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Lab #3 Writeup - ME 335 Lab#3 Pitot Tube By Kyle Zibrowski...

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ME 335 Lab #3: Pitot Tube By: Kyle Zibrowski Tuesday, 3:10 pm-5:00 pm, Section #5 Group Members: February 8 th , 2011 Abstract 1
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This lab report covers the topic of pitot tubes used as velocity measuring devices. A pitot tube is able to measure a pressure difference between stagnant and dynamic flow. These two different scenarios will cause a pressure difference that can be translated into a velocity by use of Bernoulli’s Equation. The results from this experiment show that even flow down a pipe has some turbulent effects. The velocity profile is not uniform. It was found that the velocity hit a maximum magnitude at the center of the pipe and had decreased magnitude (eventually dropping off to zero) nearer to the pipe edges. These results help to confirm the no shear assumption that is often made with fluids, meaning the velocity at the pipe edge is zero. I. Introduction The Pitot Tube is a simple device that utilizes some of the fundamentals of Fluid Mechanics to measure pressures and velocities of fluids. If correctly calibrated and put to use a pitot tube can be very beneficial and simple tool for anyone seeking information about a fluid to use. Pitot tubes will take advantage of dynamic and stagnant pressures
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