It is good practice to provide areas with significant heat sources, such as separator rooms
with their own air supply and extractors.
Under-cooling of the engine room should be avoided during all conditions (service conditions,
slow steaming and in port). Cold draft in the engine room should also be avoided, especially
in areas of frequent maintenance activities. For very cold conditions a pre-heater in the system
should be considered. Suitable media could be thermal oil or water/glycol to avoid the risk
for freezing. If steam is specified as heating medium for the ship, the pre-heater should be in
a secondary circuit.
Fig 10-1 Engine room ventilation, turbocharger with air filter (DAAE092651)
10-2 Wärtsilä 46F Product Guide - a19 - 1 December 2017
Wärtsilä 46F Product Guide10. Combustion Air System
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