International Journal of Vehicle Structures and Systems

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Man Diesel & Turbo G-Type ultra long stroke marine diesel engine was introduced in October 2010.This ultra long stroke means it has been designed to have reduced engine speeds and there by achieving high efficiency ships with reduced fuel consumption as well as reduced CO2 emissions. The ultra long stroke diesel engine with capability of using large size propeller and there by engines with comparatively low speeds can be used for propulsions of large bulk carriers and oil tankers. This arrangement facilitates the effective implementation of EEDI. In this paper we review the effectiveness of this engine in implementation and achievement of EEDI and thereby achieving reduced CO2 emissions. In this paper, we also study the selection of propeller sizes to achieve the optimum design ship speeds and thereby comply with EEDI requirements.

Keywords

Man B&W G-Type Engine, Ultra-Long Stroke, EEDI and CO2 Emissions.
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