| Autor: |
I. M. Gorban, O. V. Khomenko |
| Rok vydání: |
2015 |
| Předmět: |
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| Zdroj: |
Studies in Systems, Decision and Control ISBN: 9783319190747 |
| Popis: |
Theoretical model of the nonlinear active near-wall flow control that uses a vortex trapped in the cross groove and suction of fluid is developed. The system parameters are evaluated from the equation of vortex equilibrium and the Kutta condition in the groove edges. Dynamical system analysis is used to explore the performance of the control strategy. The suction is shown to change the flow topology as compared with uncontrolled case. The equilibrium vortex satisfies now either stable or unstable focus that depends on suction parameters. The optimal characteristics of the control system, when a stable vortex is supported with minimal energy costs, are obtained in several groove configurations. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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