How can I expand my science fair project idea? Real life application needed...?

For the science fair my partner and I made flute headjoints out of various materials. We were planning on blowing through them and using sound frequency wave analysis software to see how many overtones were present in the sounds. Then based on that we would come to a conclusion about the different metals and how they affect the vibrating column of air inside the flute. I'm starting to think this isn't enough and I'd like to connect the project with a real life application. Does anyone know of a practical usage of vibrating columns of air in tubes (one that is comparable to our experiment)?

The animal or human ear / ear drum!... On a different note (pardon the pun) You could also look into hypersonic sound (which is more directional) then you can aim two non-audible signals at slightly different kHz say 50kHz signals and another at 60KHz.. if they are phased correctly they should yield a 10KHz hear able sound where the two non audible sounds are in the same location. Does that sound like fun?

Hi,

Why not base it on improving sound characterstics of the flute by improving the overtones as expressed by the type of material you are using.

If you can make significiant improvements, imagine what you could market that to the music industry for. Quiet a sum of money, one would think. Be sure to acquire a patent before releasing your idea to anyone.

Darryl S.

Vibrating column of air is used in a Pipe Organ. You will find them in older large churches.

Ships , Trains & Trucks use air horns.

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