Fig. 14From: Numerical analysis of turbulence characteristics in a flat-plate flow with riblets controlReynolds shear stress \(-\overline{u^{\prime}v^{\prime}}/u_{\infty}^{2}\) from each quadrant (The dashed line indicates the smooth flat-plate case and the red, blue and pink colored lines indicate the results in the locations of riblet valley, midpoint and tip). a First quadrant. b Second quadrant. c Third quadrant. d Fourth quadrantBack to article page