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Soot formation in low oxygen concentration volatile combustion flame of single particle coal measured by light scattering method
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Zhiyong QIAN1, Ying WU1, Qian WANG1, Zixing TAN2, Yubo HUANG3, Xiaowei LIU3
Thermal Power Generation | 2023, 52(12) : 124 - 130
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Thermal Power Generation | 2023, 52(12): 124-130
• Thermal energy science research •
Soot formation in low oxygen concentration volatile combustion flame of single particle coal measured by light scattering method
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Zhiyong QIAN1, Ying WU1, Qian WANG1, Zixing TAN2, Yubo HUANG3, Xiaowei LIU3
Affiliations
  • 1.JiangXi Electric Power Research Institute, Nanchang 330096, China
  • 2.Nanchang Kechen Electric Power Test and Research Co., Ltd., Nanchang 330096, China
  • 3.State Key Laboratory of Coal Combustion, Huazhong University of Science and Technology, Wuhan 430074, China
Published: 2023-12-25 doi: 10.19666/j.rlfd.202303043
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In order to explore the formation and evolution of soot during the combustion of coal, this paper uses Pingdingshan coal as combustion material, and uses the light scattering method coupled with the thermophoretic sampling article diagnostic method to measure the soot mass in flame. A light scattering measurement system capable of precise vertical movement is constructed to measure the light scattering intensity at different heights of the flame. The particle size distribution is obtained by the thermophoretic sampling particle diagnostic method, and the soot mass at different heights when the flame is calculated by Mie scattering theory. The results show that as the flame rises, the median mass diameter of soot firstly increases and then decreases. When the flame burns stably, a large amount of soot is formed at a height of H=10 mm. As the flame rises, the mass of soot decreases rapidly in the H=10~30 mm range. In the range of 10~20 mm, the soot mass of Pingdingshan coal decreases by 58.62%. When H>40 mm, the soot mass of Pingdingshan coal slowly decreases.

soot particle  /  light scattering measurement  /  thermophoretic sampling  /  Mie scattering
Zhiyong QIAN, Ying WU, Qian WANG, Zixing TAN, Yubo HUANG, Xiaowei LIU. Soot formation in low oxygen concentration volatile combustion flame of single particle coal measured by light scattering method[J]. Thermal Power Generation, 2023 , 52 (12) : 124 -130 . DOI: 10.19666/j.rlfd.202303043
Funding
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  • Key Projects of the Joint Fund of the National Foundation of China(U22A20211)
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Year 2023 volume 52 Issue 12
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Article Info
doi: 10.19666/j.rlfd.202303043
  • Receive Date：2023-03-28
  • Online Date：2026-01-26
  • Published：2023-12-25
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History
  • Received：2023-03-28
Funding
Key Projects of the Joint Fund of the National Foundation of China(U22A20211)
Affiliations
    1.JiangXi Electric Power Research Institute, Nanchang 330096, China
    2.Nanchang Kechen Electric Power Test and Research Co., Ltd., Nanchang 330096, China
    3.State Key Laboratory of Coal Combustion, Huazhong University of Science and Technology, Wuhan 430074, China
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https://castjournals.cast.org.cn/joweb/rlfd/EN/10.19666/j.rlfd.202303043
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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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