Solar adsorption Air Coditioning (SAAC) system is similar to vapor compression 
system in which compressor is replaced by solar heat driven adsorption bed. 
The adsorption bed is integrated with a flat plate solar collector and contains a 
porous adsorbent medium (CaCl2). The adsorbed content of refrigerant varies cyclically, depending on the adsorbent temperature and system pressure, which varies between a maximum limit set by the condensation pressure and a minimum limit imposed by the evaporation pressure. Refrigerant used is NH3 as it has greater affinity towards the salt (CaCl2). This model is a design model for Solar Adsorption Air conditioning System (SAAC). Solar flat plate collector is attached to the bed reactor for heat generation process. The cycle contains the following:
1-Evaporator.
2-Bed reactor tank.
3-Solar collector (FPC/water).
4-Condenser.
5-Expansion valve.
6-CaCl2 is used as a bed salt.
7-NH3 is used as a main refrigerant.

8-Excell sheet for saturated liquid & vapor lines and superheat region.

 

**MatLab-SimuLink should be used to run the model.

Copyright © 2007 by Mohamed A. Sharaf Eldean Ayoub

All rights reserved. 
No part of this work may be reproduced, distributed, or transmitted in any form or by any means, including photocopying, recording, or other electronic or mechanical methods, without the prior written permission of the publisher (Mohamed A. Sharaf Eldean Ayoub). For permission requests, write to the publisher, addressed “Attention: Permissions Coordinator,” at the address below.

 

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Solar Adsorption (CaCl2-NH3) for Air Conditioning

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