高压燃烧室进气雷诺数对旋流预混燃烧特性的影响

doi:10.11930/j.issn.1004-9649.201810002

中国电力 ›› 2018, Vol. 51 ›› Issue (12): 14-19.DOI: 10.11930/j.issn.1004-9649.201810002

高压燃烧室进气雷诺数对旋流预混燃烧特性的影响

付忠广¹, 王树成¹, 宋依璘², 张高强¹, 高玉才¹

1. 电站状态监测与控制教育部重点实验室华北电力大学, 北京 102206;
2. 能源清洁利用国家重点实验室, 热能工程研究所浙江大学, 浙江杭州 310027

收稿日期:2018-10-09 修回日期:2018-11-25 出版日期:2018-12-05 发布日期:2018-12-13
作者简介:付忠广(1963-),男,教授,从事电站机组运行优化与复杂热力系统建模研究,E-mail:fzg@ncepu.edu.cn;王树成(1988-),男,博士研究生,从事先进热力系统的集成与优化研究,E-mail:wiserc@sina.cn
基金资助:
北京市自然科学基金项目（3162030）；中央高校基本科研业务专项资金项目（2018QN035）。

Investigation on Premixed Combustion Characteristics with Radial-Swirled Flow in High Pressure Combustion Chamber

FU Zhongguang¹, WANG Shucheng¹, SONG Yilin², ZHANG Gaoqiang¹, GAO Yucai¹

1. Key Laboratory of Condition Monitoring and Control for Power Plant Equipment, Ministry of Education, North China Electric Power University, Beijing 102206, China;
2. State Key Laboratory of Clean Energy Utilization, Institute of Thermal Power Engineering, Zhejiang University, Hangzhou 310027, China

Received:2018-10-09 Revised:2018-11-25 Online:2018-12-05 Published:2018-12-13
Supported by:
This work is supported by Natural Science Foundation of Beijing (No.3162030) and Fundamental Research Funds for the Central Universities (No.2018QN035).

摘要/Abstract

摘要： 采用数值模拟的方法对干式低排放高压燃烧室的燃烧特性进行研究，通过与文献中实验数据对比，验证了模型的正确性。分析了不同进气雷诺数下燃烧室的速度场、压力场及燃烧室出口截面温度的分布情况。结果表明，雷诺数对燃烧室内的流场影响较大。随着雷诺数的增加，燃烧室的回流区范围增大，燃气流速增加。燃烧室出口温度上升，燃烧室出口截面中心区域温度由外向内呈升高趋势。

关键词: 燃气轮机, 预混燃烧, 燃烧室, 进气参数, 雷诺数, 数值模拟

Abstract: The combustion characteristics of a dry low emission high pressure combustion chamber are studied through numerical simulation. Then the model is validated by comparing the simulation result with the experimental data in the literatures. The velocity field, pressure field and temperature distribution at the exit of the combustion chamber under different inlet Reynolds number are analyzed. It is shown from the results that the value of Reynolds number has great impact on the flow field in the combustion chamber. As the Reynolds number increases, the central recirculation zone tends to expand with higher axial velocity at the central recirculation zone. In addition, the temperature at the exit of the combustion chamber rises, where the cross section temperature gradually increases from the external to the center. Besides, as the flow distance increases, the maximum velocity and range of the recirculation zone tend to decrease with the intensity of the reflux lessened and shrinking area of the external recirculation zone.

Key words: gas turbine, premixed combustion, combustion chamber, inlet parameter, Reynolds number, numerical simulation

中图分类号:

TK227

付忠广, 王树成, 宋依璘, 张高强, 高玉才. 高压燃烧室进气雷诺数对旋流预混燃烧特性的影响[J]. 中国电力, 2018, 51(12): 14-19.

FU Zhongguang, WANG Shucheng, SONG Yilin, ZHANG Gaoqiang, GAO Yucai. Investigation on Premixed Combustion Characteristics with Radial-Swirled Flow in High Pressure Combustion Chamber[J]. Electric Power, 2018, 51(12): 14-19.

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https://www.electricpower.com.cn/CN/Y2018/V51/I12/14

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高压燃烧室进气雷诺数对旋流预混燃烧特性的影响

Investigation on Premixed Combustion Characteristics with Radial-Swirled Flow in High Pressure Combustion Chamber

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高压燃烧室进气雷诺数对旋流预混燃烧特性的影响

Investigation on Premixed Combustion Characteristics with Radial-Swirled Flow in High Pressure Combustion Chamber

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