Fig. 28

(a) Streamline contour for L/D = 2, 2.5 mm rib, at 1D location and NPR = 3. (b) Streamline contour for L/D = 2, 2.5 mm rib, at 1D location and NPR = 5. (c) Streamline contour for L/D = 3, 2.5 mm rib, at 1D location and NPR = 3. (d) Streamline contour for L/D = 3, 2.5 mm rib, at 1D location and NPR = 5.