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Study of Solar Ejector Refrigerant System Using Refrigerant R717 in Office Building

[+] Author Affiliations
Hui-fan Zheng, Xiao-wei Fan, Hong-chao Liu

Zhongyuan University of Technology, Zhengzhou, Henan, China

Paper No. IMECE2013-63918, pp. V08CT09A056; 4 pages
doi:10.1115/IMECE2013-63918
From:
  • ASME 2013 International Mechanical Engineering Congress and Exposition
  • Volume 8C: Heat Transfer and Thermal Engineering
  • San Diego, California, USA, November 15–21, 2013
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-5636-9
  • Copyright © 2013 by ASME

abstract

A detailed simulation program calculating the performance of solar ejector refrigerant system for comfort air conditioning was presented in this paper. Based on the climatic conditions of xi’an region, the performance of a solar ejector refrigerant system for office building has been analyzed using R717 as refrigerant, the results show that the coefficient of performance (COP) of the system decline in time sequence, and the average COP about the specific days from May to August can arrive to 0.22, 0.12, 0.11, and 0.14. In addition, it is found that solar ejector refrigerant system can provide 13% to 83% heat cooling that the office building needed when the evacuated tube solar collector is 500m2 in xi’an specific days from May to August. The simulation method and results are both a useful reference for the design of solar ejector refrigerant system in xi’an region.

Copyright © 2013 by ASME

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