Diffusion of hydrogen, deuterium, and tritium on the (110) plane of tungsten

1985 ◽  
Vol 83 (8) ◽  
pp. 4193-4209 ◽  
Author(s):  
S. C. Wang ◽  
R. Gomer
Keyword(s):  
Hydrogen Deuterium ◽  
Diffusion Of Hydrogen

Diffusion of hydrogen, deuterium and tritium in tetrafluoroethylene

1981 ◽  
Vol 99 (2-3) ◽  
pp. 320-323 ◽  
Author(s):  
Kuniaki Watanabe ◽  
Masao Matsuyama ◽  
Kan Ashida ◽  
Toyosaburo Takeuchi
Keyword(s):  
Hydrogen Deuterium ◽  
Diffusion Of Hydrogen

scholarly journals The diffusion and thermal diffusion of hydrogen-deuterium, with a note on the thermal diffusion of hydrogen-helium

1941 ◽  
Vol 178 (974) ◽  
pp. 380-389 ◽  
Keyword(s):  
Diffusion Coefficient ◽  
Force Constant ◽  
Thermal Diffusion ◽  
Classical Theory ◽  
Close Agreement ◽  
Repulsive Force ◽  
Molecular Field ◽  
Hydrogen Deuterium ◽  
Diffusion Of Hydrogen

The diffusion coefficient D 12 has been determined for hydrogen-deuterium and is found to be in close agreement with the value predicted by the classical theory. The case is one of particular interest because the diffusing molecules have the same size and the same molecular field. The thermal separation in mixtures of this pair of gases has also been measured. As the molecules are of the same size, the thermal separation is due entirely to difference in mass. By using Chapman’s theory, the value of the repulsive force index ( v 12 ) is deduced. By combining the values of v 12 and D 12 , the repulsive force constant k 12 can be determined, and so the complete law of force operating in collisions between unlike molecules can be obtained. On classical considerations this law of force would apply to either gas separately. Measurements of thermal separation in mixtures of hydrogen-helium have also been made and the value of v 12 determined. It is shown that this pair of molecules is 'harder’ than hydrogen-deuterium. Comparison is made with earlier results of Elliott and Masson.

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