Compute uniform-flow velocity from the Chezy coefficient C, hydraulic radius R and channel bottom slope S using v = C·√(R·S), for hydraulic checking of drains, rivers and irrigation canals.
输入谢才系数 C、水力半径 R、底坡 S,求流速。
| Item | Formula / Note | Source / Standard |
|---|---|---|
| Chézy formula | v = C·√(R·S) | Antoine Chézy, 1775 |
| Hydraulic radius | R = A/P | Chow, Open-Channel Hydraulics |