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Keywords: fluid dynamics and heat transfer phenomena in compressor and turbine components of gas turbine engines
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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
... 05 03 2025 16 04 2025 Email: james.cartlidge@eng.ox.ac.uk Email: aravin.dass.naidu@gmail.com Email: md.chowdhury@eng.ox.ac.uk Email: thomas.povey@eng.ox.ac.uk fluid dynamics and heat transfer phenomena in compressor and turbine components of gas turbine engines Heat...
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
...: nathan.fletcher.2@us.af.mil Email: mrumpfkeil1@udayton.edu fluid dynamics and heat transfer phenomena in compressor and turbine components of gas turbine engines Journal of Turbomachinery. Received June 20, 2024; Accepted manuscript posted April 11, 2025. doi:10.1115/1.4068437 Copyright © 2025 by ASME...
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
... Computational Fluid Dynamics (CFD) fluid dynamics and heat transfer phenomena in compressor and turbine components of gas turbine engines Journal of Turbomachinery. Received March 28, 2024; Accepted manuscript posted April 9, 2025. doi:10.1115/1.4068396 Copyright © 2025 by ASME; reuse license CC-BY 4.0...
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

An Unsteady Deposition Model for Evaluating CMAS Nonuniform Deposition Behavior and Aerodynamic Performance Degradation Under Hot Streak Clocking Effect

Li Shi, Xiao Tan, Rongli Deng, Liang Su, Jinfeng Peng, Jiasheng Song, Junjie Chen
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2025, 147(10): 101012.
Paper No: TURBO-24-1282
https://doi.org/10.1115/1.4068227
Published Online: April 8, 2025
... 03 2025 08 04 2025 gas turbines cooling computational fluid dynamics (CFD) thermodynamics two-phase fluid dynamics and heat transfer phenomena in compressor and turbine components of gas turbine engines turbomachinery blading design During the operation of land-based...
View Articletitled, An Unsteady Deposition Model for Evaluating CMAS Nonuniform Deposition Behavior and Aerodynamic Performance Degradation Under Hot Streak Clocking Effect
Open the PDF for An Unsteady Deposition Model for Evaluating CMAS Nonuniform Deposition Behavior and Aerodynamic Performance Degradation Under Hot Streak Clocking Effect in another window
Topics: Particulate matter, Temperature, Pressure, Suction
Journal Articles

Impact of Trailing Edge Damage on Nozzle Guide Vane Aerodynamic Performance

Zelimhan Raduev, Dougal Jackson, Nafiz Chowdhury, Thomas Povey
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2025, 147(10): 101007.
Paper No: TURBO-24-1291
https://doi.org/10.1115/1.4067930
Published Online: March 20, 2025
...) of ASME for publication in the J ournal of T urbomachinery . 28 08 2024 13 01 2025 13 01 2025 20 03 2025 computational fluid dynamics (CFD) fluid dynamics and heat transfer phenomena in compressor and turbine components of gas turbine engines measurement techniques...
View Articletitled, Impact of Trailing Edge Damage on Nozzle Guide Vane Aerodynamic Performance
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Topics: Computational fluid dynamics, Flow (Dynamics), Geometry, Pressure, Coolants, Damage, Nozzle guide vanes, Mach number, Boundary layers, Vortices
Journal Articles

Superposition of Overall Cooling Effectiveness on a Turbine Blade Leading Edge

Bailey W. Hopkins, James L. Rutledge
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2025, 147(10): 101001.
Paper No: TURBO-24-1173
https://doi.org/10.1115/1.4067886
Published Online: February 28, 2025
... 28 01 2025 28 01 2025 28 02 2025 fluid dynamics and heat transfer phenomena in compressor and turbine components of gas turbine engines heat transfer and film cooling Film cooling is utilized in gas turbine design to mitigate the challenging operational conditions faced...
View Articletitled, Superposition of Overall Cooling Effectiveness on a Turbine Blade Leading Edge
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Topics: Coolants, Cooling, Temperature, Film cooling
Journal Articles

Revisiting Dimensionless Parameters Quantifying Film Cooling

Chien-Shing Lee, Tom I-P. Shih, Douglas Straub, Justin Weber
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2025, 147(10): 101004.
Paper No: TURBO-24-1389
https://doi.org/10.1115/1.4067931
Published Online: February 28, 2025
... Plenum Fed Film Cooling film cooling crossflow-fed film cooling adiabatic effectiveness overall cooling effectiveness RANS computational fluid dynamics (CFD) fluid dynamics and heat transfer phenomena in compressor and turbine components of gas turbine engines heat transfer and film...
View Articletitled, Revisiting Dimensionless Parameters Quantifying Film Cooling
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Topics: Cooling, Film cooling, Flow (Dynamics), Discharge coefficient
Journal Articles

Modelling Particulate Deposition in Gas Turbines Part I: a Non-Spherical Bounce Stick Model

Accepted Manuscript
Jack Gaskell, Matthew McGilvray, David R.H. Gillespie
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-23-1020
https://doi.org/10.1115/1.4068022
Published Online: February 21, 2025
... flows Computational Fluid Dynamics (CFD) fluid dynamics and heat transfer phenomena in compressor and turbine components of gas turbine engines Heat transfer and film cooling Department for Business, Innovation and Skills 10.13039/501100004800 113180 Engineering and Physical...
View Articletitled, Modelling Particulate Deposition in Gas Turbines Part I: a Non-Spherical Bounce Stick Model
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Topics: Computational fluid dynamics, Gas turbines, Modeling, Particulate matter, Turbochargers
Journal Articles

Numerical Study on Unsteady Flow of a Supersonic Partial Admission Impulse Turbine

Tongxi Li, Jiakang Wang, Zhiheng Wang, Guang Xi
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2025, 147(7): 071017.
Paper No: TURBO-24-1113
https://doi.org/10.1115/1.4067733
Published Online: February 18, 2025
... instabilities computational fluid dynamics fluid dynamics and heat transfer phenomena in compressor and turbine components of gas turbine engines 18 06 2024 15 01 2025 16 01 2025 18 02 2025 Contributed by the International Gas Turbine Institute (IGTI) of ASME for publication...
View Articletitled, Numerical Study on Unsteady Flow of a Supersonic Partial Admission Impulse Turbine
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Topics: Aerodynamics, Blades, Flow (Dynamics), Fluid-dynamic forces, Nozzles, Rotors, Turbines, Impulse (Physics), Mach number, Unsteady flow
Journal Articles

High Effectiveness Tip Cooling Using Inclined Slots

Macdonald Mutekwa, Joao Vieira, Maximilian G. Farfaras, John D. Coull, Marko Bacic, Peter T. Ireland
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2025, 147(9): 091011.
Paper No: TURBO-24-1266
https://doi.org/10.1115/1.4067517
Published Online: February 17, 2025
... aerodynamic design fluid dynamics and heat transfer phenomena in compressor and turbine components of gas turbine engines A tip clearance must be maintained between rotating turbomachinery blades and the stationary casing. For unshrouded blades, the static pressure difference between the pressure...
View Articletitled, High Effectiveness Tip Cooling Using Inclined Slots
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Topics: Coolants, Cooling, Design, Flow (Dynamics), Pressure, Geometry, Film cooling, Computational fluid dynamics, Density
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
... 2025 turbine vane trailing edge cutback slot particulate deposition film cooling conjugate heat transfer fluid dynamics and heat transfer phenomena in compressor and turbine components of gas turbine engines heat transfer and film cooling National Natural Science Foundation...
View Articletitled, Influences of Particulate Deposition on Vane Trailing-Edge Film Cooling: Adiabatic and Overall Cooling Effectiveness
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Topics: Coolants, Cooling, Film cooling, Flow (Dynamics), Particulate matter, Pressure, Turbines, Heat transfer, Adiabatic cooling, Geometry
Journal Articles

High-Fidelity Investigation of Vortex Shedding From a Highly Loaded Turbine Blade

Xavier Gloerfelt, Paola Cinnella
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2025, 147(9): 091009.
Paper No: TURBO-24-1257
https://doi.org/10.1115/1.4067438
Published Online: February 17, 2025
... wire, T u = 0% Schlieren views for the transonic case with trip wire, Tu = 0% VKI LS59 cascade transonic vortex shedding boundary layer development computational fluid dynamics (CFD) fluid dynamics and heat transfer phenomena in compressor and turbine components of gas turbine engines...
View Articletitled, High-Fidelity Investigation of Vortex Shedding From a Highly Loaded Turbine Blade
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Topics: Blades, Boundary layers, Flow (Dynamics), Large eddy simulation, Mach number, Pressure, Simulation, Suction, Turbulence, Vortex shedding
Journal Articles

Biot Number Error in Low-Temperature Inconel Overall Effectiveness Experiments

Bailey W. Hopkins, Jacob A. Hughes, Carol E. Bryant, James L. Rutledge
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2025, 147(9): 091006.
Paper No: TURBO-24-1339
https://doi.org/10.1115/1.4067460
Published Online: February 6, 2025
... in the Appendix . (4) ϕ = χ η ( Bi + h h i ) + 1 Bi + h h i + 1 fluid dynamics and heat transfer phenomena in compressor and turbine components of gas turbine engines heat transfer and film cooling 02 10 2024 05 12 2024 06...
View Articletitled, Biot Number Error in Low-Temperature Inconel Overall Effectiveness Experiments
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Topics: Coolants, Engines, Errors, Low temperature, Temperature, Thermal conductivity, Turbine components, Film cooling, Cooling, Turbochargers
Journal Articles

Numerical Characterization of an High Pressure Compressor Stage Equipped With a Closed Shrouded Stator Cavity

Cedric Babin, Michel Dumas, Xavier Ottavy, Fabrizio Fontaneto
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2025, 147(4): 041019.
Paper No: TURBO-20-1256
https://doi.org/10.1115/1.4050333
Published Online: January 30, 2025
... dynamics and heat transfer phenomena in compressor and turbine components of gas turbine engines impact on cavity leaking flows on performance References [1] Swoboda , M. , Ivey , P. C. , Wenger , U. , and Gümmer , V. , 1998 , “ An Experimental Examination...
View Articletitled, Numerical Characterization of an High Pressure Compressor Stage Equipped With a Closed Shrouded Stator Cavity
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Topics: Cavities, Cavity flows, Flow (Dynamics), Stators, Compressors, Blades
Journal Articles

Roughness Effects on Dense-Gas Turbine Flow: Comparison of Experiments and Simulations

Xavier Gloerfelt, Leander Hake, Aurélien Bienner, Camille Matar, Paola Cinnella, Stefan aus der Wiesche
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2025, 147(8): 081010.
Paper No: TURBO-24-1258
https://doi.org/10.1115/1.4067443
Published Online: January 13, 2025
... resolution VKI LS59 cascade ORC turbine roughness boundary layer development computational fluid dynamics (CFD) fluid dynamics and heat transfer phenomena in compressor and turbine components of gas turbine engines Agence Nationale de la Recherche 10.13039/501100001665 ANR-20-CE92...
View Articletitled, Roughness Effects on Dense-Gas Turbine Flow: Comparison of Experiments and Simulations
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Topics: Blades, Flow (Dynamics), Simulation, Surface roughness, Turbines, Cascades (Fluid dynamics), Pressure, Boundary layers, Engineering simulation, Turbulence
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
... boundary layer development computational fluid dynamics (CFD) fluid dynamics and heat transfer phenomena in compressor and turbine components of gas turbine engines Copyright © 2024 by ASME; reuse license CC-BY 4.0 2024 American Society of Mechanical Engineers 0889-504X/2024/147(5)/051017/12 ...
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

Enhanced Antideposition Performance of Film Cooling With a Shaped Sweeping Jet Hole

Tianlun Zhang, Weichen Huang, Kechen Wang, Xin Wen, Wenwu Zhou, Yingzheng Liu
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2025, 147(5): 051014.
Paper No: TURBO-24-1099
https://doi.org/10.1115/1.4067243
Published Online: December 17, 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 National Natural Science Foundation of China 10.13039/501100001809 52276033...
View Articletitled, Enhanced Antideposition Performance of Film Cooling With a Shaped Sweeping Jet Hole
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Topics: Film cooling, Particulate matter
Journal Articles

The Impact of Inflow Unsteadiness on Loss Prediction

Pawel J. Przytarski, Davide Lengani, Richard Sandberg
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2025, 147(4): 041014.
Paper No: TURBO-24-1309
https://doi.org/10.1115/1.4067241
Published Online: December 17, 2024
... compressor turbine fluid dynamics and heat transfer phenomena in compressor and turbine components of gas turbine engines measurement techniques turbulence energy dissipation loss generation European Research Council 10.13039/501100000781 101026928 The ability to correctly measure...
View Articletitled, The Impact of Inflow Unsteadiness on Loss Prediction
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Topics: Compressors, Design, Gibbs' equation, Inflow, Pressure, Turbulence, Reynolds number, Flow (Dynamics), Blades, Simulation
Includes: Supplementary data
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
... estimate of Θ μ = dynamic viscosity (kg/m/s) ρ = density (kg/m 3 ) Ω = rotational speed (rad/s)   In = inlet sh = shroud z = axial Θ = circumferential fluid dynamics and heat transfer phenomena in compressor and turbine components...
View Articletitled, A Physics-Informed Neural Network for Solving the Inverse Heat Transfer Problem in Gas Turbine Rotating Cavities
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Topics: Artificial neural networks, Cavities, Heat, Heat transfer, Physics, Temperature, Temperature profiles, Compressors, Disks, Flux (Metallurgy)
Journal Articles

Evaluating Thin-Film Thermocouple Performance on Additively Manufactured Turbine Airfoils

Reid A. Berdanier, Margaret R. Nunn, Justin T. Brumberg, Michael D. Barringer, Scott Fishbone, Karen A. Thole
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2025, 147(7): 071009.
Paper No: TURBO-24-1199
https://doi.org/10.1115/1.4067177
Published Online: December 11, 2024
...) of ASME for publication in the J ournal of T urbomachinery . 28 07 2024 06 11 2024 07 11 2024 11 12 2024 Graphical Abstract Figure fluid dynamics and heat transfer phenomena in compressor and turbine components of gas turbine engines heat transfer and film...
View Articletitled, Evaluating Thin-Film Thermocouple Performance on Additively Manufactured Turbine Airfoils
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Topics: Sensors, Thermocouples, Turbines, Temperature, Additive manufacturing, Design