31 



4. Turbulent Boundary Layer 



a. Thin boundary layer, 8 << r 



L2 L 



il _!^wz. is computed over distance (—1 to| — 1= 0.8 from 



71 "77 \^A ^^/ 



(u_\' t'jviy^'" = (JLV IjhIY^"' 



(l+m) Co 



0/L)i 



where m = 0. 1686 

 ;■ = 3.9732 

 Cq = 0.006361 



b. Boundary layer near tail 

 (1) I —I is computed from 



r (^)'^" (0"" -- 4) 



ii^y-im^r 



\Lk \puy^ 



[l - _£ j seca 



pu->g 



h+4 



h + 2 



DO ^ OO DO 



»•"© - »)"■•&)'•' 



[79] 



[84] 



(2) A value of A = 1.4 andj— ) = 0.8 is to be used, 



iil 



