不同气体喷嘴的燃气轮机燃烧室性能对比

何敏; 吉洪湖; 钟华贵; 李华东; 罗智峰

doi:10.13224/j.cnki.jasp.2018.06.002

不同气体喷嘴的燃气轮机燃烧室性能对比

doi: 10.13224/j.cnki.jasp.2018.06.002

1.
南京航空航天大学能源与动力学院,南京 210016；中国航空发动机集团四川燃气涡轮研究院,四川江油 621703
2.
南京航空航天大学能源与动力学院,南京 210016
3.
中国航空发动机集团四川燃气涡轮研究院,四川江油 621703

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出版历程
- 收稿日期: 2016-12-01
- 刊出日期: 2018-06-28

Comparison of combustion performance for different nozzles in gas turbine combustor

摘要

摘要: 将原型使用-10#柴油的燃气轮机燃烧室改为使用天然气燃料的燃烧室,遵循对原型机改动量最少的原则,只对燃油喷嘴做改动设计,其余部分不做改动。为了解改型机的喷嘴与燃烧室的匹配特性,设计了三种不同孔径的天然气喷嘴（气体喷嘴开孔大小决定了燃料的喷射速度、燃料的浓度分布,进而影响燃烧室的燃烧性能）,并在改型机上进行燃烧性能试验研究。试验结果表明：改烧天然气后,设计状态燃烧效率增加,但出口温度分布有所变差,而对壁面温度分布影响不大；通过对燃烧性能进行对比分析,天然气3＃喷嘴的综合燃烧性能最优。
- 航改燃机 /
- 燃烧室 /
- 喷嘴 /
- 天然气 /
- 燃烧性能
Abstract: The gas turbine combustor with -10# diesel was changed to one with burn natural gas, and based on the principle of least change of combustor, only the fuel nozzle design was changed. In order to understand the matching characteristics of the nozzle and combustor, three kinds of natural gas nozzles with different injector hole diameters were designed, nozzle could affect the injecting velocity of natural gas, natural gas concentration distribution, therefore, it could affect the combustion performance of combustor. So the combustion performance experiment for these three kinds of natural gas nozzles was carried out. The experimental results show that when the fuel is natural gas, the combustion efficiency increases, but the exit temperature distribution is poor, there is little effect on the wall temperature distribution. Based on the comparative analysis of the experimental results, the combustion performance of natural gas nozzle No.3 is the optimum.
- aero-derivative industrial gas turbine /
- combustor /
- nozzle /
- natural gas /
- combustion performance

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