Pressure Dependence of The Diffusion Coefficient
For self-diffusion in gases at two different pressures (but the same temperature), the following empirical equation has been suggested:
where:
- P1 and P2 denote pressures 1 and 2, respectively
- D is the diffusion coefficient (m2/s)
- ρ is the gas mass density (kg/m3)
Read more about this topic: Mass Diffusivity
Famous quotes containing the words pressure and/or dependence:
“Destiny is an absolutely definite and inexorable ruler. Physical ability and moral determination count for nothing. It is impossible to perform the simplest act when the gods say “no.” I have no idea how they bring pressure to bear on such occasions; I only know that it is irresistible.”
—Aleister Crowley (1875–1947)
“All charming people have something to conceal, usually their total dependence on the appreciation of others.”
—Cyril Connolly (1903–1974)