Energy performance improvements of a DEC system due to wet heat exchangers

Risultato della ricerca: Other

Abstract

This work concerns an innovative desiccant and evaporative cooling (DEC) system for building air conditioning. The original system is an experimental DEC air handling unit installed at the Solar Laboratory of the University of Palermo and recently modified and updated. With the aim to increase the cooling effect due to water evaporation in the return air flow rate, the sensible heat exchanger was replaced with two cross flow flat plate heat exchangers installed in series, with continuous humidification of the secondary air flow. The new thermodynamic cycle is theoretically described and the realization of the real application is shown. Detailed operational data and energy performance indicators are presented and compared to the previous configuration.
Lingua originaleEnglish
Numero di pagine6
Stato di pubblicazionePublished - 2011

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