convection, diffusion, advection, dispersion -- CFD Online Discussion Forums

May 4, 2007, 06:10	convection, diffusion, advection, dispersion	#1
Lam Guest Posts: n/a	I am self-taught in mass transport. I check the descriptions of the following terms online. Please ascertain or correct these descriptions: diffusion - average motion of a molecule (or particle) as a result of its collisions with other molecules (or particle) convection - vertical motion driven by buoyancy advection - horizontal motion of the atmosphere and the prevailing winds are known as advective winds. dispersion - the spreading of mass from highly concentrated areas to less concentrated areas Many thanks.

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