SPATIOTEMPORAL PATTERN MODULATIONS IN THE TAYLOR-DEAN SYSTEM

被引:51
作者
MUTABAZI, I
HEGSETH, JJ
ANDERECK, CD
WESFREID, JE
机构
[1] ECOLE SUPER PHYS & CHIM IND,HYDRODYNAM & MECAN PHYS LAB,10 RUE VANQUELIN,F-75231 PARIS 05,FRANCE
[2] OHIO STATE UNIV,DEPT PHYS,COLUMBUS,OH 43210
关键词
D O I
10.1103/PhysRevLett.64.1729
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Flow between two horizontal coaxial cylinders with a partially filled gap is investigated for the case when the primary instability forms a pattern of traveling inclined rolls which is simply periodic in space and time. Slightly above the onset, there is a second instability which results in a periodic modulation of the rolls with an axial wavelength of 3 rolls and a lower frequency. Both the traveling inclined rolls and the 3 roll modulation pattern exhibit long-wavelength low-frequency phase modulations and associated defects. © 1990 The American Physical Society.
引用
收藏
页码:1729 / 1732
页数:4
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