arrow
Volume 7, Issue 2
Numerical Investigation of "Frog-Leap" Mechanisms of Three Particles Aligned Moving in an Inclined Channel Flow

Xiao-Dong Niu, Ping Hu, Xing-Wei Zhang, Hui Meng, Hiroshi Yamaguchi & Yuhiro Iwamoto

Adv. Appl. Math. Mech., 7 (2015), pp. 207-228.

Published online: 2018-05

Export citation
  • Abstract

Intrigued by our recent experimental work (H. Yamaguchi and X. D. Niu, J. Fluids Eng., 133 (2011), 041302), the present study numerically investigate the flow-structure interactions (FSI) of three rigid circular particles aligned moving in an inclined channel flow at intermediate Reynolds numbers by using a momentum-exchanged immersed boundary-lattice Boltzmann method. A "frog-leap" phenomenon observed in the experiment is successfully captured by the present simulation and flow characteristics and underlying FSI mechanisms of it are explored by examining the effects of the channel inclined angles and Reynolds numbers. It is found that the asymmetric difference of the vorticity distributions on the particle surface is the main cause of the "frog-leap" when particle moves in the boundary layer near the lower channel boundary.

  • Keywords

  • AMS Subject Headings

  • Copyright

COPYRIGHT: © Global Science Press

  • Email address
  • BibTex
  • RIS
  • TXT
@Article{AAMM-7-207, author = {Xiao-Dong and Niu and and 19865 and and Xiao-Dong Niu and Ping and Hu and and 19866 and and Ping Hu and Xing-Wei and Zhang and and 19867 and and Xing-Wei Zhang and Hui and Meng and and 19868 and and Hui Meng and Hiroshi and Yamaguchi and and 19869 and and Hiroshi Yamaguchi and Yuhiro and Iwamoto and and 19870 and and Yuhiro Iwamoto}, title = {Numerical Investigation of "Frog-Leap" Mechanisms of Three Particles Aligned Moving in an Inclined Channel Flow}, journal = {Advances in Applied Mathematics and Mechanics}, year = {2018}, volume = {7}, number = {2}, pages = {207--228}, abstract = {

Intrigued by our recent experimental work (H. Yamaguchi and X. D. Niu, J. Fluids Eng., 133 (2011), 041302), the present study numerically investigate the flow-structure interactions (FSI) of three rigid circular particles aligned moving in an inclined channel flow at intermediate Reynolds numbers by using a momentum-exchanged immersed boundary-lattice Boltzmann method. A "frog-leap" phenomenon observed in the experiment is successfully captured by the present simulation and flow characteristics and underlying FSI mechanisms of it are explored by examining the effects of the channel inclined angles and Reynolds numbers. It is found that the asymmetric difference of the vorticity distributions on the particle surface is the main cause of the "frog-leap" when particle moves in the boundary layer near the lower channel boundary.

}, issn = {2075-1354}, doi = {https://doi.org/10.4208/aamm.2014.m563}, url = {http://global-sci.org/intro/article_detail/aamm/12045.html} }
TY - JOUR T1 - Numerical Investigation of "Frog-Leap" Mechanisms of Three Particles Aligned Moving in an Inclined Channel Flow AU - Niu , Xiao-Dong AU - Hu , Ping AU - Zhang , Xing-Wei AU - Meng , Hui AU - Yamaguchi , Hiroshi AU - Iwamoto , Yuhiro JO - Advances in Applied Mathematics and Mechanics VL - 2 SP - 207 EP - 228 PY - 2018 DA - 2018/05 SN - 7 DO - http://doi.org/10.4208/aamm.2014.m563 UR - https://global-sci.org/intro/article_detail/aamm/12045.html KW - AB -

Intrigued by our recent experimental work (H. Yamaguchi and X. D. Niu, J. Fluids Eng., 133 (2011), 041302), the present study numerically investigate the flow-structure interactions (FSI) of three rigid circular particles aligned moving in an inclined channel flow at intermediate Reynolds numbers by using a momentum-exchanged immersed boundary-lattice Boltzmann method. A "frog-leap" phenomenon observed in the experiment is successfully captured by the present simulation and flow characteristics and underlying FSI mechanisms of it are explored by examining the effects of the channel inclined angles and Reynolds numbers. It is found that the asymmetric difference of the vorticity distributions on the particle surface is the main cause of the "frog-leap" when particle moves in the boundary layer near the lower channel boundary.

Xiao-Dong Niu, Ping Hu, Xing-Wei Zhang, Hui Meng, Hiroshi Yamaguchi & Yuhiro Iwamoto. (1970). Numerical Investigation of "Frog-Leap" Mechanisms of Three Particles Aligned Moving in an Inclined Channel Flow. Advances in Applied Mathematics and Mechanics. 7 (2). 207-228. doi:10.4208/aamm.2014.m563
Copy to clipboard
The citation has been copied to your clipboard