Volume 12, Issue 3 (9-2022)                   ASE 2022, 12(3): 3914-3921 | Back to browse issues page

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Qasemian A, Jenabihaghparast S, Azarikhah P. Effects of Hydrogen-Addition on a Bio-fueled SI Engine Performance, Fuel Consumption and Greenhouse Gas Emissions. ASE 2022; 12 (3) :3914-3921
URL: http://www.iust.ac.ir/ijae/article-1-619-en.html
School of Automotive Engineering, Iran University of Science and Technology, Tehran, Iran
Abstract:   (4598 Views)
In the current study, the hydrogen-addition influence on the performance of an SI engine using a gasoline-ethanol blend is investigated numerically. The simulation and validation of the model are carried out in order to evaluate the engine performance using conventional gasoline (G100) and the blend of gasoline and ethanol (G75E25). Furthermore, the hydrogen is added to the gasoline–ethanol blend (G50E25H25) to improve the engine thermal efficiency and reduce the amount of brake specific fuel consumption (BSFC) which leads to the reduction in greenhouse gas (GHG) emissions. The brake specific carbon dioxide (BSCO2) is also studied in this paper. Results show that the addition of hydrogen increases the brake power and thermal efficiency, moderates the BSFC, and decreases the maximum temperature of combustion chamber which reduces the production of greenhouse gases as well as BSCO2. In comparison with pure gasoline, by using G50E25H25, the maximum temperature of in-cylinder gas decreased by 12.55%, 10.82%, and 13.43% at 2000, 4000, and 6000 rpm, respectively. It is also evaluated that the lowest amount of BSCO2 is related to G50E25H25 in most of the engine speeds. The bio-fuel of G75E25 and pure gasoline are placed in next positions, respectively.
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