Home > Term: boundary-layer flow
boundary-layer flow
That portion of a fluid flow, near a solid surface, where shear stresses are significant and the inviscid-flow assumption may not be used. All solid surfaces interact with a viscous fluid flow because of the no-slip condition, a physical requirement that the fluid and solid have equal velocities at their interface. Thus a fluid flow is retarded by a fixed solid surface, and a finite, slow-moving boundary layer is formed.
- Part of Speech: noun
- Industry/Domain: Science
- Category: General science
- Company: McGraw-Hill
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- Francisb
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