Control of Fluid Flow by Petros Koumoutsakos, Igor Mezic

By Petros Koumoutsakos, Igor Mezic

This rigorously edited monograph offers the state-of-the-art of thought and purposes in fluid stream keep an eye on. It collects contributions via major specialists within the box of fluid move regulate fascinating for engineers, physicists, or mathematicians on top of things and fluid dynamics. "Control of Fluid move" covers a variety of contemporary subject matters together with vortex dependent keep watch over algorithms, incompressible turbulent boundary layers, aerodynamic move regulate, regulate of combining and reactive circulation procedures or nonlinear modeling and keep an eye on of combustion dynamics.

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70] part. Both cf and χw are practically zero ("dead air region") and reach higher values only towards the rear of the wedge-like body owing to the massive open separation. 85) over the greater part of the wing (Fig. 37). 0 x/c Fig. 37. 5 × 105 , α = 27◦ , ΔH ∗ = 1 mm, lines are for visual aid only). From Zhou et al. 77 as shown by the distributions of the skin friction and reverse flow parameter (Fig. 36). This picture reveals a similar behavior of the flow to what was found for α = 18◦ . χw increased to about 90 % and cf reached values of about −3×10−3 on the upstream half of the suction side indicating forward flow towards the rear end of the wedge-like body.

Viswanath), Fluid Mechanics and its Applications, vol. 53, pp. 249–254. 98, Göttingen. [63] Urzynicok, F. -H. 2002 Flow-induced acoustic resonators for separation control. AIAA Paper 2002–2819 . , Bärwolff, G. & Janke, G. 2001 The manipulated transitional backward-facing step flow: an experimental and direct numerical simulation investigation. Eur. J. Mech. B/Fluids 20, 25–46. -H. Fernholz and F. Urzynicok [65] Werlé, H. 1960 Essais de soufflage au tunnel hydrodynamique a visualisation. Note Technique 61.

19). This is an indicator of the “buffeting behavior” of the flow. The bubble location for LFST and MFST is well defined in the mean, however. Since the distributions of cp are almost identical for MFST and HFST until χw departs from zero, it must be the effect of the FST on the mean velocity profiles and the turbulence structure which changes the cf and χw distributions when compared to those of case LFST. Although the boundary layer of case MFST still separates, its mean reverse-flow length is reduced by about half to ΔxS = 108 mm and χw to a maximum value of 61 % compared with 82 % for LFST.

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