General Studies · Fluid Mechanics
The correct increasing order of momentum thickness (θ), displacement thickness (δ), and energy thickness (δe) for a boundary layer is:
- 1δ < δe < θ
- 2δe < δ* < θ
- 3θ < δ* < δe✓
- 4θ < δe < δ
Correct answer
θ < δ* < δe
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