Auxiliary Mine Ventilation Duct Leakage & Fan Calculator
Determine delivered face airflow ($Q_{face}$), air leakage rate through joints and tears, cumulative duct resistance ($R_{duct}$), and auxiliary fan pressure requirements.
Duct Line Geometry & Fan Capacity
Typical: 760mm (30"), 1067mm (42"), 1220mm (48")
Face Delivery & Leakage Performance
Delivered Face Airflow (Q_face)
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Fan Total Pressure Drop
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Leakage Airflow
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Duct Resistance R
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Fan Shaft Power
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Leakage Index & Duct Velocity
Duct Mean Velocity: -- m/s | Leakage per 100m: -- %
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