B • TURBULENT FLOW 



2 3 



X 

 ,t 2 



•tJift. 



• Me = Schultz-Grunow 



O 2.0 Coles 



+ 2.6 Coles 



A 3.7 Coles 



a 4.5 Coles 



+ 



_+. 



D d^ 



^l 



••M 



o 



A 



n 



• fit 



aA 



+ + 



106 



8 107 



Ree 



Fig. B,14c. Variation of skin friction with Reynolds number, c/ = local skin friction 

 coefficient, Re^ = Reynolds number based on the free stream conditions. The data 

 are drawn from [66,67\. 



1.5, 



1 -r—i 



O Brinich and Diaconis 



© Coles 



© Hakkinen 



• Hill 



n Korgeki 



B Lobb, Winkler, and Persh 



4.0 



o 

 X2.0 



U 



1.0 

 0.8 



0.6 

 0.4 



Fig. B,14d. Variation of skin friction with Reynolds number, c/ = local skin friction 

 coefficient, Ree = Reynolds number based on the momentum thickness. The experi- 

 mental data are drawn from [18,39,63,64,66] for the free stream Mach number 

 Me = 1.5 - 9.0. 



< 118) 



