Free Flow Discharge under Head H1 in Indirect Methods of Streamflow Measurement Formulas

Free Flow Discharge under Head H1 is the volumetric flow rate of water that is transported in a weir when there is insufficient backwater to reduce the discharge through the flume. And is denoted by Q₁. Free Flow Discharge under Head H1 is usually measured using the Cubic Meter per Second for Volumetric Flow Rate. Note that the value of Free Flow Discharge under Head H1 is always negative.

Formulas to find Free Flow Discharge under Head H1 in Indirect Methods of Streamflow Measurement

fxFree Flow Discharge under Head using Submerged Flow over WeirGo

Indirect Methods of Streamflow Measurement formulas that make use of Free Flow Discharge under Head H1

fxSubmerged Flow over Weir using Villemonte FormulaGo

List of variables in Indirect Methods of Streamflow Measurement formulas

fx Submerged Discharge Go

fx Downstream Water Surface Elevation Go

fx Upstream Water Surface Elevation Go

fx Exponent of Head Go

FAQ

What is the Free Flow Discharge under Head H1?

Free Flow Discharge under Head H1 is the volumetric flow rate of water that is transported in a weir when there is insufficient backwater to reduce the discharge through the flume. Free Flow Discharge under Head H1 is usually measured using the Cubic Meter per Second for Volumetric Flow Rate. Note that the value of Free Flow Discharge under Head H1 is always negative.

Can the Free Flow Discharge under Head H1 be negative?

Yes, the Free Flow Discharge under Head H1, measured in Volumetric Flow Rate can be negative.

What unit is used to measure Free Flow Discharge under Head H1?

Free Flow Discharge under Head H1 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 Free Flow Discharge under Head H1 can be measured.

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