Calculate Cfs Water Flow

Flow rate in cfs.

Calculate cfs water flow. Divide the diameter by 2 to find the radius of the pipe. Find the cross sectional area of the pipe. First click on what you are solving for flow rate enter 2 in the pipe diameter box and choose feet from its menu. P 2πr 2π 0 25 1 57 ft.

Please enter input data and press calculate. Determine the perimeter of the pipe. Click the calculate button and the answer is 5 236 cubic feet per second and the answer is in 23 other different units. The basic equation for calculating flow is.

Discharge area x velocity. Thank you for running online culvert 150914. The equation used to determine the flow rate of a rectangular contracted weir is. Length pressure and bore diameter.

Flow cfs or ft 3 s area ft 2 x velocity ft s step 1. Flow rate cfs area sq ft velocity ft sec 0 545 sq ft 5 ft sec 2 725 cfs. Calculate the area ft 2 of the creek bed cross section. Q flow cfs cubic feet per second l perimeter of grate where flow is present in feet h depth of water in feet coefficient 3 33.

Copely tools flow rate calculator with this tool it is possible to easily calculate the average volumetric flow rate of fluids by changing each of the three variables. In general river discharge is computed by multiplying the area of water in a channel cross section by the average velocity of the water in that cross section. Bottom width of the weir in feet. Your request was processed at 06 58 24 pm on september 5th 2020 200905 18 58 24.

R d 2 0 5 2 0 25 ft. Divide the area by the. To calculate the area of a complex shape like a creek bed cross section with the best accuracy scientists use calculus. A πr π 0 25 0 1963 ft.

The following formula is used by this calculator to populate the value for the flow rate pipe diameter or water velocity whichever is unknown. Q 3 33 l h 3 2. Q flow cfs cubic feet per second a open area in grate inches 2 d depth of water over grate inches coefficient 0 0108. For this activity a simpler method will be used.

Velocity of water flow in a pipe. Height of the upstream water above the weir crest in feet. V 0 408 q d2. This calculator may also be used to determine the appropriate pipe diameter required to achieve a desired velocity and flow rate.