scholarly journals Acoustic radiation force on a rigid sphere in the nearfield of a circular piston vibrator

1988 ◽  
Vol 84 (S1) ◽  
pp. S187-S187
Author(s):  
Takahi Hasegawa ◽  
Naoki Inoue ◽  
Kiichiro Matsuzawa
Keyword(s):  
Acoustic Radiation ◽  
Radiation Force ◽  
Acoustic Radiation Force ◽  
Rigid Sphere

Acoustic radiation force on a rigid sphere in the near field of a circular piston vibrator

1990 ◽  
Vol 88 (3) ◽  
pp. 1578-1583 ◽  
Author(s):  
Takahi Hasegawa ◽  
Tohru Kido ◽  
Shigeki Takeda ◽  
Naoki Inoue ◽  
Kiichiro Matsuzawa
Keyword(s):  
Acoustic Radiation ◽  
Near Field ◽  
Radiation Force ◽  
Acoustic Radiation Force ◽  
Rigid Sphere

Acoustic radiation pressure on a rigid sphere in a viscous fluid

1994 ◽  
Vol 447 (1931) ◽  
pp. 447-466 ◽  
Keyword(s):  
Viscous Fluid ◽  
Radiation Pressure ◽  
Special Interest ◽  
Acoustic Radiation ◽  
Sound Field ◽  
Radiation Force ◽  
Acoustic Radiation Force ◽  
Rigid Sphere ◽  
Sphere Radius ◽  
Acoustic Radiation Pressure

The acoustic radiation pressure exerted by an axisymmetric sound field on a rigid sphere suspended freely in a viscous fluid is calculated, the sphere being considered as having an arbitrary radius relative to the sound and viscous wavelengths. The limiting cases of special interest are then investigated, namely, the acoustic radiation force due to a plane progressive and plane standing wave is examined for the limiting cases when the sound wavelength is much more than both the sphere radius and the viscous wavelength and the sphere radius is, in its turn, small or large compared with the viscous wavelength. It is shown that the influence of the viscosity of the fluid surrounding the sphere on the radiation force can be quite considerable in both a quantitative and a qualitative sense. The case of a fastened sphere is also considered.

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