Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/9081
Title: Raising evaporative cooling potentials using combined cooled ceiling and MPCM slurry storage
Authors: Wang, X
Niu, J 
van Paassen, AHC
Keywords: Cooled ceiling
Evaporative cooling
Hybrid system
MPCM slurry
Thermal energy storage
Issue Date: 2008
Publisher: Elsevier
Source: Energy and buildings, 2008, v. 40, no. 9, p. 1691-1698 How to cite?
Journal: Energy and buildings 
Abstract: Evaporative cooling is able to generate the cooling medium at a temperature approaching to the ambient wet bulb temperature. In this paper, a low-energy air-conditioning strategy is proposed, which is a combination of cooled ceiling (CC), microencapsulated phase change material (MPCM) slurry storage and evaporative cooling technologies. The assessment of evaporative cooling availability and utilization is done for five representative climatic cities, including Hong Kong, Shanghai, Beijing, Lanzhou and Urumqi in China, and the energy saving potential of the proposed air-conditioning system is analyzed by using a well validated building simulation code. The results indicate that the new system offers energy saving potential up to 80% under northwestern Chinese climate and up to 10% under southeastern Chinese climate. The optimal design method of the slurry storage tank is also proposed based on the slurry cooling storage behaviors and cooling demand variations of the ceiling panels.
URI: http://hdl.handle.net/10397/9081
ISSN: 0378-7788
EISSN: 1872-6178
DOI: 10.1016/j.enbuild.2008.02.028
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