General Studies · Fluid Mechanics
For a flat plate placed parallel to a steady incompressible flow, which of the following statements about the boundary layer thickness is correct?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The boundary layer thickness decreases as the local Reynolds number increases.
- 2The boundary layer thickness is completely independent of the Reynolds number.
- 3The boundary layer thickness increases with increasing distance from the leading edge and depends inversely on the local Reynolds number.✓
- 4The boundary layer thickness increases linearly with distance from the leading edge under all flow regimes.
Correct answer
The boundary layer thickness increases with increasing distance from the leading edge and depends inversely on the local Reynolds number.
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