Aside: Laminar viscous flow between flat plates

Описание к видео Aside: Laminar viscous flow between flat plates

When a fluid is laminar (i.e. sheets of fluid slide over each other) and is confined between flat plates, some properties (such as velocity and shear stress) only vary in one direction while other properties (such as pressure) only vary in the perpendicular direction. This means that the partial derivatives collapse to ordinary derivatives and the velocity profiles can be found by hand. This clip confirms this and also shows how to derive the governing equation for Couette and Poiseuille flow.

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