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首页> 外文期刊>JSME International Journal. Series B, Fluids and Thermal Engineering >Premixed Combustion of Liquid Fuel by Air Bubble Blowing
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Premixed Combustion of Liquid Fuel by Air Bubble Blowing

机译：通过气泡吹气对液体燃料进行预混合燃烧

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摘要

Premixed combustion of liquid fuel (kerosene) by air bubble blowing was attempted, which is a new method originated from the reverse concept of spray combustion. Setting a porous ceramic plate above the foam layer formed by blowing air into fuel made it possible to stabilize premixed flames on the plate. For most conditions examined the surface of this flame-holding plate was heated and became red-hot, which was effective for promoting fuel evaporation. The dependencies on air flow rate and equivalence ratio of temperature distributions inside and outside the plate were measured and examined in comparison with the cases for uniform gas mixtures. The burned gas was also analyzed in the downstream region and it was found that CO/CO_2 level and UHC concentration were less than the regulation values over a wide range of combustion intensities up to the turn-down ratio of 4.8, and NO_x concentration was nearly on the same level as other combustors for domestic use.
机译：尝试通过气泡预混合燃烧液体燃料（煤油），这是一种从喷雾燃烧的相反概念衍生的新方法。将多孔陶瓷板设置在通过将空气吹入燃料而形成的泡沫层上方，可以稳定板上的预混火焰。在大多数情况下，检查该火焰保持板的表面并使其变热，这对于促进燃料蒸发是有效的。与均匀气体混合物的情况相比，测量并检查了对空气流量的依赖性以及板内外温度分布的当量比。在下游区域还对燃烧的气体进行了分析，发现在大的燃烧强度范围内，CO / CO_2水平和UHC浓度均低于规定值，直到下降比为4.8，NO_x浓度接近与其他家用燃烧器处于同一水平。

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