For tropical countries, solar space cooling is an attractive proposition. Dehumidification of air in hot, humid climates is almost as important as cooling. Removal of moisture from the air is much easier to achieve than cooling the air. The proposed cooling system operates on the ventilation mode. The ambient air is dehumidified using liquid desiccants followed by adiabatic evaporative cooling. The desiccant soon becomes saturated with the water extracted from the air and can be regenerated by using solar energy. For this system, a simple expression is derived in this paper to predict the amount of heat removed from the space to be conditioned in terms of known initial parameters through a simplified vapor pressure correlation and effectiveness of the dehumidifier and the heat exchanger. The effect of ambient air conditions, solution concentration, the cooling water temperature and the effectiveness of the dehumidifier and the heat exchanger on the performance of the cooling system are also discussed in this paper.
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December 1990
Research Papers
Analysis of a Solar Space Cooling System Using Liquid Desiccants
P. Gandhidasan
P. Gandhidasan
Mechanical Engineering Department, Texas Tech University, Lubbock, TX 79409
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P. Gandhidasan
Mechanical Engineering Department, Texas Tech University, Lubbock, TX 79409
J. Energy Resour. Technol. Dec 1990, 112(4): 246-250 (5 pages)
Published Online: December 1, 1990
Article history
Received:
May 12, 1990
Revised:
October 16, 1990
Online:
April 16, 2008
Citation
Gandhidasan, P. (December 1, 1990). "Analysis of a Solar Space Cooling System Using Liquid Desiccants." ASME. J. Energy Resour. Technol. December 1990; 112(4): 246–250. https://doi.org/10.1115/1.2905767
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