LATENT HEAT STORAGE SYSTEM FOR SOLAR THERMAL ENERGY APPLICATIONS

Raam Dheep. G and Sreekumar. A

No 2014-03-23, Working papers from Voice of Research

Abstract: The progression of energy supply always possesses some difficulty as the supply does not commensurate with demand. The demand for energy remains higher than production which always leads to imprudent exploitation of precious natural resources, which is available in limited quantities on the mother earth. Energy from non-renewable resources leads to dwindling of natural sources and global warming, whereas energy from renewable resources is sporadic. Solar energy is the primary energy source in renewable energy. The intermittent nature of solar energy necessitates the use of a storage medium. The storage medium stores energy when it is available in excess quantities and delivers the stored energy when the supply is inadequate. Thermal energy storage system plays a major role to achieve high efficiency and uninterrupted operation for solar thermal energy applications such as space heating, solar drying, solar water heating, and industrial process heat and electricity generation. In this article, an attempt has been made to focus on the scope of thermal energy storage system and different techniques of storing solar thermal energy. Scientific investigation was carried out to determine the suitability of an organic phase change material in solar thermal energy storage. This article is expected to be an aid to the scientific society to explore current trends, opportunities and advancement in solar thermal energy storage systems. Key words: Solar energy, Latent heat storage, Phase change materials, Thermal energy storage, Thermo-physical properties.

Date: 2014-03
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