Pressure drop calculators

Calculator's features:

  1. Calculate pressure drop for known flow rate
  2. Calculate flow rate for known pressure drop
  3. Darcy friction coefficient calculation
  4. Minor losses calculation
  5. Laminar and turbulent flow
  6. Flow velocity calculation
  • Applicable for liquids and low pressure drop gas flow.
  • Circular and rectangle closed pipe,
  • Incompressible flow ρ=const.,
  • Darcy equation based,
  • Applicable for any perfect gas in a long and closed round pipe.
  • Compressible ρ≠const.
  • Isothermal T=const.
  • Flow of air in a closed round pipe.
  • Compressible flow ρ≠const.
  • Isothermal flow T=const.
  • Applicable for natural gas lines over 1 bar, longer than 1 m,
  • Renouard equation based.

Calculators for pressure differential devices

Calculator's features:

  1. Calculate flow rate in pipe based on the created pressure drop,
  2. For liquids and perfect gases,
  3. Flow velocity calculation,
  4. Convert between volume and mass flow rate,
  5. Reynolds number calculation,
  6. Discharge coefficient calculation.