Hydraulics2D
Fluid Dynamics: Energy & Momentum - Theory & Concepts - Bernoulli
Euler and Navier-Stokes equations, Bernoulli and extended energy equations, hydraulic and energy grade lines, control-volume momentum, correction coefficients, jets, vanes, and cavitation limits.
Open the complete lessonBernoulli's Principle: Venturi Meter
Inlet (1)
150.0 kPa abs
2.00 m/s
Throat (2)
120.0 kPa abs
8.00 m/s
This ideal horizontal-flow model neglects losses. Cavitation is assessed using absolute pressure and the approximate vapor pressure of water at 20°C. Once vapor pressure is reached, the single-phase Bernoulli model is no longer physically valid.