Journal
APPLIED THERMAL ENGINEERING
Volume 52, Issue 1, Pages 38-45Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.applthermaleng.2012.11.003
Keywords
Absorption heat transformer; Water purification; Distillation; Exergy analysis; Heat pump
Funding
- CONACYT-UAEM project [84262]
- PAPIIT-UNAM project [IN103409]
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In the present study, first and second laws of thermodynamics have been used to analyse the performance of an experimental absorption heat transformer for water purification. Irreversibilities, coefficients of performance (COP) and exergy coefficients of performance (ECOP) were determined as function of the mass flow of hot water supplied to the generator and as function of the overall thermal specific energy consumption (OSTEC) parameter defined in this paper. The results showed that the system irreversibilities increase meanwhile the coefficients of performance and the exergy coefficient of performance decrease with an increment of the mass flow of hot water supplied to the generator. Also it was shown that the system performance is better when the production of purified water increases due to the increment of the heat recycled to the generator and evaporator. (c) 2012 Elsevier Ltd. All rights reserved.
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