Water adsorption dynamics on representative pieces of real adsorbers for adsorptive chillers

Salvatore Santamaria, Alessio Sapienza, Andrea Frazzica, Angelo Freni, Ilya S. Girnik and Yuri I. Aristov

Applied Energy, 2014, vol. 134, issue C, 19 pages

Abstract: Dynamic optimization of adsorbent-heat exchangers (Ad-HExs) represents a key issue for the broader diffusion of adsorption cooling and heating (ACH) technologies. This paper is a sequel to an earlier one (Sapienza et al., 2014) that described the study of an ideal Ad-HEx configuration (loose adsorbent grains placed on a flat metal plate) by a new gravimetric version of the large temperature jump method. In the present paper, the study is extended to analyse the dynamic behaviour of HExs with much more complex geometry, namely, small but representative pieces of a finned flat-tube HEx. The Ad-HEx configuration tested is obtained by filling these small HExs with loose grains of AQSOA FAM Z02. The aim of the study is to evaluate the effect of the HEx geometry, grain size and flow rate of heat transfer liquid. The results obtained are compared with a reference flat Ad-HEx configuration.

Keywords: Adsorption cooling; Adsorber optimization; Adsorption dynamics; Optimal grain size (search for similar items in EconPapers)
Date: 2014
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Citations: View citations in EconPapers (21)

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DOI: 10.1016/j.apenergy.2014.07.053

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