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Title: Simulation and optimization of a LiBr solar absorption cooling system with evacuated tube collectors
Authors: Assilzadeh, F. 
Kalogirou, Soteris A. 
Ali, Yusoff D. 
Sopian, K. 
Major Field of Science: Engineering and Technology
Field Category: Environmental Engineering
Keywords: Air-conditioning;Solar energy;TRNSYS
Issue Date: Jul-2005
Source: Renewable Energy, 2005, Vol. 30, no. 8, pp. 1143-1159
Volume: 30
Issue: 8
Start page: 1143
End page: 1159
Journal: Renewable Energy 
Abstract: Solar radiation is a clean form of energy, which is required for almost all natural processes on earth. Solar-powered air-conditioning has many advantages when compared to a conventional electrical system. This paper presents a solar cooling system that has been designed for Malaysia and similar tropical regions using evacuated tube solar collectors and LiBr absorption unit. The modeling and simulation of the absorption solar cooling system is carried out with TRNSYS program. The typical meteorological year file containing the weather parameters for Malaysia is used to simulate the system. The results presented show that the system is in phase with the weather, i.e. the cooling demand is large during periods that the solar radiation is high. In order to achieve continuous operation and increase the reliability of the system, a 0.8 m3 hot water storage tank is essential. The optimum system for Malaysia's climate for a 3.5 kW (1 refrigeration ton) system consists of 35 m2 evacuated tubes solar collector sloped at 20°.
ISSN: 0960-1481
DOI: 10.1016/j.renene.2004.09.017
Rights: © Elsevier 2004
Type: Article
Affiliation : Higher Technical Institute Cyprus 
University Kebangsaan 
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