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Please use this identifier to cite or link to this item: https://scholars.lib.ntu.edu.tw/handle/123456789/424542
Title: Fluid filling into micro-fabricated reservoirs
Authors: MING-CHANG LU 
Tseng F.-G.
Yang I.-D.
Lin K.-H.
Ma K.-T.
Lu M.-C.
Tseng Y.-T.
MING-CHANG LU 
Keywords: Computational model;Hydrophilic;Micro-reservoir;Surface tension
Issue Date: 2002
Journal Volume: 97-98
Start page/Pages: 131-138
Source: Sensors and Actuators, A: Physical
Abstract: 
This study reports that the success of reservoir-filling strongly depends on the designs of the hydrophilic wall surface and the well shape/size of the flow network. The idea is illustrated both by experiments and numerical simulations: micro-particle-image-velocimetry (£g-PIV) system is setup to monitor the process of a liquid slug moving in and out of the micro-reservoir and numerical computations are performed by solving first principle equations to provide the details of the flow process. The cross-check between measurements and computations validate the computations. Numerical computations solve conservation equations similar to homogeneous flow model used in two phase flow calculation in cooperation with volume-of-fluid (VOF) interface tracking methodology and continuum surface force (CSF) model. The simulations show that wall surface property as hydrophilic/hydrophobic is a dominating factor in filling processes of reservoirs of various shapes. A flow system consisting of micro-channels and micro-wells is fabricated using MEMS technology to demonstrate the filling process and validate numerical simulation. The agreement between measurement and computation helps to fully understand the process.
URI: https://scholars.lib.ntu.edu.tw/handle/123456789/424542
ISSN: 09244247
DOI: 10.1016/S0924-4247(01)00826-3
Appears in Collections:機械工程學系

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