FIELD: hydrodynamics. SUBSTANCE: method comprises affecting the boundary layer at the controlled portion of a flow by means of a deturbulizer arranged over its periphery. The deturbulizer affects the viscose sublayer to form local turbulent structures which displace the laminar layers from the periphery to the axis of the flow. The velocity is measured in the laminar region of the boundary layer immediately upstream of the controllable portion. EFFECT: simplified method. 4 cl, 4 dwg
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