Experimental study on ammonia combustion based on micro gas turbine model combustion chamber

李坤; 吴殿武; 陈龙威; 陈治强; 范学军; 陈亮

doi:10.19666/j.rlfd.202502070

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Experimental study on ammonia combustion based on micro gas turbine model combustion chamber

Thermal Power Generation Vol. 54, Issue 11, Pages: 68-75(2025)

更新时间：2026-08-11

- Experimental study on ammonia combustion based on micro gas turbine model combustion chamber
- 作者机构：
  
  1. 合肥综合性国家科学中心能源研究院
  2. 合肥中科重明科技有限公司
  3. 中国科学院高温气体动力学国家重点实验室
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.202502070
  CLC： TK471
- Published：2025
- 稿件说明：
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[1]李坤,吴殿武,陈龙威,等.基于微燃气轮机模型燃烧室的氨燃烧实验[J],2025,54(11):68-75.
[1]李坤,吴殿武,陈龙威,等.基于微燃气轮机模型燃烧室的氨燃烧实验[J],2025,54(11):68-75. DOI： 10.19666/j.rlfd.202502070.

DOI：10.19666/j.rlfd.202502070.

摘要

为探索氨燃料在燃气轮机燃烧室模拟件内的点火和稳定燃烧性能，分别对不同预热温度及裂解度的氨气进行点火燃烧实验研究，获得一定实验条件下氨燃料的点火及燃烧规律。实验结果表明：氨气稳定燃烧需满足裂解度不小于30%且空气预热器温度不小于643 K；在空气预热器温度743～943 K，燃烧时长5～40 s内，燃烧室内部温度、尾部温度及压力基本随空气预热器温度与燃烧时长的增加而升高；空气预热器温度显著影响NO排放，在673 K时NO排放体积分数最低，为376μL/L，此时燃烧效率为96%。零维模拟计算结果表明，增大压力、氨气裂解度和温度有助于缩短点火延迟时间，且较高的氢气含量和略微富燃的状态可促进层流火焰速度的增加，优化氨的燃烧。

Abstract

To explore the ignition and stable combustion performance of ammonia fuel in simulated combustion chambers of gas turbines

ignition and combustion experiments were conducted on ammonia gas with different preheating temperatures and cracking degrees

and the ignition and combustion laws of ammonia fuel under certain experimental conditions were obtained. The results indicate that

stable combustion of ammonia requires a cracking degree of not less than 30% and an air preheater temperature of not less than 643 K. Within the temperature range of 743～943 K and combustion duration of 5～40 seconds in the air preheater

the internal temperature

tail temperature

and pressure of the combustion chamber generally increase with the preheater temperature and combustion duration. The NO emission volume fraction is significantly affected by the temperature of the preheater

it reaches the minimum(376 μL/L) at 673 K when the combustion efficiency is 96%. The zero dimensional simulation results show that

increasing pressure

ammonia cracking degree and temperature can help shorten the ignition delay time

and higher hydrogen content and slightly enriched combustion state can promote the increase of laminar flame velocity and optimize the combustion of ammonia.

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references

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