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A beundary layer is a thin region (usually along a wall) in which viscous forces

ID: 2321188 • Letter: A

Question

A beundary layer is a thin region (usually along a wall) in which viscous forces are significant and within which the flow is rotational. Consider a beundary layer growing along a thin flat plate. The flow is steady. The beundary layer thickness delta at any downstream distance x is function of x, free-stream velocity V_infinity, and fluid properties rho (density), and mu (viscosity). Use the methed of repeating variables to generate a dimensionless relationship for delta as a function of the other parameters.

Explanation / Answer

>> Using Momentum Energy Equation

and then integrating and using appropriate boundary conditions,

we can show that,

= x*f(Rex)

>> Thus, Option (A) is correct........

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