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Keywords: low pressure turbine
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Journal Articles

Impact of Low Freestream Turbulence and Surface Roughness on the Flat-Plate Boundary Layer Transition Under a High-Lift Airfoil Pressure Gradient

Heechan Jeong, Seung Jin Song
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. November 2024, 146(11): 111003.
Paper No: TURBO-23-1272
https://doi.org/10.1115/1.4065494
Published Online: May 23, 2024
... surface roughness low pressure turbine boundary layer transition Korea Evaluation Institute of Industrial Technology 10.13039/501100003662 20018456 National Research Foundation of Korea 10.13039/501100003725 No. 2021R1A2C2014609 Seoul National University 10.13039/501100002551...
View Article titled, Impact of Low Freestream Turbulence and Surface Roughness on the Flat-Plate Boundary Layer Transition Under a High-Lift Airfoil Pressure Gradient
Open the PDF for Impact of Low Freestream Turbulence and Surface Roughness on the Flat-Plate Boundary Layer Transition Under a High-Lift Airfoil Pressure Gradient in another window
Topics: Boundary layers, Free stream turbulence, Surface roughness, Turbulence, Flat plates, Pressure gradient, Airfoils
Journal Articles

Prediction of the Influence of the Inlet End-Wall Boundary Layer on the Secondary Flow of a Low Pressure Turbine Airfoil Using RANS and Large-Eddy Simulations

Fernando Gisbert, David Cadrecha, Patxi Apoita
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2024, 146(9): 091001.
Paper No: TURBO-23-1111
https://doi.org/10.1115/1.4065026
Published Online: April 4, 2024
...Fernando Gisbert; David Cadrecha; Patxi Apoita This paper analyzes the effect of the inlet end-wall boundary layer on the secondary flow of a low pressure turbine airfoil cascade at Reynolds number 2 × 10 5 using RANS and implicit large-eddy simulations (LES). The results are compared against...
View Article titled, Prediction of the Influence of the Inlet End-Wall Boundary Layer on the Secondary Flow of a <span class="search-highlight">Low</span> <span class="search-highlight">Pressure</span> <span class="search-highlight">Turbine</span> Airfoil Using RANS and Large-Eddy Simulations
Open the PDF for Prediction of the Influence of the Inlet End-Wall Boundary Layer on the Secondary Flow of a <span class="search-highlight">Low</span> <span class="search-highlight">Pressure</span> <span class="search-highlight">Turbine</span> Airfoil Using RANS and Large-Eddy Simulations in another window
Topics: Boundary layers, Flow (Dynamics), Pressure, Reynolds-averaged Navier–Stokes equations, Simulation, Turbulence, Large eddy simulation, Vortices, Blades, Turbines
Journal Articles

Experimental and Numerical Study of Laminar-Turbulent Transition on a Low-Pressure Turbine Outlet Guide Vane

Isak Jonsson, Srikanth Deshpande, Valery Chernoray, Oskar Thulin, Jonas Larsson
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2021, 143(10): 101011.
Paper No: TURBO-20-1415
https://doi.org/10.1115/1.4050629
Published Online: May 19, 2021
... Reynolds number and inlet conditions at three different turbine load cases. Experiments were performed in an annular rotating rig with a shrouded low-pressure turbine upstream of the TRS test section. The numerical results were obtained using the shear stress transport k − ω turbulence model...
View Article titled, Experimental and Numerical Study of Laminar-Turbulent Transition on a <span class="search-highlight">Low</span>-<span class="search-highlight">Pressure</span> <span class="search-highlight">Turbine</span> Outlet Guide Vane
Open the PDF for Experimental and Numerical Study of Laminar-Turbulent Transition on a <span class="search-highlight">Low</span>-<span class="search-highlight">Pressure</span> <span class="search-highlight">Turbine</span> Outlet Guide Vane in another window
Topics: Boundary layers, Flow (Dynamics), Guide vanes, Pressure, Reynolds number, Suction, Thermography, Turbines, Turbulence, Blades