Abstract
Dimensional analysis is used to find the change in the thickness of a turbulent boundary layer that develops under conditions of a strong positive or negative pressure gradient. Comparison of the expression for the thickness with the available experimental data makes it possible to determine the universal constant in the expression. An interpolation dependence is proposed, this holding for all not too rapidly varying velocity distributions on the outer boundary of the turbulent boundary layer. The results of calculations made with this dependence are compared with numerous experimental data on the change in the thickness of turbulent boundary layers.
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