Numerical study on the effects of intake charge on oxy-fuel combustion in a dual-injection spark ignition engine at economical oxygen-fuel ratios

Li, Xiang, Pei, Yiqiang and Peng, Zhiun (2021) Numerical study on the effects of intake charge on oxy-fuel combustion in a dual-injection spark ignition engine at economical oxygen-fuel ratios. International Journal of Engine Research . ISSN 1468-0874

Full content URL: https://www.doi.org/10.1177/14680874211022292

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Numerical study on the effects of intake charge on oxy-fuel combustion in a dual-injection spark ignition engine at economical oxygen-fuel ratios
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Abstract

In order to decrease Carbon Dioxide (CO2) emissions, Oxy-Fuel Combustion (OFC) technology with Carbon Capture and Storage (CCS) is being developed in Internal Combustion Engine (ICE). In this article, a numerical study about the effects of intake charge on OFC was conducted in a dual-injection Spark Ignition (SI) engine, with Gasoline Direct Injection (GDI), Port Fuel Injection (PFI) and P-G (50% PFI and 50% GDI) three injection strategies. The results show that under OFC with fixed Oxygen Mass Fraction (OMF) and intake temperature, the maximum Brake Mean Effective Pressure (BMEP) is each 5.671 bar, 5.649 bar and 5.646 bar for GDI, P-G and PFI strategy, which leads to a considerable decrease compared to Conventional Air Combustion (CAC).

Keywords:Oxy-fuel combustion, dual-injection spark ignition engine, intake temperature, oxygen mass fraction, simulation
Subjects:H Engineering > H300 Mechanical Engineering
Divisions:College of Science > School of Engineering
ID Code:45335
Deposited On:09 Jul 2021 09:57

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