Diffusion Velocity

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Diffusion Velocity

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1. The relative mean molecular velocity of a selected gas undergoing diffusion in a gaseous atmosphere, commonly taken as a nitrogen (N₂) atmosphere. </dd>
The diffusion velocity is a molecular phenomenon and depends upon the gaseous concentration as well as upon the pressure and temperature gradients present. </dd>
2. The velocity or speed with which a turbulent diffusion process proceeds as evidenced by the motion of individual eddies. [[/a>|/a> ]]

References

This article is based on NASA's Dictionary of Technical Terms for Aerospace Use