Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/37169
Title: A comparison of indoor humidity behaviors : all-air and chilled-ceiling with desiccant cooling
Authors: Zhang, LZ
Niu, JL 
Zuo, H
Keywords: Radiant cooling
Humidity
Desiccant cooling
Condensation
Issue Date: 2002
Source: Proceedings of Indoor Air 2002 - The 9th International Conference on Indoor Air Quality and Climate, Monterey, California, 30 June to 5 July 2002, p. 301-306 How to cite?
Abstract: Indoor humidity behaviors with a system combining chilled-ceiling and desiccant cooling (CC+DC) in hot and humid climates are investigated and compared with a conventional constant volume all-air system (CAV). Room mean temperature, mean humidity, maximum RH on the ceiling panel surfaces, annual condensation hours are predicted using a building energy simulation code ACCURACY and a moisture balance analysis method in an office room under Hong Kong weather conditions. The results show that the system controls the indoor humidity poorly in transient seasons, but in comparison, the CC+DC system provides better indoor humidity environment most of the year. For CC+DC, air dehumidification and ventilation system should be operated at least one hour earlier than the operation of ceiling panels. Otherwise, condensation may occur.
URI: http://hdl.handle.net/10397/37169
Appears in Collections:Conference Paper

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