In Figure 1, a reducing elbow is used to deflect water flow at a rate of 18 kg/s in a horizontal pipe upward 40o while accelerating. The elbow discharge water into the atmosphere. The cross sectional area of the elbow is 120 cm2 at the inlet and 10 cm2 at the outlet. The elevation difference between the centers of the outlet and the inlet is 50 cm. The weight of the elbow and the water in it is considered to be negligible. If the density of water is 1000 kg/m3 and momentum-flux correction factor is 1.03, determine:  - The velocity of water at the inlet and outlet and                                  - The gage pressure at the center of the inlet of the elbow

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A: U1=2.3 m/sA1=?U2=0.7 m/sA2=11 cm2θ2=30oU3=0.9 m/sA3=8 cm2θ3=25oρ=1000 kg/m3

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Q: A jet of water flows from left to right and hits a splitter block, as shown in the figure. Some of…

A: U1=2 m/sA1=?U2=0.6 m/sA2=11 cm2θ2=15oU3=0.9 m/sA3=9 cm2θ3=40oρ=1000 kg/m3

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Q: Q,= 6000 cm³/ A,= 30 cm2 Q, = 8000 cm³/s %D e = 45° e = 45° Az= 40 cm² A3= 10 cm2 Q3= 2000 cm3/s

A: Moment flux = density X flow Rate X velocity Flow Rate = Area X Velocity

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Fluid Dynamics

The study of the flow of gases and liquids, usually in and around solid surfaces, is known as fluid dynamics in physics and engineering. Fluid dynamics, for example, can be used to evaluate the movement of air through an airplane wing or the surface of a vehicle. It can also be used in ship design to increase the speed at which ships pass through water.