Fig. 27

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