Pitot Tube - PitotTube

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Pitot Tube The Pitot tube is an instrument used for the measurement of fluid velocity and it is used  in pneumatic measurements and in aviation airspeed determination.  In 1732 a French engineer named Henri de Pitot invented a machine to measure the  speed of running waters and the wake of vessels was highlighted. His instrument consisted of  two glass tubes mounted vertically on a wooden frame that had a length scale attached. The  static tube pointed straight down, while the Pitot tube had a 90-degree bend at the bottom to  face the flow. The instrument was lowered into the flow and the difference in the liquid level in  the two tubes recorded.  However, the device was innovative at the time, it had its defects. First,  it did not provide the proper theoretical analysis for the device. He equated the reading to the  velocity attained by a falling body and prepared calibration tables of questionable accuracy. 
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Pitot Tube - PitotTube

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