Towards a more powerful hydrogen engine
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Abstract
This research examines the operational efficiency of a single-cylinder hydrogen engine through simulations conducted in OpenModelica. The research focuses on analyzing the combustion characteristics, heat release, temperature, and pressure at varying engine speeds of 1700, 2000, and 2500 rpm. The combustion process is modeled Applying the Wiebe function to represent the proportion of fuel mass that is burned, while the heat released by combustion is calculated using a formula incorporating the fuel mass, lower heating value, and combustion efficiency. The study presents detailed simulations of in-cylinder temperature, heat release rate, and pressure profiles, and examines how these parameters vary with engine speed. Results reveal that peak temperatures and heat release rates increase with engine speed, indicating more intensive combustion at higher speeds. The pressure curves and power output also show significant changes with speed, with higher engine speeds leading to increased power output and improved engine efficiency. This study provides insights into the hydrogen engine's behavior under different operating conditions, highlighting the impact of engine speed on performance metrics.
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References
Alrazen, H. A., Talib, A. A., & Ahmad, K. A. (2016). A two-component CFD studies of the effects of H2, CNG, and diesel blend on combustion characteristics and emissions of a diesel engine. International Journal of Hydrogen Energy, 41(24), 10483-10495. https://doi.org/10.1016/j.ijhydene.2016.04.219.
Banerjee, R., Roy, S., & Bose, P. K. (2015). Hydrogen-EGR synergy as a promising pathway to meet the PM-NOx-BSFC trade-off contingencies of the diesel engine: A comprehensive review. International Journal of Hydrogen Energy, 40(37), 12824-12847. https://doi.org/10.1016/j.ijhydene.2015.07.053.
Ghazal, O. H. (2013). Performance and combustion characteristics of CI engine fueled with hydrogen enriched diesel. International Journal of Hydrogen Energy, 38(35), 15469-15476. https://doi.org/10.1016/j.ijhydene.2013.09.021.
Gomes, J. M., Mikalsen, R., & Roskilly, A. P. (2009). An experimental study of direct injection compression ignition hydrogen engine. International Journal of Hydrogen Energy, 34(16), 6516-6522. https://doi.org/10.1016/j.ijhydene.2009.05.021.
Heywood, J. B. (1988). Internal combustion engine fundamentals. McGraw-Hill.
Karagoz, Y., Guler, I., Sandalci, T., Yuksek, L., & Dalkiliç, A. S. (2016). Effect of hydrogen enrichment on combustion characteristics, emissions and performance of a diesel engine. International Journal of Hydrogen Energy, 41(1), 656-665. https://doi.org/10.1016/j.ijhydene.2015.10.135.
Mansor, M. R. A., Abbood, M. M., & Mohamad, T. I. (2017). The influence of varying hydrogen-methane-diesel mixture ratio on the combustion characteristics and emissions of a direct injection diesel engine. Fuel, 190, 281-291. https://doi.org/10.1016/j.fuel.2016.11.008.
Rocha, H. M. Z., da Silva Pereira, R., Nogueira, M. F. M., Belchior, C. R. P., & de Lima Tostes, M. E. (2016). Experimental investigation of hydrogen addition in the intake air of compressed ignition engines running on biodiesel blend. International Journal of Hydrogen Energy. https://doi.org/10.1016/j.ijhydene.2016.05.008.
Sandalci, T., & Karagoz, Y. (2014). Experimental investigation of the combustion characteristics, emissions and performance of hydrogen port fuel injection in a diesel engine. International Journal of Hydrogen Energy, 39(32), 18480-18489. https://doi.org/10.1016/j.ijhydene.2014.09.049.
Taghavifar, H., Khalilarya, S., & Jafarmadar, S. (2015). Adaptive neurofuzzy system (ANFIS) based appraisal of accumulated heat from hydrogen-fueled engine. International Journal of Hydrogen Energy, 40(25), 8206-8218. https://doi.org/10.1016/j.ijhydene.2015.04.150.
Taghavifar, H., Khalilarya, S., Mirhasani, S., & Jafarmadar, S. (2014). Numerical energetic and exergetic analysis of CI diesel engine performance for different fuels of hydrogen, dimethyl ether, and diesel under various engine speeds. International Journal of Hydrogen Energy, 39(17), 9515-9526. https://doi.org/10.1016/j.ijhydene.2014.03.229.
Welch, A. B., & Wallace, J. S. (1990). Performance characteristic of a hydrogen-fueled diesel engine with ignition assist. SAE Technical Paper No. 902070. https://doi.org/10.4271/902070.
Zareei, J., & Rohani, A. (2021). A simulation and experimental study of the effect of hydrogen added to diesel fuel on performance and exhaust emissions in a diesel engine. Automotive Science and Engineering, 11(2), 3637–3650.
Zhou, J. H., Cheung, C. S., & Leung, C. W. (2014). Combustion, performance, regulated and unregulated emissions of a diesel engine with hydrogen addition. Applied Energy, 126, 1-12. https://doi.org/10.1016/j.apenergy.2014.03.070.