Journal
ENERGY AND BUILDINGS
Volume 37, Issue 5, Pages 443-449Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.enbuild.2004.08.006
Keywords
partition-type fan-coil unit (PFCU); personalized air-conditioning system; thermal comfort; energy saving; thermal comfort index/predicted mean vote (PMV)
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This paper evaluates the performance of a personalized air-conditioning system, namely an innovative partition-type fan-coil unit (PFCU), against that of a central air-conditioning system, in terms of their thermal comfort provided and cooling energy consumed. For a cooling load given, it is found that the thermal comfort index (PMV) resulted from the personalized system is always lower than that from a central system. Also, the PMV-curve of the personalized system responds to the loads faster. The experimental results indicate that the personalized system, as compared to the central system, can shorten the operation time for the same level of thermal comfort required and save up to 45% of the energy consumed by the central system. As regards thermal comfort, the experiment with a thermal manikin substrates the PFCU design for its considerable reduction of the cold draft. (C) 2004 Elsevier B.V. All rights reserved.
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