Characteristic Length Parameter in Diffusion Formulas

Characteristic Length Parameter of the binary mixture is the average of the geometric and arithmetic average of the collision diameter of the molecules of the two gases. And is denoted by σ_AB. Characteristic Length Parameter is usually measured using the Angstrom for Length. Note that the value of Characteristic Length Parameter is always positive.

Diffusion formulas that make use of Characteristic Length Parameter

fxChapman Enskog Equation for Gas Phase DiffusivityGo

FAQ

What is the Characteristic Length Parameter?

Characteristic Length Parameter of the binary mixture is the average of the geometric and arithmetic average of the collision diameter of the molecules of the two gases. Characteristic Length Parameter is usually measured using the Angstrom for Length. Note that the value of Characteristic Length Parameter is always positive.

Can the Characteristic Length Parameter be negative?

No, the Characteristic Length Parameter, measured in Length cannot be negative.

What unit is used to measure Characteristic Length Parameter?

Characteristic Length Parameter is usually measured using the Angstrom[A] for Length. Meter[A], Millimeter[A], Kilometer[A] are the few other units in which Characteristic Length Parameter can be measured.

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