| Effects of Particle Size on Dilute Particle Dispersion in a Karman Vortex Street Flow |
| |
| 作者姓名： | 武作兵 邢启江 等 |
| |
| 作者单位： | [1]StateKeyLaboratoryofNonlinearMechanics,InstituteofMechanics,ChineseAcademyofSciences,Beijing100080 [2]DepartmentofPhysics,PekingUniversity,Beijing100871 |
| |
| 摘 要： | It is shown that in a Karman vortex street flow,particle size influences the dilute particle dispersion.Together with an increase of the particle size,there is an emergence of a period-doubling bifurcation to a chaotic orbit,as well as a decrease of the corresponding basins of attraction.A crisis leads the attractor to escape from the central region of flow.In the motion of dilute particles,a drag term and gravity term dominate and result in a bifurcation phenomenon.
|
| 关 键 词： | 非均匀涡旋流体 粒子尺寸 稀释粒子弥散 |
| 本文献已被 维普 等数据库收录！ |
|
