Abstract
Heat pump is mainly applied for HVAC in domestic and industrial applications in many countries. One of key applications of heat pump is dryer of fruits and vegetables. Many noted research is going on heat pump dryer with respect to the required conditions. Most commonly used refrigerants in the heat pumps are CFCs and HCFCs. Due to the ozone depletion, those refrigerants are unfit for the heat pump applications for better environmental considerations. So the alternative refrigerant for heat pump is to be applied for avoiding environmental pollution. Forbetter performance, many researches are going on CO2 as an alternative refrigerant for HVAC applications. In this paper, a heat pump dryer setup was proposed and numerical modeling was done for mushroom drying application. The performance of heat pump was also been studied for various required conditions.
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