A pre-cooling Munters environmental control desiccant cooling cycle in combination with chilled-ceiling panels

L.z Zhang and J.l Niu

Energy, 2003, vol. 28, issue 3, 275-292

Abstract: Desiccant cooling is efficient in latent cooling, whereas chilled-ceiling is efficient for sensible cooling. In this paper, a new desiccant cooling system, a pre-cooling Munters environmental control (PMEC) cycle is proposed, which combines with chilled-ceiling panels. The mathematical model of the system is provided and used to predict the system performance under South-east China weather conditions using hour-by-hour calculations. The results indicate that chilled-ceiling combined with desiccant cooling could save up to 40% of primary energy consumption, in comparison with a conventional constant volume all-air system. More interestingly, more than 99% of annual operating hours for desiccant regeneration could be accomplished by low-grade heat of less than 80 °C with the new cycle, while 30% annual operating hours need heat higher than 80 °C with the old MEC cycle.

Date: 2003
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Citations: View citations in EconPapers (8)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:28:y:2003:i:3:p:275-292

DOI: 10.1016/S0360-5442(02)00114-7

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