| Pseudo—particle simulation of multi—scale heterogeneity in fluidization |
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| 作者姓名： | GEWei ZHANGJiayuan LITinghua LIJinghai |
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| 作者单位： | InstituteofProcessEngineering,ChineseAcademyofSciences,Beijing100080,China |
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| 基金项目： | 国家自然科学基金，国家重点基础研究发展计划(973计划) |
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| 摘 要： | Fluidization is a process of wide application,but its dynamic behavior is not well understood because of its multi-scale heterogeneity and regime multiplicity which are difficult to simulate in traditional numerical methods.By discretizing the fluid phase into a large number of interactive simple particles,which can incorporate many-body moving boundaries easily,pseudo-particle modeling(PPM) has re-produced reasonable radial and axial heterogeneity on macro-scale as well as solids clustering and fluid flows on meso-and micro-scales.The simulation suggestes a consistent evolution of the complexity across different scales with itself scrving as an ideal exploring tool.
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| 关 键 词： | 流化作用 杂质 拟粒子模型化 粒子法 拟粒子仿真 |
| 收稿时间： | 2002-08-12 |
| 修稿时间： | 2002-12-04 |
Pseudo-particle simulation of multi-scale heterogeneity in fluidization |
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| GEWei ZHANGJiayuan LITinghua LIJinghai.Pseudo-particle simulation of multi-scale heterogeneity in fluidization[J].Chinese Science Bulletin,2003,48(7):634-636. |
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| Authors: | Wei Ge Jiayuan Zhang Tinghua Li Jinghai Li |
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| Institution: | GE Wei, ZHANG Jiayuan, LI Tinghua & LI Jinghai Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100080, China |
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| Abstract: | Fluidization is a process of wide application, but its dynamic behavior is not well understood because of its multi-scale heterogeneity and regime multiplicity which are difficult to simulate in traditional numerical methods. By discretizing the fluid phase into a large number of interactive simple particles, which can incorporate many-body moving boundaries easily, pseudo-particle modeling (PPM) has re-produced reasonable radial and axial heterogeneity on macro-scale as well as solids clustering and fluid flows on meso- and micro-scales. The simulation suggests a consistent evolution of the complexity across different scales with itself serving as an ideal exploring tool. |
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| Keywords: | cluster fluidization multi-scale particle method pseudo-particle modeling |
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