Volumetric flow rate (simple???)

meb09JW

Assuming reservoir level stays constant, and friction losses are negligible compared to gravitational effects, which overflow config achieves a higher volumetric flow rate?

http://boards.420chan.org/tesla/src/1311021903815.jpg

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Now, I'm arguing with a friend about this. He's saying the long pipe will have the greater flow, using the steady state energy equation. I don't think that analysis will be valid here though...any ideas?

Thanks.

darkxponent

try this link

http://en.wikipedia.org/wiki/Bernoulli%27s_theorem