Discharge Tables
Small 60º Trapezoidal Flume
| Minimum Head (ft) | 0.09 | Minimum Head (m) | 0.0274 |
| Minimum 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 |
| Minimum 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 |
| Minimum 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 |
| Minimum 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 |
| Minimum Flow Rate (cfs) | 0.1641 | Minimum Flow Rate (l/s) | 4.648 |
| Maximum Head (ft) | 1.29 | Maximum Head (m) | 0.3932 |
| Maximum Flow Rate (cfs) | 7.078 | Maximum Flow Rate (l/s) | 200.4 |
| Equation=cfs, ft | 0.05 + 0.63*H1.5 + 3.23*H2.5 | ||
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24-inch 38º SRCRC Trapezoidal Flume
| Minimum Head (ft) | 0.30 | Minimum Head (m) | 0.0914 |
| Minimum 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 45º WSC
| Minimum Head (ft) | 0.11 | Minimum Head (m) | 0.0335 |
| Minimum 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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