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Which of the following methods are used to prevent boundary layer separation?
  • a)
    By sucking the retarded flow
  • b)
    By providing the slots at the trailing edge
  • c)
    By streamlining the body surface
  • d)
    By tripping the boundary layer from laminar to turbulent by making surface rough
Correct answer is option 'A,C,D'. Can you explain this answer?
Most Upvoted Answer
Which of the following methods are used to prevent boundary layer sepa...
Method B is not favourable to prevent boundary layer separation. However, if slots are provided at the leading edge, then boundary layer separation may be avoided.
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Which of the following methods are used to prevent boundary layer sepa...

Preventing Boundary Layer Separation:

To prevent boundary layer separation, several methods can be employed to ensure the smooth flow of air over a surface. The following methods are commonly used:

- By sucking the retarded flow: This method involves using suction devices to remove the slow-moving air in the boundary layer, allowing for a smoother flow and reducing the likelihood of separation.

- By streamlining the body surface: By shaping the body surface in a way that reduces pressure gradients and minimizes flow separation, the boundary layer can be kept attached, preventing separation.

- By tripping the boundary layer from laminar to turbulent: By introducing rough surfaces or devices that disrupt the laminar flow and promote turbulence, the boundary layer can be kept attached and less prone to separation.

These methods work together to ensure that the boundary layer remains attached to the surface, preventing separation and improving the overall aerodynamic performance of the system. By implementing these techniques, engineers can optimize the flow characteristics and reduce drag, ultimately enhancing the efficiency and performance of the design.
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Which of the following methods are used to prevent boundary layer separation?a)By sucking the retarded flowb)By providing the slots at the trailing edgec)By streamlining the body surfaced)By tripping the boundary layer from laminar to turbulent by making surface roughCorrect answer is option 'A,C,D'. Can you explain this answer?
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