Statements (26)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:empirical_formula
|
| gptkbp:allows |
Manning's roughness coefficient
|
| gptkbp:appliesTo |
steady flow
uniform flow |
| gptkbp:dimensions |
gptkb:time_zone
length |
| gptkbp:expressedIn |
mean velocity of flow in open channels
|
| gptkbp:form |
V = (1/n) R^{2/3} S^{1/2}
|
| gptkbp:namedAfter |
gptkb:Robert_Manning
|
| gptkbp:publicationYear |
1889
|
| gptkbp:publishedIn |
Transactions of the Institution of Civil Engineers of Ireland
|
| gptkbp:R |
hydraulic radius (m)
|
| gptkbp:S |
slope of the energy grade line
|
| gptkbp:usedFor |
hydraulic engineering
open channel flow |
| gptkbp:usedIn |
civil engineering
environmental engineering water resources engineering |
| gptkbp:variant |
S
R V n |
| gptkbp:via |
mean velocity (m/s)
|
| gptkbp:bfsParent |
gptkb:Robert_Manning
|
| gptkbp:bfsLayer |
7
|
| https://www.w3.org/2000/01/rdf-schema#label |
Manning formula
|