On modeling of thermal disturbances introduced into a rarefied plasma by motionless canonical bodies


Аuthors

Cherepanov V. V.

Moscow Aviation Institute (National Research University), 4, Volokolamskoe shosse, Moscow, А-80, GSP-3, 125993, Russia

e-mail: vvcherepanov@yandex.ru

Abstract

The article presents the mathematical model describing the process of self-consistent relaxation of the region of disturbances being introduced into a free-molecular binary ionized gas by the charged body with surface absorbing the gas particles, which has the spherical or cylinder shape having become canonical in thermal computational problems. The model allows describing and analyzing the thermal field in the vicinity of the body, and thermal loads on its surface. These problems specifics consist in their kinetic description, in which separation of the heat and mass exchange processes from the electromagnetic field description is impossible. Optimal curvilinear non-holonomic coordinate system, minimizing the phase space, in which Vlasov’s kinetic equation form was substantiated, was selected for the problem.

Keywords:

heat and mass transfer, rarefied plasma, canonical bodies, kinetic description, phase space, non- holonomic coordinates, perturbation region, relaxation, self-consistent problem

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