Distribution Solar Energy Collection And Central Storage Based On Phase Change Material

Abstract

Solar energy is a clean and inexhaustible energy. But it is an intermittent energy due to the weather and season. So the efficient use of solar energy is a very important research topic. In this paper we describe a system where the solar collecting system is a distribution system with a central storage part realized by pipeline transportation. For solar collecting system, the distribution structure used can solve the problem of heat collector with oversize for the floor space. It is well known that heat storage is an important part in solar collecting system. In the center heat storage part and heat storage materials are always water and gravel-water etc. , which use sensible heat to store thermal energy. But the sensible heat is limited due to its lack of capacity. Phase change material is a type of thermal energy storage material which has higher heat storage capability than that of sensible heat storage material. Therefore, phase change materials are used for thermal energy storage in the bad weather and related cases.Solar energy is a clean and inexhaustible energy. But it is an intermittent energy due to the weather and season. So the efficient use of solar energy is a very important research topic. In this paper we describe a system where the solar collecting system is a distribution system with a central storage part realized by pipeline transportation. For solar collecting system, the distribution structure used can solve the problem of heat collector with oversize for the floor space. It is well known that heat storage is an important part in solar collecting system. In the center heat storage part and heat storage materials are always water and gravel-water etc. , which use sensible heat to store thermal energy. But the sensible heat is limited due to its lack of capacity. Phase change material is a type of thermal energy storage material which has higher heat storage capability than that of sensible heat storage material. Therefore, phase change materials are used for thermal energy storage in the bad weather and related cases

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