Experimental investigation of an advanced adsorption refrigeration cycle

Bidyut Baran Saha, Takao Kashiwagi

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Abstract

Experimental measurements are made for a silica gel-water advanced adsorption refrigeration chiller (1.2-kW [4,095-Btu/h] cooling capacity) to evaluate its performance under different temperature and adsorption/desorption cycle time conditions. This paper describes the operating principle of the chiller, outlines the experimental hardware, and discusses results obtained by varying the cooling and hot water inlet temperatures and adsorption/desorption cycle times, as well as their agreement with the simulated results given by a lumped parameter model. The chiller performance is analyzed in terms of cooling capacity and coefficient of performance (COP). Excellent qualitative agreement was obtained between the experimental data and simulated results. The results showed the advanced three-stage cycle to be particularly well suited for operation with low-grade-temperature waste heat as the driving source, since it worked with small regenerating temperature lifts (heat source - heat sink temperature) of 10 to 30 K.

Original languageEnglish
Pages (from-to)50-58
Number of pages9
JournalUnknown Journal
Volume103
Issue numberpt 2
Publication statusPublished - 1997
Externally publishedYes

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All Science Journal Classification (ASJC) codes

  • Fluid Flow and Transfer Processes

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