Difference between revisions of "Manning's Formula"
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Manning’s formula is the most widely used formulas for open-channel flow. | Manning’s formula is the most widely used formulas for open-channel flow. | ||
In 1889 the Irish engineer Robert Manning presented a formula, which was later modified to its present well known form; | In 1889 the Irish engineer Robert Manning presented a formula, which was later modified to its present well known form; | ||
| − | <math>V=frac | + | <math>\V=frac{1.49_n}R^2/3S^1/2<math> |
| + | |||
| + | <math>\frac{P_1}{\rho g}+\frac{V_1^2}{2g}+Z_1=\frac{P_2}{\rho g}+\frac{V_2^2}{2g}+Z_2</math> | ||
Revision as of 12:42, 18 July 2017
Manning’s formula is the most widely used formulas for open-channel flow. In 1889 the Irish engineer Robert Manning presented a formula, which was later modified to its present well known form; Failed to parse (unknown function "\V"): \V=frac{1.49_n}R^2/3S^1/2<math> <math>\frac{P_1}{\rho g}+\frac{V_1^2}{2g}+Z_1=\frac{P_2}{\rho g}+\frac{V_2^2}{2g}+Z_2
