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Experimental investigation of nocturnal cooling assisted evaporative cooling system.

Étude expérimentale d'un système de refroidissement évaporatif assisté par un refroidissement nocturne.

Numéro : pap. n. 590



Nocturnal cooling is an age old technique to cool the structure based on the radiative cooling to the night sky where heat loss by long-wave radiation from one surface to another body at a lower temperature. The nocturnal radiative cooling technique can also cool the water up to 28-30°C in a hot and humid place. This relatively cold water can effectively be used to pre-cool the air in a properly designed finned tube cooling coil unit. A test facility is developed where a finned tube cooling coil unit facilitates cool the air followed by conventional evaporative cooling. Results show that direct evaporative cooler clubbed with cooling coil to pre-cool the air attains the temperature drop of the order of 11°C, almost 4°C higher than conventional evaporative cooling with a batter control of humidity, in a hot and humid environment.

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Pages : 8 p.


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  • Titre original : Experimental investigation of nocturnal cooling assisted evaporative cooling system.
  • Identifiant de la fiche : 30015703
  • Langues : Anglais
  • Source : Proceedings of the 24th IIR International Congress of Refrigeration: Yokohama, Japan, August 16-22, 2015.
  • Date d'édition : 16/08/2015
  • DOI : http://dx.doi.org/10.18462/iir.icr.2015.0590


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