周期性微流控鼓泡振荡器：对两相微流稳定性的洞察
A periodic microfluidic bubbling oscillator: insight into the stability of two-phase microflows
摘要：
这封信描述了一个周期性振荡的微泡沫流。对于恒定的输入参数，所产生的气泡体积和流速两者都在因子2上变化。我们明确了泡沫拓扑结构交替和流速变化之间的联系，并构建了一个反作用模型，其中气泡仍然存在下游确定新气泡的体积，与实验一致。这提供了对保持单分散性重要的各种参数的洞察，同时显示了实现受控多分散性的方法。
英文摘要：
This letter describes a periodically oscillating microfoam flow. For constant input parameters, both the produced bubble volume and the flow rate vary over a factor two. We explicit the link between foam topology alternance and flow rate changes, and construct a retroaction model where bubbles still present downstream determine the volume of new bubbles, in agreement with experiment. This gives insight into the various parameters important to maintain monodispersity and at the same time shows a method to achieve controlled polydispersity.
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