Modeling and improvement of a packed bed latent heat storage filled with non-spherical encapsulated PCM-Elements

Matti Grabo, Emre Acar and Eugeny Y. Kenig

Renewable Energy, 2021, vol. 173, issue C, 1087-1097

Abstract: A thermal energy storage filled with a packed bed of macro-encapsulated latent heat storage elements is studied. Such a storage can be used in combination with, for example, a solar thermal heating system. Conventional capsule designs based on spherical shape do not allow for optimal packing density and heat transfer within the capsule. Therefore, capsule designs were introduced, which deviate from this basic geometry. These designs are built upon a super-ellipsoidal shape with multiple surface extensions, e.g. holes and grooves, in order to enhance heat transfer.

Keywords: Heat and cold storage; Latent heat; Phase change materials; Heat transfer; Packed beds (search for similar items in EconPapers)
Date: 2021
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Citations: View citations in EconPapers (6)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:173:y:2021:i:c:p:1087-1097

DOI: 10.1016/j.renene.2021.04.022

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