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Question

The Blasius equation related to boundary layer theory is a

The correct answer is

third-order nonlinear ordinary differential equation

The Blasius equation is \(f\prime\prime\prime+\tfrac12 f f\prime\prime=0\). Its highest derivative is third order; the product makes it nonlinear; the single independent similarity variable makes it an ordinary differential equation.

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Important Questions from Boundary Layer Theory

  1. Friction drag is generally larger than the pressure drag in _______.

  2. When a fluid flows along a solid boundary, more and more fluid gets retarded in the vicinity of the boundary. This deceleration is accompanied by:

  3. A plate of 500 mm × 200 mm has been placed longitudinally in a stream of an oil which flows with a velocity of 1.0 m/s. The kinematic viscosity of the oil was 0.5 stoke. The thickness of the boundary layer at the trailing edge is _______.

  4. As defined by Prandtl, in convective heat transfer, a thin layer next to the wall where shear stress is confined is called _____.

  5. Thickness of laminar boundary layer on flat plate:

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