Performance of film absorbers under the effect of a contaminant non-absorbable gas

H. M. Sabir and I. W. Eames

Applied Energy, 1999, vol. 63, issue 4, 255-267

Abstract: This paper presents a method of calculating the effects of the presence of non-absorbable gases on the performance of the absorber of vapour absorption refrigeration systems. The paper, which uses data for lithium bromide/water system with air as a contaminant, shows the detrimental effects of such gases on the overall effectiveness of the absorber. It is shown that the reduction in performance, due to the presence of a non-absorbable gas, can be offset by either introducing turbulence into the vapour/gas mixture in the absorber or choosing a larger absorber. Calculations of the reduction in COP, due to hydrogen build-up in the absorber of a LiBr/ H2O system, are also presented.

Keywords: Non-absorbable; gases; Film; absorbers; Vapour; absorption; refrigeration (search for similar items in EconPapers)
Date: 1999
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