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Keywords: Nusselt number
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Proceedings Papers

Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT13A018, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82914
... during the AM components’ design phase gives the designer an extra edge to arrive at a better design. In this paper, numerical prediction for the effect of roughness on pressure loss (friction factor) and heat transfer (Nusselt number) for flow in the internal channel is discussed. Numerical simulations...
Proceedings Papers

Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT15A008, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59080
... and friction loss increases seriously when the distance increases from 3 D to 4 D . impingement cooling crossflow diverter Nusselt number friction loss Proceedings of ASME Turbo Expo 2021 Turbomachinery Technical Conference and Exposition GT2021 June 7-11, 2021, Virtual, Online GT2021-59080 Jet...
Proceedings Papers

Proc. ASME. GT2020, Volume 7A: Heat Transfer, V07AT15A034, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-16115
... radius has stronger effect than turning angle. With higher jet Reynolds number, both the heat transfer and total pressure loss increase dramatically, and the effects of geometrical parameters are clearer. turbine blade internal cooling Reynolds number Nusselt number total pressure loss...
Proceedings Papers

Proc. ASME. GT2020, Volume 7A: Heat Transfer, V07AT15A024, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15389
... of this investigation is to reduce the vortex occurring near the rib for improving the performance of heat transfer, such as the Nusselt number and thermal performance factor. To investigate the heat transfer performance and fluid flow characteristics of internal cooling turbine blades, a parametric study of the cutted...
Proceedings Papers

Proc. ASME. GT2019, Volume 5A: Heat Transfer, V05AT11A005, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90421
... surface of the channel in the pattern of “inner film cooling”, which is pushed by centrifugal force and minimizes the mixing with spent cooling air. Namely, the greatly organized coolant flow generates higher cooling effectiveness and lower coolant demand. Both the Nusselt number on the channel surfaces...
Proceedings Papers

Proc. ASME. GT2007, Volume 4: Turbo Expo 2007, Parts A and B, 287-294, May 14–17, 2007
Publisher: American Society of Mechanical Engineers
Paper No: GT2007-27296
... enthalpy L Length of heat excha LMTD Log mean temper MCHE Microchannel hea N Number of flow chan Nu Nusselt number D OHTC Overall heat trans P Pressure , the numb Pr Prandtl number Q Heat load R Ratio defined by Eq. Proceedings of GT2007 ASME Turbo Expo 2007: Power for Land, Sea and Air May 14-17, 2007...