The anemometer counts the number of rotations, or turns, which is used to determine wind speed. Because wind speeds are not consistent wind speed is usually averaged over a brief period. Windmill Anemometers Windmill anemometers are used to calculate the velocity of the wind. The axis will rot...
Anemometers come in a variety of forms, but the simplest type is the cup anemometer. The cup anemometer consists of a vertical pole with four horizontal arms attached to the top. Cups are attached to the ends of the four arms, and the wind causes the cups to rotate the arms around the...
How Wire Anemometers The term anemometer was derived from the Greek words anemos, "wind," and metron, "measure." Mechanical anemometers were first developed back in the 15th century to measure wind speed. A hot-wire anemometer consists of an electrically heated, fine-wire element (0.00016 in...
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electronic balance, the infrared thermodetector, the noise meter, the anemometer, the coating thickness gauge, the ultrasonic thickness tester gauge, the vibration meter, the torque wrench, the push-pull effort idea, Vernier caliper, leads table Caliper, the number to reveal Caliper, the microme[...
second instrument, which can be as simple as a weather vane, to take this measurement. Newer versions of the cup anemometer employ cups with different shapes, and can use the different drag on different cups to determine which direction the wind is blowing, but most still use the older ...
A time-differential relationship proportional to the flow can be obtained by transmitting the signal alternately in both directions. Related articles to: What is a Volumetric Flow Meter? Product Info What Is An Anemometer And What Does It Measure? Introduction to Air Velocity Measurement ...
Scientists typically use a tool called an anemometer to measure the speed of the wind. Wind is a great source of renewable(可再生的)energy. Wind turbines(涡轮机)and windfarms can generate electricity without burning fossil fuels or producing pollution. 1. Which is the right picture according ...