Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.ijheatmasstransfer.2006.01.053
Title: Experimental study on performance improvement of a four-bed adsorption chiller by using heat and mass recovery
Authors: Ng, K.C. 
Wang, X. 
Lim, Y.S.
Saha, B.B.
Chakarborty, A.
Koyama, S.
Akisawa, A.
Kashiwagi, T.
Keywords: Adsorption chiller
Adsorption cycle
Heat and mass recovery
Pressure equalization
Valve-timing delay
Issue Date: Sep-2006
Source: Ng, K.C., Wang, X., Lim, Y.S., Saha, B.B., Chakarborty, A., Koyama, S., Akisawa, A., Kashiwagi, T. (2006-09). Experimental study on performance improvement of a four-bed adsorption chiller by using heat and mass recovery. International Journal of Heat and Mass Transfer 49 (19-20) : 3343-3348. ScholarBank@NUS Repository. https://doi.org/10.1016/j.ijheatmasstransfer.2006.01.053
Abstract: The efficacy of a four-bed adsorption chiller has been studied experimentally with respect to a simple but yet effective passive heat and mass recovery schemes. It substantially improves the adsorption chiller COP by as much as 30% over a broad range of cycle time with a wide heat source, coolant and chilled water temperatures. Two schemes have been considered here: Firstly, only the mass recovery is achieved by pressure equalization between the concomitantly cooled adsorber and heated desorber, exploiting the intrinsic vapor-uptake potential by pressure swing that remains in the adsorbent at the end of a half-cycle. Secondly, when both the heat and mass recovery schemes are employed at a rating point of maximum cooling capacity, the chiller COP could increase further to as much as 48%. These improvements are performed without additional hardware changes to the adsorption chiller. © 2006 Elsevier Ltd. All rights reserved.
Source Title: International Journal of Heat and Mass Transfer
URI: http://scholarbank.nus.edu.sg/handle/10635/60259
ISSN: 00179310
DOI: 10.1016/j.ijheatmasstransfer.2006.01.053
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