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TRAINING OF WIND SPEED CALIBRATION

TRAINING OF WIND SPEED CALIBRATION

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– A pair of concentric tubes<br />

Pitot-static tube<br />

– Stagnation port is a blunt obstacle to airflow (drag<br />

coefficient is unity)<br />

– Static port is located at a point far enough back along the<br />

tube to have no dynamic flow effects at all<br />

– Must be oriented into the airflow<br />

– Ideal for wind tunnels (reliable and cheap)<br />

– Usually it requires a controlled environment for operation<br />

– Not good at under 1 m/s, designed to measure very high<br />

wind speeds<br />

– Choising manometer is very important<br />

– It must be keep upright and maximal inclination must be 5<br />

degree<br />

25/10

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