The packaging or filling of a container with a non-Newtonian fluid without quality failures is a current issue encountered at the final step of industrial product processes. In this work, the container filling of viscoplastic fluids is studied using an experimental laboratory plant able to reproduce the industrial transitory packaging conditions. First, a Newtonian validation was conducted to compare and to confirm our setup results with available literature data. Second five flow patterns including dripping, jet buckling, mounding, planar filling, and air entrainment were observed and characterized for the viscoplastic container filling. Most of them present different types of instabilities during the filling, except the planar filling, which seems to be ideal according to industrial specifications. A flow pattern distribution depending on relevant dimensionless numbers was developed. Finally, flow pattern transition criteria are determined highlighting the influence of rheological and process parameters on container filling. © 2017 American Institute of Chemical Engineers AIChE J, 2017

中文翻译：

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屈服应力流体的包装：流型

用非牛顿流体包装或填充容器而没有质量问题是在工业产品过程的最后步骤中遇到的当前问题。在这项工作中，使用能够再现工业临时包装条件的实验实验室工厂研究了粘塑性流体的容器填充。首先，进行牛顿验证，以比较和确认我们的设置结果与可用的文献数据。观察到了后五种流动模式，包括滴流，射流屈曲，堆积，平面填充和夹带空气，并对粘塑性容器填充进行了表征。除平面填充外，大多数填充过程中会出现不同类型的不稳定性，根据工业规范，这似乎是理想的选择。开发了取决于相关的无量纲数的流型分布。最后，确定流型转换标准，以突出流变学和工艺参数对容器填充的影响。©2017美国化学工程师学会AIChE的Ĵ，2017年