3C20.30 - Siren Disk - Seebeck Siren

Put the Savart's wheel into the rotator and tighten securely. Start the motor and direct a stream of air at each series of holes and listen to the pitch changes.
Code Number:
3C20.30
Demo Title:
Siren Disk - Seebeck Siren
Condition:
Good
Principle:
Frequency of Sound Waves
Area of Study:
Acoustics
Equipment:
Savart wheel w/holes, Motor-driven rotator.
Procedure:

Put the Savart's wheel into the rotator and tighten securely. Start the motor and direct a stream of air at each series of holes and listen to the pitch changes.  

References:
  • Norihiro Sugimoto ( Stray Cats ), "Let's make "24:27:30:32:36:40:45:48" and Play Music", TPT, Vol. 58, #4, April 2020, p. 280.
  • Thomas D. Rossing, "Seebeck's Siren", TPT, Vol. 17, # 6, Sept. 1979, p. 352.
  • E. Scott Barr, "The Sirene", TPT, Vol. 17, # 8, p. 550, Nov. 1979.
  • Arthur H. Benade, "An Octave Synthesizer", TPT, Vol. 16, # 6, Sept. 1978, p. 400.
  • Thomas B. Greenslade Jr., "Siren and Savart's Disk Combined", AJP, Vol. 81, #1, Jan. 2013, p. 23.
  • Thomas B. Greenslade, Jr., "Siren Disk (Photo)", AJP, Vol. 72, # 2, Feb. 2004, p. 263.
  • Sc-1:  Freier and Anderson,  A Demonstration Handbook for Physics.
  • W-050:  "Siren Disk",  DICK and RAE Physics Demo Notebook.
  • S-120, 121:  Richard Manliffe Sutton, Demonstration Experiments in Physics.
  • George M. Hopkins, "Experiments with the Scientific Top", Experimental Science, p. 173.
  • John Henry Pepper, "Acoustics", Cyclopadic Science Simplified, p. 496.

 

Disclaimer: These demonstrations are provided only for illustrative use by persons affiliated with The University of Iowa and only under the direction of a trained instructor or physicist.  The University of Iowa is not responsible for demonstrations performed by those using their own equipment or who choose to use this reference material for their own purpose.  The demonstrations included here are within the public domain and can be found in materials contained in libraries, bookstores, and through electronic sources.  Performing all or any portion of any of these demonstrations, with or without revisions not depicted here entails inherent risks.  These risks include, without limitation, bodily injury (and possibly death), including risks to health that may be temporary or permanent and that may exacerbate a pre-existing medical condition; and property loss or damage.  Anyone performing any part of these demonstrations, even with revisions, knowingly and voluntarily assumes all risks associated with them.