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RESEARCH PAPERS

A Liquid Sorption-Desorption System for Air Conditioning With Heat at Lower Temperature

[+] Author and Article Information
G. Scalabrin

Istituto di Fisica Tecnica, Universita di Padova; Istituto per la Tecnica del Freddo, C. N. R., Padova, Italy

G. Scaltriti

Istituto di Impianti Chimici, Universita di Padova, Padova, Italy

J. Sol. Energy Eng 112(2), 70-75 (May 01, 1990) (6 pages) doi:10.1115/1.2929649 History: Received March 22, 1987; Revised November 16, 1989; Online June 06, 2008

Abstract

An open process of summer air conditioning by dehumidification-humidification is presented and simulated. Air dehumidification is achieved in an absorption column through direct contact with a hygroscopic solution over a cooling tube bank inside which water flows, coming from a cooling tower. After heat exchange with the cooler outlet air, the processed air is adiabatically humidified. The diluted solution is reconcentrated in a desorber by direct contact with external air over a heating tube bank, inside which water flows, coming from an external heating or heat recovery system. A heat exchanger recovers sensible heat between inlet and outlet air. The independent variables controlling the process and their variation effects on its performance are defined through the study of three different modes of operation. The system performance for a certain number of cases are presented as well.

Copyright © 1990 by The American Society of Mechanical Engineers
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