For low-speed(laminar) , steady flow through a circular pipe, the velocity u varies with radius and takes what form? Please see this link for picture of the pipe: http://www.sfu.ca/~ptaherib/teaching/ENSC_283_2013/Suggested%20Problems/Suggested%20Problems%20Chapter%201/P1.12.pdf [Broken]
(it's the picture on the very first page of this pdf).
In the posted pdf, the equation for u(r) is given; however, the question that I am given is asking me to somehow come up with the equation for u(r) by myself. How do I do this ? I've looked all over my textbook and can't even seem to find anything remotely related to this; in the very least, what specific topic of fluid mechanics does this fall under ?
The Attempt at a Solution
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