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Interfacial Instability of Particulate Suspension in Narrow Channel

[+] Author Affiliations
Kensuke Watanabe, Taiga Shiotani, Megumi Kondo, Kodai Sato, Shusaku Harada

Hokkaido University, Sapporo, Hokkaido, Japan

Paper No. AJK2011-09004, pp. 2305-2310; 6 pages
  • ASME-JSME-KSME 2011 Joint Fluids Engineering Conference
  • ASME-JSME-KSME 2011 Joint Fluids Engineering Conference: Volume 1, Symposia – Parts A, B, C, and D
  • Hamamatsu, Japan, July 24–29, 2011
  • Conference Sponsors: Fluids Engineering Division
  • ISBN: 978-0-7918-4440-3
  • Copyright © 2011 by JSME


The gravitational settling of particulate suspension in a narrow channel has been studied experimentally and theoretically. In our previous study, it has been found that the gravity-induced instability of suspension-fluid interface governs the particle settling motion and the suspension behaves as a continuous fluid for high concentration and small particle size. The purpose of this study is to investigate how such a suspension-fluid interface behaves in a narrow channel. The experimental and theoretical results indicate that the aspect ratio of the channel cross-section is an important parameter for describing the settling behavior of particulate suspension.

Copyright © 2011 by JSME



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