Some features of isothermal multicomponent mass transfer in the convective instability of gas mixture


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Isothermal multicomponent diffusion in the H2 + Ar–N2 and CH4 + Ar–N2 three-component gas mixtures has been experimentally studied at various pressures and certain concentrations of components in binary mixtures. It has been shown that, in systems where diffusion coefficients differ significantly from each other, convective instability occurs with increasing pressure, which significantly intensifies multicomponent mass transfer. The parameters of transition diffusion mixing to convective can be defined in the framework of stability theory. The comparison carried out between experimental and calculated data shows satisfactory agreement between them.

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Yu. Zhavrin

Research Institute of Experimental and Theoretical Physics

Email: kosov_vlad_nik@list.ru
哈萨克斯坦, Almaty

V. Kosov

Research Institute of Experimental and Theoretical Physics

编辑信件的主要联系方式.
Email: kosov_vlad_nik@list.ru
哈萨克斯坦, Almaty

O. Fedorenko

Research Institute of Experimental and Theoretical Physics

Email: kosov_vlad_nik@list.ru
哈萨克斯坦, Almaty

A. Akzholova

Abai Kazakh National Pedagogical University

Email: kosov_vlad_nik@list.ru
哈萨克斯坦, Almaty

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