设计了一种无阀压电泵驱动的集成式微混合器
其中无阀压电泵采用三棱柱阻变高度流道式结构。利用等效电路模型研究了无阀泵的流动特性
并应用Fluent软件对无阀泵及Y型微流道进行了系统仿真分析
确定了无阀泵和Y型微流道的结构参数
并优选出了系统控制参数。在实验室内制作了微混合器样机
并进行了脉动和混合效果实验
结果表明:当入口流量为0.7 mL/min、脉动频率为100Hz时
流道内脉动效果明显
由此验证了该微混合器具备良好的工作性能。此项研究可为无阀压电泵在微流控领域的应用提供借鉴。
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ZHANG JianHui1,5,6*,XIA QiXiao2,HUANG Yi3,LENG XueFei4,HUANG Jun1,6 & ZHAO ChunSheng1,6 1 Precision Driving Laboratory,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China,2 College of Mechanical & Electronic Engineering,Beijing Union University,Beijing 100020,China,3 Shanghai Aircraft Design and Research Institute,Shanghai 200030,China,4 College of Astronautics,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China,5 State Key Lab of Digital Manufacturing Equipment & Technology,Huazhong University of Science and Technology,Wuhan 430074,China,6 State Key Laboratory of Mechanics and Control for Mechanical Structures,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China.Theory and experimental verification of valveless piezoelectric pump with rotatable unsymmetrical slopes[J].Science China(Technological Sciences),2011(11).
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