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Effect of ambient conditions on the first and second law performance of an open desiccant cooling process

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dc.creator ALTUNTOP, Necdet
dc.creator Bolatturk, Ali
dc.creator KANOĞLU, Mehmet
dc.date 2007-04-30T21:00:00Z
dc.date.accessioned 2020-10-06T10:32:38Z
dc.date.available 2020-10-06T10:32:38Z
dc.identifier 76090a06-1fbb-4822-bb15-cf8bba0a9e64
dc.identifier 10.1016/j.renene.2006.04.001
dc.identifier https://avesis.sdu.edu.tr/publication/details/76090a06-1fbb-4822-bb15-cf8bba0a9e64/oai
dc.identifier.uri http://acikerisim.sdu.edu.tr/xmlui/handle/123456789/63698
dc.description An open desiccant cooling process is presented and applied to ventilation and recirculation modes of the system operation. The cooling system consists of a desiccant wheel, a rotary regenerator, two evaporative coolers, and a heating unit. Certain ideal operating characteristics based primarily on the first, law of thermodynamics are assumed for each component. The system with indoor and outdoor A RI conditions has a thermal coefficient of performance (COP) of 1.17 in ventilation mode and 1.28 in recirculation mode. A second law analysis is also performed and at ARI conditions, the reversible COP of the system is determined to be 2.63 in ventilation mode and 3.04 in recirculation mode. Variation of the first and second law based COP terms and cooling load with respect to ambient temperature and relative humidity are investigated in both modes or the system operation. The results of the analysis provide an upper limit for the system performance at various ambient conditions and may serve as a model to which actual desiccant cooling systems may be compared. As an additional study, a non-ideal system operation is considered and it is determined that both the COP and cooling load decrease with increasing ambient temperature and relative humidity, and they approach zero at high values of ambient temperature and humidity. (c) 2006 Elsevier Ltd. All rights reserved.
dc.language eng
dc.rights info:eu-repo/semantics/closedAccess
dc.title Effect of ambient conditions on the first and second law performance of an open desiccant cooling process
dc.type info:eu-repo/semantics/article


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