柴油发动机性能和微藻燃料混合与SiO2纳米添加剂的排放的实验研究:RSM和塔古奇优化
Chandrabhushan Tiwari1, Gaurav Dwivedi2, Tikendra Nath Verma3
1Department of Mechanical Engineering, Maulana Azad National Institute of Technology, Bhopal, 462003, India.
Environmental science and pollution research international
|August 22, 2024
概括
将二氧化 (SiO2) 纳米颗粒添加到微藻生物柴油中,可以提高柴油发动机的性能,提高制动器的热效率并降低燃料消耗. 这种混合物还可以显著降低二氧化碳和氧化等排放量.
科学领域:
- 燃烧科学是一种科学.
- 材料科学是一种材料科学.
- 可再生能源是可再生的能源.
背景情况:
- 微藻生物柴油为化石燃料提供了一个可持续的替代品.
- 纳米粒子添加剂可以提高燃料性能和发动机性能.
- 优化燃料混合物对于提高柴油发动机效率和减少环境影响至关重要.
研究的目的:
- 为了评估二氧化 (SiO2) 纳米颗粒对微藻生物柴油混合物在柴油发动机中的影响.
- 评估对发动机性能参数的影响,如制动热效率 (BTE) 和制动特定燃油消耗 (BSFC).
- 量化排放的变化,包括二氧化碳 (CO2),烟雾不透明度 (BSN) 和氧化 (NOx).
主要方法:
- 通过将柴油与微藻生物柴油和不同度的SiO2纳米颗粒 (25-100 ppm) 混合来制备试验燃料.
- 使用液冷四冲程压缩点火发动机在各种负载下 (2-12千瓦) 进行发动机性能测试.
- 分析发动机性能和排放数据,利用塔古奇和响应表面方法 (RSM) 进行优化.
主要成果:
- 生物柴油与SiO2纳米颗粒混合物改善了BTE的1.6-4.8%,并减少了BSFC的8.55-15.33%.
- 在发动机满负荷时观察到排放量显著降低:CO2降低1.8-9%,烟雾不透明度降低6.2-21.4%,NOx降低19-34%.
- 使用塔古奇和RSM方法确定了燃料混合物的最佳条件.
结论:
- 将SiO2纳米颗粒添加到微藻生物柴油中可以提高柴油发动机的性能.
- SiO2纳米添加剂有助于显著减少有害排放.
- 这些发现支持使用SiO2纳米添加剂作为一种可行的策略,以实现更清洁,更高效的柴油发动机运行.
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