Abstract
The paper deals with the results of experimental investigation of the dynamic behavior of macroparticles charged by way of photoemission, under conditions of microgravity. The experimental data have been obtained for bronze particles subjected to solar radiation in a buffer gas at a pressure of 40 Torr (Mir space station). Different procedures for determining the transport properties of macroparticles by analyzing video records of experiments are treated. The velocity distribution, the temperature, the charge, the friction coefficient, and the dust particle diffusion coefficients are found. The results of comparing the experimental and theoretical estimates demonstrate that the dynamic behavior of macroparticles under the conditions of investigations are defined by the process of their ambipolar diffusion.
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Translated from Zhurnal Éksperimental’no\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \) i Teoretichesko\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \) Fiziki, Vol. 119, No. 6, 2001, pp. 1129–1136.
Original Russian Text Copyright © 2001 by Vaulina, Nefedov, Petrov, Fortov.
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Vaulina, O.S., Nefedov, A.P., Petrov, O.F. et al. Transport properties of macroparticles in dust plasma induced by solar radiation. J. Exp. Theor. Phys. 92, 979–985 (2001). https://doi.org/10.1134/1.1385637
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DOI: https://doi.org/10.1134/1.1385637