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Experimental study on ammonia combustion based on micro gas turbine model combustion chamber
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Kun LI1, Dianwu WU1, Longwei CHEN1, Zhiqiang CHEN2, Xuejun FAN2, 3, Liang CHEN1
Thermal Power Generation | 2025, 54(11) : 68 - 75
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Thermal Power Generation | 2025, 54(11): 68-75
• Renewable energy power generation technology •
Experimental study on ammonia combustion based on micro gas turbine model combustion chamber
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Kun LI1, Dianwu WU1, Longwei CHEN1, Zhiqiang CHEN2, Xuejun FAN2, 3, Liang CHEN1
Affiliations
  • 1.Institute of Energy, Hefei Comprehensive National Science Center, Hefei 230001, China
  • 2.Hefei Zhongke Chongming Technology Co., Ltd., Hefei 230000, China
  • 3.State Key Laboratory of High Temperature Gas Dynamics, Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190, China
Published: 2025-11-25 doi: 10.19666/j.rlfd.202502070
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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.

ammonia fuel  /  preheating temperature  /  cracking degree  /  combustion time  /  zero dimensional simulation
Kun LI, Dianwu WU, Longwei CHEN, Zhiqiang CHEN, Xuejun FAN, Liang CHEN. Experimental study on ammonia combustion based on micro gas turbine model combustion chamber[J]. Thermal Power Generation, 2025 , 54 (11) : 68 -75 . DOI: 10.19666/j.rlfd.202502070
Funding
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  • National Natural Science Foundation of China(T2341001)
  • Independent Projects of Energy Research Institute of Hefei Comprehensive National Science Center(22KZS304; 22KZS301)
Appendix
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Year 2025 volume 54 Issue 11
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Article Info
doi: 10.19666/j.rlfd.202502070
  • Receive Date：2025-02-20
  • Online Date：2026-01-13
  • Published：2025-11-25
Article Data
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  • Received：2025-02-20
Funding
National Natural Science Foundation of China(T2341001)
Independent Projects of Energy Research Institute of Hefei Comprehensive National Science Center(22KZS304; 22KZS301)
Affiliations
    1.Institute of Energy, Hefei Comprehensive National Science Center, Hefei 230001, China
    2.Hefei Zhongke Chongming Technology Co., Ltd., Hefei 230000, China
    3.State Key Laboratory of High Temperature Gas Dynamics, Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190, China
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https://castjournals.cast.org.cn/joweb/rlfd/EN/10.19666/j.rlfd.202502070
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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