Heat transfer analysis of supercritical CO2 in a High-Speed turbine rotor shaft cooling passage

Md. Uddin,Halim Gurgenci,Alex Klimenko,Zhiqiang Guan

Thermal Science and Engineering Progress（2023）

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摘要

•High speed supercritical CO2 turbine rotor shaft cooling passage.•Fluid temperature, heat transfer coefficient, and heat dissipation are evaluated.•Effect of clearance ratio, flow rate, rotational speed, temperature are investigated.•CFD results are compared with the results obtained by simplified correlation.

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关键词

Supercritical CO2 turbine,Rotor shaft cooling,Turbulent flow,Heat transfer analysis

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