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Unformatted text preview: 6 7 8 Example Water at 20 ° C flows through the contraction shown. The mass flow rate is 40 kg/s. The D 1 is 18 cm and D 2 is 5 cm. What are the average velocities at 1 and 2? 1 2 9 10 Example A hydraulic jump is in place downstream from a spillway as shown in the figure. Upstream of the jump the depth of the stream is 0.6 ft and the average velocity is 18 ft/s. Just downstream of the jump the average velocity is 3.4 ft/s. Calculate the height of the stream, h, just downstream of the jump. 11 12 Example Water at 20 ° C flows into a tank at section 1 and by a pipe as shown. The velocity at section 1 is uniform and has a speed of V 1 = 3 m/s. The volume flow rate through The pipe is Q=0.01 m 3 /s. If the water level h is constant what is the average velocity at the exit (V 2 )? 13 14...
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 Fall '10
 Bohl
 Fluid Dynamics, Mass, Velocity, Mass flow rate

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