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Solid absorbtion cycle solar energy: refrigeratores

By Gill W


There has been recent worldwide interest in the development of solar thermal powered refrigerators utilizing a solid absorber system. Here, we examine three absorber-working fluid combinations that have been proposed: zeolite/water, calcium chloride/ammonia, and activated charcoal/alcohol. Our experiments with the zeolite/water system are also discussed. It is concluded that the proper activation of the solid absorbent, heat transfer in the solar collector, and the circuits design have the greatest influence on the maximum COP obtainable.

Year: 1987
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