448 Lieut.-Ool. A. R. Richardson on Stream-line 

 Several cases arise : 

 Case (a). b>d>f>l. tJt = — 0. 



i<w<r 2 . 



_dz_ 



dw 



b-y/r- ~ cS/(d ~ ^»K/W«) 



w 



i .i -e 



Via — 1 



f<w<d\ 



d?<w<b' 



dz _ 



dw ^/ w _ l 



7 /- ioV(d~ Vw)( V«,-/) 



b — vw i y-^ — 



7 7 / _ . c^( Vw-d)( Vw- /") 



rt~ . — \ / ?£/ 



7 — == — Z — , -6 6-\w 



rflC y/w — 1 



The after-body will be shaped as in fig. 3. 



Fiff. 3. 



(14) 



Case (6). 6>1><7>/. ifr= -0. 

 < w < P. 



dz b — \/xo - 

 dw y/l — w 



b - Jv> 



f 2 < ic<d\ 



d 2 <w<l. 



d^ 



dw 



/— -ics/(d-J£)(Vto-f) 



o — x/w 



e 



6-Vi 



dz _ b—\/w 



dw ~ y/l-io 



b—'Jw 



(15) 



