MIL-HDBK-1003/11
4.3.3.3 Ebullient Systems. In ebullient cooling, a steam and
high-temperature water mixture are moved through the jacket by natural
circulation to a steam separator above the engine. Engine jacket water
circuits must be designed specifically for this type of cooling. The engine
manufacturer shall approve its use in writing. Ebullient cooling including
exhaust gas heat recovery s depicted in Figure 3. An auxiliary boiler is
not required, nor is a jacket cooling water circulation pump normally
required. An auxiliary boiler may not be needed when an exhaust gas heat
recovery boiler is used in conjunction with ebullient cooling because a
direct-fired section can be added to the heat recovery boiler. The use of
ebullient cooling systems must first be approved by NAVFACENGCOM
Headquarters.
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