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solar thermal music

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Uploaded by on Aug 18, 2008

Alpha test of a solar thermal organ.
Uses variable-pitch thermoacoustic oscillators.

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Science & Technology

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Uploader Comments (sota53)

  • what did did you use for cooling at the back? did you use a capillary bundle, or are they just open?

  • mostly open, output depends more on stack material and other factors.  various mods in the latest version (in a sort of thermal-organ-meets-pedal-stee­l-guitar....)

  • Hi could you mesure howmuch Audio power it can generate? Frequency and amplitude? or dB?

  • Freq range for this set was about 250 to 880 Hz, more or less an octave and a half above middle C. Range can be extended by changing the size of cells in the thermoacoustic "stack.".

    Sound intensity was about 83 dB at 1 meter.

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All Comments (9)

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  • Sounds like it should be part of a puzzle in Myst.

  • I was going to try fine guage brass tube, perhaps that's too thermal conducive to give a proper temperature gradient though. I've read pyrex tubes are good. Looking forward to hearing those glissandi...

  • check out the glass harmonica

  • THATS AWESOME!!

    An explanation of what the hell is going on would be nice though.

  • Nicely done. Did you custom make the reflective concentrators or was that a off the shelf thing?

  • this is beautiful! music from the sun. How did you make the instrument? Can you share; I'd like to have a solar music sculpture in my yard too

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