Dusting Hole Film Cooling Heat Transfer on a Transonic Turbine Blade Tip

Figure 4

Central blade isentropic Mach number distributions for (a) suction surface at 50 percent span, (b) pressure surface at 50 percent span, (c) suction surface at 90 percent span, and (d) pressure surface at 90 percent span.

(a)

(b)

(c)

(d)