Cross passage ventilation
Cross passage ventilation
Cross passage ventilation
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Acceptance tests<br />
LEAKAGE TEST<br />
FAN M1 M2<br />
V1 V2<br />
Leakage Duct (v-duct) = v1 - v2<br />
FAN M1 M2<br />
V1 V2<br />
Leakage Fire Dampers = v1 - v2 - v.duct<br />
Damper in open position<br />
M1 = Measuring section 1 >> V1 = Air flow M1 [m³/s]<br />
Damper in closed position with foil closure M2 = Measuring section 2 >> V2 = Air flow M2 [m³/s]<br />
Damper in closed position without foil closure<br />
6 th Conference “Tunnel Safety and Ventilation” Graz 22-24 April 2012 13
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