The relationship between bubble motion and particle flocculation pattern under 20-kHz-ultrasound radiation in water

Muramatsu, Hiroya; Saito, Takayuki

doi:10.1016/j.ces.2017.03.040

Cited by 14 publications

(1 citation statement)

References 22 publications

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“…The packing ratio of the upper SFPS was estimated at 56-60%. 27 The number of the small particles flocculated in the upper SFPS was estimated at approximately 1030, which indicated that the ratio of the flocculated particles in the upper SFPS to all the small particles put in the vessel was 10%. The other small particles were dispersed in the vessel, or flocculated in the lower SFPS.…”

Section: Our Novel Particle Separation/manipulation Technology Proposmentioning

confidence: 99%

An innovative unit operation of particle separation/classification by irradiating low‐frequency ultrasound into water

Muramatsu

Saito

2017

AIChE Journal

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By irradiating kHz-band ultrasound, submillimeter-or millimeter-size particles that were dispersed in water with dissolved gases flocculated into a spherically flocculated particle swarm (SFPS). Acoustic cavitation-oriented bubbles caused by the irradiation played essential roles in the formation of the SFPS. Unprecedented and promising phenomena were observed: the particles were separated based on their diameters through the precise control of the ultrasound irradiation, and the SFPS was easily manipulated using a motion-controlled stick. The relationship between the soundpressure profiles and the manipulable range of the SFPS is discussed; that is, the effectively manipulable range was limited by the sound-pressure profile. By means of manipulation control, we demonstrate the particle classification by particle diameters. On the basis of these findings, an example of a practical application of this technique is proposed.

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Section: Our Novel Particle Separation/manipulation Technology Proposmentioning

confidence: 99%

An innovative unit operation of particle separation/classification by irradiating low‐frequency ultrasound into water

Muramatsu

Saito

2017

AIChE Journal

Self Cite

View full text Add to dashboard Cite

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Multi-frequency characterization of particle-wall interactions in a solid-liquid dispersion conveying pipe flow using a non-intrusive vibration detection method

Wang

et al. 2021

Chemical Engineering Journal

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Multi-scale characterization and identification of dilute solid particles impacting walls within an oil-conveying flow with an experimental evaluation by dual vibration sensors

Wang

et al. 2021

Chemical Engineering Journal

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The relationship between bubble motion and particle flocculation pattern under 20-kHz-ultrasound radiation in water

Cited by 14 publications

References 22 publications

An innovative unit operation of particle separation/classification by irradiating low‐frequency ultrasound into water

An innovative unit operation of particle separation/classification by irradiating low‐frequency ultrasound into water

Multi-frequency characterization of particle-wall interactions in a solid-liquid dispersion conveying pipe flow using a non-intrusive vibration detection method

Multi-scale characterization and identification of dilute solid particles impacting walls within an oil-conveying flow with an experimental evaluation by dual vibration sensors

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