| 多孔介质表面火焰最小稳燃空间实验研究 |
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| 引用本文： | 冯耀勋,王勇,蒋利桥,赵黛青,汪小憨.多孔介质表面火焰最小稳燃空间实验研究[J].中国电机工程学报,2011,31(20). |
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| 作者姓名： | 冯耀勋 王勇 蒋利桥 赵黛青 汪小憨 |
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| 作者单位： | 中国科学院广州能源研究所,广东省广州市,510640 |
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| 基金项目： | 国家自然科学基金项目(50776090); 重大国际(地区)合作项目(50721140651)~~ |
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| 摘 要： | 为考察以多孔介质壁面为进气壁面的微燃烧器的最小稳燃空间，该文以多孔介质表面平面火焰为对象，以甲烷/空气预混气为燃料进行点火及熄火实验研究。实验中采用与多孔介质表面平行的可控温铜板来模拟燃烧室壁面，详细考察了不同燃料当量比和预混气流速时，铜板壁面温度对点火距离和熄火距离的影响。实验结果表明：当量比处于0.9～1.0之间最容易点火；在相同的当量比下，随着预混气流速的增大，点火距离先逐步减小后增大。随着平板壁面温度的提高，点火距离和熄火距离同时减小，分析认为，热熄火是其熄火的主要因素。
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| 关 键 词： | 微燃烧器 多孔壁面 壁面温度 点火距离 熄火距离 |
The Smallest Distance for Stable Combustion Experimental Study of Flames on Porous Surface |
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| FENG Yaoxun
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WANG Yong
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JIANG Liqiao
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ZHAO Daiqing
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WANG Xiaohan.The Smallest Distance for Stable Combustion Experimental Study of Flames on Porous Surface[J].Proceedings of the CSEE,2011,31(20). |
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| Authors: | FENG Yaoxun WANG Yong JIANG Liqiao ZHAO Daiqing WANG Xiaohan |
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| Affiliation: | FENG Yaoxun,WANG Yong,JIANG Liqiao,ZHAO Daiqing,WANG Xiaohan(Guangzhou Institute of Energy Conversion,CAS,Guangzhou 510640,Guangdong Province,China) |
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| Abstract: | In order to investigate the smallest distance for stable combustion of micro combustor whose chamber was made of porous materials,the ignition and extinction experimental study of methane/air premixed flames on porous wall surface was done.In experiment a temperature-controlled copperplate which paralleled to porous wall surface was used to simulate the wall of combustor.Effect of temperature of copperplate on igniting distance and quenching distance was investigated at different gas flow velocity and equiv... |
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| Keywords: | micro combustor porous wall surface temperature igniting distance quenching distance |
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