Thermal Diffusion Coefficient in Multi-component Mixture Expressed in Terms of Binary Thermal Diffusion Factors and Binary Diffusion Coefficients
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概要
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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.
- 社団法人 日本原子力学会の論文
- 1995-12-25
著者
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Kobayashi Noboru
Department of Cardiology, Memorial Heart Center, Iwate Medical University School of Medicine
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Yamamoto Ichiro
Department Of Materials Physics And Energy Engineering Graduate School Of Engineering Nagoya Univers
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Kobayashi Noboru
Department Of Nuclear Engineering Faculty Of Engineering Nagoya University
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Yamamoto Ichiro
Department Of Chemistry Graduate School Of Science The University Of Tokyo
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Kobayashi Noboru
Department of Applied Chemistry, Faculty of Engineering, Osaka City University
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