Author(s): Anamika and Ajeet Kumar Rai

Abstract: In the operating phase of the buildings, the improvement in energy efficiency is an active area of research. The business sectors are searching for new advancements, to be specific new systems of storage of thermal energy (TES) frameworks, which can be utilized to decrease structures' reliance on petroleum derivatives, to utilize sustainable power sources, and to add to coordinate with energy market interest productively. Hence phase-changing materials (PCM) are being used in our present work for storing thermal energy and the material methyl silylidyne is being used in our simulation model which is designed as a double pipe heat exchanger and the simulations are being carried out in ANSYS workbench. The variation of temperature is being noted along with the proportion of solid or liquid of PCM material to study the response of heat transfer and finally conclude with the effectiveness of the use of these materials in building purposes. The proportion of PCM’s solid and liquid quantity is noted at time T=0 Sec and Time T=200 sec. Contour plots along with numerical values are shown in this project to analyze the mass fraction of the PCM material at a different time interval. The result shows as with the time when the heat is transferred from PCM material to the liquid (water) flowing inside the inner fluid.

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