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单词 Surface boundary layer
释义

Surface boundary layer

英语百科

Boundary layer

Boundary layer visualization, showing transition from laminar to turbulent condition
Ludwig Prandtl
Laminar boundary layer velocity profile
Velocity Boundary Layer (Top,orange) and Temperature Boundary Layer (Bottom, green) share a functional form due to similarity in the Momentum/Energy Balances and boundary conditions.

In physics and fluid mechanics, a boundary layer is the layer of fluid in the immediate vicinity of a bounding surface where the effects of viscosity are significant. In the Earth's atmosphere, the atmospheric boundary layer is the air layer near the ground affected by diurnal heat, moisture or momentum transfer to or from the surface. On an aircraft wing the boundary layer is the part of the flow close to the wing, where viscous forces distort the surrounding non-viscous flow. See Reynolds number.

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更新时间:2025/6/20 16:43:07