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Continuity Equation Calculator

From A₁, v₁, A₂ find v₂ and volumetric flow Q for incompressible flow.

Input Data

Input Area A₁.
Input Velocity v₁.
m/s
Input Area A₂.

Results

4m/s
0.02m³/s
v₂ = 4.000000 m/s, Q = 0.020000 m³/s

At a glance:Continuity Equation Calculator: enter parameters to compute results; complements related calculators.

Formula

A₁v₁ = A₂v₂

Q = A₁v₁ (volumetric flow rate)

How to Use

  1. Enter upstream area A₁ and velocity v₁.
  2. Enter downstream area A₂.
  3. Get downstream velocity v₂ and flow Q.

Case Studies

Area halved

When A₂ = A₁/2, v₂ = 2v₁.

FAQ

When does it apply?

Incompressible, steady flow (mass conservation).

Related Tools

References

Content review: Calculatorism Science Team. Formula and numeric tests verified; results for reference only.

Found a problem with the results?

If this calculator's result is wrong, or you have any question about the calculation logic, please let us know. You are viewing:Continuity Equation Calculator/physics/continuity-equation)。