Erratum: Composition Dependence of the Thermal Diffusion Factor in Hydrogen–Helium Gas Mixture

1969 ◽  
Vol 50 (4) ◽  
pp. 1910-1910
Author(s):  
A. K. Ghosh ◽  
A. K. Barua
2000 ◽  
Vol 37 (4) ◽  
pp. 397-404 ◽  
Author(s):  
Hiroshi YAMAKAWA ◽  
Noboru KOBAYASHI ◽  
Youichi ENOKIDA ◽  
Ichiro YAMAMOTO

1962 ◽  
Vol 40 (11) ◽  
pp. 1608-1613 ◽  
Author(s):  
S. C. Saxena ◽  
S. M. Dave ◽  
P. A. Pardeshi

Simpler formulae for the second approximation to the thermal diffusion factor of a binary gas mixture are derived according to both the approximation procedures of Chapman and Cowling, and Kihara. These formulae are much simpler than the rigorous theoretical formulae from the view point of computational labor. These new formulae are derived by expanding the rigorous expressions in powers of the molecular weight ratio, M, and deleting all those terms which contain explicitly the power of M higher than two. The accuracies of these simpler formulae are demonstrated by numerical calculations on gas systems as a function of both temperature as well as composition.


1967 ◽  
Vol 22 (2) ◽  
pp. 164-169
Author(s):  
B. P. Mathur ◽  
S. C. Saxena

The thermal diffusion factor, αT, for the gas systems He—Ar, He—Ne, Ne—Kr and Ne —Xe is measured as a function of composition in a glass two bulb apparatus, operating with its hot and cold bulbs at 373.9° and 273.3°K respectively. Gas samples are analysed with a sensitive and specially designed differential thermal conductivity analyser. The αT data are compared with similar values of other vorkers and a smooth set is recommended. The data are further compared with the predictions of rigorous theory in conjunction with realistic intermolecular potentials. An approximate prediction of the theory concerning the composition dependence of αT has been checked.


Physica ◽  
1974 ◽  
Vol 78 (1) ◽  
pp. 165-172 ◽  
Author(s):  
C.M. Santamaría ◽  
J.M. Savirón ◽  
Yarza J.C.

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