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首页> 外文期刊>Journal of Physics, D. Applied Physics: A Europhysics Journal >Stabilization of premixed lean methane-air combustion using dielectric barrier discharge with low pollutant emissions
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Stabilization of premixed lean methane-air combustion using dielectric barrier discharge with low pollutant emissions

机译:用低污染物排放介电阻挡放电稳定预混贫甲烷 - 空气燃烧

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摘要

Catalytic combustion is a promising technology to stabilize lean combustion with low pollutant emissions. Catalytic combustion has been applied to gas turbine combustors; however, some drawbacks of this technology remain to be addressed. In this work, a new concept is demonstrated to overcome the problems of catalytic combustion by using dielectric barrier discharge (DBD) instead of a catalyst. A premixed lean methane-air mixture preheated to 400 degrees C with an equivalence ratio of 0.45 is flowed through the DBD reactor under atmospheric pressure. Almost complete combustion is achieved with a DBD power of 0.7% of the net calorific value of the mixture. The exhaust emissions are NO = 20 ppm, NO2 = 2 ppm, CO = 2 ppm, and HC congruent to 0 ppm. This work demonstrates that DBD-assisted combustion is a potential alternative to catalytic combustion.
机译:催化燃烧是一种稳定贫燃烧的有希望的技术,具有低污染物排放。 催化燃烧已应用于燃气轮机燃烧器; 然而,仍有一些缺点仍有待解决。 在这项工作中,证明了一种新的概念来克服介电阻挡放电(DBD)代替催化剂来克服催化燃烧问题。 预热至400℃的预混贫甲烷 - 空气混合物在大气压下流过DBD反应器的等效比。 几乎完全燃烧实现了混合物的净热值的0.7%的DBD功率。 排放排放不= 20 ppm,No2 = 2 ppm,Co = 2 ppm,以及HC全体到0 ppm。 这项工作表明,DBD辅助燃烧是催化燃烧的潜在替代品。

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