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Code Number: 1Q40.90
Demo Title: Acoustic Propulsion - Feynman Sprinkler (Acoustic Version)
Condition: Excellent
Principle: Helmholtz Resonance
Area of Study: Oscillations/Acoustics
Equipment:
Helmholtz Resonators on Cross Bar Support, Large Speaker, Amplifier, Wave Generator, and Pivot.
Procedure:
See also: 1N20.40 and 1Q40.85.
References:
- Bruce J. Ackerson, "Cartesian Diver Plus", TPT, Vol. 58, #2, Feb. 2020, p. 84.
- Doug Stith, "The Resonating Raft", TPT, Vol. 54, #9, Dec. 2016, p. 570.
- Ricardo R. Boullosa and Felipe Orduña-Bustamante, "The Reaction Force on a Helmholtz Resonator Driven at High Sound Pressure Amplitudes", AJP, Vol. 60, #8, Aug. 1992, p. 722.
- David Abott, Zeke Kossover, Van Bistrow, Emma Dawson, Amy Kolan, Cliff Bettis, Dave Ansell, George Herold, Bill Norwood, "Helmholtz Propulsion", Tap-L Conversations, 2018.
Emma Dawson, "Acoustic Propulsion: It's Not Rocket Science", St. Olaf College