Propagation of the 3D Crystallization Front in a Strongly Nonideal Dusty Plasma
- 1 April 2020
- journal article
- research article
- Published by Pleiades Publishing Ltd in Journal of Experimental and Theoretical Physics
- Vol. 130 (4), 616-625
- https://doi.org/10.1134/S1063776120020090
Abstract
We have analyzed the data obtained at the PK-3 Plus Laboratory onboard the International Space Station from analysis of the crystallization front propagation in a dusty plasma. We have developed the "axial" algorithm for identifying "crystal-like" particles, which makes it possible to recognize different crystalline domains and their surface. We have proposed a method for determining the 3D front velocity, presuming the existence of a small region of the domain surface, which propagates along a certain line perpendicular to this region. It is shown that the front velocity is almost independent of time and amounts to about 60 mu m/s. We have proposed a theory of the crystallization front propagation in the dust cloud under the assumption that the flux of particles being crystallized is proportional to the difference in the self-diffusion coefficients for the liquid and crystalline phases. The upper estimate of the front velocity correlates with the results of processing of experimental data.This publication has 25 references indexed in Scilit:
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