纳米-生物柴油混合物对CI发动机性能,排放和燃烧特性的影响 - 审查
1Agricultural and Biological Engineering Department, Faculty of Engineering, University of Khartoum, Khartoum, Sudan.
Heliyon
|November 29, 2023
概括
将金属纳米颗粒添加到生物柴油中可以提高柴油发动机的性能并减少排放. 研究表明,各种纳米-生物柴油混合物提高了制动热效率,并显著减少了碳化合物,一氧化碳和氧化物.
科学领域:
- 工程 工程师 工程师 工程师
- 材料科学 材料科学 材料科学
- 环境科学 环境科学
背景情况:
- 随着能源需求的增加和石油储量的减少,需要替代燃料.
- 生物柴油是交通部门的可行替代品.
- 纳米生物柴油在燃料特性和发动机性能方面提供了潜在的改进.
研究的目的:
- 审查纳米生物柴油在柴油发动机中的应用.
- 分析各种纳米-生物柴油混合物对燃料性能,燃烧效率和排放的影响.
- 为了突出燃料质量的变化及其对发动机输出的影响.
主要方法:
- 对精选的档案文章进行批判性审查和深入检查.
- 对纳米金属添加剂 (Al2O3,CeO2,CNTs,CuO,GO,TiO2等) 的分析 影响. 影响. 影响.
- 评估对燃料质量,燃烧,制动热效率 (BTE),制动特定燃料消耗 (BSFC) 和排放 (HC,CO,NOx) 的影响.
主要成果:
- 在以纳米粒子为基础的燃料中报告了车热效率 (BTE) 的显著提高.
- 使用Jatropha生物柴油 (B20) 和50ppm Al2O3.3的最大BTE改善率为24.7%.
- 排放的最大减少:HC的70.94%,CO的80%,NOx的30%.
结论:
- 纳米-生物柴油混合物在发动机性能和减排方面显示出显著的改进.
- 建议对生物柴油和金属氧化物纳米粒子的各种组合进行进一步的研究.
- 未来的研究应该探索混合纳米粒子,以克服局限性并实现增强的特性.
更多相关视频
相关概念视频
Combustion Energy: A Measure of Stability in Alkanes and Cycloalkanes
The low reactivity in alkanes can be attributed to the non-polar nature of C–C and C–H σ bonds. Alkanes, therefore, were initially termed as “paraffins,” derived from the Latin words: parum, meaning “too little,” and affinis, meaning “affinity.”
Alkanes undergo combustion in the presence of excess oxygen and high-temperature conditions to give carbon dioxide and water. A combustion reaction is the energy source in natural gas, liquified petroleum gas (LPG), fuel oil, gasoline, diesel fuel, and...
Alkanes undergo combustion in the presence of excess oxygen and high-temperature conditions to give carbon dioxide and water. A combustion reaction is the energy source in natural gas, liquified petroleum gas (LPG), fuel oil, gasoline, diesel fuel, and...
Turnover Number and Catalytic Efficiency
The turnover number of an enzyme is the maximum number of substrate molecules it can transform per unit time. Turnover numbers for most enzymes range from 1 to 1000 molecules per second. Catalase has the known highest turnover number, capable of converting up to 2.8×106 molecules of hydrogen peroxide into water and oxygen per second. Lysozyme has the lowest known turnover number of half a molecule per second.
Chymotrypsin is a pancreatic enzyme that breaks down proteins during digestion. The...
Chymotrypsin is a pancreatic enzyme that breaks down proteins during digestion. The...
Internal Combustion Engine
The internal combustion engine is a heat engine that uses the byproducts of combustion as the working fluid instead of using a heat transfer medium to transfer heat. The combustion is done in a way that produces high-pressure combustion products that can be expanded through a turbine or piston to create work. Internal combustion engines can again be categorized into three kinds: (1) spark ignition gasoline engines, most commonly used in automobiles, (2) compression ignition diesel engines that...


