1. 郑州大学力学与安全工程学院
2. 郑州大学产业技术研究院
纸质出版:2025
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豆帅威, 张玉东, 韩豪施, 等. 纳米通道气体流动的实验研究[J]. 传感器与微系统, 2025,(3):54-57.
豆帅威, 张玉东, 韩豪施, 等. 纳米通道气体流动的实验研究[J]. 传感器与微系统, 2025,(3):54-57. DOI: 10.13873/J.1000-9787(2025)03-0054-04.
微纳米尺度下气体的流动表现出很强的非连续性和非平衡性。认识微纳米尺度下气体的流动特性,对于微型气体传感器等的开发具有重要的指导意义。本文基于双罐系统结合定容法和真空技术,设计搭建了微纳米尺度气体流动测量装置,并对装置进行标定。基于该装置,对收敛型纳米通道内气体流动特性进行研究。结果表明,该装置得到的纳米通道内气体质量流率随着通道两端压力比的增大而线性增加,与动理学理论的结果具有一致性,但实验测量值显著高于理论值,说明采用漫反射边界的动理学理论结果低估了纳米通道内气体的质量流率。
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