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|Title:||Experimental study on performance improvement of a four-bed adsorption chiller by using heat and mass recovery|
|Authors:||Ng, K.C. |
Heat and mass recovery
|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|
|Appears in Collections:||Staff Publications|
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