Floquet Stability Analysis of Two-Layer Flows With Periodic Fluctuation in a Vertical Pipe
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摘要: 运用线性稳定性理论,结合Floquet理论和Chebyshev配点法对管流内有周期脉动分量的粘性分层流的参数共振现象进行了研究,得到不同流动参数对流场的失稳和参数共振特性的影响.Abstract: Based on linear stability theory,parametric resonance of a liquid-gas cylindrical flow with periodic fluctuation in a vertical pipe was discussed by using Floquet theory and Chebyshev collocation method.The effects of different physical parameters on the instability of flow and the properties of parametric resonance were investigated.
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Key words:
- stability /
- Floquet theory /
- parametric resonance
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