Low Temperature Latent Heat Storage With Quasi-Eutectic Mixtures Containing Ca(NO3)2•4H2O

[+] Author and Article Information
C. Vaccarino, V. Cali

Department of Organic and Biological Chemistry, Messina University, 98100 Messina, Italy

A. Parmaliana

Institute of Industrial Chemistry, Messina University, 98100 Messina, Italy

F. Frusteri

Institute CNR/TAE, 98013 Pistunina, Messina, Italy

J. Sol. Energy Eng 109(3), 176-178 (Aug 01, 1987) (3 pages) doi:10.1115/1.3268202 History: Received March 21, 1986; Online November 11, 2009


Two mixtures containing Ca (NO 3 )2 •4H 2 O and KNO 3 or Mg (NO 3 )2 •6H 2 O of composition close to their eutectics are described as promising thermal heat storage (TES) materials suitable for passive solar heating applications. Supercooling is hindered by a system which apparently may be applied to other salt mixtures of this type. A comparison is made with other salt mixtures containing magnesium salts previously studied. Tests are in progress to confirm that no efficiency reduction after many heating/cooling cycles occurs.

Copyright © 1987 by ASME
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