首页|A detail performance and CO2 emission analysis of a very large crude carrier propulsion system with the main engine running on dual fuel mode using hydrogen/diesel versus natural gas/diesel and conventional diesel engines
A detail performance and CO2 emission analysis of a very large crude carrier propulsion system with the main engine running on dual fuel mode using hydrogen/diesel versus natural gas/diesel and conventional diesel engines
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Due to the fact that the emissions is a very important and challenging issue in our world today,especially for the shipping industry,so the use of more environmental friendly fuels in marine engines has become very attractive among researchers.The most interesting and promising alternative fuel is hydrogen(H2)and extensive research on feasible production and developing advance reliable consumption methods is ongoing.In this paper,the implication of hydrogen and performance of the propulsion system of a very large crude carrier is studied,by considering the speed required for the relevant marine voyage cycle to investigate and assessed when fuel is partially switched from diesel to hydrogen.Through developing an advance code in the Matlab-Simulink software,the effect of hydrogen percentage from 1 % to 10 % on CO2 emission and propulsion performance is assessed for the proposed marine voyage and the results are compared with the case of natural gas/diesel or solely conventional diesel.The modeling prediction indicates that by changing the composition of fuels used,at the same time trying to maintain the same power output and proper performance of the engine and propulsion system,the amount of CO2 emission could significantly be reduced,up to 10 % or even more than 24 % in the cases that the energy share of hydrogen and natural gas is 10 % and 99 % for dual fuel hydrogen/diesel and dual fuel natural gas/diesel engines,respectively.
Dual fuel engineNatural gasDieselHydrogenCO2Very large crude carrier
Aboozar Gholami、Seyed Ali Jazayeri、Qadir Esmaili
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Department of Mechanical Engineering,Ayatollah Amoli Branch,Islamic Azad University,Amol,Iran
Department of Mechanical Engineering K.N.Toosi University of Technology,Tehran,Iran
School of Engineering Technology,University of Special Modern Technologies,Amol,Iran
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