Pressure Flow Rate Equation: A Complete Guide

However, pressure and flow rate are closely related properties that may affect each other in one way or another. Pressure refers to the force per unit area that a fluid exerts on its surroundings, while the flow rate is the amount of fluid that passes through a given point in a unit of time.

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Flow and Pressure in Pipes Explained

All pipes carrying fluids experience losses of pressure caused by friction and turbulence of the flow. It affects seemingly simple things like the plumbing in your house all the way up to the design of massive, way more complex, long-distance pipelines.

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Relation between flow and pressure

Pressure is the internal pressure of a fluid pipe. Flow rate is the amount of fluid flowing through the effective cross section of a closed pipe or open channel per unit of time, also known as instantaneous flow. When the amount of fluid is expressed in volume, it is called volumetric flow.

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