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单词 Vortex stretching
释义

Vortex stretching

英语百科

Vortex stretching

Studies of vortices in turbulent fluid motion by Leonardo da Vinci.

In fluid dynamics, vortex stretching is the lengthening of vortices in three-dimensional fluid flow, associated with a corresponding increase of the component of vorticity in the stretching direction—due to the conservation of angular momentum.

Vortex stretching is associated with a particular term in the vorticity equation. For example, vorticity transport in an incompressible inviscid flow is governed by

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