| 基于全局反应EDC原理的循环流化床燃烧模拟 |
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| 引用本文： | 帅志昂,孙保民,赵晓山,康志忠.基于全局反应EDC原理的循环流化床燃烧模拟[J].热能动力工程,2017,32(7):73-79. |
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| 作者姓名： | 帅志昂 孙保民 赵晓山 康志忠 |
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| 作者单位： | 华北电力大学 电站设备状态监测与控制教育部重点实验室，北京 102206,华北电力大学 电站设备状态监测与控制教育部重点实验室，北京 102206,华北电力大学 电站设备状态监测与控制教育部重点实验室，北京 102206,华北电力大学 电站设备状态监测与控制教育部重点实验室，北京 102206 |
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| 摘 要： | 采用欧拉-欧拉双流体模型,用基于全局反应的涡耗散概念方法描述循环流化床内挥发份均相燃烧反应,用Fluent软件结合UDF(用户自定义函数)热态模拟得到炉内流动和燃烧状况,模拟得到的沿炉高气温分布和出口烟气组分与实验值吻合,验证了模型的准确性,并且采用EDC-G方法优于采用ED-FR方法。在此基础上,分析了炉内颗粒速度和浓度分布,得出炉内主要气体分布。得到沿炉高反应速率分布曲线,C和O_2反应速率高于C和CO反应速率,密相区CO与O_2反应速率高于CH_4与O_2,稀相区CH_4与O_2反应速率高于CO和O_2反应速率。
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| 关 键 词： | 循环流化床 欧拉涡 耗散概念 燃烧模拟 |
Numerical Simulation of Coal Combustion in the CFB by the EDC Model with Global Reaction Mechanism |
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| SHUAI Zhi-ang,SUN Bao-min,ZHAO Xiao-shan and KANG Zhi-zhong.Numerical Simulation of Coal Combustion in the CFB by the EDC Model with Global Reaction Mechanism[J].Journal of Engineering for Thermal Energy and Power,2017,32(7):73-79. |
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| Authors: | SHUAI Zhi-ang SUN Bao-min ZHAO Xiao-shan and KANG Zhi-zhong |
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| Affiliation: | Key Laboratory of Condition Monitoring and Control for Power Plant Equipment,North China Electric Power University,Beijing,China,Post Code:102206,Key Laboratory of Condition Monitoring and Control for Power Plant Equipment,North China Electric Power University,Beijing,China,Post Code:102206,Key Laboratory of Condition Monitoring and Control for Power Plant Equipment,North China Electric Power University,Beijing,China,Post Code:102206 and Key Laboratory of Condition Monitoring and Control for Power Plant Equipment,North China Electric Power University,Beijing,China,Post Code:102206 |
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| Abstract: | |
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| Keywords: | CFB muti-fluid Eulerian eddy dissipation concept combustion simulation |
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