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Table C-1 aJ <br />150 FLOW MEASUREMENT =~ i <br />Discharge from Triangular Notch Weirs <br />with End Contractions <br /> <br />Head <br />lH) Flow is Callow <br />per 8tia. <br />Head <br />(H) Flow is Galloaa <br />Per 6fia. <br />Head <br />(H) Pbw is Gallons <br />Pv 3aia. <br />io is is <br />]ache 90' 60' loches 90' 60' lochea 90' 60' <br /> Notch Notch Notch Notch Notch Notch <br />1 7.19 1.77 6fj ib0 ISO 1S 19U 1101 <br />1 7.61 7.71 7 781 16/ IS15 7073 1197 <br />I ~ 6.06 7.19 1K 310 179 16 YH8 1197 <br />1 8.89 8.13 714 318 19S 1615 7{18 1101 <br />7 17.1 7.18 T)j 387 717 17 7611 1809 <br />71f 18.7 9.67 8 397 779 1711 7810 1673 <br />7 71.7 17.8 8~( 179 718 l8 3018 1711 <br />7S( 77.8 16.9 815 167 187 1811 3779 18N <br />3 31.7 19.7 efj 198 787 19 3167 1997 <br />31j 11.8 71.1 9 833 308 19)5 3681 7177 <br />715 60.3 79.0 9y~ 871 330 70 3971 1766 <br />3yj 89.7 71.b 915 610 187 7014 117{ 7110 <br />1 70.7 10.8 91t 651 376 71 1137 7bbo <br />ISf 81 7 17.7 10 691 /01 1I SS /707 7718 <br />{}5 91.7 H./ 1015 781 /S7 Z? {980 7678 <br />/yj !Ol 67.7 ll 880 608 1715 8768 7011 <br />8 177 7D.8 II15 991 869 13 1868 8717 <br />6 179 80.0 17 1091 677 151 6871 8791 <br />6 !b6 89.9 155 1111 700 11 6190 1671 <br />8 171 100 17 1737 777 1116 6818 8787 <br />6 193 i17 1315 1{69 8/8 75 6865 S9b8 <br />6 71/ 17/ l{ 1609 979 <br />6 736 136 11]S 17b8 101{ I <br />Based ow loemula: <br />Q~IC) (//1S1 (41 (H) 7LH <br />io which 4 ~ Oow of watt in cu. ft Per see. <br />L ~ width of notch is ft. at H duaoce above apes. <br />H ~ head of water above apes o1 notch is It. <br />C ~ oonannt raryiai with oooditioas, .S7 hdsl used for [his table. <br />• ~ ahwld be sot !na thaa K L. <br />Por 90' notch the lormala becomes ~. 5 <br />Q-7.~Te1H~n Q ?.'I381 H <br />Ptr 60' aoleh the lormola betomn d, S <br />-Courtesy ingersotl-Band Co. s <br />