燃气轮机燃烧室壁面红外辐射二维测温误差修正方法研究

胡君恒; 廖志弘; 江栋军; 张岚; 樊雨骐; 吴学成; 许传龙

doi:10.19805/j.cnki.jcspe.2026.250529

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燃气轮机燃烧室壁面红外辐射二维测温误差修正方法研究

更新时间：2026-10-06

- 燃气轮机燃烧室壁面红外辐射二维测温误差修正方法研究
- Research on Error Correction Method for Two-dimensional Infrared Radiation Thermometry of Gas Turbine Combustor Wall
- 动力工程学报 2026年46卷第3期页码：68-77
- 作者机构：
  
  1. 中国联合重型燃气轮机技术有限公司,北京,100016
  2. 浙江大学能源高效清洁利用全国重点实验室,浙江,杭州,310027
  3. 东南大学能源与环境学院, 大型发电装备安全运行与智能测控国家工程研究中心,江苏,南京,210018
- 作者简介：
  
  胡君恒(1992—),男,工程师,硕士研究生,研究方向为燃气轮机试验测试技术
  吴学成(通信作者),男,教授,博士,E-mail:wuxch@zju.edu.cn
- 基金信息：
  
  国家科技重大专项资助项目(2017-V-0016-0069)
- DOI：10.19805/j.cnki.jcspe.2026.250529
  中图分类号：
- 网络首发：2026-03-10，
  
  纸质出版：2026-03-10
- 稿件说明：
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胡君恒,廖志弘,江栋军,张岚,樊雨骐,吴学成,许传龙. 燃气轮机燃烧室壁面红外辐射二维测温误差修正方法研究动力工程学报, 2026, 46(3): 68-77 https://doi.

org/10.19805/j.cnki.jcspe.2026.250529
胡君恒,廖志弘,江栋军,张岚,樊雨骐,吴学成,许传龙. 燃气轮机燃烧室壁面红外辐射二维测温误差修正方法研究动力工程学报, 2026, 46(3): 68-77 https://doi. DOI： 10.19805/j.cnki.jcspe.2026.250529.

org/10.19805/j.cnki.jcspe.2026.250529 DOI：

摘要

红外成像辐射测温是实现燃气轮机燃烧室壁面二维温度在线精准测量的有效途径

对保障机组安全运行、准确监测设备故障具有重要意义。针对燃气轮机燃烧室壁面辐射测温过程中存在的主要外部影响因素

提出了一种综合考虑燃气影响和高温背景影响的测温误差修正方法。通过对高温燃气辐射特性进行分析

选择了3.7~3.9 μm作为测量波段

在该波段下通过试验说明消除高温燃气影响的必要性

同时基于燃气体积流量及空燃比的平方

对等效高温背景反射辐射温度进行拟合

并在模拟燃烧室测温系统上测量了多个工况下的待测样件表面温度。结果表明:所提出的误差修正方法平均测量误差为0.722%

满足实际应用要求。

Abstract

Infrared imaging radiation thermometry has emerged as a robust approach for achieving precise online two-dimensional temperature measurement of gas turbine combustor wall

which is of great significance to ensure operational safety of unit and accurate fault diagnosis of equipment. Regarding the predominant external interference factors in the process of gas turbine combustor wall radiation thermometry

a comprehensive error correction method that took consideration of both gas effect and background reflection interference was proposed. Through rigorous spectral analysis of high-temperature gas radiation characteristics

the wavelength band of 3.7~3.9 μm was selected for measurement

with particular emphasis on the necessity of compensating for gas radiation interference through experiment. Meanwhile

the equivalent background reflection temperature was fitted as a function of squared gas flow rate and air-fuel ratio. Finally

surface temperature measurement of the specimen was conducted on a simulated combustor test rig across various operating conditions. Results show that the proposed error correction method yields an average measurement accuracy of 0.722%

which satisfies practical application requirements.

关键词

Keywords

references

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