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Analysis on Heat Transfer of PRHR Heat Exchanger in Tank

[+] Author Affiliations
Jiaqi Tao, Zhenqin Xiong, Hangyu Wu, Hanyang Gu

Shanghai Jiao Tong University, Shanghai, China

Xing Jiang

Shanghai Nuclear Engineering Research & Design Institute, Shanghai, China

Paper No. ICONE25-67187, pp. V006T08A084; 8 pages
doi:10.1115/ICONE25-67187
From:
  • 2017 25th International Conference on Nuclear Engineering
  • Volume 6: Thermal-Hydraulics
  • Shanghai, China, July 2–6, 2017
  • Conference Sponsors: Nuclear Engineering Division
  • ISBN: 978-0-7918-5784-7
  • Copyright © 2017 by ASME

abstract

The heat transfer performance of a small scaled passive residual heat removal (PRHR) heat exchanger is investigated by experiment. It is consisted of 42 C-shaped tubes, which is immerged in a 6-meter high water tank. The average heat flux is obtained under broad range of the working pressure and the mass flow rate of water inside the tubes by the tests. Furthermore, the distribution of the heat flux along the tube is analyzed with the assistance of empirical correlations. The heat transfer rate of the tubes predicted agrees well with the measured value, with a discrepancy less than 5%. These results are helpful in the design of PRHR heat exchanger in nuclear reactor.

Copyright © 2017 by ASME

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