Digital anemometers measure wind speed, direction, and intensity by converting mechanical energy into electrical energy. They work based on the principle of airflow measurement. Here’s how they work:
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Cup anemometerA common type of anemometer with three or four cups attached to a vertical rod. When wind blows, the cups rotate, which causes the rod to spin. The faster the rod spins, the stronger the wind is blowing. A sensor inside the anemometer records the rotation rate of the cups and converts it into wind speed.
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Thermal anemometerUses convective heat transfer to measure wind speed. A heated element is placed in the wind’s path, and the rate at which it cools is measured. The cooling rate is proportional to the wind speed.
Anemometers are used in many industries, including aviation, weather forecasting, and environmental monitoring.
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