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Interaction Between Multiple Solid Objects and Bubbles

[+] Author Affiliations
Ryuichi Iwata, Takeo Kajishima, Shintaro Takeuchi

Osaka University, Suita, Osaka, Japan

Paper No. IMECE2010-40180, pp. 393-399; 7 pages
doi:10.1115/IMECE2010-40180
From:
  • ASME 2010 International Mechanical Engineering Congress and Exposition
  • Volume 9: Mechanics of Solids, Structures and Fluids
  • Vancouver, British Columbia, Canada, November 12–18, 2010
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-4446-5
  • Copyright © 2010 by ASME

abstract

In the present study, bubble-particle interactions in suspensions are investigated by a coupled immersed-boundary and volume-of-fluid method (IB-VOF method), which is proposed by the present authors. The validity of the numerical method is examined through simulations of a rising bubble in a liquid and a falling particle in a liquid. Dilute particle-laden flows and a gas-liquid-solid flow involving solid particles and bubbles of comparable sizes to one another (Db /Dp = 1 ) are simulated. Drag coefficients of particles in particle-laden flows are estimated and flow fields involving multiple particles and a bubble are demonstrated.

Copyright © 2010 by ASME
Topics: Bubbles

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