Question

Using the functions from problems 1 and 2, write a MATLAB script to compare the laminar results from to the turbulent results. Calculate the boundary layer thickness ratio: thickness_ratio= 8(L, Turbulent) SIL. Laminar) Calculate the total skin friction drag ratio: Df_ratio= Df (Total, Turbulent) Df Total

Answer 1

To start combining, select the Merge Mode option on the Comparison tab. Next, click the button next to the line you wish to merge in order to replace content from the right pane with content from the left pane.

How is boundary layer thickness calculated?

• Where x is a position parallel to the wall, y is a coordinate normal to the wall, v is a (small) viscosity, u = (u, v) is the velocity, is the vorticity, and so on. The boundary conditions are as follows: u(x,y = +,t) = U, and u(x,y = 0,t) = 0.
• To gauge the overall pressure, a vertically sliding Pitot tube is employed. So that the growth of the boundary layer in the flow direction can be seen, the total pressures can be recorded at various distances from the plate surface. Static pressure is gauged at a different measurement location.
• To start combining, select the Merge Mode option on the Comparison tab. Next, click the button next to the line you wish to merge in order to replace content from the right pane with content from the left pane. Alternatively, you can pick a discrepancy and choose Replace Content from the Comparison tab.        

To learn more about Boundary conditions refer to:

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