Influences of Tip Cooling Injection on Tip Clearance Control at Design and Off-Design Incidences

Figure 7

Distribution of heat transfer coefficient on the blade tip surface.

(a) 𝑖=−7.4^∘, no injection

(b) 𝑖=0^∘, no injection

(c) 𝑖=7.6^∘, no injection

(d) 𝑖=−7.4^∘, injection

(e) 𝑖=0^∘ , injection

(f) 𝑖=7.6^∘, injection