Affiliation:
1. Delft University of Technology, Applied Physics Department, 2600 GA Delft, The Netherlands
Abstract
In this paper a comparison is made between an approximate analytical solution and the numerical finite difference solution for the one dimensional solidification of a phase change material of finite size. The analytical model is not only capable of handling materials with a fixed melting temperature but is also extended to cope with materials with a transition range. In the approximate analytical model, use is made of the well known Neumann solution for the solidification in a semi-infinite region. A characteristic dimensionless time has been derived that can be used in a simplified description of the solidification of a phase-change material. With this description the testing of latent heat storage devices can be simplified and the results can also be used in simulation programs of solar energy installations with a latent heat storage.
Subject
Energy Engineering and Power Technology,Renewable Energy, Sustainability and the Environment
Cited by
8 articles.
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