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Box coolers as an alternative to existing cooling systems

Młynarczak A.

Zeszyty Naukowe / Akademia Morska w Szczecinie

2013

nr 36 (108) z. 2

131--136

The marine Diesel engines cooling systems and its elements were changing similarly to engines construction. Evolution of the cooling systems tends to reduce sea water pipelines inside engine room. Application of a central cooling system with box coolers completely eliminates sea water pipelines from engine room. Now that solution is rarely used on ships. It can be met on smaller ships, whose power output usually does not exceed 5000 kW, for example: tugs, dredgers, barges, supply vessels, fishing vessels, ferries, cargo freighters, reefers, ice breakers, carriers, etc. – operating inland, as well as in open sea navigation. The article presents an example of practical application of the central cooling system with box coolers on the tug running in Gdynia harbour. In author’s opinion, central cooling system with box coolers has a chance to spread out on bigger ships in the future. It will mainly depend on efficiency and reliability of box coolers secure systems. These systems ought to ensure correct operation of a cooling system between ship class dry-dockings. The box coolers used on the presented harbour tug are secured by ICAF system. The article presents also a proposition of solution to the cooling system with box coolers for merchant ship with power output higher up 5000 kW and advantages (disadvantages) of that solution.