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, 5.649 and 5.646 bar for GDI, P-G and PFI strategy, which leads to a considerable decrease compared to Conventional Air Combustion (CAC). ${\phi }_{\mathrm{CA}50}$, ${\theta }_F$ and ${\theta }_C$ of PFI are the lowest among three injection strategies. With intake temperature increases from 298 to 378 K, the reduction of BMEP can be up to 12.68%, 12.92% and 12.75% for GDI, P-G and PFI, respectively. Meantime, there is an increase of about 3% in Brake Specific Fuel Consumption (BSFC) and Brake Specific Oxygen Consumption (BSOC). Increasing OMF can improve the performance of BMEP and BSFC, and the trend is more apparent under GDI strategy. Besides, an increasing tendency can be observed for cylinder pressure and in-cylinder temperature under all injection strategies with the increase of OMF.

为了减少二氧化碳 (CO ₂ ) 排放，内燃机 (ICE) 正在开发具有碳捕获和储存 (CCS) 的氧燃料燃烧 (OFC) 技术。在本文中，对双喷射中进气量对 OFC 的影响进行了数值研究。火花点火（SI）发动机，具有汽油直喷（GDI），进气道燃油喷射（PFI）和PG（50％PFI和50％GDI）三种喷射策略。结果表明，在具有固定氧质量分数 (OMF) 和进气温度的 OFC 下，GDI、PG 和 PFI 策略的最大制动平均有效压力 (BMEP) 分别为 5.671、5.649 和 5.646 bar，与到常规空气燃烧 (CAC)。${\phi }_{\mathrm{认证机构}50}$, ${\theta }_F$ 和 ${\theta }_C$PFI 是三种注入策略中最低的。随着进气温度从298 K升高到378 K，GDI，PG和PFI的BMEP降低分别可达12.68％，12.92％和12.75％。与此同时，制动比燃料消耗（BSFC）和制动比氧消耗（BSOC）增加了约3%。增加OMF可以提高BMEP和BSFC的性能，在GDI策略下趋势更加明显。此外，随着OMF的增加，在所有喷射策略下都可以观察到气缸压力和缸内温度的增加趋势。