Journal
ENERGY AND BUILDINGS
Volume 62, Issue -, Pages 522-529Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.enbuild.2013.03.044
Keywords
Suspended radiant panel; Inclined fins; Cooling/heating capacity; Heat exchange coefficient
Funding
- National Natural Science Foundation of China [51006058, 51138005]
- foundation for the author of National Excellent Doctoral Dissertation of China [201049]
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This paper studies a new type of suspended metal ceiling radiant panel (CRP) with inclined aluminum fins by experiment. The experiment is conducted in two test rooms with different dimensions for both cooling and heating working conditions. The aim of this paper is to study the cooling and heating performance and to determine both convective and radiant heat transfer coefficient of the CRP in test rooms. The cooling or heating capacity of the panel is strongly influenced by internal surface temperature, air temperature and the room dimension. For the typical test condition, the cooling/heating capacities of the suspended metal CRP in Test Room land Test Room II are summarized. The radiant heat transfer coefficient is almost a constant for all the cases around 5.5 W/(m(2) K). The correlation of convective heat transfer coefficient is obtained. In typical office room, the cooling capacity of the CRP with inclined fins is about 19% larger than the suspended panel. In addition, the panel shows potential of free cooling when applied in buildings with large area of glass envelopes. (C) 2013 Elsevier B.V. All rights reserved.
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