Abstract
The performance of a hybrid solid desiccant (combination of desiccant wheel and vapor compression) system depends on heat recovery from the condenser of vapor compression system, the performance of the desiccant wheel and heat wheel. The performance of the desiccant wheel depends on regeneration temperature, wheel speed, flow rate and flow area for hot and cold fluids. Some research works have been carried out to increase the performance of hybrid desiccant cooling system with various affecting parameters. However, the heat recovery from the condenser exhaust has very limited experimental work. Keeping these things in mind, an attempt has been made to study the effect of the heat recovery from the condenser. It is observed that heat recovery from the condenser is not sufficient to meet the heating requirement for regeneration air. However it can reduce the heating requirement. As a result, the COP of the system increases from 2.8 to 3.45 for 100% fresh air. This result corresponds to regeneration temperature of 60°C for hot and humid climate in Roorkee, India.
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