The study of flexible plate wave device for micro pumping system

Min Chien Tsai, Tzong Shyng Leu

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Citations (Scopus)

Abstract

This paper investigates on micro pumping system, flow field generated by an traveling wave boundary layer, which model is developed for flexural plate wave (FPW) device numerically. In the study, the steady state solution of a FPW pump is most concerned. The velocity profiles and net flow rate for different parameters including frequency, channel height, and wave length are investigated. In this device, it is found that flow field remains periodic. The time averaged velocity profiles over one period become a parabolic velocity profile when the channel height is less than 100μm. When a channel height is higher than 200μm, the time averaged velocity profiles deviate from parabolic velocity profile to a wall-jet type velocity profile. This finding is different from previous study. The acoustic pressure can influence as high as 100 μm channel height. The pressure wave confinement effect in a microchannel with height less than 100 μm is noticed. This research also finds that the flow rate of FPW pump can be controlled by the frequency.

Original languageEnglish
Title of host publicationProceedings of the 2nd IEEE International Conference on Nano/Micro Engineered and Molecular Systems, IEEE NEMS 2007
Pages452-457
Number of pages6
DOIs
Publication statusPublished - 2007 Aug 28
Event2007 2nd IEEE International Conference on Nano/Micro Engineered and Molecular Systems, IEEE NEMS 2007 - Bangkok, Thailand
Duration: 2007 Jan 162007 Jan 19

Publication series

NameProceedings of the 2nd IEEE International Conference on Nano/Micro Engineered and Molecular Systems, IEEE NEMS 2007

Other

Other2007 2nd IEEE International Conference on Nano/Micro Engineered and Molecular Systems, IEEE NEMS 2007
CountryThailand
CityBangkok
Period07-01-1607-01-19

All Science Journal Classification (ASJC) codes

  • Computer Networks and Communications
  • Computer Science Applications
  • Electrical and Electronic Engineering

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