Hydrology & Open-Channel Calc
Critical depth where Froude number is 1 (Q^2/g = A^3/T) for rectangular, trapezoidal, triangular or circular channels.
- Category
- Other services
- Starting price
- $0.02
- Paid calls · 30 days
- 8
- Unique payers · 30 days
- 8
Paid endpoints
8 endpoints, sorted by usage. Prices are per request.
- GET/critical-depth
Critical depth where Froude number is 1 (Q^2/g = A^3/T) for rectangular, trapezoidal, triangular or circular channels.
$0.02Base1calls / 30d - GET/froude-number
Froude number V / sqrt(g A/T) and flow regime (subcritical, critical, supercritical) for an open-channel section.
$0.02Base1calls / 30d - GET/manning-flow
Manning flow, velocity and hydraulic radius for rectangular, trapezoidal, triangular or part-full circular channels, SI or US.
$0.02Base1calls / 30d - GET/normal-depth
Normal (uniform-flow) depth for a given discharge in a rectangular, trapezoidal, triangular or circular channel by bisection.
$0.03Base1calls / 30d - GET/orifice-flow
Orifice discharge Q = Cd A sqrt(2 g h) for a round or given-area opening, with typical Cd by edge type, SI or US.
$0.02Base1calls / 30d - GET/rational-method
Peak runoff Q = C i A by the rational method, from a runoff coefficient, surface type or weighted sub-areas, SI or US.
$0.02Base1calls / 30d - GET/time-of-concentration
Time of concentration by the Kirpich formula and the NRCS lag equation, with the limits of each stated.
$0.02Base1calls / 30d - GET/weir-flow
Discharge over a sharp-crested rectangular (Francis), V-notch or Cipolletti weir from head, SI or US units.
$0.02Base1calls / 30d