Wave Propagation at the Interface in a Hot Water Store

[+] Author and Article Information
G. Rehbinder

Swedish Rock Mechanics Research Foundation, Stockholm, Sweden

J. Energy Resour. Technol 104(4), 389-392 (Dec 01, 1982) (4 pages) doi:10.1115/1.3230434 History: Received November 25, 1981; Revised March 25, 1982; Online October 22, 2009


Solar heat or surplus heat can be stored in large steel tanks or even better in unlined rock caverns. If the loading and unloading is done with a heat exchanger it is important that the stratification in the store can be maintained. The risk of destabilization of the interface between hot and cold water due to Helmholz-Kelvin instability of interfacial waves is discussed. The discussion indicates that the risk is negligible.

Copyright © 1982 by ASME
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