working pattern of an anemometer
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An anemometer is an instrument that measures wind speed and wind pressure. Anemometers are important tools formeteorologists, who study weather patterns. They are also important to the work ofphysicists, who study the way air moves.
The most common type of anemometer has three or four cups attached to horizontalarms. The arms are attached to a vertical rod. As the wind blows, the cups rotate, making the rod spin. The stronger the wind blows, the faster the rod spins. The anemometer counts the number of rotations, or turns, which is used to calculate wind speed. Because wind speeds are not consistent—there are gusts and lulls—wind speed is usually averaged over a short period of time.
A similar type of anemometer counts the revolutions made by windmill-style blades. The rod of windmill anemometers rotates horizontally.
The most common type of anemometer has three or four cups attached to horizontalarms. The arms are attached to a vertical rod. As the wind blows, the cups rotate, making the rod spin. The stronger the wind blows, the faster the rod spins. The anemometer counts the number of rotations, or turns, which is used to calculate wind speed. Because wind speeds are not consistent—there are gusts and lulls—wind speed is usually averaged over a short period of time.
A similar type of anemometer counts the revolutions made by windmill-style blades. The rod of windmill anemometers rotates horizontally.
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Encyclopedic Entry
Vocabulary
An anemometer is an instrument that measures wind speed and wind pressure. Anemometers are important tools for meteorologists, who study weather patterns. They are also important to the work of physicists, who study the way air moves.
The most common type of anemometer has three or four cups attached to horizontalarms. The arms are attached to a vertical rod. As the wind blows, the cups rotate, making the rod spin. The stronger the wind blows, the faster the rod spins. The anemometer counts the number of rotations, or turns, which is used to calculatewind speed. Because wind speeds are not consistent—there are gusts and lulls—wind speed is usually averaged over a short period of time.
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Encyclopedic Entry
Vocabulary
An anemometer is an instrument that measures wind speed and wind pressure. Anemometers are important tools for meteorologists, who study weather patterns. They are also important to the work of physicists, who study the way air moves.
The most common type of anemometer has three or four cups attached to horizontalarms. The arms are attached to a vertical rod. As the wind blows, the cups rotate, making the rod spin. The stronger the wind blows, the faster the rod spins. The anemometer counts the number of rotations, or turns, which is used to calculatewind speed. Because wind speeds are not consistent—there are gusts and lulls—wind speed is usually averaged over a short period of time.
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