Abstract
Turbulence is quite insensitive to attempts to change or to control it. In this respect, it is very different from laminar or transitional flows. The high resilience of turbulence to perturbations results from the fact that turbulence is the product of strong hydrodynamical instabilities which lead to nonlinear saturation. As in the case of an electronic amplifier in its nonlinear saturation regime, we cannot expect dramatic changes of the output signal caused by small changes of the input signal. Nevertheless, there are several examples where turbulence fluctuation levels and noise radiation can be enhanced artifically. On the other hand, it is rather difficult to reduce fluctuation levels and related quantities like the turbulent shear stress.
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© 1991 Springer-Verlag Berlin, Heidelberg
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Bechert, D.W. (1991). Turbulence Control. In: Johansson, A.V., Alfredsson, P.H. (eds) Advances in Turbulence 3. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-84399-0_49
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DOI: https://doi.org/10.1007/978-3-642-84399-0_49
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