Calculate Cfs Water Flow

The following formula is used by this calculator to populate.

Calculate cfs water flow. Calculate flow area ft 2 x velocity feet per second multiply area from step 1 times velocity from step 2. Flow rate cfs. The flow rate calculator can also calculate the mass flow rate of liquids given the liquid density is known. The water before the weir should be held in a relatively calm and smooth pool.

With this diameter velocity and flow rate calculator you can determine the exact flow rate or velocity at which water will flow through any given pipe. This calculator may also be used to determine the appropriate pipe diameter required to achieve a desired velocity and flow rate. Click the calculate button and you will see this equals 8 inches. This calculates the water flow rate over a rectangular contracted weir.

Calculate the flow rate in cubic feet per second using the q av formula. Units in circular culvert free discharge water calculator. What is the water velocity. Hvac pros measuring air flow through a duct system might also express the result in cubic feet per second but cubic feet per minute is a more useful unit for measuring air flow.

And you get to see the answer in 5 other different units. There are three major problems caused by flow. Inconsistent flow patterns stir up water in the distribution system wreaking havoc with water quality. The depth of the water is also measured at each point.

Enter 1 0472 in the in the flow rate box and choose cubic feet per second from its menu. Easily calculate the volumetric flow rate of a pipe a k a. To calculate flow in cubic feet per second use a velocity of 5 ft sec and the q av formula. Input and output support metric and imperial.

The current meter is used to measure water velocity at predetermined points subsections along a marked line suspended cableway or bridge across a river or stream. The flow level tells hydrologists how much water is passing the gauging site at a given moment in time. This weir has a rectangular opening where the sides are straight up and down. Divide the diameter by 2 to find the radius of the pipe.

2 water is flowing through a 10 centimeter diameter pipe at a rate of 9 liters per second. A contracted weir means that the ditch or canal leading up to the weir is wider than the weir opening itself. Let s use the pipe flow calculator to determine the velocity and discharge of a plastic pipe 0 5 feet in diameter. In the simplest method a current meter turns with the flow of the river or stream.

Velocity of water flow in a pipe. Discharge rate given its diameter for a round pipe height width for a rectangular one and the velocity of the liquid or gas flowing through it. Cm centimeter cfs cubic foot per second cms cubic meter per second ft foot gal gallon u s m meter min minute s second yr year free flowing water circular culvert pipe drawings and equations introduction to circular culvert free discharge calculation using end depth method. It could be flowing through a pipe along a riverbed or over a waterfall.