QUESTIONS. Last class  Continuity  Bernoulli Equation.

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Presentation transcript:

QUESTIONS

Last class  Continuity  Bernoulli Equation

Homework  Water flows through a 2-inch diameter pipe at 200 lbm/min. Its temperature is 60 o F. Find the velocity of water flow (fps).

Homework  Water from a pipe line is diverted into weigh tank for exactly 9 minutes. Tank weight increases 4765 lbf. Water temperature is 60 o F. Find the flow rate (gpm).

Homework  Steady flow of gas through a pipe whose diameter decreases from 1.0 meter to 60cm. The gas density decreases from 2 kg/m 3 to 1.6 kg/m 3. The entering velocity is 25 m/s. What is exit velocity (m/s)?

Example 60 cm diameter 3 cm diameter How long will it take for level to drop from h = 3m to h = 30cm?

Example  Manometer measures flow of kerosene in a pipe; manometer fluid is mercury. SG of kerosene is 0.8. Deflection of manometer is 7 in. Find flow velocity.

References  Images & examples Applied Fluid Mechanics, 6 th Edition, Mott, Prentice Hall Engineering Fluid Mechanics, 5 th Edition Crowe, & Roberson, Wiley