Authors:
N. Ben Ezzine Unité de Recherche Thermique et Thermodynamique des Procédés Industriels Département Energétique, Ecole Nationale d'Ingénieurs de Monastir Ibn El Jazzar 5019 Monastir, Tunisi

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M. Barhoumi Unité de Recherche Thermique et Thermodynamique des Procédés Industriels Département Energétique, Ecole Nationale d'Ingénieurs de Monastir Ibn El Jazzar 5019 Monastir, Tunisi

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K. Mejbri Unité de Recherche Thermique et Thermodynamique des Procédés Industriels Département Energétique, Ecole Nationale d'Ingénieurs de Monastir Ibn El Jazzar 5019 Monastir, Tunisi

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A. Bellagi Unité de Recherche Thermique et Thermodynamique des Procédés Industriels Département Energétique, Ecole Nationale d'Ingénieurs de Monastir Ibn El Jazzar 5019 Monastir, Tunisi

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Summary This paper deals with the modeling, thermodynamic analysis and comparison of irreversibility in two configurations of the double generator absorption chiller. First a computer simulation model is developed for each configuration on the basis of mass and energy balances. Simulation results were then used to analyse the entropy generation and irreversibility (or exergy destruction) of each component. It is found that the parallel flow configuration is more powerful than the serie flow configuration. Exergy losses in the parallel flow configuration are lower than that of the serie flow. The results indicate that the absorber and the solution heat exchangers have the most potential to improve the chiller energy efficiency. Also they indicate that focusing on irreversibility is more direct way of analysing the potential for improving the efficiency of ammonia-water absorption chiller.

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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation
1969
Volumes
per Year
1
Issues
per Year
24
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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