Development of petrography in the Soviet Union

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“…The numerical integration of such universal equations, performed once for all, allows concrete prob lems to be solved using available tables of the relationship between the principal boundary-layer characteristics and the form parameters that are the arguments in the universal equations. The parametric method has al ready been applied in the following problems of laminar steady boundary layers: the three-dimensional layer in an incompressible fluid (116), the boundary layer in plane high-speed flow of uniform (117,118) and equilib rium dissociated gas (119,120), plane (121,122) and three-dimensional (123,124) boundary layers in an electrically conducting fluid in a magnetic field. Formal utilization of this method for the case of a turbulent boundary layer is also possible (115).…”