Titlebook: Control of Flow Instabilities and Unsteady Flows; G. E. A. Meier,G. H. Schnerr Book 1996 Springer-Verlag Wien 1996 flow.fluid mechanics.me

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0254-1971 ory and applied control methods. Understanding and handling of control methods of nonlinear systems, typical of Fluid Mechanics, is the key to reduce losses and to improve the efficiency and safety of technical processes.978-3-211-82807-6978-3-7091-2688-2Series ISSN 0254-1971 Series E-ISSN 2309-3706

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https://doi.org/10.1007/978-3-658-40274-7and illustrated by experimental results obtained in wind tunnel or in free flight conditions. Wave cancellation techniques are also presented. An important part of the paper is devoted to the use of the linear stability theory as a practical tool for transition prediction.

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偶然

Optimal Control and Other Complex Systems Paradigms in the Context of Turbulent Flows,mplex systems. In these lectures, we present new principles and methodologies of complex systems research, that may help to understand and control the dynamics of turbulent flows. The dynamics of a high dimensional complex system can in many cases be estimated from simple models such as coupled maps

fatty-streak

Control of Laminar-Turbulent Transition for Skin Friction Drag Reduction,tricted to low speed and transonic problems. The stabilizing or destabilizing effects of pressure gradient, heating/cooling and suction are explained and illustrated by experimental results obtained in wind tunnel or in free flight conditions. Wave cancellation techniques are also presented. An impo

opinionated

慎重

Active Control of Boundary Layer and Separation,n stability or excitation of boundary layers and on separation in flows. These additional influences are active influences because they imply an unsteady or at least adaptive change of boundary or flow conditions with the help of external energy..Examples given in the lectures are the influence of p

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Passive Control of Shock/Boundary Layer Interaction,g material about the interaction field structure and its behaviour under the influence of key parameters. Besides, various theoretical approaches are presented and explained, the historical as well as the modern ones. A comparison of the theoretical results with corresponding experiments illustrates

graphy

Passive Ventilation of Shocks in Steady and Unsteady Internal Flows,rom blade vibrations or aerodynamic disturbances at the in- or outflow boundaries may cause structural failure of the blading and, possibly, extensive damage of the engine. In the transonic flow regime waves propagate in the flow field and displace shock waves, therefore the time dependent shock mov

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Instabilities of Compressible Flows with Internal Heat Addition,lets prevail in many engineering problems in fluid mechanics and industry. Phase transition of rapidly expanding vapor or vapor/carrier gas mixtures is usually not observed at thermodynamic equilibrium. Because heat is added to the flow by condensation of a component of the fluid itself, flow and he