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微小尺度下氢气预混燃烧的实验研究
Authors
张永立
徐进良
曹海亮
赵黛青
Publication date
1 January 2006
Publisher
Abstract
对内径为1.66mm的不锈钢管燃烧室的氢气预混燃烧实验进行了描述,采用红外测温仪测量了燃烧室壁面的温度场分布,获得了不同燃烧热功率下的运行界限.在突扩段内高温回流区的作用下,在带有5mm长突扩段的燃烧室内可以实现完全预混燃烧,最高运行界限可达1.415.由于较高的进气速度和较大的燃烧室壁面散热,在不带突扩段的不锈钢管内无法实现完全预混燃烧.结果表明突扩段对微小尺度燃烧具有稳定火焰、拓宽燃烧运行界限的作用.通过对火焰形状和结构的观察,结合突扩段燃烧流场的分析,合理解释了燃烧室壁面温度场随过量空气系数的变化规律
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Institutional Repository of GuangZhou Institute of Energy Conversion, CAS
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oai:ir.giec.ac.cn:344007/18387
Last time updated on 05/12/2019
Institutional Repository of GuangZhou Institute of Energy Conversion, CAS
See this paper in CORE
Go to the repository landing page
Download from data provider
oai:ir.giec.ac.cn:344007/378
Last time updated on 29/11/2016