Fluids in motion.pdf

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Example 1: Water flows through a rubberhose 2 cm in diameter at a velocity of 4 m/s.What must be the diameter of the nozzle inorder that the water emerge at 16 m/s?The area is proportional tothe square of diameter, so:vdvd2 21 1 2 2dvd(4 m/s)(2 cm)2 22 1 12 2v2(20 cm)d 2 = 0.894 cm
Example 1 (Cont.): Water flows through arubber hose 2 cm in diameter at a velocity of4 m/s. . What is the rate of flow in m 3 /min?R v A v A1 1 2 221Rv1A1;A1 d42 2d1(4 m/s) (0.02 m)R1 v 1 R4 41 = 0.00126 m 3 /sR13m 1 min 0.00126 min 60 s R 1 = 0.0754 m 3 /min
Page 1 and 2: Chapter 15B - Fluids in MotionA Pow
Page 3 and 4: Objectives: After completing thismo
Page 5 and 6: Assumptions for Fluid Flow:• All
Page 7: Constant Rate of FlowFor an incompr
Page 11 and 12: Problem Strategy (Continued):• Si
Page 13 and 14: Demonstrations of the Venturi Princ
Page 16 and 17: Conservation of EnergyKinetic Energ
Page 19: Example 3: Water flowing at 4 m/s p
Page 22 and 23: Interesting Example ofTorricelli’
Page 24 and 25: Strategies for Bernoulli’s s Equa
Page 26 and 27: Strategies (Continued)P gh ½v P g
Page 28 and 29: General Example (Cont.): Next find
Page 30 and 31: Summary: Bernoulli’s s Theorem•

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