Thermal Diffusion Coefficient in Multi-component Mixture Expressed in Terms of Binary Thermal Diffusion Factors and Binary Diffusion Coefficients

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著者

    • KOBAYASHI Noboru
    • Department of Nuclear Engineering, Faculty of Engineering, Nagoya University
    • YAMAMOTO Ichiro
    • Department of Nuclear Engineering, Faculty of Engineering, Nagoya University

抄録

The thermal diffusion coefficients D<SUP>T(ν)</SUP><SUB>i</SUB> in multi(ν)-component mixture are given as the ratio of two determinants by Hirschfelder et al. In order to express thermal diffusion coefficients as a linear function of binary thermal diffusion factor α<SUP>(2)</SUP><SUB>Tij</SUB>, we enumerate four candidates of the function extended from the relation between thermal diffusion coefficient and thermal diffusion factor in binary mixture. The four candidates were checked analytically by two points: (1) it must be equal to the relation for binary mixture when the system can be regarded nearly as binary mixture, and (2) summation of thermal diffusion coefficients must be zero, and only the following passed the check:<BR>where ρ is the total density, c the total molar concentration, D<SUP>(2)</SUP><SUB>ij</SUB> the binary diffusion coefficient, Mk and xk are molar weight and mole fraction of the k-th component, respectively. For 3-component argon 36-38-40 isotope mixture and for 4-component xenon isotope 129-131-132-134 mixture, the temperature and composition dependences obtained from this linear relation were equal to those from the thermal diffusion coefficients given by Hirschfelder et al.

収録刊行物

  • Journal of nuclear science and technology  

    Journal of nuclear science and technology 32(12), 1236-1242, 1995-12-25 

    Atomic Energy Society of Japan

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被引用文献:  4件

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各種コード

  • NII論文ID(NAID)
    10002073798
  • NII書誌ID(NCID)
    AA00703720
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    00223131
  • データ提供元
    CJP書誌  CJP引用  J-STAGE 
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