Examinations of Behavior of Liquid Irradiated with High-Intensity Aerial Ultrasonic Waves in a Long Pore

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概要

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• We experimentally verified the method of using the radiation force of high-intensity aerial ultrasonic waves at a frequency of 20 kHz to remove a liquid that entered a long pore. It was found that, on the wall surface of a cavity formed in the pore after the liquid had been removed by irradiating with ultrasonic waves, a small number of residual liquid drops linearly accumulated at multiple positions along the internal circumference of the cavity wall. The positions irregularly changed as the removal progressed. It can be considered that this phenomenon was mainly caused by the acoustic radiation force produced by nonlinear aerial ultrasonic waves. To explain this phenomenon, we observed in detail the behavior of the liquid; in addition, we performed a simulation of the acoustic radiation force produced by nonlinear aerial ultrasonic waves in a long pore, and compared the results of the simulation with the observed behavior of the liquid.

• 2013-07-25

著者

• Ito Youichi

  Faculty Of Science & Technology Nihon University

• Osumi Ayumu

  Faculty of Science and Technology, Nihon University, Chiyoda, Tokyo 101-8308, Japan

• Kato Ryo

  Faculty of Science and Technology, Nihon University, Chiyoda, Tokyo 101-8308, Japan

関連論文

• The Motion of High Intensity Aerial Ultrasonic Waves (20 kHz) Entering a Perforation
• Basic Study of Detecting Defects in Solid Materials Using High-Intensity Aerial Ultrasonic Waves
• Erratum: ``Basic Study of Detecting Defects in Solid Materials Using High-Intensity Aerial Ultrasonic Waves''
• Linearly Convergent Aerial Ultrasonic Source Providing a Variable Incident Angle and Acoustic Radiation Force by Standing-Wave Ultrasonic Field
• Examination of Noncontact Excitation of Acrylic Board Using High-Intensity Aerial Ultrasonic Waves Having Finite Amplitudes
• Experimental Investigation of Deflection of High-Speed Water Current with Aerial Ultrasonic Waves
• Examinations of Behavior of Liquid Irradiated with High-Intensity Aerial Ultrasonic Waves in a Long Pore
• Examinations of Behavior of Liquid Irradiated with High-Intensity Aerial Ultrasonic Waves in a Long Pore (Special Issue : Ultrasonic Electronics) -- (Nonlinear acoustics, high power ultrasound, sonochemistry)
• Creation of Acoustic Field in Linear or Partially Bent Holes by High-Intensity Aerial Convergent Ultrasonic Waves
• New technique for linearly converging ultrasonic waves radiated by a stripe-mode vibrating plate

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