Volumetric flux

In fluid dynamics, the volumetric flux is the rate of volume flow across a unit area (m3·s−1·m−2), and has dimensions of distance/time (volume/(time*area)) - equivalent to mean velocity. The density of a particular property in a fluid's volume, multiplied with the volumetric flux of the fluid, thus defines the advective flux of that property.[1] The volumetric flux through a porous medium is often modelled using Darcy's law.

Volumetric flux is not to be confused with volumetric flow rate, which is the volume of fluid that passes through a given surface per unit of time (as opposed to a unit surface).

References

  1. Reible, Danny (1999). Fundamentals of Environmental Engineering. CRC Press. pp. 240–241. ISBN 1-56670-047-7.


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