基于OH-PLIF测量技术的煤粉射流火焰着火燃烧特性

被引：3

作者：

朱文堃 ^{[1
]}

齐洪亮 ^{[1
]}

杨玉奇 ^{[1
]}

彭江波 ^{[2
]}

孙锐 ^{[1
]}

丁赛杰 ^{[1
]}

张蕾 ^{[1
]}

田岩 ^{[3
]}

机构：

[1] 哈尔滨工业大学燃烧工程研究所

[2] 哈尔滨工业大学可调谐激光技术国家级重点实验室

[3] 北京国电龙高科环境工程技术有限公司

来源：

燃烧科学与技术 | 2019年 / 25卷 / 02期

关键词：

煤粉; 着火; 射流火焰; PLIF; 挥发分燃烧;

D O I：

暂无

中图分类号：

TQ534 [煤的燃烧];

学科分类号：

摘要：

在光学诊断型煤粉燃烧器系统上研究煤粉着火燃烧特性,利用ICMOS相机捕捉射流火焰总光强信号、自发辐射信号以及PLIF荧光信号,根据获得信号的品质,判断各种测试手段的优缺点.计算射流火焰总光强和PLIF荧光信号的着火延迟时间,分析PLIF测量手段的可靠性,结合OH-PLIF技术的瞬态图像,以及着火延迟时间的变化规律,分析射流火焰挥发分着火及燃烧特性.研究结果表明,颗粒群着火是挥发分先析出着火燃烧,然后加热焦炭颗粒燃烧的过程.

引用

页码：175 / 181

页数：7

共 23 条

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