Research on High-precision Gas Radiation Characteristics Model and Its Application in Gas Turbine Combustor Chamber

LI Jialu; WANG Chaojun; GENG Junjie; HE Boshu; QI Haiying; WANG Cuiping

doi:10.19805/j.cnki.jcspe.2025.240591

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Research on High-precision Gas Radiation Characteristics Model and Its Application in Gas Turbine Combustor Chamber

更新时间：2025-11-28

- Research on High-precision Gas Radiation Characteristics Model and Its Application in Gas Turbine Combustor Chamber
- Chinese Journal of Power Engineering Vol. 45, Issue 11, Pages: 1815-1823(2025)
- 作者机构：
  
  1. 山东科技大学清洁能源实验室,山东,青岛,266590
  2. 北京交通大学机械与电子控制工程学院,北京,100091
  3. 清华大学能源与动力工程系,北京,100084
- 作者简介：
- 基金信息：
- DOI：10.19805/j.cnki.jcspe.2025.240591
  CLC：
- Published Online：17 November 2025，
  
  Published：17 November 2025
- 稿件说明：
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李嘉璐,王超俊,耿俊杰,何伯述,祁海鹰,王翠苹. 高精度气体辐射特性模型及其在燃气轮机燃烧室模拟中的应用研究动力工程学报, 2025, 45(11): 1815-1823 https://doi.

org/10.19805/j.cnki.jcspe.2025.240591
李嘉璐,王超俊,耿俊杰,何伯述,祁海鹰,王翠苹. 高精度气体辐射特性模型及其在燃气轮机燃烧室模拟中的应用研究动力工程学报, 2025, 45(11): 1815-1823 https://doi. DOI： 10.19805/j.cnki.jcspe.2025.240591.

org/10.19805/j.cnki.jcspe.2025.240591 DOI：

摘要

为提高燃烧室内气体燃料低污染燃烧过程的模拟精度

通过用户自定义程序在商业软件中加入了灰气体加权和(WSGG)模型和全光谱

分布(FSK)模型

并将其应用到5和110 MW全参数全尺寸天然气燃烧室燃烧过程的数值模拟中。结果表明:商用软件内置的辐射模型精度不足

而FSK模型能够精确地表征燃烧室NO

生成和气体向火焰筒壁面的辐射热流;改进的WSGG模型实现了对精确吸收系数曲线的分段近似

提高了模型的精度

但在燃气与燃烧室壁面的辐射传热上表现尚有存疑

有待进一步研究。

Abstract

To improve the simulation accuracy of low pollution combustion process of gas fuel in the combustion chamber

the weighted sum of grey gases (WSGG) model and full spectrum

-distribution (FSK) model were added to commercial software through user-defined programs

and applied to the numerical simulation of combustion process in 5 and 110 MW full-parameter and full-scale natural gas combustion chambers. Results show that the radiation model built into commercial software has insufficient accuracy

while the FSK model can accurately characterize the generation of NO

in the combustion chamber and the radiation heat flux of gas on the flame tube wall. The improved WSGG model has achieved segmented approximation of the precise absorption coefficient curve

improving the accurac

y of the model. However

there are still doubts about its performance in terms of radiative heat transfer between gas and combustion chamber wall

and further research is needed.

关键词

Keywords

references

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