Weber number
Dimensionless number in fluid mechanics / From Wikipedia, the free encyclopedia
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The Weber number (We) is a dimensionless number in fluid mechanics that is often useful in analysing fluid flows where there is an interface between two different fluids, especially for multiphase flows with strongly curved surfaces.[1] It is named after Moritz Weber (1871–1951).[2] It can be thought of as a measure of the relative importance of the fluid's inertia compared to its surface tension. The quantity is useful in analyzing thin film flows and the formation of droplets and bubbles.