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Free Bernoulli equation calculator for ideal incompressible flow analysis. Estimate downstream pressure from upstream pressure, velocity changes, elevation differences, and fluid density.
Last updated: April 20, 2026
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Pressure at point 2
203810.000 Pa
Pressure difference (p2 - p1)
3810.000 Pa
Total energy at point 1
211810.000
Total energy at point 2
211810.000
Interpretation
Predicted downstream pressure is 203810.000 Pa under ideal Bernoulli assumptions.
Model assumptions:
Steady, incompressible, non-viscous flow along a streamline with negligible pump/turbine work and losses.
Core form
p + 0.5rho v² + rho gh
Components
p, 0.5rho v², rho gh
Assumes
Steady incompressible flow
p1=200000 Pa, v1=2 m/s, h1=1 m, v2=4 m/s, h2=0 m, rho=1000 kg/m³
Pressure at point 2
203810.00 Pa
Pressure change
3810.00 Pa
The calculator applies Bernoulli's equation between two points on a streamline, combining pressure energy, kinetic energy, and gravitational potential energy terms per unit volume.
p1 + 0.5rho v1² + rho g h1 = p2 + 0.5rho v2² + rho g h2Rearranging this equation provides the downstream pressure estimate from known inputs.
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