Mine Natural Ventilation Pressure (NVP) Calculator
Compute Natural Ventilation Pressure ($NVP$), motive column of air, downcast vs. upcast density gradients, and seasonal thermal draft effects in deep mines.
Shaft Depth & Air Column Temperatures
Intake shaft (cooler air)
Return shaft (geothermally heated)
Natural Ventilation Driving Potential
Natural Ventilation Pressure
-
-
Natural Draft Airflow (Q_nat)
-
Self-Induced Convective Flow
Downcast Density ρ_d
--
Upcast Density ρ_u
--
Density Difference Δρ
--
Motive Column of Air & Energy Impact
Motive Air Column H_m: -- m | Fan Power Equivalent: -- kW
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