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Earth’s Cryosphere

2021 year, number 1

ESTIMATION OF THE FREEZING INTENSITY OF THE SALT WATER DROPS IN THE COURSE OF WINTER SPRINKLING

A.V. Sosnovsky, N.I. Osokin
Institute of Geography, RAS, Staromonetniy lane 29, Moscow, 119017, Russia
Keywords: Freezing of drops, winter sprinkling, intensity of freezing-up, mathematical modeling, salt water

Abstract

The simplified dependencies for estimation the fraction of the ice formed in a drop of fresh water when falling in the atmospheric air have been obtained. Based on mathematical modeling, the intensity of the freezing of salt-water droplets with various variants of salt rejection from the freezing boundary has been determined. An estimate of the increase in air temperature in a droplet plume consisting of drops of salt water has been given. The fraction of ice in a drop of salt water falling in atmospheric air and in a droplet plume has been calculated depending on the air temperature and the size of the drops.