A wind pane can be attached with the vertical straw that would denote the direction of the flow of the wind. Hence, one can calibrate the rotation of the cup per minute with the speed of the wind. Cups would rotate at higher speed if a strong wind flows. As the wind would flow, the four cups would start rotating. The opening of each of the four cups should face the back of the other cup. Therefore, the whole set up consists of a fifth cup in the middle with a straw sticking out from the bottom and four cups are stuck on the straws passing through the holes at the rims of the fifth cup. Next, insert the other four cups individually at each straw coming out from the fifth cup’s rim.
Put a straw in the fifth cup through the bottom hole and in each four holes which were created perpendicular to each other at near the rim. The size of the hole should be big enough so that the straws can be fitted in the holes. One hole in the middle of the cup at the bottom is also needed. One pair of hole should be at a little distance from the rim, otherwise straws will obstruct each other if they pass through. In the fifth cup, create four holes at the edge of the rim of the cup and the holes should be perpendicular to each other. Make holes in all the four cups in the middle on the side at equal distance from the rim. Anemometer is an important tool to perform experiments for physicists as well.Ī simple anemometer can be made at home using objects that can easily be found at home.įirst get five plastic or paper cups. This device has a significant place in the field of meteorology as it is beneficial to study the patterns of the weather which eventually aids to monitor and estimate the weather conditions. Furthermore, it has an application to measure the pressure of the wind or any stream (current) of a gas. In short, anemometer measures velocity of the wind. Anemometer is a scientific device which is used not only to measure the speed of the flowing wind but also to know the direction of the moving wind. The word ‘anemos’ is a Greek word which basically means wind or air. The word ‘Anemometer’ is of Greek origin. Since then anemometer has been changed and developed in various forms and designs. The first mechanical ‘Anemometer’ was designed by an Italian mathematician and artist Leon Battista Alberti in the year of 1450.
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