2 resultados para GARCAS POND

em Aston University Research Archive


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The session draws upon experiences highlighted within a series of ongoing CSR/sustainability teaching days organized through the British Academy of Management CSR Special Interest Group, designed to encourage UK schools to develop new innovative curricula and to engage with the UN PRME initiative. The panel will consist of representatives from UK universities all of which are at different stages of developing responsible management curricula and have adopted different approaches towards these challenges.

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Liquid desiccant cooling systems (LDCS) are energy efficient means of providing cooling, especially when powered by low-grade thermal sources. In this paper, the underlying principles of operation of desiccant cooling systems are examined, and the main components (dehumidifier, evaporative cooler and regenerator) of the LDCS are reviewed. The evaporative cooler can take the form of direct, indirect or semi-indirect. Relative to the direct type, the indirect type is generally less effective. Nonetheless, a certain variant of the indirect type - namely dew-point evaporative cooler - is found to be the most effective amongst all. The dehumidifier and the regenerator can be of the same type of equipment: packed tower and falling film are popular choices, especially when fitted with an internal heat exchanger. The energy requirement of the regenerator can be supplied from solar thermal collectors, of which a solar pond is an interesting option especially when a large scale or storage capability is desired.