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由生物柴油混合燃料燃料的柴油发动机排放的颗粒物的物理性质和结构特征
Pak Kin Wong1, Shou Hao Chen1, Meisam Ahmadi Ghadikolaei2
1Department of Electromechanical Engineering, University of Macau, Taipa, Macau.
Environmental pollution (Barking, Essex : 1987)
|June 25, 2023
概括
生物柴油和乙醇等可再生燃料改变了柴油发动机颗粒物 (PM) 的性能. 葡萄种子生物柴油 (DGs10) 显示对PM特征的影响最大,特别是降低PM质量.
科学领域:
- 燃烧科学 燃烧科学
- 材料科学 材料科学 材料科学
- 环境工程 环境工程
背景情况:
- 柴油发动机产生颗粒物 (PM),这是一个重要的空气污染物.
- 可再生燃料为传统柴油提供了潜在的替代品.
- 了解这些燃料对PM排放的影响对于环境和健康评估至关重要.
研究的目的:
- 研究不同生物柴油混合物和乙醇混合物对柴油发动机颗粒物 (PM) 的物理和结构性质的影响.
- 为了比较葡萄种子生物柴油 (DGs10),咖啡生物柴油 (DC10),白油生物柴油 (DEu10) 和乙醇混合 (9%乙醇,1%生物柴油) 与纯柴油的效果.
主要方法:
- 使用标准仪器测量了燃料特性 (密度,粘度,加热值,成分, cetane数).
- 从柴油发动机的废气中采集了颗粒物 (PM),使用各种可再生燃料混合物.
- 用扫描电子显微镜 (SEM),扫描传输电子显微镜 (STEM) 和拉曼光谱 (RS) 分析了PM的微观结构,纳米结构和结构特征.
主要成果:
- 与纯柴油相比,生物柴油混合物和乙醇混合物都改变了PM的特性.
- 乙醇混合物比生物柴油混合物对颗粒物质的影响略大.
- 在生物柴油混合物中,DGs10对PM特性产生了更大的影响,特别是在减少PM质量方面.
结论:
- 可再生燃料,包括生物柴油和乙醇混合物,可以改变柴油发动机排放的颗粒物的特性.
- 葡萄种子生物柴油 (DGs10) 是减少柴油发动机中的PM质量排放的有希望的候选者.
- 对于更清洁的燃烧技术,对可再生燃料对PM的影响进行进一步的研究是有必要的.
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