Renewable Energy Development in Africa

Proceedings of the African Energy Programme Conference, 25–29 March 1985, Mauritius, Volume 2

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Experiments on an Open-Cycle Solar Regenerated Desiccant Bed Grain Cooling System

Grain can be protected from insect attack, and have its properties preserved by cooling it to temperatures around 15C. In temperate climates, grain can be cooled effectively by aerating it with cool atmospheric air, but the degree of cooling is limited by the heat of absorption released as the grain absorbs moisture from the air. In tropical climates this problem is compounded by the generally high ambient dry-bulb temperatures.


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