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Unread 02-03-2003, 08:00 AM   #26
bigben2k
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Location: Texas, U.S.A.
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If you don't achieve turbulent flow (Reynolds 4'000), then the surface friction is irrelevant: laminar flow at those (low) flow rates doesn't care about a grainy surface. I think...

That's a nice link! I just might use it!
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