TY - JOUR

T1 - About the Current Flow in a Discharge Tube with a Metal Section. Analysis of the Thermal Balance

AU - Сясько, Алексей Владимирович

AU - Гуркова, Татьяна Владимировна

AU - Балабас, Михаил Владленович

AU - Голубовский, Юрий Борисович

PY - 2024/5/2

Y1 - 2024/5/2

N2 - Abstract: The work describes the possibility of using a conducting fluid model (single-fluid model) to analyze physical phenomena observed in the inhomogeneous gas discharge plasma. A technique for calculation of the heat fluxes and temperature fields in a discharge in a cylindrical glass tube with metal sections is proposed. The presence of metal sections leads to a change in the thermal balance in the plasma volume. Specific calculations have been carried out for conditions with significantly different thermal conductivity coefficients of gases (argon and helium) and metals (steel and copper). Two cases of the discharge state—diffuse and constricted—are considered. Spatial distributions of heat sources, temperature fields and heat fluxes depending on the gas type, and discharge tube configuration are presented. The considered discharge configuration and the proposed calculation method can be useful for practical applications, for example, in laser physics.

AB - Abstract: The work describes the possibility of using a conducting fluid model (single-fluid model) to analyze physical phenomena observed in the inhomogeneous gas discharge plasma. A technique for calculation of the heat fluxes and temperature fields in a discharge in a cylindrical glass tube with metal sections is proposed. The presence of metal sections leads to a change in the thermal balance in the plasma volume. Specific calculations have been carried out for conditions with significantly different thermal conductivity coefficients of gases (argon and helium) and metals (steel and copper). Two cases of the discharge state—diffuse and constricted—are considered. Spatial distributions of heat sources, temperature fields and heat fluxes depending on the gas type, and discharge tube configuration are presented. The considered discharge configuration and the proposed calculation method can be useful for practical applications, for example, in laser physics.

KW - DC discharge

KW - current flow

KW - glow discharge

KW - hydrodynamic model

KW - metal section

KW - thermal balance

UR - https://www.mendeley.com/catalogue/e6c50710-f0a4-35ac-9065-a581defcadec/

U2 - 10.1134/s1063780x23602018

DO - 10.1134/s1063780x23602018

M3 - Article

VL - 50

SP - 350

EP - 357

JO - Plasma Physics Reports

JF - Plasma Physics Reports

SN - 1063-780X

IS - 3

ER -