The Effects of Seeding and Mass Separation in Molecular Beams of a He-Ar Mixture

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概要

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• The effects of seeding and mass separation in molecular beams of helium and argon binary mixtures are experimentally studied to quantitatively handle composition fraction deviations which inevitable occur during transport from the gas source chamber to the detecting instrument. The experiment is carried out over the source molar fractions χ_0=0〜100% and the source pressure p_0=25〜75 Torr under a constant room temperature. Heavier argon molecules are remarkably accelerated by the seeding effect due to lighter helium ones, especially at χ_0<1%, and the translational kinetic energy gain ratio reaches to the mass ratio of the binary molecules of 10. The Mach number of argon, however, slightly reduces. The mass separation effect is also prominent at χ_0<1%, and the total species enrichment factor attains also 10. The effect is essentially due to the Mach number focusing, which is observed by the difference in spatially spread behaviors between helium and argon molecules.

• 一般社団法人日本機械学会の論文
• 1989-02-15

著者

• Kato S

  Department Of Mechanical Engineering Faculty Of Engineering University Of Mie

• Kato Seizo

  Department Of Mechanical Engineering Faculty Of Engineering Mie University

• Fujimoto Tetsuo

  Departmen

• TSUJINO Nobuyoshi

  Department of Mechanical Engineering, Faculty of Engineering, University of Mie

• KATAGIRI Manabu

  Department of Mechanical Engineering, Faculty of Engineering, University of Mie

• Katagiri Manabu

  Department Of Mechanical Engineering Faculty Of Engineering University Of Mie

• Tsujino Nobuyoshi

  Department Of Mechanical Engineering Faculty Of Engineering University Of Mie

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