Impact of Nitrogen Oxides Emission Reduction Methods on Specific Fuel Consumption of Marine Diesel Engines

• Autorzy: Herdzik Jerzy

Identyfikatory

DOI

10.54740/ros.2021.018

• Języki publikacji: EN

Abstrakty

EN

The paper has been presented the methods of nitrogen oxides emission reduction to fulfill the Tier 2 and Tier 3 requirements of the Annex VI of MARPOL Convention. It has been shown the development of marine two-stroke diesel engines and the change of nitrogen oxides emission from 1960 to 2000 and later up to 2020 after the implementation of NO_x emission reduction methods. Specific fuel consumption before 2000, and as a prediction and given data in the manufacturers manuals for Tier 3 engines up to 2020, and as only a prediction up to 2030 has been analyzed and elaborated. Impact of nitrogen oxides reduction methods on the specific fuel consumption of the marine diesel engine has been evaluated. Additional emission of some gases to the atmosphere due to the implementation of reduction methods has been determined. EGR and SCR systems have got a lot of imperfections: required to install additional reduction systems (investment cost, required volume in the engine room), need maintenance and operation costs, produced wastes during treatment process. The estimated additional cost is about 0.8 USD/MWh of produced energy, taking into account only the cost of excessive used fuel. The whole increased cost may reach the level two-three times more due to cleaning systems investment costs, their operational cost and waste disposal. It has been the one of the reasons of worsening the transport effectiveness and competitiveness.

Słowa kluczowe

EN

ship operation; medium speed diesel engine; slow speed diesel engine; emission to atmosphere; nitrogen oxides; emission reduction; specific fuel consumption

• Wydawca: Politechnika Koszalińska
• Czasopismo: Rocznik Ochrona Środowiska
• Rocznik: 2021
• Tom: Tom 23
• Strony: 279--289
• Opis fizyczny: Bibliogr. 28 poz., rys., tab.

Twórcy

autor

Herdzik Jerzy

• Gdynia Maritime University, Poland

• https://orcid.org/0000-0002-2339-807X

Bibliografia

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