SECONDARY INSTABILITY IN PLANE CHANNEL FLOW WITH SPATIALLY PERIODIC PERTURBATIONS

被引：7

作者：

SCHATZ, MF ^{[1
]}

SWINNEY, HL ^{[1
]}

机构：

[1] UNIV TEXAS,DEPT PHYS,AUSTIN,TX 78712

来源：

PHYSICAL REVIEW LETTERS | 1992年 / 69卷 / 03期

关键词：

D O I：

10.1103/PhysRevLett.69.434

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Laboratory experiments on plane channel flow with a streamwise-periodic array of cylinders reveal a bifurcation from two-dimensional traveling waves to three-dimensional spanwise standing waves. The standing waves select a wave number that is independent of the wave number imposed initially by time-periodic disturbances. The stable tertiary flow stands in contrast with most open flows where instability develops directly to turbulence.

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收藏

页码：434 / 437

页数：4

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