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首页> 外文期刊>Journal of industrial and engineering chemistry >CFD simulation of fluidized bed reactors for polyolefin production -A review
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CFD simulation of fluidized bed reactors for polyolefin production -A review

机译：用于聚烯烃生产的流化床反应器的CFD模拟-综述

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摘要

This literature survey focuses on the application of computational fluid dynamics (CFD) in various aspects of the fluidized bed reactor. Although fluidized bed reactors are used in various industrial applications, this first-of-its-kind review highlights the use of CFD on polyolefin production. It is shown that CFD has been utilized for the following mechanisms of polymerization: governing of bubble formation, electrostatic charge effect, gas-solid flow behavior, particle distribution, solid-gas circulation pattern, bed expansion consequence, mixing and segregation, agglomeration and shear forces. Heat and mass transfer in the reactor modeling using CFD principles has also been taken under consideration. A number of softwares are available to interpret the data of the CFD simulation but only few softwares possess the analytical capability to interpret the complex flow behavior of fluidization. In this review, the popular softwares with their framework and application have been discussed. The advantages and feasibility of applying CFD to olefin polymerization in fluidized beds were deliberated and the prospect of future CFD applications was also discussed.
机译：这项文献调查的重点是在流化床反应器各个方面中计算流体动力学（CFD）的应用。尽管流化床反应器用于各种工业应用，但本次同类回顾首次强调了CFD在聚烯烃生产中的应用。结果表明，CFD已用于以下聚合机理：控制气泡形成，静电荷效应，气固流动行为，颗粒分布，固-气循环模式，床膨胀结果，混合和分离，附聚和剪切力量。还考虑了使用CFD原理在反应器建模中进行传热和传质。有许多软件可用来解释CFD模拟的数据，但是只有少数软件具有分析能力来解释流化的复杂流动行为。在这篇综述中，讨论了流行的软件及其框架和应用。讨论了将CFD应用于流化床烯烃聚合的优势和可行性，并讨论了未来CFD应用的前景。

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