Abstract

The electromagnetic emission (EME) accompanying freezing of distilled water and dilute aqueous NaCl solutions is revealed and investigated. The EME signal is a sequence of discrete pulses of the electric field potential in the vicinity of the outward surface of ice–water system during the crystallization process. We found correlation between parameters of emission and kinetics and morphology of growing ice and propagation of the growing-induced cracks. It is shown that measurements of an EME signal during the freezing of dilute aqueous solutions allow mapping of the mesoscopic-level patterning to the time series. The relationship between phenomenon of the EME and the Workman–Reynolds effect is discussed.

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