Practice question A pitot tube is inserted in an air flow (at STP) to measure the flow speed. The tube is inserted so that it points upstream into the flow and the pressure sensed by the tube is the stagnation pressure. The static pressure is measured at the same location in the flow, using a wall pressure tap. If the pressure difference is 30 mm of mercury, determine the flow speed.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Practice question
A pitot tube is inserted in an air flow (at STP) to measure the flow
speed. The tube is inserted so that it points upstream into the flow and
the pressure sensed by the tube is the stagnation pressure. The static
pressure is measured at the same location in the flow, using a wall
pressure tap. If the pressure difference is 30 mm of mercury, determine
the flow speed.
Transcribed Image Text:Practice question A pitot tube is inserted in an air flow (at STP) to measure the flow speed. The tube is inserted so that it points upstream into the flow and the pressure sensed by the tube is the stagnation pressure. The static pressure is measured at the same location in the flow, using a wall pressure tap. If the pressure difference is 30 mm of mercury, determine the flow speed.
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