acoustic resonance


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acoustic resonance

[ə′küs·tik ′rez·ə·nəns]
(acoustics)
A phenomenon exhibited by an acoustic system, such as an organ pipe or Helmholtz resonator, in which the response of the system to sound waves becomes very large when the frequency of the sound approaches a natural vibration frequency of the air in the system.
References in periodicals archive ?
Knowing that the acoustic resonance of the air cavity is inversely proportional to the square root of the acoustic stiffness, it could be deduced that the small volume of the air cavity would result in a high-frequency acoustic resonance.
de Baerdemaeker, "Eggshell crack detection based on acoustic resonance frequency analysis," Journal of Agricultural Engineering Research, vol.
The cavity length was L = 20 mm, and the depth was D/L = 0.5, where the acoustic resonance such as a depth mode does not occur.
A cavity flow without acoustic resonance does not generate self-sustained oscillations or intense tonal sound in cavity flows at low Mach numbers in the turbulent boundary layer.
Moving the first acoustic resonance higher in frequency (above 20 Hz) enables the measurement to capture the first acoustic resonance of the combustion chamber.
Finally, before the metal discs are sent out to drummers the world over, they are aged for several months to achieve the perfect acoustic resonance.
Operationally, the unique ActiveMetal technology has its basis in trapped acoustic resonance combined with rugged metal housings.
The program provided both batch output and interactive plotting in which the acoustic resonance shapes could be animated.
Nevertheless, sound from the flame will excite structural or acoustic resonances at certain frequencies.
Lee, "Widening the sound absorption bandwidths of flexible micro-perforated curved absorbers using structural and acoustic resonances," International Journal of Mechanical Sciences, vol.

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