Hydraulic Radius of a Rectangular Channel Formula |
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\( r_h \;=\; \dfrac{ w \cdot h }{ w + 2 \cdot h }\) (Hydraulic Radius of a Rectangular Channel) \( w \;=\; \dfrac{ - 2 \cdot r_h \cdot h }{ r_h - h }\) \( h \;=\; \dfrac{ - r_h \cdot w }{ 2 \cdot r_h - w }\) |
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| Symbol | English | Metric |
| \( r_h \) = hydraulic radius | \( ft \) | \( m \) |
| \( w \) = width of fluid | \( ft \) | \( m \) |
| \( h \) = depth of fluid | \( ft \) | \( m \) |
