Fuel-Based Estimation of Exhaust Emissions from a Medium-Speed Propulsive Diesel Engine for a Naval Vessel under Ocean-Going Conditions

This study was focused on the estimation of air pollutants, such as PM (particulate matters), Sox (sulfur oxides), COx (carbon dioxide), and NOx (nitrogen oxides), from a diesel propulsion engine installed on a naval vessel. Legislative and regulatory actions for exhaust emissions from ships are being strengthened in international communities and by national governments to protect human health and the environment. In this context, various technologies have been developed from all of the nations of the world to meet strict standards. These regulations are based on commercial ship applications and according to size, but are not suitable for military naval vessels, which have much different engine operating conditions, among other things. Additionally, there is no international emission control system for military ships. Emission factors have been updated for commercial ship types from work at various research institutes; however, it is difficult to develop emission factors for military vessels because of their specific characteristics. In this paper, exhaust emissions from diesel engines installed on naval vessels were estimated with emission factors calculated using fuel-based methods and fuel sulfur content analysis.