Absolute Pressure Head in Orifices and Mouthpieces Formulas

The Absolute Pressure Head is considered for the liquid at venacontracta. And is denoted by H_AP. Absolute Pressure Head is usually measured using the Meter for Length. Note that the value of Absolute Pressure Head is always negative.

Formulas to find Absolute Pressure Head in Orifices and Mouthpieces

fxAbsolute pressure head at constant head and atmospheric pressure headGo

Orifices and Mouthpieces formulas that make use of Absolute Pressure Head

fxAtmospheric pressure head at constant head and absolute pressure headGo

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

List of variables in Orifices and Mouthpieces formulas

fx Atmospheric Pressure Head Go

fx Constant Head Go

fx Velocity of Liquid Outlet Go

FAQ

What is the Absolute Pressure Head?

The Absolute Pressure Head is considered for the liquid at venacontracta. Absolute Pressure Head is usually measured using the Meter for Length. Note that the value of Absolute Pressure Head is always negative.

Can the Absolute Pressure Head be negative?

Yes, the Absolute Pressure Head, measured in Length can be negative.

What unit is used to measure Absolute Pressure Head?

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

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