Heat transfer processes in a thermal energy storage system
Ebersole, Timothy E.
Chapman, Alan J.
Master of Science
Experiments were performed to determine the characteristics of a typical cell in a thermal energy storage system using the solidification of a storage material to release the stored energy. The results of two test cells differing in width were compared. Observations of the motion of the solid-liquid interface were used in a qualitative discussion of the effects of conducting side walls on the. thermodynamic processes within the test: cell. The non-dimensionalized fluid temperature at the outlet of the test cell was found to be unaffected by the test cell’s inlet fluid temperature, being a function of the mass flow rate only. The wider test cell needed substantially more time than the narrower test cell to recover comparable fractions of the total stored energy.