A numerical study of the nozzle/diffuser micro-pump

Kai Shing Yang*, Ing Young Chen, Kuo Hsiang Chien, Chi-Chuan Wang

*Corresponding author for this work

研究成果: Conference contribution同行評審

4 引文 斯高帕斯(Scopus)

摘要

This study numerically investigated the performance of micro nozzle/diffuser pump subject to the influence of frequency, opening angle, and amplitude. It is found that the net flowrate of a micro-pump increased with pumping frequency and opening angle. However, a level off phenomenon of the net flowrate vs. amplitude is seen at an amplitude nearby 150∼200 μm and at an opening angle above 10 degree. This phenomenon is associated with two factors that compensate with each other. One is the free jet flow from the outlet that overturns and blocks the flow from the inlet. The other is the reduction of the strength of jet flow at a larger amplitude owing to effective increase of cross sectional area.

原文English
主出版物標題Proceedings - 2004 International Conference on MEMS, NANO and Smart Systems, ICMENS 2004
編輯W. Badawy, W. Moussa
頁面104-109
頁數6
DOIs
出版狀態Published - 1 十二月 2004
事件Proceedings - 2004 International Conference on MEMS, NANO and Smart Systems, ICMENS 2004 - Banff, Alta., Canada
持續時間: 25 八月 200427 八月 2004

出版系列

名字Proceedings - 2004 International Conference on MEMS, NANO and Smart Systems, ICMENS 2004

Conference

ConferenceProceedings - 2004 International Conference on MEMS, NANO and Smart Systems, ICMENS 2004
國家Canada
城市Banff, Alta.
期間25/08/0427/08/04

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