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Discharge Tables

Small 60º Trapezoidal Flume
Minimum Head (ft) 0.09 Minimum Head (m) 0.0274
Miniumum Flow Rate (cfs) 0.0031 Minimum Flow Rate (l/s) 0.0880
Maximum Head (ft) 0.27 Maximum Head (m) 0.0823
Maximum Flow Rate (cfs) 0.0529 Maximum Flow Rate (l/s) 1.497
Equation=cfs, ft 1.55*H2.58
Equation=l/s, m 941.2*H2.58
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Large 60º Trapezoidal Flume
Minimum Head (ft) 0.15 Minimum Head (m) 0.0457
Miniumum Flow Rate (cfs) 0.0116 Minimum Flow Rate (l/s) 0.3287
Maximum Head (ft) 0.50 Maximum Head (m) 0.1524
Maximum Flow Rate (cfs) 0.2592 Maximum Flow Rate (l/s) 7.341
Equation=cfs, ft 1.55*H2.58
Equation=l/s, m 941.2*H2.58
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Extra Large 60º Trapezoidal Flume
Minimum Head (ft) 0.06 Minimum Head (m) 0.0183
Miniumum Flow Rate (cfs) 0.0009 Minimum Flow Rate (l/s) 0.0255
Maximum Head (ft) 1.00 Maximum Head (m) 0.3048
Maximum Flow Rate (cfs) 1.548 Maximum Flow Rate (l/s) 43.84
Equation=cfs, ft 1.55*H2.63
Equation=l/s, m 1001.3*H2.63
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8-inch 60º Trapezoidal Flume
Minimum Head (ft) 0.21 Minimum Head (m) 0.0640
Miniumum Flow Rate (cfs) 0.2433 Minimum Flow Rate (l/s) 6.890
Maximum Head (ft) 2.18 Maximum Head (m) 0.6614
Maximum Flow Rate (cfs) 17.44 Maximum Flow Rate (l/s) 493.9
Equation=cfs, ft 2.22*H1.5 + 1.467*H2.5
Equation=l/s, m 373.6*H1.5 + 809.9*H2.5
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12-inch 45º SRCRC Trapezoidal Flume
Minimum Head (ft) 0.20 Minimum Head (m) 0.0610
Miniumum Flow Rate (cfs) 0.1134 Minimum Flow Rate (l/s) 3.212
Maximum Head (ft) 1.29 Maximum Head (m) 0.3932
Maximum Flow Rate (cfs) 6.247 Maximum Flow Rate (l/s) 176.9
Equation=cfs, ft 0.05 + 0.063*H1.5 + 3.23*H2.5
Equation=l/s, m 1.416 + 106*H1.5 + 1783*H2.5
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24-inch 38º SRCRC Trapezoidal Flume
Minimum Head (ft) 0.30 Minimum Head (m) 0.0914
Miniumum Flow Rate (cfs) 0.6749 Minimum Flow Rate (l/s) 19.11
Maximum Head (ft) 2.59 Maximum Head (m) 0.7894
Maximum Flow Rate (cfs) 53.25 Maximum Flow Rate (l/s) 1,508
Equation=cfs, ft 0.19 + 1.67*H1.5 + 4.27*H2.5
Equation=l/s, m 5.38 + 281*H1.5 + 2357*H2.5
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2-inch 60º WSC
Minimum Head (ft) 0.10 Minimum Head (m) 0.0305
Miniumum Flow Rate (cfs) 0.0181 Minimum Flow Rate (l/s) 0.5140
Maximum Head (ft) 1.12 Maximum Head (m) 0.3414
Maximum Flow Rate (cfs) 2.508 Maximum Flow Rate (l/s) 71.02
Equation=cfs, ft 1.99*H2.04
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2-inch 45º WSC
Minimum Head (ft) 0.11 Minimum Head (m) 0.0335
Miniumum Flow Rate (cfs) 0.0270 Minimum Flow Rate (l/s) 0.7647
Maximum Head (ft) 0.88 Maximum Head (m) 0.2682
Maximum Flow Rate (cfs) 2.513 Maximum Flow Rate (l/s) 71.15
Equation=cfs, ft 3.32*H2.18
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2-inch 30º WSC
Minimum Head (ft) 0.10 Minimum Head (m) 0.0305
Miniumum Flow Rate (cfs) 0.0311 Minimum Flow Rate (l/s) 0.8799
Maximum Head (ft) 0.83 Maximum Head (m) 0.2530
Maximum Flow Rate (cfs) 3.871 Maximum Flow Rate (l/s) 109.6
Equation=cfs, ft 5.92*H2.28
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2-inch 30º CSU
Minimum Head (ft) 0.10 Minimum Head (m) 0.0305
Miniumum Flow Rate (cfs) 0.0264 Minimum Flow Rate (l/s) 0.7470
Maximum Head (ft) 0.80 Maximum Head (m) 0.2438
Maximum Flow Rate (cfs) 2.899 Maximum Flow Rate (l/s) 82.10
Equation=cfs, ft 4.80*H2.26
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