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二冲程汽油机着火时刻的火焰光谱分析
Analysis on Ignition Flame Spectra of Two - stroke Gasoline Engine
【摘要】 二冲程汽油机排气污染严重,尤其是燃烧混合油、浓混合气时有害物排放量大,着火时刻火焰光谱分析表明,CH(431.5nm)及C2(516.5nm)自由基光强峰值比较强,尤其是CN(387nm)自由基光强峰值比较突出。根据Fenimore机理可以解释然气中NOx的生成机理。
【Abstract】 The exhaust emission of two-strode gasoline engine is severe,especially when in burns rich mixture of blended fuel. The analysis on the ignition flame spectra shows that the peak luminous intensities of three characteristic spectra CH (431. 5um) C2(516. 5nm) and CN (387nm) are sarong with the prominence of the peak luminous intensity of CN (387nm). The mechanism of NOx formation in the exhaust gas can be illustrated according to - Fenimore theorem.
【关键词】 光谱法;
燃烧;
光纤传感器;
汽油机;
【Key words】 Spectrum Method; Combustion; Optical Fiber Sensor; Gasoline Engine;
【Key words】 Spectrum Method; Combustion; Optical Fiber Sensor; Gasoline Engine;
【基金】 国家自然科学基金
- 【文献出处】 内燃机工程 ,CHINESE INTERNAL COMBUSTION ENGINE ENGINEERING , 编辑部邮箱 ,1999年04期
- 【分类号】X734.201
- 【被引频次】2
- 【下载频次】74