Influences of carbon quantum dots nanoparticle addition to diesel- microwave-assisted corn oil biodiesel-dimethyl carbonate fuel blends on combustion, performance and emissions

IF 6.7 1区工程技术 Q2 ENERGY & FUELS

Fuel Pub Date : 2024-11-26 DOI:10.1016/j.fuel.2024.133855

Ahmet Uyumaz , Fatih Aksoy , Hamit Solmaz , Alper Calam , Tolga Kocakulak , Yaşar Önder Özgören , Emre Koçer , Laçine Aksoy

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Abstract

In the present study, the influences of the carbon quantum dots nanoparticle addition to diesel- microwave-assisted corn oil biodiesel-dimethyl carbonate fuel mixtures on combustion, performance and emissions were experimentally researched in a DI diesel engine at 4.12, 9.61, 15.10 and 20.60 Nm. Lower in-cylinder pressure was measured using fuel mixtures according to diesel. The rise of carbon quantum dot fraction in the fuel mixtures lead to decrease ID. It was also found that SFC declined with the addition of carbon quantum dot nanoparticle in the fuel blends. ITE increased by 6.66 % using CF QD120 ppm according to CF at 15.10 Nm. CD was shortened with fuel mixtures compared to diesel. Test results also showed that clear increase on MPRR and RI has been realized with fuel mixtures. Higher CO was measured using fuel mixtues. Nevertheless, the addition of carbon quantum dot to CF decreased CO emissions. CO declined by about 14.12 % with CF QD120 ppm according to CF at 20.60 Nm. Significant decrease was measured using carbon quantum dot addition on soot emissions whereas NO_x emissions increased. Soot emissions reduced by 19 % with CF QD120 ppm compared to CF at 20.6 Nm.

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在柴油-微波辅助玉米油生物柴油-碳酸二甲酯燃料混合物中添加纳米碳量子点对燃烧、性能和排放的影响

本研究在柴油-微波辅助玉米油生物柴油-碳酸二甲酯燃料混合物中添加碳量子点纳米粒子，在 4.12 牛米、9.61 牛米、15.10 牛米和 20.60 牛米的直喷柴油发动机中对燃烧、性能和排放的影响进行了实验研究。测量结果表明，使用与柴油相同的混合燃料时，缸内压力较低。混合燃料中碳量子点分数的增加导致内径减小。研究还发现，随着碳量子点纳米粒子在混合燃料中的添加，SFC 也随之下降。根据 15.10 牛米的 CF 值，使用 CF QD120 ppm 的 ITE 增加了 6.66%。与柴油相比，混合燃料的 CD 缩短了。测试结果还显示，混合燃料的 MPRR 和 RI 明显增加。使用混合燃料测得的一氧化碳含量更高。不过，在 CF 中添加碳量子点后，CO 排放量有所减少。与 20.60 牛米的 CF 相比，CF QD120 ppm 的 CO 下降了约 14.12%。添加碳量子点后，烟尘排放量显著减少，而氮氧化物排放量则有所增加。与 20.6 牛米的 CF 相比，添加了 QD120 ppm 的 CF 后，烟尘排放量减少了 19%。

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来源期刊

Fuel 工程技术-工程：化工

CiteScore

12.80

自引率

20.30%

发文量

3506

审稿时长

64 days

期刊介绍： The exploration of energy sources remains a critical matter of study. For the past nine decades, fuel has consistently held the forefront in primary research efforts within the field of energy science. This area of investigation encompasses a wide range of subjects, with a particular emphasis on emerging concerns like environmental factors and pollution.