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ERIC Number: EJ943468
Record Type: Journal
Publication Date: 2011-Sep
Pages: 5
Abstractor: As Provided
Reference Count: 3
ISSN: ISSN-0031-9120
Wind Speed Measurement by Paper Anemometer
Zhong, Juhua; Cheng, Zhongqi; Guan, Wenchuan
Physics Education, v46 n5 p578-582 Sep 2011
A simple wind speed measurement device, a paper anemometer, is fabricated based on the theory of standing waves. In providing the working profile of the paper anemometer, an experimental device is established, which consists of an anemometer sensor, a sound sensor, a microphone, paper strips, a paper cup, and sonic acquisition software. It shows that the sound wave detected in the paper cup has a larger amplitude and the noise is depressed, though the frequency of the sound is twice that detected directly from the strip. From the experiments, we find that the frequency of the sonic wave does not change with wind speed; however, its amplitude increases with wind speed. To predict the wind speed, a correlation is established from the sound wave amplitude. (Contains 8 figures and 1 table.)
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Publication Type: Journal Articles; Reports - Descriptive
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A