It is important to separate and collect particles from solid-liquid mixture in order to reduce in environmental load and treatment cost of waste fluid. In this study, we try to separate and collect particles from the mixture by ultrasonic waves with relatively low frequency. In the present report, we use slurry of alumina abrasive as removal particles that use for polish and water jet cutting, etc. The particles are fully stirred in test water and then ultrasonic waves are irradiated with some frequencies. The particles behavior observed by a high-speed video camera is analyzed by a time series image analysis and correlated with sound pressure distribution. Particles flocculate to some layers like white bands that correspond to node of sound pressure after irradiation of ultrasonic wave. It is found that particles begin to move just after ultrasonic wave irradiation and flocculate clearly with the increase in sound pressure.
ASME/JSME/KSME 2015 Joint Fluids Engineering Conference
July 26–31, 2015
Seoul, South Korea
Conference Sponsors:
- Fluids Engineering Division
ISBN:
978-0-7918-5733-5
PROCEEDINGS PAPER
Observation of Particle Flocculation by kHz-Band Ultrasonic Waves in Solid-Liquid Mixture (Effects of Frequency and Sound Pressure)
Yasuhiro Sugimoto
,
Yasuhiro Sugimoto
Kanazawa Institute of Technology, Nonoichi-shi, Japan
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Tatsuya Haruna
,
Tatsuya Haruna
Kanazawa Institute of Technology, Nonoichi-shi, Japan
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Keiichi Sato
Keiichi Sato
Kanazawa Institute of Technology, Nonoichi-shi, Japan
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Author Information
Yasuhiro Sugimoto
Kanazawa Institute of Technology, Nonoichi-shi, Japan
Tatsuya Haruna
Kanazawa Institute of Technology, Nonoichi-shi, Japan
Keiichi Sato
Kanazawa Institute of Technology, Nonoichi-shi, Japan
Paper No:
AJKFluids2015-05550, V02AT05A010; 6 pages
Published Online:
April 4, 2016
Citation
Sugimoto, Yasuhiro, Haruna, Tatsuya, and Sato, Keiichi. "Observation of Particle Flocculation by kHz-Band Ultrasonic Waves in Solid-Liquid Mixture (Effects of Frequency and Sound Pressure)." Proceedings of the ASME/JSME/KSME 2015 Joint Fluids Engineering Conference. Volume 2A: Fora, Part 2. Seoul, South Korea. July 26–31, 2015. V02AT05A010. ASME. https://doi.org/10.1115/AJKFluids2015-05550
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