Onset of secondary flow in the modulated Taylor-Couette system
Journal Article
·
· Physical Review (Section) A: General Physics; (USA)
- Department of Physics and Center for Nonlinear Dynamics, University of Texas at Austin, Austin, Texas 78712 (US)
The critical Reynolds number for the linear instability of primary flow is calculated for a Taylor-Couette system in which the rotation rate of either cylinder is modulated sinusoidally in time. The method used is based on that of Hall (J. Fluid Mech. 67, 29 (1975)) and is restricted to small amplitudes of modulation but allows for a finite gap. For the case of outer-cylinder modulation, we find that the critical Reynolds number is larger than that for the unmodulated system, while, if the inner cylinder is modulated, it is smaller.
- OSTI ID:
- 7017489
- Journal Information:
- Physical Review (Section) A: General Physics; (USA), Vol. 40:12; ISSN 0556-2791
- Country of Publication:
- United States
- Language:
- English
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