Continuous-Flow Sonocrystallization in Droplet-Based Microfluidics
Continuous-Flow Sonocrystallization in Droplet-Based Microfluidics
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DOI：
10.1021/acs.cgd.5b01153
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发表时间：
2015-10
影响因子：
3.8
通讯作者：
Damiano Rossi;R. Jamshidi;N. Saffari;S. Kuhn;A. Gavriilidis;L. Mazzei
中科院分区：
文献类型：
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作者：
Damiano Rossi;R. Jamshidi;N. Saffari;S. Kuhn;A. Gavriilidis;L. Mazzei
提出了一种新的毛细管装置中己二酸连续流动超声分解的设计，并进行了实验和数值研究。研究了过饱和度和超声功率对超声波降解的影响。为了阐明结晶和空化之间的关系，声化学发光和声乳化实验进行，和数值研究的波在水溶液中的传播被用来预测空化的概率。通过激光衍射得到了不同操作条件下的晶体尺寸分布。窄的尺寸分布，小的平均尺寸的晶体（约。15 μm），在施加超声时获得了高的晶体产率。此外，压力分布的数值模拟表明，高的压力振幅附近的sonoprobe尖可获得。使用空化阈值配方，从尖端的距离，其中瞬态空化发生量化。结果与...
A novel design for continuous flow sonocrystallization of adipic acid in a capillary device is presented and investigated experimentally and numerically. The effect of supersaturation and ultrasound power is studied. To elucidate the relationship between crystallization and cavitation, sonochemiluminescence and sonoemulsification experiments are performed, and numerical investigation of the wave propagation in aqueous solution is used to predict the probability of cavitation. Crystal size distribution at different operating conditions is obtained by laser diffraction. Narrow size distributions, small mean size of crystals (ca. 15 μm), and high crystal production rate are achieved when applying ultrasound. In addition, numerical simulations of pressure distribution show that high pressure amplitudes are obtainable near the vicinity of the sonoprobe tip. Using a cavitation threshold formulation, the distance from the tip where transient cavitation takes place is quantified. The results are in agreement with...