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	闭式边界下一维扩散模型解析浓度分布及RTD特性
	李莉 ; 杨光育 ; 王金福 ; Li Li ; Yang Guangyu ; Wang Jinfu
	2010-06-10 ; 2010-06-10
关键词	停留时间分布 拉氏变换 一维扩散模型 闭式边界 residence time distribution Laplace transform one-dimension diffusion model close boundary condition TQ018
其他题名	Identification of Concentration and Residence Time Distributions with One-Dimension Diffusion Model at Close Boundary Conditions
中文摘要	本文用拉氏变换法推导在闭式边界条件下的一维平推流返混扩散模型,从而得出了在脉冲示踪注入时示踪剂浓度的空间和时间分布的解析解。论文描述了在不同 Peclet 数下反应器出口处的示踪剂浓度响应曲线图和在同一 Peclet 数下反应器中示踪剂浓度的时间和空间分布曲线。论文比较了在闭式和开式边界条件下求解的示踪剂浓度响应曲线,并讨论了 RTD 特性。; The paper identified the concentration and residence time distributions by analytically solving Laplace transformation of a one-dimension diffusion model.The model Was built-up at the close boundary conditions with the pulse input of the tracer into reactor.The response curves of concentration at the outlet of reactor were presented at the different values of Peclet number.Furthermore,the changes of the concentration with time and location in the reactor were described for a fixed Peclet number.The comparisons of the response curves of the concentration were made for the open and close boundary conditions.Also,the characteristics of residence time distribution were discussed.; 教育部博士点基金(20050003030)
语种	中文 ; 中文
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/64399]
专题	清华大学
推荐引用方式 GB/T 7714	李莉,杨光育,王金福,等. 闭式边界下一维扩散模型解析浓度分布及RTD特性[J],2010, 2010.
APA	李莉,杨光育,王金福,Li Li,Yang Guangyu,&Wang Jinfu.(2010).闭式边界下一维扩散模型解析浓度分布及RTD特性..
MLA	李莉,et al."闭式边界下一维扩散模型解析浓度分布及RTD特性".(2010).

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