Effect of Turbulence Intensity on Cross-Injection Film Cooling at a Stepped or Smooth Endwall of a Gas Turbine Vane Passage

Figure 16

Effectiveness distributions on stepped endwall at low turbulence intensity (Re=124000, 𝑀=1, and T.I.=1.8%). (a) 𝑆/𝐶=4%. (b) 𝑆/𝐶=−4%.

(a)

(b)