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Mayank Srivastava, Dr. Mritunjay Kumar Sinha


The position of interface and temperature variation of phase change thermal energy storage system under constant heat supply is analysed during melting/solidification process by Heat balance integral method. The melting/solidification process is mainly governed by conduction. Phase change material is enclosed within a cylindrical and spherical cavity. Fixed temperature boundary condition applied on one wall, all other walls are thermally insulated. Interface location & its rate and heat transfer with time is analysed by using Matlab.


Conduction, Melting/Solidification, Phase change materials, Stefan’s number

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