Abstract
Climate changes and increased demands for energy, tends researchers in searching for environmental friendly resources of energy that can be used in internal combustion engines (ICEs). Hydrogen fuel is one of alternative fuels that produces zero emission. It has been extensively studied by various researchers in internal combustion engines. However, optimum performance could not be achieved due to some limitations on the configurations of air fuel ratio (AFR) and compression ratio. In this study, hydrogen fuelled engine performance and the effect of different air fuel ratios and compression ratios were analyzed. The engine performance characteristics are investigated based on the brake torque, brake power, brake mean effective pressure (BMEP), and peak pressure. Modenas Kriss 110 cc petrol engine was selected for experimentation and engine modelling. A three-dimensional engine model was created using CATIA V5R21 and the engine performance simulation was performed using GT-Suite v7.4.3. The optimum configuration was obtained using a design of experiments (DOE) software. From the analysis, it was found that the performance of the hydrogen fueled engine was improved by changing to a leaner AFR and higher compression ratio. The improvement was found around 7.6, 9.3, 8.0, 25.9, 30.6% for brake torque, brake power, BMEP, peak pressure and brake specific fuel consumption, respectively.
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Acknowledgements
The authors thanked the University Kuala Lumpur Malaysian Spanish Institute (UniKL MSI) for research facilities and financial assistance provided for this project.
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Shaari, M.F. et al. (2018). Optimization of Air-Fuel Ratio and Compression Ratio to Increase the Performance of Hydrogen Port Fuel Injection Engines. In: Öchsner, A. (eds) Engineering Applications for New Materials and Technologies . Advanced Structured Materials, vol 85. Springer, Cham. https://doi.org/10.1007/978-3-319-72697-7_34
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DOI: https://doi.org/10.1007/978-3-319-72697-7_34
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