Constant Head in Orifices and Mouthpieces Formulas

The Constant head is considered for discharging of the water from an mouthpiece. And is denoted by H_c. Constant Head is usually measured using the Meter for Length. Note that the value of Constant Head is always negative.

Orifices and Mouthpieces formulas that make use of Constant Head

fxAbsolute pressure head at constant head and atmospheric pressure headGo

fxAtmospheric pressure head at constant head and absolute pressure headGo

fxVelocity of liquid at C-C for Hc, Ha, and HGo

fxArea at vena contracta for discharge and constant headGo

fxArea of Mouthpiece in Borda's Mouthpiece Running FullGo

fxArea of Mouthpiece in Borda's Mouthpiece Running FreeGo

fxDischarge in Convergent-Divergent MouthpieceGo

fxDischarge in Borda's Mouthpiece Running FullGo

fxDischarge in Borda's Mouthpiece Running FreeGo

FAQ

What is the Constant Head?

The Constant head is considered for discharging of the water from an mouthpiece. Constant Head is usually measured using the Meter for Length. Note that the value of Constant Head is always negative.

Can the Constant Head be negative?

Yes, the Constant Head, measured in Length can be negative.

What unit is used to measure Constant Head?

Constant Head is usually measured using the Meter[m] for Length. Millimeter[m], Kilometer[m], Decimeter[m] are the few other units in which Constant Head can be measured.

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