Essay On Desiccant Cooling System

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Introduction Using low grade heat source such as solar, waste heat and geothermal for cooling and dehumidification would positively reduce the energy consumption; especially in coastal regions of the country. There is need of such environment friendly systems. There are three, well-known methods for Cooling/dehumidification, i.e. Rankine cycle cooling, desiccant dehumidification/ evaporative cooling, absorption cooling. The heat input for these processes are low grade and hence heat energy for these processes can be provided by solar applications. [Analysis and Design of Efficient Absorbers for Low-Temperature Desiccant Air Conditioners] Why dehumidifier is better than air conditioners? Over a period of time, desiccant cooling systems has gained popularity due to its advantages. Ozone depleting refrigerants are not used in desiccant cooling system. Hence liquid desiccant system is environment friendly. Liquid Desiccant cooling system combines various mechanisms…show more content…
Ozone depleting refrigerants are not used in desiccant cooling system. Hence liquid desiccant system is environment friendly. Liquid Desiccant cooling system combines various mechanisms such as absorptive dehumidification, evaporation, heating and heat recovery. These techniques altogether gives us a cost effective energy saving cooling process. As compared to conventional air conditioners, liquid desiccant can offer much more energy savings. file:///C:/Users/SAYALI7830/Desktop/papers/desiccant%20papers/New%20folder/cooling%20with%20solar%20energy.pdf. Most commonly used desiccants are lithium chloride and calcium chloride. Calcium chloride is considerably cheap. Desiccant liquid can be regenerated by weaker heat source such as waste heat, solar energy. Along with the humidity, desiccant dehumidifier systems can be seen reducing latent and sensible heat load considerably. [Desiccant cooling systems: a

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