Modeling and Simulation of a Solar Assisted Desiccant Cooling System

Speaker(s): 
Date: 
December 2, 2004 - 12:00pm
Location: 
Bldg. 90
Seminar Host/Point of Contact: 

Increased living standards and high occupants comfort demands lead to a growth in air conditioning market. This results in high energy consumption and high CO2 emissions. For these reasons, the solar desiccant cooling system is proposed as an alternative to traditional air conditioning systems.   This system comprises a desiccant wheel containing Lithium Chloride in tandem with a rotating heat exchanger and two humidifiers on both supply and return air. The required regeneration temperature for the desiccant wheel varies between 40oC and 70oC which makes possible the use of solar flat plate collectors.  --The aim of this study is to evaluate the cooling potential of the system. Firstly, system  operation is described and then component models are shown. These models are implemented in SPARK. Finally some simulation results are shown.

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