| 天然气在渐变型多孔介质中的预混燃烧 |
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| 引用本文： | 王恩宇,程乐鸣,骆仲泱,倪明江,岑可法. 天然气在渐变型多孔介质中的预混燃烧[J]. 燃烧科学与技术, 2004, 10(1): 1-6 |
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| 作者姓名： | 王恩宇 程乐鸣 骆仲泱 倪明江 岑可法 |
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| 作者单位： | 浙江大学热能工程研究所,能源清洁利用与环境教育部重点实验室,杭州,310027 |
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| 基金项目： | 国家自然科学基金资助项目(50176043). |
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| 摘 要： | 设计了孔径沿程变化的渐变型多孔介质(GVPM)燃烧器，为了解天然气在其中的预混燃烧特性，对燃烧室气体、固体温度分布和CO、NO；污染物排放进行了测量．试验研究了渐变型多孔介质中燃烧的温度场分布、火焰移动、污染物排放、稳定性及多孔介质孔径结构对燃烧特性的影响规律．将研究结果与几种均匀型多孔介质(HPM)中的燃烧进行比较，发现渐变型多孔介质中的燃烧可以有更多的优点，包括均匀温度场分布、极低污染物排放、高火焰速度、高稳定性、宽燃烧极限和有很大的负荷调节范围等．
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| 关 键 词： | 预混燃烧 多孔介质 燃烧器 渐变型多孔介质 |
| 文章编号： | 1006-8740(2004)01-0001-06 |
| 修稿时间： | 2003-08-12 |
Premixed Combustion of Natural Gas in a Gradually-Varied Porous Medium |
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| WANG En-yu,CHENG Le-ming,LUO Zhong-yang,NI Ming-jiang,CEN Ke-fa y of Minist of Education. Premixed Combustion of Natural Gas in a Gradually-Varied Porous Medium[J]. Journal of Combustion Science and Technology, 2004, 10(1): 1-6 |
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| Authors: | WANG En-yu CHENG Le-ming LUO Zhong-yang NI Ming-jiang CEN Ke-fa y of Minist of Education |
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| Affiliation: | WANG En-yu,CHENG Le-ming,LUO Zhong-yang,NI Ming-jiang,CEN Ke-fa y of Minist of Education,Institute of Thermal Power Engineering,Zhejiang University,Hangzhou 310027,China) |
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| Abstract: | Experimental studies on premixed combustion of natural gas in a gradually-varied porous media (GVPM) burner were conducted.The temperature distribution and CO, NO_ x emissions were measured in the GVPM burner. Parameters effecting temperature profiles, flames stability and CO, NO_x emission of the structure of the porous media were studied. Compared with a homogeneous porous medium (HPM) burner, the GVPM burner is of more uniform temperature profile, lower CO and NO_ x emissions, higher flame speed, better stability, larger range of combustion limits and higher power modulation. |
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| Keywords: | premixed combustion porous media burner gradually-varied porous media |
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