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“V”型无阀压电泵的流阻特性

, PP. 242-246

Keywords: 压电泵,“V”型管,流阻特性,有限元法

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Abstract:

基于扩散/渐缩管流动特性,提出一种用于无阀压电泵的“V”型管,以满足微型全分析系统等应用需求。阐述了“V”型无阀压电泵的结构,对“V”型无阀压电泵内的流阻特性进行理论分析。通过采用有限元法对“V”型管进行模拟计算,研究“V”型管的结构参数对其流阻特性的影响。研究表明:“V”型管的分流角、扩散角以及进口宽度对其流阻特性影响较大,“V”型管的长度对其流阻特性影响较小;较大的“V”型管深度有利于提高泵的效率。

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