Effects of Ultrasound on Behavior of Fine Solid Particles in Solid-Liquid Mixture : Classification of Particle Aggregation and Sound Pressure Profiles under Horizontal Irradiation

Material type: 文書・図像類

Author: Ohta, Junichiほか

Publisher: The Japan Society of Mechanical Engineers = 日本機械学会

Publication date: 2008-03

Material Format: Digital

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Note (General)：: Particles in a liquid under standing ultrasonic waves have been known to aggregate. However, particle aggregation behavior remains unclear. Thus, ultr...

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Material Type: 文書・図像類
Title: Effects of Ultrasound on Behavior of Fine Solid Particles in Solid-Liquid Mixture : Classification of Particle Aggregation and Sound Pressure Profiles under Horizontal Irradiation
Author/Editor: Ohta, Junichi
Nakano, Hiroyuki
Author Heading: Ohta, Junichi
Nakano, Hiroyuki
Publication, Distribution, etc.: The Japan Society of Mechanical Engineers = 日本機械学会
Publication Date: 2008-03
Publication Date (W3CDTF): 2008-03
Periodical title: Journal of Fluid Science and Technology
No. or year of volume/issue: 3 5
Volume: 3
Issue: 5
Pages: 655-666
Text Language Code: eng
Subject Heading: Multiphase Flow
Ultrasonic Wave
Radiation Force
Separation
Cavitation
Particle Aggregation
Target Audience: 一般
Note (General): Particles in a liquid under standing ultrasonic waves have been known to aggregate. However, particle aggregation behavior remains unclear. Thus, ultrasonic waves horizontally irradiated particles in tap water or degassed water with a relatively large disk-type acoustic transducer. We observed the particle behavior and measured the sound pressure profiles. The following results were obtained. The behavior of particles in water under ultrasonic waves was classified as “band", “point", “particle clump", and “non-aggregation". Experimental conditions producing “band", “point", “particle clump", and “non-aggregation" in tap water were found to be different from those in degassed water. Moreover, the point aggregations at a frequency f of 96.3 kHz were observed at many more locations (higher spatial density) than those at a frequency f of 23 kHz. The sound pressure profile for f = 96.3 kHz had many more peaks than that for f = 23 kHz in the vertical direction, which corresponds to the spatial densities of the point aggregation.
Source: https://u-fukui.repo.nii.ac.jp/?action=repository_action_common_download&item_id=23067&item_no=1&attribute_id=22&file_no=1
https://u-fukui.repo.nii.ac.jp/?action=repository_action_common_download&item_id=23067&item_no=1&attribute_id=22&file_no=1
Access Restrictions: 限定公開
Rights (production): Copyright 〓 2008 by The Japan Society of Mechanical Engineers 日本機械学会
Related Material (DOI): 10.1299/jfst.3.655
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 福井大学 : 福井大学学術機関リポジトリ