多变量宽工况 CH4 /H2 非预混燃烧污染物数值模拟

taptap下载安装安卓学报 ›› 2025, Vol. 43 ›› Issue (4): 74-83.

• 航空环境与可持续发展 • 上一篇下一篇

多变量宽工况 CH4 /H2 非预混燃烧污染物数值模拟

taptap下载安装安卓中欧航空工程师学院，天津 300300

收稿日期:2024-01-31 修回日期:2024-06-04 出版日期:2025-09-22 发布日期:2025-09-22
作者简介:张鸿（1978— ），男，山西临汾人，副教授，博士，研究方向为湍流燃烧数值模拟
基金资助:
中央高校基本科研业务费专项（KJZ53420210041）

Numerical simulation of pollutants from non-premixed combustion of

CH4 /H2 under multivariate wide-range conditions

Sino-European Institute of Aviation Engineering, CAUC, Tianjin 300300, China

Received:2024-01-31 Revised:2024-06-04 Online:2025-09-22 Published:2025-09-22

摘要/Abstract

摘要：

本文以热伴流射流燃烧器（JHC， jet-in-hot-coflow）为研究对象，开展多变量宽工况下甲烷掺氢非预混燃烧

污染物数值模拟，定量分析了中心燃料射流掺氢量、中心燃料射流速度、热伴流含氧量、热伴流温度等对燃

烧温度、反应速率及主要污染物生成量的影响。结果表明：随着掺氢量增加，进口处反应更加剧烈且温度峰

值更高，燃烧速率增快，高温区域更宽，一氧化碳（CO）和二氧化碳（CO2）质量分数减小，氮氧化合物（NOx）质

量分数增加；随着热伴流氧气质量分数增加，CO 质量分数先增加后减小，NOx 质量分数峰值增幅可达

250%；随着热伴流温度增加，CO 质量分数增加，CO2 质量分数减小，NOx 质量分数峰值平均增幅可达

230%。本文可为工程应用中掺氢燃料污染物排放预测提供基础理论支撑。

关键词:

甲烷掺氢, 非预混燃烧, 燃烧特性, 污染物

Abstract:

This article takes the jet-in-hot-coflow (JHC) combustor as the research object and conducts numerical simulation

of pollutants from non-premixed combustion of hydrogen blended methane under multivariate wide-range conditions. Quantitative analysis is conducted on the effects of hydrogen blended ratio of central fuel jet, velocity of

central fuel jet, and the oxygen content and temperature of the hot coflow on combustion temperature, reaction rate,

and the generation of major pollutants. The results show that with an increase of hydrogen blended ratio, the

reaction at the inlet becomes more intense and the temperature peak is higher, the combustion rate increases, the

high-temperature region becomes wider, the mass fraction of CO and CO2 decrease, while the mass fraction of NOx

increases. As the oxygen mass fraction of hot coflow increases, the mass fraction of CO first increases and then

decreases, and the increase of the NOx mass fraction peak can reach 250% . With the increase of hot coflow

temperature, CO mass fraction increases, CO2 mass fraction decreases, and the average increase of the NOx mass

fraction peak can reach 230%. This paper can provide basic theoretical support for predicting pollutant emissions

of hydrogen blended fuels in engineering applications.

Key words:

hydrogen blended methane, non-premixed combustion, combustion characteristics, pollutant

中图分类号:

TK16

张鸿, 李林军, 王笑冬.

多变量宽工况 CH4 /H2 非预混燃烧污染物数值模拟

[J]. taptap下载安装安卓学报, 2025, 43(4): 74-83.

ZHANG Hong, LI Linjun, WANG Xiaodong.

Numerical simulation of pollutants from non-premixed combustion of

CH4 /H2 under multivariate wide-range conditions

[J]. Journal of Civil Aviation University of China, 2025, 43(4): 74-83.

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多变量宽工况 CH4 /H2 非预混燃烧污染物数值模拟

Numerical simulation of pollutants from non-premixed combustion of

CH4 /H2 under multivariate wide-range conditions

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