ChE 222, HW-11, Spring 2011

ChE 222, HW-11, Spring 2011 - Middle East Technical...

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Middle East Technical University Department of Chemical Engineering ChE 222 – Fluid Mechanics May 26, 2011 Homework XI (Due June 7, 2011) Problem 1 – Consider the piping and venturimeter shown in the figure. Water with density 1 g/cm 3 and viscosity 1 cP is flowing through both branches of equal length (100 m). Neglecting all loses except wall friction and losses due to venturimeter, calculate Q, the total volumetric flow rate. The internal diameter of all piping is the same; also assume that the friction factor “ f” can be predicted by, Problem 2 – A horizontal venturimeter having a throat diameter of 20 mm is set in a 75 mm ID pipeline. Water at 25°C is flowing through the line. A manometer containing mercury under water, measures the pressure differential over the instrument. When the manometer reading is 500 mm, what is the flow rate in L/s. If 12 % of the pressure differential is permanently lost, what is the power consumption of meter? Problem 3
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ChE 222, HW-11, Spring 2011 - Middle East Technical...

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