Numerical Comparison of B20 Biodiesel and Petroleum Diesel in terms of Performance, Combustion, and Emission at Constant Speed

To achieve energy efficiency and emission reduction in the shipping sector use of
alternative marine fuel is one of the programs implemented. This study on alternative fuels is an
active response to increasingly stringent emission regulations and the limited supply of fossil
fuels. In addition, an operational feasibility study is an important thing. The method used in this
research is computational fluid dynamics to see how the engine performance, combustion, and
emissions when using biodiesel B20 at a constant speed of 2200 Rpm compared to when using
petroleum diesel. From the results of the numerical comparison study, the use of B20 compared
to petroleum diesel, there was an increase in engine performance the level of fuel consumption
was higher. The use of B20 causes CO and UHC emissions to decrease while NOx increases
compared to petroleum diesel.