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aerodynamically rough surface

A surface with irregularities sufficiently large that the turbulent boundary layer reaches right down to the surface. Individual roughness elements are higher than the laminar (viscous) sublayer. Virtually all surfaces on the earth, except glassy-smooth water surfaces, are aerodynamically rough. Compare aerodynamically smooth surface.

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  • ส่วนหนึ่งของคำพูด: noun
  • อุตสาหกรรม/ขอบเขต: Weather
  • Category: Meteorology
  • Company: AMS

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