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NUMERICAL INVESTIGATION OF CYLINDRICAL AND SPHERICAL ENCAPSULATED THERMAL ENERGY STORAGE SYSTEM WITH PHASE CHANGE MATERIALS

Mayank Srivastava, Dr. Mritunjay Kumar Sinha

Abstract


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.


Keywords


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

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References


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