Flow from a Disturbed Area. 



439 



This is in agreement with experiments which show that 

 the resistance depends on the character of the flow behind 

 the plate. 



Fig. 1. 



"T>0 



D 



(i.) Motion along the hounding stream-line ^fr= + 0. (Fig. 1.) 



Start with those determinations which, at some point A 

 on AB, give 



. c(w-d) 



I dz_ \ __ fr-f jv — it? (p+i V -"Ir) 8 

 \ dw) A ~~ Vl^w 



(2) 



