PROCESS ENGINEERING
Process calculators
Choose a calculator. Calculations run locally in your browser.
Pipe diameter and velocity ↗
Relate flow, diameter and velocity in a full pipe.
Gravity head ↗
Estimate velocity from available head.
Settling velocity ↗
Explore Durand and single-particle estimates.
Gravity flow ↗
Estimate orifice diameter, head or capacity.
Weir flow ↗
Calculate underflow and sharp-crested overflow.
Slurry properties ↗
Calculate concentration, density and flow.
Equivalent areas ↗
Find equivalent pipe and rectangular areas.
Pressure distributor ↗
Compare feed, body and outlet areas.
Pipe friction ↗
Estimate pipe losses using Hazen–Williams or Darcy–Weisbach.
Pump power ↗
Estimate absorbed and installed power.
Valve flow coefficient ↗
Estimate Kv or Cv for preliminary valve sizing.
Moisture conversions ↗
Convert between free, residual and total moisture.
Trajectories ↗
Explore particle and weir overflow trajectories.
NPSH and submergence ↗
Estimate pump NPSH available and minimum submergence.
Engineering judgment required. Results are for preliminary analysis and education only. Independently verify inputs, assumptions and results; these tools do not replace qualified engineering design.