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振荡圆柱尾流内旋涡脱落的有序和混沌现象 被引量:1

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摘要 研究了二维振荡圆柱后尾流内旋涡脱落的有序和混沌现象,实验Reynolds数的范围是Re=45-200。实验发现,当Re<180时,由于涡脱落的自然频率和圆柱强迫振荡频率之间的相互干涉,在通向混沌的途径上会形成“混沌窗口”。还揭示了在开放流体动力学系统内(尾流)的同步锁频现象及其与混沌现象之间的某些联系和规律。
出处 《中国科学(A辑)》 CSCD 1994年第10期1065-1075,共11页 Science in China(Series A)
基金 国家自然科学基金 攀登计划资助项目
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参考文献1

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同被引文献15

  • 1武作兵,凌国灿.圆柱尾迹涡的三维演化及结构特征[J].力学学报,1993,25(3):264-275. 被引量:5
  • 2武作兵,凌国灿.Kàrmàn涡街流场的定性分析研究[J].空气动力学学报,1994,12(3):355-362. 被引量:2
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