![]() Pitot tubes are used not only to measure the speed of flow, but also to measure the speed of objects moving in air.However, if the flow velocity is slow, the difference in the height of the water level becomes small, and it cannot be measured accurately. Enter the scale of the scale board (set in cm to make the height in the table easy to understand) using these values. ![]() The relationship between height and flow velocity calculated from the above equation is shown in the following table.
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