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Approximate analytical solutions for the solidification of PCMs in fin geometries using effective thermophysical properties

Bauer, Thomas (2011) Approximate analytical solutions for the solidification of PCMs in fin geometries using effective thermophysical properties. International Journal of Heat and Mass Transfer, 54, pp. 4923-4930. Elsevier Ltd.. DOI: 10.1016/j.ijheatmasstransfer.2011.07.004. ISSN 0017-9310.

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Official URL: http://www.journals.elsevier.com/international-journal-of-heat-and-mass-transfer/

Abstract

Heat transfer enhancement of phase change materials (PCMs) is essential in order to achieve high charge and discharge powers of latent heat storage systems. The utilisation of highly conductive fins is an effective method to improve heat transfer. In the presented paper, solidification times of two fundamental geometries are examined by analytical modelling and numerical computation. These geometries are the finned plane wall and a single tube which is radial-finned on the outside. The paper describes approximate analytical solutions based on the effective medium approach which include the boundary conditions, as well as material and geometric parameters.

Document Type:Article
Title:Approximate analytical solutions for the solidification of PCMs in fin geometries using effective thermophysical properties
Authors:
AuthorsInstitution or Email of Authors
Bauer, Thomasthomas.bauer@dlr.de
Date:2011
Journal or Publication Title:International Journal of Heat and Mass Transfer
Refereed publication:Yes
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:54
DOI:10.1016/j.ijheatmasstransfer.2011.07.004
Page Range:pp. 4923-4930
Publisher:Elsevier Ltd.
ISSN:0017-9310
Status:Published
Keywords:Phase change, Conduction, Fin, Effective properties, Melting, Solidification
HGF - Research field:Energy
HGF - Program:Efficient Energy Conversion (old)
HGF - Program Themes:E EV - Energy process technology (old)
DLR - Research area:Energy
DLR - Program:E EV - Energy process technology
DLR - Research theme (Project):E - Thermochemische Prozesse (old)
Location: Stuttgart
Institutes and Institutions:Institute of Technical Thermodynamics > Thermal Process Technology
Deposited By: Dr.phil. Thomas Bauer
Deposited On:24 Nov 2011 12:48
Last Modified:26 Feb 2013 15:01

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