1. 传感技术国家重点实验室中国科学院上海微系统与信息技术研究所
2. 中国科学院大学
纸质出版:2024
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兰宇伟, 周扬, 吴嫚, 等. 基于微阀流阻控制单液滴分离的研究[J]. 传感器与微系统, 2024,(12):54-57.
兰宇伟, 周扬, 吴嫚, 等. 基于微阀流阻控制单液滴分离的研究[J]. 传感器与微系统, 2024,(12):54-57. DOI: 10.13873/J.1000-9787(2024)12-0054-04.
目前的液滴分离方法难以克服流体中液滴随机分布的问题,导致难以实现稳定的单液滴分离,因此分离过程中存在较多的液滴损失。针对上述问题,通过对液滴进行密排减少其间距来消除这一影响,而后间距被增加来控制液滴的间隔。使用微阀将液滴间隔随压强变化的斜率降低了1 000倍以上,从而实现精确的间隔控制。固定间隔的液滴通过毛细管被收集,稳定状态下可实现5滴/min的无损失分离。
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