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Keywords: rotating heat transfer
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Proceedings Papers

Experimental Study on Heat Transfer in a Rotating, Ribbed Serpentine Cooling Channel With Bleed Holes

Chenghua Zhu, Jie Wen, Guoqiang Xu, Yanan Chen
Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT15A024, June 13–17, 2022
Paper No: GT2022-82797
DOI: https://doi.org/10.1115/GT2022-82797
... rotating heat transfer serpentine channel bleed holes mass flow rate ratio turbine blade cooling Abstract The effect of rotation on heat transfer in a typical turbine blade middle-chord channel is experimentally investigated. The channel is characterized by ribs, three-pass serpentine...
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Topics: Cooling, Flow (Dynamics), Heat transfer, Turbine blades
Proceedings Papers

Heat Transfer in a Rotating, Blade-Shaped, Two-Pass Cooling Channel With a Variable Aspect Ratio

I-Lun Chen, Izzet Sahin, Lesley M. Wright, Je-Chin Han, Robert Krewinkel
Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT15A012, June 7–11, 2021
Paper No: GT2021-59400
DOI: https://doi.org/10.1115/GT2021-59400
... for each cooling the gas turbine blade internal cooling designs. channel. The effect of passage orientation on the heat transfer and pressure loss is investigated by comparing to a planar Keywords: Turbine Cooling; Rotating Heat Transfer, channel design with a similar geometry. Following the blade Blade...
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Topics: Blades, Cooling, Heat transfer
Proceedings Papers

Heat Transfer in a Rotating, Two-Pass, Variable Aspect Ratio Cooling Channel With Profiled V-Shaped Ribs

I-Lun Chen, Izzet Sahin, Lesley M. Wright, Je-Chin Han, Robert Krewinkel
Proc. ASME. GT2020, Volume 7A: Heat Transfer, V07AT15A036, September 21–25, 2020
Paper No: GT2020-16216
DOI: https://doi.org/10.1115/GT2020-16216
... transfer and thermal performance compared to the traditional V-shaped and standard, 45° angled rib turbulators. Keywords: Heat Transfer Enhancement; Profiled V-Shaped Ribs; Gas Turbine Cooling; Rotating Heat Transfer NOMENCLATURE A = Surface area AR = Aspect ratio (channel width : height) Cp = Specific...
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Topics: Cooling, Heat transfer