The influence of the emitting bodies surface boundary conditions on particle streams in their vicinity

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The influence of the emitting bodies surface boundary conditions on particle streams in their vicinity. / Gunko, Yu. F.; Gunko, N. A.

In: Journal of Physics: Conference Series, Vol. 1959, No. 1, 012022, 01.07.2021.

Research output: Contribution to journal › Conference article › peer-review

BibTeX

@article{8f3ad38b37f44b3391e9ebfc1d71520d,

title = "The influence of the emitting bodies surface boundary conditions on particle streams in their vicinity",

abstract = "The problem of the influence of boundary conditions on the surface of emitting bodies on particle flows in their vicinity is studied in this paper. The solution to this problem is actual and relevant both for studying the behavior of electron plasma in a closed space (diodes and multi-electrode devices) and in open space (studying electron flows in the vicinity of natural and artificial celestial bodies). This research is theoretical. The emitting particles are electrons. Moreover, it is assumed that the emission of electrons occurs in vacuum. The electric field potential on the surface of the emitting bodies is considered constant (the first boundary condition). The second condition is determined by setting the field strength on the body surface. Four types of boundary conditions are considered: 1) fully screened electric field; 2) mono-speed flow from the surface; 3) monoenergetic isotropic flow; 4) the starting particles are distributed according to the Maxwell's law. In the second of the above cases, the desired dependence is found analytically. In the third and fourth cases, the dependences of the electric potential strength are found numerically using the kinetic approach. The calculation results are presented in the graphs.",

author = "Gunko, {Yu. F.} and Gunko, {N. A.}",

note = "Publisher Copyright: {\textcopyright} 2021 Published under licence by IOP Publishing Ltd.; International Scientific Conference on Mechanics {"}The Ninth Polyakhov's Reading{"}, ISCM 2021 ; Conference date: 09-03-2021 Through 12-03-2021",

year = "2021",

month = jul,

day = "1",

doi = "10.1088/1742-6596/1959/1/012022",

language = "English",

volume = "1959",

journal = "Journal of Physics: Conference Series",

issn = "1742-6588",

publisher = "IOP Publishing Ltd.",

number = "1",

}

RIS

TY - JOUR

T1 - The influence of the emitting bodies surface boundary conditions on particle streams in their vicinity

AU - Gunko, Yu. F.

AU - Gunko, N. A.

PY - 2021/7/1

Y1 - 2021/7/1

N2 - The problem of the influence of boundary conditions on the surface of emitting bodies on particle flows in their vicinity is studied in this paper. The solution to this problem is actual and relevant both for studying the behavior of electron plasma in a closed space (diodes and multi-electrode devices) and in open space (studying electron flows in the vicinity of natural and artificial celestial bodies). This research is theoretical. The emitting particles are electrons. Moreover, it is assumed that the emission of electrons occurs in vacuum. The electric field potential on the surface of the emitting bodies is considered constant (the first boundary condition). The second condition is determined by setting the field strength on the body surface. Four types of boundary conditions are considered: 1) fully screened electric field; 2) mono-speed flow from the surface; 3) monoenergetic isotropic flow; 4) the starting particles are distributed according to the Maxwell's law. In the second of the above cases, the desired dependence is found analytically. In the third and fourth cases, the dependences of the electric potential strength are found numerically using the kinetic approach. The calculation results are presented in the graphs.

AB - The problem of the influence of boundary conditions on the surface of emitting bodies on particle flows in their vicinity is studied in this paper. The solution to this problem is actual and relevant both for studying the behavior of electron plasma in a closed space (diodes and multi-electrode devices) and in open space (studying electron flows in the vicinity of natural and artificial celestial bodies). This research is theoretical. The emitting particles are electrons. Moreover, it is assumed that the emission of electrons occurs in vacuum. The electric field potential on the surface of the emitting bodies is considered constant (the first boundary condition). The second condition is determined by setting the field strength on the body surface. Four types of boundary conditions are considered: 1) fully screened electric field; 2) mono-speed flow from the surface; 3) monoenergetic isotropic flow; 4) the starting particles are distributed according to the Maxwell's law. In the second of the above cases, the desired dependence is found analytically. In the third and fourth cases, the dependences of the electric potential strength are found numerically using the kinetic approach. The calculation results are presented in the graphs.

UR - http://www.scopus.com/inward/record.url?scp=85111957090&partnerID=8YFLogxK

U2 - 10.1088/1742-6596/1959/1/012022

DO - 10.1088/1742-6596/1959/1/012022

M3 - Conference article

AN - SCOPUS:85111957090

VL - 1959

JO - Journal of Physics: Conference Series

JF - Journal of Physics: Conference Series

SN - 1742-6588

IS - 1

M1 - 012022

T2 - International Scientific Conference on Mechanics "The Ninth Polyakhov's Reading", ISCM 2021

Y2 - 9 March 2021 through 12 March 2021

ER -

ID: 89778549