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Flow rate

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Flow rate (interchangeable with 'flowrate') may refer to:

  • Flow measurement, a quantification of bulk fluid movement
  • Mass flow rate (ṁ or μ), the mass of a substance which passes per unit of time
  • Volumetric flow rate (Q or ), the volume of fluid which passes per unit time
    • Discharge (hydrology) (Q), volume rate of water flow that is transported through a given cross-sectional area, such as a river