HTR-PM helium circulator motor cooling

MO Fei; ZHANG Youjie; WANG Hong; ZHANG Qinzhao

doi:10.16511/j.cnki.qhdxxb.2018.25.005

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Journal of Tsinghua University(Science and Technology) ›› 2018, Vol. 58 ›› Issue (2) : 188-191. DOI: 10.16511/j.cnki.qhdxxb.2018.25.005

NUCLEAR ENERGY AND NEW ENERGY

HTR-PM helium circulator motor cooling

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Abstract

The helium circulator is an important part of the HTR-PM which uses helium as its working medium. Due to the limited space in the HTR-PM, the main helium fan uses a self-contained, air-cooled integrated structure to remove the motor heat. The auxiliary impeller design is then based on the flow characteristics and heat transfer characteristics of the motor cooling flow. Experiments using nitrogen as the working fluid were conducted to study the flow and heat transfer characteristics of the HTR-PM air-cooling system with the results extended to the helium working fluid. The experimental and theoretical results were used to optimize the cooling system design for the next HTR-PM main helium turbine auxiliary impeller design and optimization.

Key words

gas-cooled reactor / helium circulator / cooling system / thermal properties

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MO Fei, ZHANG Youjie, WANG Hong, ZHANG Qinzhao. HTR-PM helium circulator motor cooling[J]. Journal of Tsinghua University(Science and Technology). 2018, 58(2): 188-191 https://doi.org/10.16511/j.cnki.qhdxxb.2018.25.005

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