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Author:

Niu, Jianhui (Niu, Jianhui.) | Liang, Zheng (Liang, Zheng.) | Xu, Shuxue (Xu, Shuxue.)

Indexed by:

EI Scopus SCIE

Abstract:

The heat pipe radiator directly driven by heat pump heating system has the advantages of fast heat transfer and high energy efficiency. Based on the empirical heat transfer formula, the heat and mass transfer process in the heat pipe radiator was studied. The key parameters in the empirical heat transfer formula were derived by combining with the experimental data. The distribution of the thickness of the condensate film and the heat transfer coefficient in the height direction of the heat pipe radiator was analyzed. The influence of the working fluid condensate mass and vapour mass in the heat pipe radiator was investigated. The results showed that the thickness of the liquid film changes from the bottom of 0.1110 mm to the top of 0.0594 mm along the height of the heat pipe. The minimum charge of working fluid is 1.78 kg to 1.81 kg and the heating COP of the system still reach to 3.14 even at the outdoor temperature of-12.6 degrees C.

Keyword:

heat pipe radiator heat pump heating COP heating performance

Author Community:

  • [ 1 ] [Niu, Jianhui]Hebei Univ Architecture, Coll Energy & Environm Engn, Zhangjiakou, Peoples R China
  • [ 2 ] [Liang, Zheng]Hebei Univ Architecture, Coll Energy & Environm Engn, Zhangjiakou, Peoples R China
  • [ 3 ] [Xu, Shuxue]Beijing Univ Technol, Coll Environm & Energy Engn, Beijing, Peoples R China

Reprint Author's Address:

  • [Xu, Shuxue]Beijing Univ Technol, Coll Environm & Energy Engn, Beijing, Peoples R China;;

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Source :

THERMAL SCIENCE

ISSN: 0354-9836

Year: 2024

Issue: 5A

Volume: 28

Page: 3617-3631

1 . 7 0 0

JCR@2022

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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