Fundamentals of Fluid Mechanics B Questions and Answers  


Yes this is correct. In part (a), the drag force should be equal to the gravitational pull force.






That's the nondimensional version of the $y$ coordinate. This was defined shortly after the guess for $\psi$ early on in the far wake profile derivation.




The answer to this question should be clear from the class notes. If we assumed a certain $v$ distribution when deriving the $u$ velocity profile, then you need to be consistent and keep the same $v$ distribution. Otherwise, such $u$ profile does not restrict how $v$ can vary.




Yes. It may take me 23 days to give you feedback.




OK, this problem will be omitted.



$\pi$ 