Journal
INTERNATIONAL JOURNAL OF REFRIGERATION-REVUE INTERNATIONALE DU FROID
Volume 30, Issue 1, Pages 86-95Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ijrefrig.2006.08.004
Keywords
adsorption system; carbon fibre; ethanol; chiller; design; modelling
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This article presents the transient modelling for a two-bed, activated carbon fiber (ACF)-ethanol adsorption chiller. This innovative adsorption chiller employs pitch based ACF of type A-20 as adsorbent which is a fibrous adsorbent having the advantages of fast adsorption rate, high porosity and ease of handling when compared with granular adsorbents and powdered adsorbents. Ethanol is used as refrigerant as it has no harm to environment, it is a non-toxic substance, moreover, ethanol has comparatively higher vapor pressure even at low temperature. This innovative system utilizes effectively low-temperature waste heat sources of temperature between 60 and 95 degrees C along with a coolant at 30 degrees C. We have found that, regardless of the initial mass distribution, the ACF-ethanol adsorption chiller is able to achieve the same cyclic-steady-state within three cycles or 1890s. (c) 2006 Elsevier Ltd and IIR. All rights reserved.
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