Xylem FC220 OPEN CHANNEL FLOW MONITOR - Manual (Page 22)

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XV: Appendix B: Flume and Weir Equation Parameters
EQ Type: 1 = Flow 2 = Poly
Q=A*(B+Ch)^D
Q=A+Bh+Ch^2+Dh^3
Flumes EQ Type A B C D
0.5 H Flume 1 1.600 0.000000 1 2.200
0.75 H Flume 1 1.770 0.000000 1 2.230
1.0 H Flume 1 1.950 0.000000 1 2.300
1.5 H Flume 1 2.120 0.000000 1 2.300
2.0 H Flume 1 2.370 0.000000 1 2.230
1" Parshall 1 0.338 0.000000 1 1.550
2" Parshall 1 0.676 0.000000 1 1.550
3" Parshall 1 0.992 0.000000 1 1.550
6" Parshall 1 2.060 0.000000 1 1.580
9" Parshall 1 3.070 0.000000 1 1.530
12" Parshall 1 3.950 0.000000 1 1.550
24" Parshall 1 8.000 0.000000 1 1.550
36" Parshall 1 12.000 0.000000 1 1.570
48" Parshall 1 16.000 0.000000 1 1.580
60" Parshall 1 20.000 0.000000 1 1.590
72" Parshall 1 24.000 0.000000 1 1.590
4" Palmer-Bowlus 1 1.730 0.005880 1 1.957
6" Palmer-Bowlus 1 2.071 0.005421 1 1.903
8" Palmer-Bowlus 1 2.537 0.014560 1 1.972
10" Palmer-Bowlus 1 2.843 0.016160 1 1.953
12" Palmer-Bowlus 1 3.142 0.017000 1 1.936
15" Palmer-Bowlus 1 3.574 0.016800 1 1.906
18" Palmer-Bowlus 1 3.988 0.018750 1 1.898
24" Palmer-Bowlus 1 4.574 0.040800 1 1.950
30" Palmer-Bowlus 1 5.022 0.062500 1 1.966
36" Palmer-Bowlus 1 5.462 0.080000 1 1.991
60º Trapezoidal 1 1.550 0.000000 1 2.580
0.4HS 2 -3.48332E-05 2.10389E-03 3.51517E-01 4.39885E-01
0.6HS 2 -7.52381E-05 8.29552E-03 4.01877E-01 3.79339E-01