-1 



(2) 



In terms of this coordinate system the momentum- integral boundary-layer 

 equations are a special case of the equations given by Myring and repro- 



Q 



duced in the article by Reynolds and Cebeci. These equations are the 

 momentum integrals for the flow in the (}) -direct ion; 



90 



11 



30 



12 



dl, 



di. 



|c, 



_ 2 ^^ -K 



^11 u di, i 



2 9 U^ 



^ ^12 U dZr 



Q 



22 % U dl. 





(3a) 



and for the flow in the 9-direction 



9021 3022 1 



Wr ^ 'dlT " 2 ^f " ^6*^11 " ^®21 



1 3U_ 

 U 9£, 



- 



22 



[2 9U ,, " 



[u di^ e 



9U^ 

 3£, 



+K^U, 



-K,U, 



A^ 9U^ 



(3b) 



where i, and £q are arclength parameters in the cj) and 6 directions, 

 respectively; K and K„ are the geodesic curvatures of the (() and 9 



