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Author:

Deng, Yuechao (Deng, Yuechao.) | Zhao, Yaohua (Zhao, Yaohua.) (Scholars:赵耀华) | Wang, Wei (Wang, Wei.) (Scholars:王伟) | Quan, Zhenhua (Quan, Zhenhua.) | Wang, Lincheng (Wang, Lincheng.) | Yu, Dan (Yu, Dan.)

Indexed by:

EI Scopus SCIE

Abstract:

A novel flat plate solar collector with micro-channel heat pipe array (MHPA-FPC) is presented in this paper. Firstly, a preliminary test was conducted to investigate the thermal performance of the MHPA. It has been found that the surface temperature along the length of MHPA can get stable within 2 min. The temperature difference between the evaporator and condenser sections was less than 1 degrees C, which indicates that the MHPA has excellent isothermal ability and quick thermal respond speed. Based on these advantages, the MHPA was applied to the development of a novel solar collector. The performance test was conducted following the Chinese standard GB/T4271-2007, and a linear correlation between the instantaneous efficiency eta and the reduced temperature parameter (T-wi-T-a).I-1 was established. The maximum instantaneous efficiency was found to be 80%, and the slope was -4.72. These values are 11.4% and 21.3% superior to the technical required values of the Chinese national standard. Test results were further compared with 6 groups of 15 samples coming either from either open literature or commercial products. The comparisons indicated that the maximum instantaneous efficiency of the MHPA-FPC surpassed 25% over the average level of those selected samples and better thermal insulation ability was presented by the MHPA-FPC. These results from this study demonstrate that the novel MHPA-FPC is one of the top level solar collectors among the current products. (C) 2013 Elsevier Ltd. All rights reserved.

Keyword:

Instantaneous efficiency Micro-channel heat pipe array Flat plate solar collector Experiment Thermal performance

Author Community:

  • [ 1 ] [Deng, Yuechao]Beijing Univ Technol, Coll Architecture & Civil Engn, Dept Bldg Environm, Beijing 100124, Peoples R China
  • [ 2 ] [Zhao, Yaohua]Beijing Univ Technol, Coll Architecture & Civil Engn, Dept Bldg Environm, Beijing 100124, Peoples R China
  • [ 3 ] [Wang, Wei]Beijing Univ Technol, Coll Architecture & Civil Engn, Dept Bldg Environm, Beijing 100124, Peoples R China
  • [ 4 ] [Quan, Zhenhua]Beijing Univ Technol, Coll Architecture & Civil Engn, Dept Bldg Environm, Beijing 100124, Peoples R China
  • [ 5 ] [Wang, Lincheng]Beijing Univ Technol, Coll Architecture & Civil Engn, Dept Bldg Environm, Beijing 100124, Peoples R China
  • [ 6 ] [Deng, Yuechao]Beijing Univ Technol, Coll Architecture & Civil Engn, Facil Engn, Beijing 100124, Peoples R China
  • [ 7 ] [Zhao, Yaohua]Beijing Univ Technol, Coll Architecture & Civil Engn, Facil Engn, Beijing 100124, Peoples R China
  • [ 8 ] [Wang, Wei]Beijing Univ Technol, Coll Architecture & Civil Engn, Facil Engn, Beijing 100124, Peoples R China
  • [ 9 ] [Quan, Zhenhua]Beijing Univ Technol, Coll Architecture & Civil Engn, Facil Engn, Beijing 100124, Peoples R China
  • [ 10 ] [Wang, Lincheng]Beijing Univ Technol, Coll Architecture & Civil Engn, Facil Engn, Beijing 100124, Peoples R China
  • [ 11 ] [Yu, Dan]Beijing Univ Civil Engn & Architecture, Coll Environm & Energy Engn, Beijing 100044, Peoples R China

Reprint Author's Address:

  • 赵耀华

    [Zhao, Yaohua]Beijing Univ Technol, Coll Architecture & Civil Engn, Dept Bldg Environm, 100 Pingleyuan, Beijing 100124, Peoples R China

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Source :

APPLIED THERMAL ENGINEERING

ISSN: 1359-4311

Year: 2013

Issue: 2

Volume: 54

Page: 440-449

6 . 4 0 0

JCR@2022

ESI Discipline: ENGINEERING;

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count: 113

SCOPUS Cited Count: 131

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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