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Calculation of ventilation of accumulator batteries compartments and boxes

Charging current [A]
Amount of battery cells [pcs]
I=_ [A]


Mechanical ventilation

Natural ventilation

Air flow rate, Q= _ [m3/h]
Cross-sectional area of vent duct, F= _ [cm2]
Diameter of vent duct, d= _ [cm]

Calculation was carried out acc. to formula:



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More information and details - please see Rules for Class and construction of sea-going ships, Part VI, Chapter 11.8