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Journal Articles

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

Open Access
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
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Topics: Drag (Fluid dynamics), Skin friction (Fluid dynamics), Surface roughness, Pressure, Heat transfer, Blades, Suction, Reynolds number
Proceedings Papers

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

Available to Purchase

Thomas O. Jelly, Massimiliano Nardini, Richard D. Sandberg, Paul Vitt, Greg Sluyter
Proc. ASME. GT2024, Volume 13: Heat Transfer: General Interest / Additive Manufacturing Impacts on Heat Transfer; Wind Energy, V013T13A005, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-121839
https://doi.org/10.1115/GT2024-121839
View Paper titled, Effects of Localized Non-Gaussian Roughness on High Pressure Turbine Aero-Thermal Performance: Convective Heat Transfer, Skin-Friction and the Reynolds’ Analogy
Open the PDF for Effects of Localized Non-Gaussian Roughness on High Pressure Turbine Aero-Thermal Performance: Convective Heat Transfer, Skin-Friction and the Reynolds’ Analogy in another window
Topics: Convection, Heat transfer, High pressure (Physics), Skin friction (Fluid dynamics), Surface roughness, Turbines
Journal Articles

Direct Numerical Simulation of Transitional and Turbulent Flows Over Multi-Scale Surface Roughness—Part II: The Effect of Roughness on the Performance of a High-Pressure Turbine Blade

Free
Massimiliano Nardini, Thomas O. Jelly, Melissa Kozul, Richard D. Sandberg, Paul Vitt, Greg Sluyter
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2024, 146(3): 031009.
Paper No: TURBO-23-1225
https://doi.org/10.1115/1.4063974
Published Online: December 4, 2023
View Articletitled, Direct Numerical Simulation of Transitional and Turbulent Flows Over Multi-Scale Surface Roughness—Part II: The Effect of Roughness on the Performance of a High-Pressure Turbine Blade
Open the PDF for Direct Numerical Simulation of Transitional and Turbulent Flows Over Multi-Scale Surface Roughness—Part II: The Effect of Roughness on the Performance of a High-Pressure Turbine Blade in another window
Topics: Blades, Boundary layers, Surface roughness, Turbulence, Computer simulation, Turbine blades, High pressure (Physics), Flow (Dynamics), Heat flux, Wakes
Proceedings Papers

Direct Numerical Simulation of Transitional and Turbulent Flows Over Multi-Scale Surface Roughness - Part II: The Effect of Roughness on the Performance of a High-Pressure Turbine Blade

Available to Purchase

Massimiliano Nardini, Thomas O. Jelly, Melissa Kozul, Richard D. Sandberg, Paul Vitt, Greg Sluyter
Proc. ASME. GT2023, Volume 13B: Turbomachinery — Axial Flow Turbine Aerodynamics, V13BT30A020, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102671
https://doi.org/10.1115/GT2023-102671
View Paper titled, Direct Numerical Simulation of Transitional and Turbulent Flows Over Multi-Scale Surface Roughness - Part II: The Effect of Roughness on the Performance of a High-Pressure Turbine Blade
Open the PDF for Direct Numerical Simulation of Transitional and Turbulent Flows Over Multi-Scale Surface Roughness - Part II: The Effect of Roughness on the Performance of a High-Pressure Turbine Blade in another window
Topics: Computer simulation, High pressure (Physics), Surface roughness, Turbine blades, Turbines, Turbomachinery, Turbulence
Proceedings Papers

Impact of Flowfield Unsteadiness on Film Cooling of a High Pressure Turbine Blade

Available to Purchase

Paul Vitt, Chad Iverson, Malak F. Malak, Jong S. Liu
Proc. ASME. GT2010, Volume 7: Turbomachinery, Parts A, B, and C, 1369-1380, June 14–18, 2010
Publisher: American Society of Mechanical Engineers
Paper No: GT2010-22773
https://doi.org/10.1115/GT2010-22773
View Paper titled, Impact of Flowfield Unsteadiness on Film Cooling of a High Pressure Turbine Blade
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Topics: Film cooling, High pressure (Physics), Turbine blades, Blades, Flow (Dynamics), Pressure, Steady state, Airfoils, Design, Engines
Proceedings Papers

Analytical Investigation of a Low Pressure Turbine With and Without Flowpath Endwall Gaps, Seals and Clearance Features

Available to Purchase

David Cherry, Aspi Wadia, Rob Beacock, Mani Subramanian, Paul Vitt
Proc. ASME. GT2005, Volume 6: Turbo Expo 2005, Parts A and B, 1099-1105, June 6–9, 2005
Publisher: American Society of Mechanical Engineers
Paper No: GT2005-68492
https://doi.org/10.1115/GT2005-68492
View Paper titled, Analytical Investigation of a Low Pressure Turbine With and Without Flowpath Endwall Gaps, Seals and Clearance Features
Open the PDF for Analytical Investigation of a Low Pressure Turbine With and Without Flowpath Endwall Gaps, Seals and Clearance Features in another window
Topics: Clearances (Engineering), Pressure, Turbines, Blades, Cavities, Computer simulation, Engines, Flow (Dynamics), Geometry, Leakage