Hazen-Williams Hydraulic Radius Equation
This hydraulic radius formula is used in Hazen-Williams equations and the coefficient formula.
Hazen-Williams Hydraulic Radius Equation formula |
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| \(\large{ r_h = \left( \frac {v}{ 1.318\;C\; m^{0.54} } \right)^{\frac {1}{0.63} } }\) | ||
| Symbol | English | Metric |
| \(\large{ r_h }\) = hydraulic radius | \(\large{in}\) | \(\large{mm}\) |
| \(\large{ C }\) = Hazen-Williams coefficient | \(\large{dimensionless}\) | |
| \(\large{ m }\) = hydraulic grade line slope | \(\large{ft}\) | \(\large{m}\) |
| \(\large{ v }\) = mean flow velocity | \(\large{\frac{ft}{sec}}\) | \(\large{\frac{m}{s}}\) |
Tags: Hydraulic Equations Open Channel Equations Hazen-Williams Equations