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Please see attachment for hydraulics problem. He...




Please see attachment for hydraulics problem. Here are some details about it: We don?t know the flow rate (or any of the velocities through the pipes) but it does have completely turbulent flow (given) so that tells us how to find the friction factors. Also, we want to work in terms of the flow rates (Q) rather than in velocities because of continuity. Continuity says that the flow rates (Q) are the same through each pipe, not their velocities. Working in flow rates suggests three things: (1) It is probably advisable to convert all minor head losses to equivalent lengths of pipe and get them out of the way of your computations; (2) Work with resistance coefficients (R); (3) If the Bernoulli contains a kinetic energy element, you will want to work with that in terms of flow rate (Q) rather than velocity (V) also. That is easy to do since we know that V2 = Q2 / A2. P.S. answer is given in attachment.


Paper#12696 | Written in 18-Jul-2015

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