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Unformatted text preview: flow? SpecificaUy, what boundary condi-tions are satisfied by u. and u, on the cylinder surface, and far from the surface? 11.3. Find the force (magnitude and direction) required to hold the water nozzle shown in Fig. Pll.3 in place. Assume that the pressure at the entrance to the converging section is 500 kPa (gage), and the exit velocity of the water jet is ISmm 50 m/s. 11.5 A piece of flexible plastic tubing is used to deliver a liquid (water) to a process, as shown in Fig. P11.S. A short nozzle is made by squeezing a glass tube into the flexible tube. Fmd the axial force acting on the glass tube. The tube bas an inner diameter of 1 em and an outside diameter of 1.2 em. t Figure P1L3 A water nozzle. PIIstic IIIbc 01 ,&quot; lube ..-L ... ,.----'em T llan -.....------+, ~ T U-I Imm Figure P1L5 Forces acting on a glass tube. I...
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- Fall '10