Using DPM on the Way to Tailored Prismatic Spouted Beds

Using DPM on the Way to Tailored Prismatic Spouted Beds
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使用 DPM 定制棱柱形喷动床

DOI:
10.1002/cite.201100203
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发表时间:
2012
影响因子:
1.9
通讯作者:
S. Heinrich
S. Heinrich
中科院分区:
工程技术4区
文献类型:
--
作者:
V. Salikov;S. Antonyuk;S. Heinrich

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喷淋床用于各种应用,如干燥、造粒、固体涂层和化学反应。离散粒子模型(DPM)是一个强大的工具,支持开发人员为特定的工艺要求创建量身定制的喷射床。由于计算量大,DPM对大规模模拟的限制可以通过适当厚度的矩形设备进行模拟来避免,因为流体和颗粒动力学在这个方向上是独立的,并且可以通过扩展设备厚度来简单地实现放大。本文采用DPM方法研究了气体流速、颗粒摩擦系数和几何基角对喷淋床内颗粒动力学的影响。
Spouted beds are used for miscellaneous applications such as drying, granulation, coating of solids and for chemical reactions. The discrete particle model (DPM) is a powerful tool supporting developers to create tailor‐made spouted beds for specific process requirements. The limitation of DPM for large‐scale simulations, resulting from high computational effort, can be avoided by simulation of rectangular apparatuses of appropriate thickness, since the fluid and particle dynamics are independent in this direction and scale‐up can simply be achieved by extending of the apparatus thickness. In this contribution DPM was used to investigate the influence of the gas flow rate, the particle friction coefficient and the geometry basis angle on the particle dynamics in the spouted bed.
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