DIVIDER WALL 



^2.2 ^1.1 ♦'l.O 

 ^*ja -5,6 -S.! -7.6 ^5.6 •-4.0 -6.2 -7.8 



''3.9 'S.S ■•-2.S ^ —3.5 -5J -3.9 O. 



•-I.7 -1.6 -1.0 M —2.5-2.7-1.2 ^ 



96 57 



CENTER LINE OF ORIFICES 



98 



PLUNGING FLOW 

 .95 FT. HEAD ON WEIRS 



TOP OF WEIRS 



t\v^v\\\nmmtmttm« 



•> .6 '22 



1.0 1.0 2-1 

 ■^.9 "■■*,.o "^lA 



MID DEPTH 



^ 



'.7 '.6 '.6 



•■-■ ••. n 



B .8 .8 



'.'9 *"l.3 *-|.5 



:-- *-- ■<-- 



1.6 1.6 1.2 



Z Tm, 



STREAMING FLOW 

 1.2 FT. HEAD ON WEIRS 



1.6 1.7 i.4 



34 40 5.3 



♦-*-♦- 



3.2 4.0 5.4 



TOP OF WEIRS 



inmmii\\^Hk^^i^^ftn 



1^ 



.6 .5 .9 



.9 .8 .7 



MID DEPTH 



.^^^^^^^^xvNvxxNNxNv^xxx^:^v 



1.0 .9 .9 



-•9 

 1.2 



CENTER LINE OF ORIFICES 



Figure 6. — Velocities (f.p.s.) and direction of 

 flow in pools 57 and 58 during normal opera- 

 tion (test condition 1). 



Figure 7. — Velocities (f.p.s.) and direction of 

 flow in pool 57 during plunging and streaming 

 flows with orifices closed. Broken lines indi- 

 cate unstable flow directions. 



«tmmtitttm ^ c 



% 1.7 -2.0 

 3.0 2.4 1.7 



1.26 .8 



! %^1 \^ \^ X. 

 ■■'"" 2.4 23 2.5 



1.8 2J 2.4 



2.5 



V ^ ^ 



2.2 za zz 



2.0 I.I 



i^^ 



1^ 



1.0 



TOP OF WEIRS 



^''2.5 

 '/. 1.3 



1.7 1.4 



5 1.6 1.5 



», If 



'A 1.3 1.0 .7 



5 2.0 2jO 1.4 



•1.1 ^8 

 1.0 .8 



». i 



1.0 1.2 



.8 



r 

 1.5 



1.5 ,9 



MID DEPTH 



T.6 S., -i.o i 



^ ^ -^ %, 



3.3 3.0 1.0 ^ 



"3.8 *50 •■6.3 



S6 



•^1^ ■>. 





1.2 '.8 



*'.9 jr.9 jr-.g 



-2J '^"•Z -^.l -., 



'-3.6 '3.7 *%i 



-2i '■3.1 '1.3 



1.2 1.4 

 '1.0 ^1.2 



N.I 

 '.7 



57 

 CENTER LINE OF ORIFICES 



56 



Figure 8. — Velocities (f.p.s.) and direction of 

 flow with all of the discharge confined to the 

 orifices. 



