Analysis of superheated steam influence on the content of solid carbon particles during diffusion combustion of liquid hydrocarbon fuel

IF 0.5 4区 工程技术 Q4 ENGINEERING, AEROSPACE Thermophysics and Aeromechanics Pub Date : 2024-10-17 DOI:10.1134/S0869864324020136
E. P. Kopyev
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Abstract

The study is aimed at clarifying and revealing the basic principles of the effect of superheated steam and its parameters on the content of solid carbon particles (soot) in intermediate and final combustion products when burning liquid hydrocarbon fuel. Using a laboratory atmospheric atomizing burner, it was determined that there is a significant amount of solid carbon particles at the base of the burner flame. When heated air is used instead of steam, an increase in soot content by ∼75 % is observed. The analysis of the flame glow intensity in a narrow ultraviolet band also showed that in air the glow values are ∼75 % higher than when using superheated steam. At the same time, it has been established that the soot content in the final combustion products is affected only by the parameter of the dynamic effect of a jet, which determines air ejection from the environment both into the gas generation chamber and into the external flame region.

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过热蒸汽对液态碳氢化合物燃料扩散燃烧过程中固体碳颗粒含量的影响分析
这项研究旨在阐明和揭示过热蒸汽及其参数对燃烧液态碳氢化合物燃料时中间和最终燃烧产物中固体碳颗粒(烟尘)含量影响的基本原理。通过使用实验室大气雾化燃烧器,可以确定在燃烧器火焰底部存在大量固体碳颗粒。当使用加热的空气代替蒸汽时,观察到烟尘含量增加了 ∼ 75 %。对窄紫外波段火焰辉光强度的分析也表明,在空气中,辉光值比使用过热蒸汽时高出 ∼ 75 %。同时还确定,最终燃烧产物中的烟尘含量仅受喷射动态效应参数的影响,该参数决定了空气从环境中喷射到气体发生室和外部火焰区域。
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来源期刊
Thermophysics and Aeromechanics
Thermophysics and Aeromechanics THERMODYNAMICS-MECHANICS
CiteScore
0.90
自引率
40.00%
发文量
29
审稿时长
>12 weeks
期刊介绍: The journal Thermophysics and Aeromechanics publishes original reports, reviews, and discussions on the following topics: hydrogasdynamics, heat and mass transfer, turbulence, means and methods of aero- and thermophysical experiment, physics of low-temperature plasma, and physical and technical problems of energetics. These topics are the prior fields of investigation at the Institute of Thermophysics and the Institute of Theoretical and Applied Mechanics of the Siberian Branch of the Russian Academy of Sciences (SB RAS), which are the founders of the journal along with SB RAS. This publication promotes an exchange of information between the researchers of Russia and the international scientific community.
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