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首页> 外文期刊>International journal of green energy >Influence of adding multiwalled carbon nanotubes to waste cooking oil biodiesel on the performance and emission characteristics of a diesel engine: an experimental investigation
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Influence of adding multiwalled carbon nanotubes to waste cooking oil biodiesel on the performance and emission characteristics of a diesel engine: an experimental investigation

机译：将多壁碳纳米管添加到柴油发动机性能和排放特性的多壁碳纳米管对废料烹饪油生物柴油的影响：实验研究

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摘要

The current experimental work focuses on the influence of adding multiwalled carbon nanotube (MWCNT) with waste cooking oil methyl ester (WCME) on the performance, emission and combustion parameters of compression ignition engine. The MWCNT was scrutinized using TEM and XRD analysis, and then it was blended with waste cooking oil biodiesel fuel at a fraction of 25, 50, and 75 mg/L using ultrasonicator. These blends were tested under different engine loads and a constant speed of 2000 rpm. The experimental outcomes demonstrated that by adding MWCNTs to WCME fuel, the cylinder peak pressure, peak pressure rise rate, and heat release rate were slightly reduced in comparison with pure WCME fuel. The innovated fuel blend significantly decreased NOx, CO, and UHC. Additionally, the brake thermal efficiency was amended remarkably, and the specific fuel consumption was reduced compared with pure WCME fuel. According to the comparisons of engine performance and emissions, the recommended dose level of MWCNTs with WCME fuel was concluded to be 50 mg/l, which gave a substantial improvement in all engine performance characteristics (where NOx was reduced by 40%, CO by 40%, UHC by 50% and bsfc by 18%).
机译：目前的实验工作侧重于加入多壁碳纳米管（MWCNT）与废料烹饪油甲酯（WCME）对压缩点火发动机的性能，发射和燃烧参数的影响。使用TEM和XRD分析仔细审查MWCNT，然后使用超声波仪在25,50和75mg / L的分数下与废物烹饪油生物柴油燃料混合。在不同的发动机负载下测试这些混合物和2000 rpm的恒定速度。实验结果证明，与WCME燃料加入MWCNT，与纯WCME燃料相比，气缸峰值压力，峰值压力升高，峰值压力率和热释放率略微降低。创新的燃油混合物显着降低了NOx，CO和UHC。另外，显着修改制动热效率，与纯WCME燃料相比，特定的燃料消耗降低。根据发动机性能和排放的比较，使用WCME燃料的推荐剂量水平缔结为50 mg / L，这对所有发动机性能特征（NOx降低了40％，Co BY 40 ％，UHC达50％，BSFC为18％）。

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