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变截面流化床理论模型及数值模拟
Alternative TitleTheoretical model and numerical simulation of variable section fluidized bed
傅源方; 刘大有
Source Publication化学工程
2008-03-15
Volume36Issue:3Pages:31-34,42
ISSN1005-9954
Abstract基于双流体模型,在一定假设的条件下推导得到了用于描述变截面床流化过程的局部平衡模型。对于局部平衡模型,空间导数项的离散采用五阶精度的WENO有限差分格式,时间导数项的离散采用TVD Runge-Kutta型的离散格式,对流量突变后的瞬态过程进行了模拟,得到固相体积分数在整个变化过程中沿床高的分布以及床高变化规律和床层表面颗粒速度变化曲线。对于流量突增过程,在床内不同位置形成了一系列的连续波,当所有的连续波到达床面整个变化过程结束。而对于流量突然减小过程,将会有固相体积分数间断在分布板处形成,当所有间断到达床面时,塌落过程结束。
Keyword流态化 变截面流化床 固相体积分数分布 数值模拟
Indexed ByCSCD
Language中文
CSCD IDCSCD:3230660
Citation statistics
Cited Times:1[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/40154
Collection力学所知识产出(1956-2008)
Corresponding Author傅源方
Recommended Citation
GB/T 7714
傅源方,刘大有. 变截面流化床理论模型及数值模拟[J]. 化学工程,2008,36,3,:31-34,42.
APA 傅源方,&刘大有.(2008).变截面流化床理论模型及数值模拟.化学工程,36(3),31-34,42.
MLA 傅源方,et al."变截面流化床理论模型及数值模拟".化学工程 36.3(2008):31-34,42.
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