Water Flow Rate Formula:
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Definition: This calculator estimates the volumetric flow rate of water through a pipe based on the cross-sectional area and flow velocity.
Purpose: It helps engineers, plumbers, and fluid system designers determine the water flow capacity in piping systems.
The calculator uses the formula:
Where:
Explanation: The flow rate is simply the product of the pipe's cross-sectional area and the average velocity of the water.
Details: Proper flow rate estimation ensures adequate water supply, proper system design, and efficient operation of hydraulic systems.
Tips: Enter the pipe's cross-sectional area in m² and the water velocity in m/s. For circular pipes, area = π × (diameter/2)².
Q1: How do I calculate area for a circular pipe?
A: Use the formula A = π × r² where r is the pipe radius in meters.
Q2: What's a typical flow velocity in pipes?
A: Domestic water systems typically use 0.5-2.5 m/s, while industrial systems may go higher.
Q3: Can I use this for other fluids?
A: Yes, the formula works for any incompressible fluid, but ensure units are consistent.
Q4: How does pipe material affect the calculation?
A: Material affects friction losses which may change velocity, but the basic formula remains valid.
Q5: What if I know flow rate and need to find velocity?
A: Rearrange the formula: V = Q / A.