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Computation 2016, 4(4), 44; doi:10.3390/computation4040044

Mathematical Model of a Lithium-Bromide/Water Absorption Refrigeration System Equipped with an Adiabatic Absorber

Mechanical Engineering Department, University of Malta, Msida MSD 2080, Malta
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Author to whom correspondence should be addressed.
Academic Editor: Qinjun Kang
Received: 13 October 2016 / Revised: 3 November 2016 / Accepted: 11 November 2016 / Published: 17 November 2016
(This article belongs to the Section Computational Engineering)
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Abstract

The objective of this paper is to develop a mathematical model for thermodynamic analysis of an absorption refrigeration system equipped with an adiabatic absorber using a lithium-bromide/water (LiBr/water) pair as the working fluid. The working temperature of the generator, adiabatic absorber, condenser, evaporator, the cooling capacity of the system, and the ratio of the solution mass flow rate at the circulation pump to that at the solution pump are used as input data. The model evaluates the thermodynamic properties of all state points, the heat transfer in each component, the various mass flow rates, and the coefficient of performance (COP) of the cycle. The results are used to investigate the effect of key parameters on the overall performance of the system. For instance, increasing the generator temperatures and decreasing the adiabatic absorber temperatures can increase the COP of the cycle. The results of this mathematical model can be used for designing and sizing new LiBr/water absorption refrigeration systems equipped with an adiabatic absorber or for optimizing existing aforementioned systems. View Full-Text
Keywords: absorption refrigeration system; adiabatic absorber; LiBr/water solution absorption refrigeration system; adiabatic absorber; LiBr/water solution
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Osta-Omar, S.M.; Micallef, C. Mathematical Model of a Lithium-Bromide/Water Absorption Refrigeration System Equipped with an Adiabatic Absorber. Computation 2016, 4, 44.

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