO-24-1196
https://doi.org/10.1115/1.4067124
Published Online: December 10, 2024
View Articletitled, Thermohydraulic Performance and Flow Structures of Diamond Pyramid Arrays
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Topics: Diamonds, Flow (Dynamics), Friction, Heat transfer, Surface roughness, Design, Pressure, Temperature
Journal Articles

Flow and Heat Transfer in Rotating Compressor Cavities With Inverted Shroud-Throughflow Temperature Differences

Mikolaj J. Pernak, Tom E. W. Nicholas, Mauro Carnevale, Gary D. Lock, Hui Tang, James A. Scobie
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2025, 147(7): 071005.
Paper No: TURBO-24-1182
https://doi.org/10.1115/1.4067075
Published Online: December 10, 2024
View Articletitled, Flow and Heat Transfer in Rotating Compressor Cavities With Inverted Shroud-Throughflow Temperature Differences
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Topics: Cavities, Compressors, Disks, Flow (Dynamics), Heat flux, Heat transfer, Temperature, Temperature gradient, Pressure, Vortices
Journal Articles

Optimization of Tip Seal Grooves for Aerodynamic and Durability Improvements of Small-Core Turbines

Connor J. Wiese, Reid A. Berdanier, Karen A. Thole
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2025, 147(6): 061004.
Paper No: TURBO-24-1169
https://doi.org/10.1115/1.4067028
Published Online: November 22, 2024
View Articletitled, Optimization of Tip Seal Grooves for Aerodynamic and Durability Improvements of Small-Core Turbines
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Topics: Blades, Clearances (Engineering), Design, Flow (Dynamics), Geometry, Heat transfer, Optimization, Rotors, Turbines, Stress
Journal Articles

Scale Cooling—A Novel Fractal Cooling Structure for Turbine Vanes

Zhongran Chi, Longfei Wang
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2025, 147(6): 061012.
Paper No: TURBO-24-1227
https://doi.org/10.1115/1.4067099
Published Online: November 22, 2024
View Articletitled, Scale Cooling—A Novel Fractal Cooling Structure for Turbine Vanes
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Topics: Cooling, Fractals, Design, Heat transfer, Computational fluid dynamics
Journal Articles

Spectral Heat Transfer Coefficient for Thermal Design Analysis—Part II: Leveraging Diabatic Wall Conditioning for Nonlinear Regime

L. He
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2025, 147(6): 061002.
Paper No: TURBO-24-1160
https://doi.org/10.1115/1.4066672
Published Online: November 14, 2024
View Articletitled, Spectral Heat Transfer Coefficient for Thermal Design Analysis—Part II: Leveraging Diabatic Wall Conditioning for Nonlinear Regime
Open the PDF for Spectral Heat Transfer Coefficient for Thermal Design Analysis—Part II: Leveraging Diabatic Wall Conditioning for Nonlinear Regime in another window
Topics: Cooling, Temperature, Blades, Heat transfer, Wall temperature, Heat flux, Design
Journal Articles

Heat Transfer Enhancement in Pulsating Flows: A Bayesian Approach to Experimental Correlations

Matei C. Ignuta-Ciuncanu, Chris Noon, Ricardo F. Martinez-Botas
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2025, 147(5): 051009.
Paper No: TURBO-24-1189
https://doi.org/10.1115/1.4067031
Published Online: November 12, 2024
View Articletitled, Heat Transfer Enhancement in Pulsating Flows: A Bayesian Approach to Experimental Correlations
Open the PDF for Heat Transfer Enhancement in Pulsating Flows: A Bayesian Approach to Experimental Correlations in another window
Topics: Flow (Dynamics), Heat transfer, Pipes, Polynomials, Pulsatile flow, Temperature, Cities, Heat transfer coefficients