Thermal Performance of a Heat Storage Module Using Calcium Chloride Hexahydrate

[+] Author and Article Information
D. Dietz

Foster Wheeler Development Corporation, Livingston, N. J. 07039

J. Sol. Energy Eng 106(1), 106-111 (Feb 01, 1984) (6 pages) doi:10.1115/1.3267552 History: Received June 28, 1982; Online November 11, 2009


The thermal performance of an air-heated/cooled, phase-change, heat stoage module was tested and evaluated. The module (rated at 38.7 kWh) consist of 130 vertically oriented tubes filled with 729 kg (1607 lb) of calcium chloride hexahydrate and enclosed in a rectangular box. Heat transfer rates measured during charging and discharging decreased with time as a result of decreasing effective heat transfer area and increasing thermal resistance of the phase-change material. These two dominant effects are included in a proposed mathematical model that predicted the experimental data.

Copyright © 1984 by ASME
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