A long-throated flume is installed in a trapezoidal channel using design C from Table 14.5. Compute the discharge for a head of 0.84 ft.

Design A Design B Design C Rectangular channels: Q = bK1(H + K2)" be 0.500 ft 1.000 ft 1.500 ft 0.750 ft 1.000 ft 2.250 ft 0.125 ft 0.250 ft 0.500 ft P1 P. P. 3.996 3.696 K1 3.375 Kz 0.000 0.004 0.011 1.625 1.612 1.617 n 0.057 ft Hmin 0.082 ft Hmin 0.148 ft 0.462 ft Hma 0.701 ft H 1.500 ft 0.020 ft/s 0.070 ft/s 0.255 /s Qmn Qran Qmn 0.575 ft/s 9.900 ft's Qma 2.100 ft/s Qmx Qmar Trapezoidal channels: Q = K1(H + K2" b 1.000 ft b. 1.000 ft 2.000 ft 2.000 ft 4.000 ft 5.000 ft b- b- b- 0.750 ft 1.000 ft 1.000 ft 0.500 ft 1.500 ft 1.500 ft P1 P1 P1 K1 9.290 14.510 K1 16.180 Kz 0.030 0.053 K2 0.035 1.878 1.855 1.784 Hmn Han 0.400 ft 0.579 ft Hmin 0.580 ft 0.893 ft Hman 0.808 ft Hm 1.456 ft 1.900 ft/s Qmn 6.200 fts 6.800 fts Qmim Qmn 8.000 ft/s 11.000 ft's Qmar 33.000 f/s Qma Q DK,(H/D + K2" Circular channels: Q = 2.000 ft 1.000 ft 3.000 ft b- 0.866 ft 1.834 ft b: 2.940 ft 1.100 ft 0.600 ft 1.350 ft 0.750 ft 1.800 ft 3.600 ft 1.125 ft 2.100 ft 2.700 ft 0.250 ft 0.600 ft 1.200 ft P1 P. K1 3.970 3.780 K1 3.507 0.000 Kz 0.004 0.000 1.689 1.625 1.573 D. Hmin 0.069 ft 0.140 ft 0.180 ft 0.599 ft Hman 1.102 ft Hmax 1.343 ft 0.048 ft/s 0.283 fts 0.655 f/s Qmn Qan Qmn 8.112 ft's 1.689 ft/s 15.448 fs Qma Qmar