A half century with marine diesel engines. Discussion

The author has been engaged in the design and manufacture of marine diesel engines for more than 40 years since joining Mitsui Engineering & Shipbuilding Co Ltd. In this paper, the worldwide history of marine diesel engines and the technical developments achieved in Japan will be dealt with, focusing on the following technologies: (1) selectively developed technology such as up-rating, the use of low grade fuels, reduced manpower ship operation, etc; (2) advanced technology responding to the demand for economy since the oil crisis; (3) the development of technology by preparation of a technical infrastructure.