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TITLE : ENHANCEMENT OF SOLAR THERMAL STORAGE SYSTEM USING PCM  
ABSTRACT :

This paper summaries the investigation and analysis of thermal energy storage extracted from solar heater and use for domestic purpose. Choosing a suitable phase change materials paraffin wax and sodium acetate try hydrate are used for storing thermal energy in two different insulation tanks. Each tank carries minimum of 15 liters capacity of water. These two different phase change materials are encapsulated in balls and planted in two tanks. Inside the tank phase change materials are receiving hot water from solar panel. This solar energy is stored in encapsulated balls as latent heat energy. Latent heat is absorbed and stored in encapsulated PCM balls. Large quantity of solar energy can be stored in a day time and same heat can be retrieved for later use. PCM are kept in encapsulated balls and planted in the insulation container. Temperature of the water is measured in a definite interval of time. The heat storage system is to be applied to store solar energy and the stored heat is used to domestic hot water supply system and comparison study also taken place between two different encapsulated balls.

Key words: Solar panel, thermal storage system, PCM encapsulated balls.

 
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