Phase Portraits and Flow Regimes in a Circular Couette System with Counter-Rotating Cylinders

Chin. Phys. Lett.

1991, Vol. 8

Issue (1): 9-12 DOI:

Original Articles

Phase Portraits and Flow Regimes in a Circular Couette System with Counter-Rotating Cylinders

LIU Shusheng^*;SHA Ernan;YAO Lan;WANG Mingtan

Department of Physics, Tianjin University, Tianjin 300072 ^*Institute of Theoretical Physics, Academia Sinica, Beijing 100080

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LIU Shusheng, SHA Ernan, YAO Lan et al 1991 Chin. Phys. Lett. 8 9-12

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Abstract Experiments have been conducted on the circular Couette system, established recently in our laboratory. By using an optical-electronic modulation feedback Laser Doppler Velocimetry technique, the velocity time series data with higher signal-noise ratio, power spectra, phase ort traits and Poincare sections were obtained. Two scenarios to chaos were observed. One is the Ruelle-Takens scenario, while the other (when both cylinders of the Couette system are counter-rotating) is quite different from it. A tremendous variety of flow regimes and a new state were observed. A tentative explanation is made for the new state.

Keywords: 47.20.Tg 47.20.Ky 47.30.+s

Published: 01 January 1991

PACS:	47.20.Tg
	47.20.Ky	(Nonlinearity, bifurcation, and symmetry breaking)
	47.30.+s

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y1991/V8/I1/09

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	LIU Shusheng
	SHA Ernan
	YAO Lan
	WANG Mingtan

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