THE GROWTH MECHANISM OF ICE CRYSTALS GROWN IN AIR AT A LOW PRESSURE AND THEIR HABIT CHANGE WITH TEMPERATUREReportar como inadecuado




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Abstract : The temperature dependence of the habit of an ice crystal grown in air at 4.0 x 10 Pa under a supersaturation below 5% and its growth mechanism were investigated by repeating the growth and evaporation of the ice crystal. As a result, the habit change of an ice crystal with temperature under this growth condition roughly coincides with that of an ice crystal growing in air at 1.0 x 105 Pa, and it was found that the {0001} and {10MATH0} faces of the ice crystal grown at a supersaturation below 5% grew by a screw dislocation mechanism. The temperature dependence of the habit of the ice crystal grown under this growth condition can be qualitatively explained by the anisotropy of the condensation-coefficient and its temperature dependence.





Autor: T. Gonda T. Sei

Fuente: https://hal.archives-ouvertes.fr/



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