Originally Posted by
razorfever in a cylindrical tube of radius R and length l, the velocity v of the fluid flowing through the tube depends upon the distance r from the central axis according to:
v(r) = (P / (4nl)) * (R^2 - r^2) , for 0<=r<=R
where P is the pressure difference between the ends of the tube
and n is the fluid viscosity
compare the average velocity with the maximum velocity over 0<=r<=R
the answer i got for average velocity was (PR^2) / (6nl)
and for maximum velocity was (PR^2) / 4nl
can someone verify if these are the correct answers and if not provide details on the correct solution
thanks in advance