Process plug-flow residence time calculator

Calculate nominal space time with your own figures.

Your numbers

Use the units shown. Results update as you change valid inputs.

Use nominal space time to compare changes to your inputs. The method and limits below explain the scope.

Examples

Examples

Try the starting example

Plug-flow reactor volume (m³)
10
Constant volumetric flow (m³/hour)
2
Nominal space time (hours)
5

Try another scenario

Plug-flow reactor volume (m³)
11
Constant volumetric flow (m³/hour)
2
Nominal space time (hours)
5.5
Calculation method

Calculation method

Nominal space time (hours)

Volume/constant volumetric flow; no conversion or residence-time distribution inferred.

Symbols and units
a
Plug-flow reactor volume (m³)
b
Constant volumetric flow (m³/hour)

Use the units shown. A list keeps the order in which you enter its values. The symbol ^ means “raised to the power of”.

Assumptions & limits

Assumptions & limits

  • Reactor volume, volumetric flow. Returns Nominal residence time. All coefficients and observations are user supplied; results describe only the stated mathematical model. Quantities are deterministic calculations from supplied observations and assumptions; no external data is fetched. Supported limits: Finite inputs only; numeric fields bounded as labelled. Lists and JSON records are limited to 256 entries unless a stricter tool bound is stated. No automatic design approval, legal conclusion, treatment recommendation or safety certification. Plug-flow reactor volume (m³): minimum 1e-12, maximum 1000000000000.0. Constant volumetric flow (m³/hour): minimum 1e-12, maximum 1000000000000.0.
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