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The velocity distribution in the boundary layer of a flat plate is prescribed by the relation
Use momentum integral equation to develop an expression for boundary layer thickness, and local skin friction coefficient, in terms of Reynolds number.
- a)
- b)
- c)
- d)
Correct answer is option 'A'. Can you explain this answer?
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The velocity distribution in the boundary layer of a flat plate is pr...
Substituting the given velocity functions into the momentum integral equation
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Where θ is the momentum thickness for section x
Making the substitution
At the solid surface, Newton’s law of viscosity gives:
The integration constant is obtained from the boundary condition: δ = 0 at x = 0, and that gives C = 0. Therefore,
This can be expressed in the non-dimensional form as
An estimate of the wall shear stress can be made by substituting the value of boundary layer thickness in the expression for wall shear stress.
In the non-dimensional form,
Most Upvoted Answer
The velocity distribution in the boundary layer of a flat plate is pr...
Substituting the given velocity functions into the momentum integral equation
Where θ is the momentum thickness for section x
Making the substitution
At the solid surface, Newton’s law of viscosity gives:
The integration constant is obtained from the boundary condition: δ = 0 at x = 0, and that gives C = 0. Therefore,
This can be expressed in the non-dimensional form as
An estimate of the wall shear stress can be made by substituting the value of boundary layer thickness in the expression for wall shear stress.
In the non-dimensional form,
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The velocity distribution in the boundary layer of a flat plate is prescribed by the relationUse momentum integral equation to develop an expression for boundary layer thickness, and local skin friction coefficient, in terms of Reynolds number.a) b) c) d) Correct answer is option 'A'. Can you explain this answer?
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