Study of Diffusion Instability in Some Ternary Gas Mixtures at Various Temperatures

Vladimir N. Kossov, D. U. Kul’zhanov, Igor V. Poyarkov, Olga V. Fedorenko

2013

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DOI 10.4236/mme.2013.32012

Data confidence 70 medium

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Abstract

Within the linear theory of stability, the process of isothermal mixing of three-component gas mixtures in a channel of final dimensions in the absence of mass-transfer through its walls is considered. The comparison of experimental data with the results of theoretical calculations for the mixtures He+Ar-N2 and H2+N2-CH4 is shown, that a stable diffusion process as the temperature increased will remain the same and be described by the ordinary diffusion laws, but unstable one lost its intensity and tend to the stable diffusion.