Measurement of Brine Droplet Migration in Ice

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Abstract
Migration of NaCl, KF, and KI droplets through ice was measured in the temperature interval from −6° to 0°C in the presence of a 15°C/cm thermal gradient. Normally the droplets increased in velocity and size as they approached the ice‐water interface. A 30‐μ‐diam droplet migrating at 0.3 μ/sec at −5°C would be 65 μ in diam and migrating at 1.2 μ/sec at −½°C. Special phenomena observed were droplet elongation, diagonal migration, and constant‐velocity migration.

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