Abstract
Within the article an issues of implementing the new kinds of marine diesel fuels into ships’ operation was described taking into ac-count restrictions on the permissible sulphur content introduced by the International Maritime Organization. This is a new situation for ship owners and fuel producers, which forces the necessity to carry out laboratory research tests on especially adapted engine stands. How to elaborate the method enabling quality assessment of the self-ignition engine performance, considered in three categories: ener-gy, emission and reliability, represents the key issue of the organization of such research. In the field of energy research, it is necessary to know the thermal efficiency of the engine as the basic comparative parameter applied in diagnostic analyzes and syntheses of sequen-tially tested marine diesel fuels. This type of scientific research has been worked out for two years in the Department of Marine and Land Power Plants of the Gdańsk University of Technology, as a part of the statutory activities conducted in cooperation with the Regional Fund for Environmental Protection in Gdansk and the LOTOS Group oil company. This article presents the algorithm and results of thermal efficiency calculations of the Farymann Diesel D10 test engine in the con-ditions of feeding with various low-sulfur marine diesel fuels: distillation and residual fuels. This parameters stands for one of ten diag-nostic measures of the ranking of energy and emission quality of newly manufactured marine diesel fuels being built at the Department.
Highlights
Organization) decision, the permissible sulfur content in marine diesel fuels is drastically reduced starting with 1 January 2020, from the current maximum of 3.5% to 0.5% per unit masses, for vessels operating in all international waters, except for the previously designated Sulfur Emission Control Area (SECA)1 [1, 3]
It is still possible to use high-sulfur marine diesel fuels, provided that the ship is equipped with an exhaust desulfurization system, operating in a closed system, which will guarantee reduction of sulfur oxides emission in exhaust gases of marine engines to the level 6 g/kWh2 [1, 2]
Observing a development of new technologies allowing the reduction of sulfur content in marine diesel fuels or the reduction of the content of sulfur oxides in engines’ exhaust gases, it can be concluded that they are primarily focused on the maximum reduction of production costs, which will determine their further applicability
Summary
Within the article an issues of implementing the new kinds of marine diesel fuels into ships’ operation was described taking into account restrictions on the permissible sulphur content introduced by the International Maritime Organization This is a new situation for ship owners and fuel producers, which forces the necessity to carry out laboratory research tests on especially adapted engine stands. This article presents the algorithm and results of thermal efficiency calculations of the Farymann Diesel D10 test engine in the conditions of feeding with various low-sulfur marine diesel fuels: distillation and residual fuels
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