Analysis of performance parameters of an ethanol fueled spark ignition engine operating with hydrogen enrichment |
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| Affiliation: | 1. Department of Mechanical Engineering, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil;2. Hydrogen Lab - LabH2 PET/PEMM/COPPE/UFRJ, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil;3. Ocean Engineering Program - COPPE/UFRJ, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil;4. Transport Engineering Program - COPPE/UFRJ, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil;1. Discipline of Mechanical Engineering, University of KwaZulu-Natal, Durban 4041, South Africa;2. Automobile Engine Research Laboratory, Department of Mechanical and Automobile Engineering, Sharda University, Greater Noida, Uttar Pradesh 201310, India;3. School of Chemical and Process Engineering, Energy Research Institute, University of Leeds, LS29JT, UK;1. Posgrado del Tecnológico Nacional de México, Centro Nacional de Investigación y Desarrollo Tecnológico, Int. Internado Palmira S/N, Palmira, C.P.62490, Cuernavaca, Morelos, Mexico;2. Tecnológico Nacional de México, Centro Nacional de Investigación y Desarrollo Tecnológico, Int. Internado Palmira S/N, Palmira, C.P.62490, Cuernavaca, Morelos, Mexico;3. Conacyt-Tecnológico Nacional de México, Centro Nacional de Investigación y Desarrollo Tecnológico, Int. Internado Palmira S/N, Palmira, C.P.62490, Cuernavaca, Morelos, Mexico |
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| Abstract: | Concerns with the environment and energy security have increased interest in phasing out fossil fuels in the automotive industry, as it transitions from conventional internal combustion engines (ICE) to electric and fuel cell powertrains. During this transition, ethanol is of particular interest as a renewable fuel option in ICE, despite drawbacks compared to gasoline. Adding hydrogen to ethanol could remedy the disadvantages associated with ethanol, while maintaining the benefits of using renewable fuels. There is a gap in the literature of both experimental and numerical studies considering hydrogen addition in turbocharged ethanol engines. Therefore, this paper presents an experimental and numerical study of a turbocharged ethanol engine operating with hydrogen enrichment at stoichiometric conditions under boosted conditions. It was concluded that hydrogen addition allowed spark ignition engines to achieve lower brake specific energy consumption, better performance, and lower emissions. Thus, after proper calibration, a simulation model was created and shown to be a suitable tool to predict engine performance of a spark ignition engine operating with hydrogen enrichment and reduce the overall number of experimental tests needed to tune engines operating with this fuel blend. Finally, some operating strategies are recommended based on these findings. |
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| Keywords: | Hydrogen enrichment Ethanol fuel Turbocharged ethanol engine Experimental tests Thermodynamic simulation |
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