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An Effectiveness-NTU Technique for Characterising a Finned Tubes PCM System using a CFD model

Lookup NU author(s): Dr Steven Tay

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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.


Publication metadata

Author(s): Tay NHS, Belusko M, Castell A, Cabeza LF, Bruno F

Publication type: Article

Publication status: Published

Journal: Applied Energy

Year: 2014

Volume: 131

Pages: 377-385

Print publication date: 15/10/2014

Online publication date: 12/07/2014

Acceptance date: 18/06/2014

ISSN (print): 0306-2619

ISSN (electronic): 1872-9118

Publisher: Pergamon Press

URL: http://dx.doi.org/10.1016/j.apenergy.2014.06.041

DOI: 10.1016/j.apenergy.2014.06.041


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