Multiple choice

An incompressible fluid flows over a flat plate with zero pressure gradient. The boundary layer thickness is 1 mm at a location where the Reynolds number is 1000. If the velocity of the fluid alone is increased by a factor of 4, then the boundary layer thickness at the same location, in mm will be

  1. 4

  2. 2

  3. 0.5

  4. 0.25
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

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