MINING TOOL

Mine Ventilation Pressure Drop Calculator

Estimate airway resistance, friction pressure loss and shock losses using the Atkinson equation.

Mine Ventilation Pressure Drop Calculator

FREE ONLINE TOOL
Formula and assumptions

R = k L P / A³; Δp = R Q² + ΣK ρ (Q/A)² / 2.

Single uniform airway; k in kg/m³ at actual air density, not a Darcy factor. Excludes leakage, network balancing, natural ventilation and fan selection.

Q=30 m³/s, A=12 m², P=14 m, L=500 m, k=0.012, ΣK=2, ρ=1.2: 51.25 Pa.

Universidad de Cantabria — Mine Ventilation

STEP BY STEP

How to use mine ventilation pressure drop calculator

  1. Check the input units and assumptions.
  2. Review the result and example.

IN PRACTICE

Example

Q=30 m³/s, A=12 m², P=14 m, L=500 m, k=0.012, ΣK=2, ρ=1.2: 51.25 Pa.

GOOD TO KNOW

Which formula and assumptions are used?

R = k L P / A³; Δp = R Q² + ΣK ρ (Q/A)² / 2. Single uniform airway; k in kg/m³ at actual air density, not a Darcy factor. Excludes leakage, network balancing, natural ventilation and fan selection.