| 最大熵原理预测气流式喷嘴雾化液滴粒径分布 |
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| 引用本文： | 李巧红,刘海峰,李伟锋,于遵宏. 最大熵原理预测气流式喷嘴雾化液滴粒径分布[J]. 华东理工大学学报(自然科学版), 2009, 35(1) |
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| 作者姓名： | 李巧红 刘海峰 李伟锋 于遵宏 |
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| 作者单位： | 华东理工大学煤气化教育部重点实验室,上海,200237 |
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| 基金项目： | 国家重点基础研究发展规划资助项目(2004CB217703);;长江学者和创新团队发展计划资助(IRT0620) |
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| 摘 要： | 以最大熵理论为基础,研究了在气流速度一定的条件下,液气质量比的变化对液滴粒径分布的影响。采用归一化条件、比表面积约束条件和大液滴约束条件,提出了适合三通道气流式喷嘴的液滴粒径分布的数学模型。该模型形式简单,模拟液滴体积分布结果与实验结果吻合得很好。
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| 关 键 词： | atomization droplet size distribution maximum entropy principle（MEP） air-blast nozzle liquid-to-gas mass flux ratio |
Prediction of Droplet Size Distribution in Spray of Air-Blast Nozzle Using Maximum Entropy Principle |
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| LI Qiao-hong,LIU Hai-feng,LI Wei-feng,YU Zun-hong. Prediction of Droplet Size Distribution in Spray of Air-Blast Nozzle Using Maximum Entropy Principle[J]. Journal of East China University of Science and Technology, 2009, 35(1) |
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| Authors: | LI Qiao-hong LIU Hai-feng LI Wei-feng YU Zun-hong |
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| Affiliation: | Key Laboratory of Coal Gasification of Ministry of Education;East ChinaUniversity of Science and Technology;Shanghai 200237;China |
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| Abstract: | Based on the maximum entropy principle(MEP),the influence of the liquid-to-gas mass flux ratio on the droplet size distribution was studied at a certain gas velocity.A mathematical model was proposed,which can be used to predict the droplet size distribution of the three-channel air-blast nozzle (using) the normalization,specific surface area constraint and large drop constraint.The model is simple and the simulation results agree well with the experimental data. |
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