By J. P. Bonnet (eds.)

This publication is a distinct chance to provide in one quantity info that's wanted for either experimentalists, theoreticians and computationalists for the detection, research, prediction and keep watch over of eddy buildings in turbulent shear flows. significant id ideas of Eddy constructions in Turbulent Shear Flows are offered including functions to vortex dynamics, turbulence administration and stream regulate, for experimental and numerical functions with new prediction tools: Eduction Schemes, right Orthogonal Decomposition, Stochastic Estimation, development reputation research, Wavelet remodel. Illustrations of using the various tools are given.

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K. R. (1980) "A note on spanwise structure in the twodimensional mixing layer". J. , Vol. 917, part 4, pp. 771-781. K. D. (1976) "Large scales in the developing mixing layer". J. , Vol. 76, part 1, pp. 127-144. L. " J. Fluid Mech. Vol. 64, 775-816. S. J. (1988) "KarhunenLoeve Expansion of Burgers' Model of Turbulence". Phys. Fluids Vol. 31(9),2573. M. & Roshko A. (1988)"Large structure in the far wakes of two-dimensional bluff bodies" J. , 190, 265. N. G. (1992) "An Application of Stochastic Estimation to the Jet Mixing Layer".

The results corresponding to this application, presented in figure 40 show that with only a few percent of the initial information on the flow field (17%)10, the first mode of the POD can be predicted accurately. Acknowledgments The authors thank Prof. M. Glauser and Dr. L. Ukeiley for their constructive discussions. Several common studies have been used in several parts of this course. The bibliographical assistance provided by Prof. J. Fern~ and Dr. M. Savill concerning the PRA was particularly appreciated.

60] Vandromme D. & Haminh H. " in Turbulence and coherent structures, Metais O. et Lesieur M. , Kluwer, 507-523. S. & Eckelmann E. " J. , 83, 673. [62] Willmarth W. and Lu S. " J. , vol. 76. Q. F. (1984) "Natural large-scalestructures in the axisymmetric mixing layer". J. , Vol. 325-351. , The Parabolic Press-Stanford 1982.

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