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Turbulent Spot Characteristics in Boundary Layers Subjected to Streamwise Pressure Gradient
Volume 1: Turbomachinery
Ae ABSTRACT The development of linear perturbations within laminar boundary layers subjected to a full range of adverse and favourable pressure gradients has been predicted numerically. Comparison of the predictions with published flow visualisation results enabled identification of the perturbation regions associated with the turbulent spot, trailing vortex streaks and oblique waves along the spot flanks. The effect of streamwise pressure gradient on spot characteristics (spot leading anddoi:10.1115/98-gt-124 fatcat:lnoyyxbrbbaxjn7kxabknlwpv4