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S. L. Arsenjev 

Physical-Technical Group

Dobroljubova Street, 2, 29, Pavlograd, Dnjepropetrovsk region, 51400 Ukraine

A fluid motion through the flow element is presented in the kind of an auto-oscillating system with the distributed parameters: mass, elasticity, viscosity. The system contains a self-excited oscillator and possesses a self-regulation on base of the intrinsic voluntary negative servo output feedback. The interaction dynamics of the submerged jet, out-flowing out of a flow element, with the homogeneous for it surrounding medium as well as dynamics of evolution of the spiral-vortex structures, appearing at the relative motion of fluids, are described for the first time. The conceptual model of a flow in the kind of the completed system of the cause and effect relationship, that presents the fluid motion process as a result in interaction of the motive power, applied from without, and the internal wave mechanism, self- regulating the flow structure and its intensity, is created.

PACS: 05.40.Ca; 05.65.+b; 07.05.Tp; 43.20.-f; 43.25.-x; 43.28.Py; 43.28.Ra; 43.50.Ed; 43.50.Nm;47.10.+g; 47.27.Wg; 47.32.Cc; 47.32.Ff; 47.35.+I; 47.40.-x; 47.40.Dc; 47.40.Hg; 47.60.+I; 47.85.-g; 51.20.+d

Modern fluid motion physics: to the fluid motion dynamics

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