Double Diffusion in Ar-N_2 Binary Gas System at the Constant Value of Temperature Gradient

• Authors: V. Seleznev , V. Kosov , I. Poyarkov , O. Fedorenko , M. Beketaeva
• Languages of publication: EN

Abstracts

EN

An experimental study of the "diffusion-gravitational convection" transition boundary in an Ar-N_2 binary system at different pressures and a constant temperature gradient is performed. It is shown that the diffusion is replaced by the gravitational convection at a pressure p ≈ 0.5 MPa. In terms of the stability theory, a perturbation boundary line is determined, dividing the Rayleigh numbers plane into the regions of the diffusion and the convective mass transfer. The experimental data agree well with the theoretical values.

Keywords

EN

51.10.+y; 42.25.+f

Discipline

• 51.10.+y: Kinetic and transport theory of gases(see also 05.20.Dd Kinetic theory in classical statistical mechanics; see also 47.70.Mc Radiation gas dynamics)

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2013
• Volume: 123
• Issue: 1
• Pages: 62-66

Dates

published

2013-01

received

2011-06-20

(unknown)

2012-11-11

Contributors

author

V. Seleznev

• B. El'tsin Ural State Technical University, Mira, 19, Yekaterinburg 620002, Russia

author

V. Kosov

• Abay Kazakh National Pedagogical University, Dostyk, 13, Almaty 050100, Kazakhstan

author

I. Poyarkov

• Department of Physics, Al-Farabi Kazakh National University, Al-Farabi, 71, Almaty 050038, Kazakhstan

author

O. Fedorenko

• Department of Physics, Al-Farabi Kazakh National University, Al-Farabi, 71, Almaty 050038, Kazakhstan

author

M. Beketaeva

• Department of Physics, Al-Farabi Kazakh National University, Al-Farabi, 71, Almaty 050038, Kazakhstan

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Identifiers

DOI

10.12693/APhysPolA.123.62