32th Congress of the International Council of the Aeronautical Sciences

03.3 - Basic Fluid Dynamics and Flow Control

SINGULARITIES IN THE NEAR-WALL REGION OF 3D BOUNDARY LAYER AND THE FLOW STRUCTURE IN ITS VICINITY

V.I. Shalaev, Moscow Institute of Physics and Technology, Russia

Singular solutions of unsteady or 3D boundary layer equations are slightly studied due to difficulties of analytical investigations of complex nonlinear equations and the uncertainty of numerical results treatments. This task is of interest as for the mathematical physics and numerical modelling of aerodynamic applications at high flight velocities. Its study is necessary to understand the phenomenon of the 3D flow. In the present report new results for a singularity formation in the near-wall 3DBL region in the vicinity of the runoff plane are presented and the asymptotic flow structure is analysed.


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