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Author:

Xu, Shuxue (Xu, Shuxue.) | Niu, Jianhui (Niu, Jianhui.) | Ma, Guoyuan (Ma, Guoyuan.) (Scholars:马国远) | Wu, Junfeng (Wu, Junfeng.)

Indexed by:

EI Scopus SCIE

Abstract:

In this paper, a composite two-stage ventilation heat recovery system with heat pipe and heat pump is proposed, heat pipe is used to recover the exhaust air energy to improve the operating performance of the system under all operating conditions. The split heat pipe heat exchanger is designed and manufactured, the working characteristics and performance of the composite heat recovery system under different working conditions are tested, and it is compared with the parallel-loop heat pump ventilation heat recovery system also. The results show that the optimal working fluid charge rate of the split heat pipe used in the composite system is 50 %-60 %, the temperature efficiency of the composite system in winter is higher than 64.31 %, the heating COP is up to 7.17, and the total heating capacity is 5.09 kW. Temperature efficiency and heating capacity of the system are 4.01 %- 66.6 % and 7.68 %-67.19 % higher than that of the double loop heat pump heat recovery system, respectively.

Keyword:

Temperature efficiency Heat recovery Heat pipe COP Heat pump

Author Community:

  • [ 1 ] [Xu, Shuxue]Beijing Univ Technol, Beijing 100124, Peoples R China
  • [ 2 ] [Niu, Jianhui]Beijing Univ Technol, Beijing 100124, Peoples R China
  • [ 3 ] [Ma, Guoyuan]Beijing Univ Technol, Beijing 100124, Peoples R China
  • [ 4 ] [Niu, Jianhui]Hebei Univ Architecture, Zhangjiakou 075000, Peoples R China
  • [ 5 ] [Wu, Junfeng]State Key Lab High End Compressor & Syst Technol, Hefei 230031, Anhui, Peoples R China

Reprint Author's Address:

  • [Ma, Guoyuan]Beijing Univ Technol, Beijing 100124, Peoples R China;;

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Related Keywords:

Source :

ENERGY

ISSN: 0360-5442

Year: 2024

Volume: 304

9 . 0 0 0

JCR@2022

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 2

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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