An experimental study of a forced parallel flow solar collector/regenerator using liquid desiccant
Date
2003
Authors
Alizadeh, S.
Saman, W.Y.
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Conference paper
Citation
Solar Energy, 2003, vol.73, iss.5, pp.345-362
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(25 Nov 2001 - 30 Nov 2001 : Adelaide)
Abstract
One of the main components of a liquid desiccant cooling system is the regenerator. In a liquid desiccant air conditioner, outside air is dehumidified by liquid desiccant and cooled within the absorber. The diluted desiccant solution thus obtained has to be concentrated for reuse, by passing through the generator and the cycle is, consequently, repeated. The regenerator used in this application is a forced parallel flow type solar collector/regenerator. The regenerator has been designed and optimized and the prototype of the solar collector/regenerator has been built and tested. Calcium chloride has been used as the absorbent solution. The results of the tests conducted as a parametric analysis indicate that the air solution mass flow-rates and the climatic conditions affect the regenerator performance. Furthermore, a comparison between the experimental data obtained and a previously developed model for a forced parallel flow solar collector/regenerator reveals that the experiments are in good agreement with the model predictions. Finally, it was concluded that the proposed solar collector/regenerator performs satisfactorily under the summer conditions of Adelaide, Australia. © 2003 Elsevier Science Ltd. All rights reserved.
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