混合器停留时间分布的研究进展  

Advance in research on residence time distribution in mixers

作　　者：金丹[1] 付海玲[1] 吴剑华[1] 孙丹[1] 

机构地区：[1]沈阳化工大学机械工程学院,辽宁沈阳110142

出　　处：《化工进展》2011年第7期1399-1405,共7页Chemical Industry and Engineering Progress

基　　金：国家"十五"科技攻关项目(2004BA319B1);辽宁省高等学校创新团队项目(2008T158)

摘　　要：研究混合器的停留时间分布对进一步研究混合器内的流型、混合等具有重要的意义。首先介绍了用于描述停留时间分布(RTD)的统计特征参量,根据测试原理及示踪剂输入方式等对停留时间的实验方法进行分类介绍。着重回顾了化学反应工程方法中RTD模型的发展,对有关RTD流场模拟中的常用模型进行了对比分析,并对统计学方法在RTD中的应用加以描述。最后展望了对上述方法在停留时间分布中的进一步应用。It is important to study the residence time distribution in mixers for a better understanding of flow and mixing.The statistical parameters for describing the RTD are introduced and the different experimental methods for RTD are presented according to the measurement principles and different modes for tracer inputting.The developments of model simulation in chemical reaction engineering method for RTD and flow field simulations for RTD are described.Comparison analysis is made for the choice of different models in flow field simulation.Finally,the applications of statistical methods in RTD are discussed.Future research and development of RTD methods are discussed.

关 键 词：停留时间分布 Markov链方法 流场模拟 模型模拟 

分 类 号：TQ051.7[化学工程]