Experimental and numerical study on the CO formation mechanism in methane MILD combustion without preheated air

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• 作者：Yang Liu^a ; Jia Cheng^a ; Chun Zou^a ; ^{zouchun@hust.edu.cn} ; Lei Cai^b ; ^{cailei@hust.edu.cn} ; Yizhuo He^a ; Chuguang Zheng^a
• 关键词：MILD combustion ; CO formation mechanism ; Non-preheated air ; Computational fluid dynamics ; Reaction rate
• 刊名：Fuel
• 出版年：2017
• 出版时间：15 March 2017
• 年：2017
• 卷：192
• 期：Complete
• 页码：140-148
• 全文大小：1747 K
• 卷排序：192

文摘

Local high O2 concentration was the reason for high CO concentration zone appeared. R166, R167, R168 plays a significant role in CO formation during MILD combustion. In the central zone, the main CO2 formation path was CH4 → CH3 → CH3O → CH2O → HCO → CO → CO2. R99 dominated in the CO consumption in the recirculation zone.