Discharge in Notches and Weirs Formulas

Discharge Weir is the rate of flow of a liquid. And is denoted by Q'. Discharge is usually measured using the Cubic Meter per Second for Volumetric Flow Rate. Note that the value of Discharge is always negative.

Formulas to find Discharge in Notches and Weirs

fxDischarge with Velocity of ApproachGo

fxDischarge without Velocity of ApproachGo

fxDischarge over Rectangle Weir Considering Francis's formulaGo

List of variables in Notches and Weirs formulas

fx Coefficient of Discharge Go

fx Length of Weir Go

fx Initial Height of Liquid Go

fx Final Height of Liquid Go

FAQ

What is the Discharge?

Discharge Weir is the rate of flow of a liquid. Discharge is usually measured using the Cubic Meter per Second for Volumetric Flow Rate. Note that the value of Discharge is always negative.

Can the Discharge be negative?

Yes, the Discharge, measured in Volumetric Flow Rate can be negative.

What unit is used to measure Discharge?

Discharge is usually measured using the Cubic Meter per Second[m³/s] for Volumetric Flow Rate. Cubic Meter per Day[m³/s], Cubic Meter per Hour[m³/s], Cubic Meter per Minute[m³/s] are the few other units in which Discharge can be measured.

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