Abstract
In order to meet fuel consumption regulation China Phase 4 and emission regulation China 6, China FAW (First Automobile Work) developed a 1.4L GDI miller engine. The cam profile and turbocharger were optimized and designed by one-dimensional thermodynamic analysis. A delicate design of high compression ratio, spray target, and intake port was realized by Computational Fluid Dynamics (CFD) analysis of in-cylinder flow, atomization and mixing. The combustion system was finally settled based on optical and thermodynamic engine with the primary target: The specific power is 79 kW/L, the specific torque is 168 N m/L, the Brake-specific fuel consumption (BSFC) is 225 g/kW h and the maximum thermal efficiency is 37.5%.
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Wang, Z., Liu, Y., Chen, H., Huang, P., Han, Y., Liu, Z. (2020). Combustion System Design and Development on 1.4L Miller Gasoline Engine. In: (China SAE), C. (eds) Proceedings of China SAE Congress 2018: Selected Papers. SAE-China 2018. Lecture Notes in Electrical Engineering, vol 574. Springer, Singapore. https://doi.org/10.1007/978-981-13-9718-9_32
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DOI: https://doi.org/10.1007/978-981-13-9718-9_32
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