This study is concerned with the numerical simulation of the collision between a vortex ring and an ensemble of small glass particles. The vortex ring, convecting with the self-induced velocity in a quiescent air, collides with the particles. The Reynolds number for the vortex ring is 2600, and the particle diameters are 50 and 200μm. Immediately after the collision with the vortex ring, the 50μm particles surround the vortex ring, forming a dome. The 200μm particles disperse more due to the collision with the vortex ring. This is attributable to the centrifugal effect of the large-scale eddy. The collision between the vortex ring and the particles induces an organized three-dimensional vortical structure inside the vortex ring. It also reduces the strength of vortex ring and the convective velocity.
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ASME/JSME 2007 5th Joint Fluids Engineering Conference
July 30–August 2, 2007
San Diego, California, USA
Conference Sponsors:
- Fluids Engineering Division
ISBN:
0-7918-4288-6
PROCEEDINGS PAPER
Numerical Simulation for the Collision of a Vortex Ring With Solid Particles
Hisanori Yagami,
Hisanori Yagami
Nagoya University, Nagoya, Japan
Search for other works by this author on:
Tomomi Uchiyama
Tomomi Uchiyama
Nagoya University, Nagoya, Japan
Search for other works by this author on:
Hisanori Yagami
Nagoya University, Nagoya, Japan
Tomomi Uchiyama
Nagoya University, Nagoya, Japan
Paper No:
FEDSM2007-37106, pp. 833-840; 8 pages
Published Online:
March 30, 2009
Citation
Yagami, H, & Uchiyama, T. "Numerical Simulation for the Collision of a Vortex Ring With Solid Particles." Proceedings of the ASME/JSME 2007 5th Joint Fluids Engineering Conference. Volume 1: Symposia, Parts A and B. San Diego, California, USA. July 30–August 2, 2007. pp. 833-840. ASME. https://doi.org/10.1115/FEDSM2007-37106
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