Thermal performance analysis of a phase change thermal storage unit for space heating

E. Halawa and W. Saman

Renewable Energy, 2011, vol. 36, issue 1, 259-264

Abstract: This paper presents the results of a comprehensive numerical study on the thermal performance of an air based phase change thermal storage unit (TSU) for space heating. The unit is designed for integration into space heating and cooling systems. The unit consists of a number of one dimensional phase change material (PCM) slabs contained in a rectangular duct where air passes between the slabs. The numerical analysis was based on an experimentally validated model. A parametric study has been carried out including the study on the effects of charge and discharge temperature differences, air mass flow rate, slab thicknesses, air gaps and slab dimensions on the air outlet temperatures and heat transfer rates of the thermal storage unit. The paper introduces and discusses quantities called charge and discharge temperature differences which play an important role in the melting and freezing processes.

Keywords: Thermal storage; Phase change materials; Space heating and cooling (search for similar items in EconPapers)
Date: 2011
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Citations: View citations in EconPapers (19)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:36:y:2011:i:1:p:259-264

DOI: 10.1016/j.renene.2010.06.029

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