A Simplified Analysis for Cold Storage in Porous Capsules With Solidification

[+] Author and Article Information
S. L. Chen, J. S. Yue

Department of Mechanical Engineering, National Taiwan University, Taipei, Taiwan, Republic of China

J. Energy Resour. Technol 113(2), 108-116 (Jun 01, 1991) (9 pages) doi:10.1115/1.2905783 History: Received September 13, 1990; Revised March 23, 1991; Online April 16, 2008


This paper investigates the thermal performance of a cold storage system utilizing water porous capsules as phase change material. The proposed cold storage system can be used to shift electric demand from periods of high demand to ones of low demand. A simple lump model to determine the thermal characteristics has been developed. The solution of the system equations is found through the Laplace transformation method. Experimental data of temperature profiles obtained in this study for various porosities, coolant flow rates, and inlet coolant temperatures validate the theory. Effects of dimensionless parameters on the charge characteristics were found.

Copyright © 1991 by The American Society of Mechanical Engineers
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