A scale model of submarine is used to determine the drag for

A scale model of submarine is used to determine the drag force on the actual submarine during deep water crusing. Which of the following are the appropriate dimensionless Gamma-groups for this problem? Drag coefficient D/rho V^2 L^2/2 Reynolds number rho LV/mu Froude number V/square squareroot gL All of the above

Solution

Option E correct

To determine drag force both Reynolds number and drag coefficient are required

Because first by using Reynolds number we calculate the density of the model and then we calculate the drag force so answer is both a and b