Please use this identifier to cite or link to this item: http://ktisis.cut.ac.cy/handle/10488/192
Title: Exergy analysis of lithium bromide/water absorption systems
Authors: Sencan, Arzu 
Yakut, Kemal A. 
Kalogirou, Soteris A. 
Sencan, Arzu 
Yakut, Kemal A. 
Kalogirou, Soteris A. 
Keywords: Absorption refrigerator
Absorption heat pump
Exergy
Second law analysis
Issue Date: 2005
Publisher: Elsevier B. V.
Source: Renewable Energy, Vol. 30, no. 5, 2005, pp. 645-657
Abstract: Exergy analysis of a single-effect lithium bromide/water absorption system for cooling and heating applications is presented in this paper. Exergy loss, enthalpy, entropy, temperature, mass flow rate and heat rate in each component of the system are evaluated. From the results obtained it can be concluded that the condenser and evaporator heat loads and exergy losses are less than those of the generator and absorber. This is due to the heat of mixing in the solution, which is not present in pure fluids. Furthermore, a simulation program is written and used for the determination of the coefficient of performance (COP) and exergetic efficiency of the absorption system under different operating conditions. The results show that the cooling and heating COP of the system increase slightly when increasing the heat source temperature. However, the exergetic efficiency of the system decreases when increasing the heat source temperature for both cooling and heating applications.
URI: http://ktisis.cut.ac.cy/handle/10488/192
ISSN: 0960-1481
DOI: 10.1016/j.renene.2004.07.006
Rights: Copyright © 2004 Elsevier Ltd All rights reserved.
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