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Y-Channel 마이크로 믹서의 혼합 개선을 위한 연구Study of a Y-Channel Micromixer with Obstacles to Enhancing Mixing

Other Titles
Study of a Y-Channel Micromixer with Obstacles to Enhancing Mixing
Authors
김진욱김상우이도형강형민
Issue Date
Sep-2010
Publisher
대한기계학회
Keywords
Micromixer; Mocrochannel; Mixing Efficiency; Concentration; Optimum Design; 마이크로 믹서; 마이크로 채널; 혼합효율; 농도; 최적설계
Citation
대한기계학회논문집 B, v.34, no.9, pp 851 - 857
Pages
7
Indexed
SCOPUS
KCI
Journal Title
대한기계학회논문집 B
Volume
34
Number
9
Start Page
851
End Page
857
URI
https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/40184
DOI
10.3795/KSME-B.2010.34.9.851
ISSN
1226-4881
2288-5234
Abstract
작은 장치 스케일과 낮은 Reynolds number를 수반하는 마이크로 채널에서의 혼합효율 최대화를 위하여 사각형 장애물을 이용한 Passive 마이크로 믹서의 최적 설계를 수행하였다. 이를 위해 본 연구에서는 구조가 단순한 Y-Channel내부에 사각형 장애물의 개수와 그 크기, 그리고 위치를 변화시켜가면서 비정렬 해석 기법을 이용하여 해석을 수행하였다. 또한 최대 허용 압력 강하값을 제한 조건으로 설정하여 제한조건을 만족하면서 혼합 효율을 최대화하는 Y-Channel 형상의 최적화를 수행하였다. 이를 통하여 2개의 사각형 장애물을 사용할 경우 원형 장애물의 결과와 비교했을 때 최대 2.5% 혼합 효율이 향상됨을 확인하였다.
In this study, an experiment was performed to obtain the optimum design of a passive micromixer for effective mixing by using a microsized device and rectangular obstacles; a low Reynolds number was maintained in the microchannel. The experiment was carried out by varying the number, size, and location of the rectangular obstacles. Further, the Y-channel's shape was optimized for maximizing the mixture ratio, which has limit qualification that an allowed value of pressure drop. The increase in the efficiency of mixing was observed to be greater than that in the case of circular obstacles by approximately 2.5%.
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ERICA 공학대학 (DEPARTMENT OF MECHANICAL ENGINEERING)
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