On Tue, Apr 14, 2009 at 10:24 AM, Claus <cniesen at gmx.net> wrote: > "No. In fact the opposite is true. The velocity of the flow right next > to the pipe wall is virtually zero. The lower the flow (or the higher > the viscosity), the farther in you have to go before the velocity of the > flow is at it's maximum." Ah yes! That's the ticket. -todd