Exploring the internal dynamics of resonant acoustic mixing using positron emission particle tracking

被引:0
|
作者
Sezer, H. [1 ]
Werner, D. [1 ]
Sykes, J. A. [1 ,2 ]
Bazin, N. [3 ]
Bolton, P. [3 ]
Windows-Yule, C. R. K. [1 ]
机构
[1] Univ Birmingham, Sch Chem Engn, Birmingham B15 2TT, England
[2] Univ Birmingham, Sch Phys & Astron, Birmingham B15 2TT, England
[3] AWE Plc, Reading RG7 4PR, Berks, England
基金
英国工程与自然科学研究理事会;
关键词
D O I
10.1016/j.ces.2024.121166
中图分类号
TQ [化学工业];
学科分类号
0817 ;
摘要
Resonant acoustic mixing (RAM) facilitates the rapid and energy-efficient mixing of diverse powders and particulate systems. However, understanding of the dynamical origins of this mixing remains limited. In this study, we use positron emission particle tracking (PEPT) - a nuclear imaging technique facilitating the high-resolution, three-dimensional tracking of particle motion - to image, for the first time, the internal dynamics of a resonant acoustic mixer. We provide first insight into the three-dimensional flow and mixing dynamics of the system, and the variation of these dynamics with key system parameters, namely fill height and vibrational acceleration. Our results show that the mixing patterns within the system remain consistent across the majority of the parameter space explored. A clear, monotonic increase in mixing rate with increasing acceleration is observed, while the influence of fill height on mixing is more complex.
引用
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页数:5
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