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Application potential of solar-assisted desiccant cooling system in sub-tropical Hong Kong.

Author(s) : FONG K. F., CHOW T. T.

Summary

Feasibility study of solar-assisted desiccant cooling system (SDCS) in Hong Kong has been conducted, by comparing the two major approaches - the outdoor air (OA) scheme and the mixed air (MA) scheme. In the former, desiccant cooling would fully make use of OA to satisfy the required cooling load. In the latter, MA from the pretreated OA and the return air would be mixed and supplied for cooling purpose. In principle, the latter may be better due to the enthalpy conservation from the return air. However, from the year-round simulation study by using TRNSYS, it was found that the OA scheme would provide better cooling and energy performance under the typical meteorological year of Hong Kong. The system design of SDCS would depend on the local climatic conditions, and the extent of solar irradiation, air temperature and humidity should be considered thoroughly in the study.

Details

  • Original title: Application potential of solar-assisted desiccant cooling system in sub-tropical Hong Kong.
  • Record ID : 2008-2669
  • Languages: English
  • Subject: General information
  • Source: Clima 2007. WellBeing Indoors. Proceedings of the 9th REHVA World Congress [CD-ROM + Abstract book].
  • Publication date: 2007/06/10

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