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Conference paper

Computer Simulation of Heat and Mass Transfer in a Cross Flow Parallel Plate Liquid Desiccant-Air Dehumidifier

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1Solar Energy Research Institute, University Kebangsaan Malaysia 43600 Bangi, Selangor, Malaysia

Published
2 September 2012
Pages
1912-1922
Received
2 September 2012
DOI
10.65582/set.2012.203
Access
Open access, © 2012 Copyright WSSET
Download PDF11 pages · 547 KB

Abstract

A computer simulation using MATLAB is investigated to predict the distribution of air stream parameters (humidity and temperature) as well as desiccant parameters (temperature and concentration) inside the parallel plate absorber. The present absorber consists of fourteen parallel plates with a surface area per unit volume ratio of 80 m²/m³. Calcium chloride as a liquid desiccant flows through the top of the plates to the bottom while the air flows through the gap between the plates making it a cross flow configuration. The model results show the effect of desiccant mass flow rate on the performance of the dehumidifier (moisture removal and dehumidifier effectiveness). Performance comparisons between present cross –flow dehumidifier and another experimental cross-flow humidifier in the literature are carried out. The simulation is expected to help in optimizing of a cross flow dehumidifier.

© 2012 Copyright WSSET

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