How does the wind organ in this youtube video work?

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SUMMARY

The wind organ discussed in the YouTube video operates based on the principles of sound wave harmonics, specifically described by the equation f = nv/2L. The frequency of the sound produced is determined by the integer values of n, which represent different harmonics, rather than changes in the velocity of sound. The airflow speed influences the harmonics generated, leading to the production of various musical notes. This understanding clarifies how different sounds are produced by the wind organ.

PREREQUISITES
  • Understanding of basic physics principles, particularly sound waves
  • Familiarity with the equation f = nv/2L
  • Knowledge of harmonics and their relationship to musical notes
  • Basic comprehension of airflow dynamics
NEXT STEPS
  • Research the principles of sound wave harmonics in musical instruments
  • Explore the relationship between airflow speed and sound frequency
  • Learn about the physics of wind instruments and their design
  • Investigate how different materials affect sound production in wind instruments
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Musicians, acoustics engineers, physics students, and anyone interested in the mechanics of sound production in wind instruments.

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http://www.youtube.com/watch?v=AuYFcjBmMJ0&feature=relmfu

at time 34:35. He says it depends on how fast the air is flowing by? So does that mean the velocity of sound in the equation f=nv/2L change? How are the different sounds produced?
 
Last edited:
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It's not the velocity of sound that's changing, its n that is changing in the equation f=nv/2L. The different notes are different harmonics, corresponding to different integer values of n.
 

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