Thermal diffusion in isotopic mixtures of polyatomic gases. I. The thermal diffusion coefficient

1975 ◽  
Vol 62 (2) ◽  
pp. 500 ◽  
Author(s):  
M. Keith Matzen
Keyword(s):  
Diffusion Coefficient ◽  
Thermal Diffusion ◽  
Thermal Diffusion Coefficient ◽  
Polyatomic Gases

scholarly journals INFLUENCE OF THERMAL DIFFUSION ON KINETICS OF OSCILLATING IR DRYING

2018 ◽  
Vol 59 (4) ◽  
pp. 83
Author(s):  
Stanislav P. Rudobashta ◽  
Galina A. Zueva ◽  
Nikolaiy A. Zuev
Keyword(s):  
Diffusion Coefficient ◽  
Thermal Diffusion ◽  
Sorption Isotherm ◽  
Moisture Sorption ◽  
Thermal Diffusion Coefficient ◽  
Moisture Sorption Isotherm ◽  
Mass Conductivity ◽  
Kinetics Of

The relative thermal diffusion coefficient δt was calculated from the obtained moisture sorption isotherm for the seeds of onions. It allowed estimating the contribution of thermal diffusion with respect to the flow of mass conductivity in the considered version of the oscillating IR drying, and it turned out to be 5%. Hence, the thermal diffusion can be ignored for engineering calculations of the kinetics of the oscillating IR drying.

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