Fluids and gases

Bernoulli's equation

P + ½ρv2 + ρgh = constant

P pressure, ρ density, v speed, h height

Watch forHorizontal flow: faster means lower pressure. Use v₂² − v₁², not (v₂ − v₁)².

Apply it · 2 questions

  1. Bernoulli's equation: pressure in a narrower pipeFluids and gases · set 3 · hard
  2. Pressure in a narrowed arteryFluids and gases · set 2 · medium