A review on packed bed solar energy storage systems

Harmeet Singh, R.P. Saini and J.S. Saini

Renewable and Sustainable Energy Reviews, 2010, vol. 14, issue 3, 1059-1069

Abstract: Because of intermittent nature of solar energy, storage is required for uninterrupted supply in order to match the needs. Packed beds are generally used for storage of thermal energy from solar air heaters. A packed bed is a volume of porus media obtained by packing particles of selected material into a container. A number of studies carried out on packed beds for their performance analysis were reported in the literature. These studies included the design of packed beds, materials used for storage, heat transfer enhancement, flow phenomenon and pressure drop through packed beds. This paper presents an extensive review on the research carried out on packed beds. Based on the literature review, it is concluded that most of the studies carried out are on rocks and pebbles as packing material. A very few studies were conducted on large sized packing materials. Further no study has been reported so far on medium sized storage elements in packed beds.

Keywords: Sensible; heat; storage; Packed; beds; Sphericity; Void; fraction (search for similar items in EconPapers)
Date: 2010
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Citations: View citations in EconPapers (44)

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