Keywords: Open IC engine cooling system with thermal energy recovery.JPG Open IC engine cooling system with thermal energy recovery ship svg en A hand drawn schematic of an open internal combustion engine cooling system for ships with thermal energy recovery Thermal energy recovery allows to increase the efficiency of the ship by 60-80 The schematic was drawn based on an image in the book Leidraad voor het Stuurbrevet by Richard Vooren Paul Van den Keybus own KVDP 2009-10-02 Ship engines Cooling Nautical equipment |