An effectiveness-NTU technique for characterising a finned tubes PCM system using a CFD model

N.H.S. Tay, M. Belusko, A. Castell, L.F. Cabeza and F. Bruno

Applied Energy, 2014, vol. 131, issue C, 377-385

Abstract: Numerical modelling is commonly used to design, analyse and optimise tube-in-tank phase change thermal energy storage systems with fins. A new simplified two dimensional mathematical model, based on the effectiveness-number of transfer units technique, has been developed to characterise tube-in-tank phase change material systems, with radial round fins. The model applies an empirically derived P factor which defines the proportion of the heat flow which is parallel and isothermal. This P factor was determined using a validated computational fluid dynamics model. This method can be used to design and optimise tube-in-tank salt based phase change thermal storage units with finned tubes.

Keywords: Effectiveness-NTU; Thermal storage system; Phase change material; Computational fluid dynamics; Finned tubes (search for similar items in EconPapers)
Date: 2014
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Citations: View citations in EconPapers (14)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:appene:v:131:y:2014:i:c:p:377-385

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DOI: 10.1016/j.apenergy.2014.06.041

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