Design method for sizing a latent heat store/heat exchanger in a thermal system

D. Lecomte and D. Mayer

Applied Energy, 1985, vol. 21, issue 1, 55-78

Abstract: The sizing of a latent heat storage device in a thermal system is studied under thermodynamic and economic stress (for example, power rates to or from the store). Another such stress is the effect of phase change on the heat exchanger performance. This paper presents a method of determining the surface of a shell-and-tube heat exchanger and the volume of the phase change material in order to deliver a certain power during a given period. It is shown, when the storage is connected to a heating floor, that no significant gain may be obtained with high flow rates and that the dependence of the heat exchanger effectiveness on the state of the phase change material is non-negligible.

Date: 1985
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