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eng.mine-ventilation-air-quantity Calculator
Calculates mine ventilation air quantity from diesel equipment ratings, personnel, and methane dilution requirements. MSHA requires minimum 200 cfm per diesel horsepower in underground mines — this drives ventilation quantity in mechanised mining operations.
Inputs
Diesel Kw
Rate of energy transfer (W). P = V×I (electrical). P = F×v (mechanical). 1 horsepower ≈ 746 W.
Q Diesel M3 S Kw
Reference formula or conversion factor shown for context.
Dust Sources
Reference formula or conversion factor shown for context.
V M3
Three-dimensional space occupied (m³ or L). 1 m³ = 1,000 L.
Results
total ventilation Q (m³/s)
The combined total across all inputs and components.
Q for diesel equipment (m³/s)
Sample size or count used in the calculation.
air changes per hour
Sample size or count used in the calculation.
time to flush mine volume (min)
The computed three-dimensional volume.
Q = power × 0.06 m³/s/kW
Reference formula or conversion factor shown for context.