Fluid Mechanics

In case of turbulent flow of fluid through a circular pipe, the_____.

  • A. Mean flow velocity is about 0.5 times the maximum velocity
  • B. Velocity profile becomes flatter and flatter with increasing Reynolds number
  • C. Point of maximum instability exists at a distance of 2r/3 from the pipe wall (r = pipe radius)
  • D. Skin friction drag, shear stresses, random orientation of fluid particles and slope of velocity profile at the wall are more
Answer: Option D.

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