Figure 12 (Continued) 



-0.15 



0.025 



— R„ = 4.63X 10™ 



I I I I I I I I I I I I I '1 



0.2 



0.4 



0.6 



0.8 



1.0 



x/c 



Figure 12c - r/R =0.9 



79 



