미소 채널의 형상변화에 의한 혼합효율에 관한 수치 해석적 연구

윤준용; 한규석; 변성준; Joon-Yong Yoon; Gyu-suk Han; Sung-Joon Byun

Journal of the Korean Industrial and Engineering Chemistry, Vol.16, No.2, 275-281, April, 2005

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미소 채널의 형상변화에 의한 혼합효율에 관한 수치 해석적 연구

Numerical Analysis on Mixing Efficiency in a Micro-channel with Varied Geometry

윤준용^†, 한규석, 변성준

한양대학교 기계공학과

Joon-Yong Yoon^†, Gyu-suk Han, and Sung-Joon Byun

Department of Mechanical Engineering, Hanyang University, kyounggi-do 425-791, Korea

E-mail:

초록

본 연구에서는 격자 볼츠만 방법 중 Scalar Passive 코드를 사용하여 미소채널 내에서의 수동형 믹서의 혼합에 대하여 계산을 수행하였다. 미소채널 내에서의 수동형 믹서의 혼합에 대하여 유선과 압력분포를 통해 혼합과 압력 강하를 물리적으로 규명하였으며, 혼합에 영향을 주는 인자에 대해서 알아보았다. 수동형 믹서의 경우 고정물의 간격보다는 고정물의 개수와 고정물의 크기가 혼합효율과 압력강하에 큰 영향을 주었다.

In this work, Scalar Passive code in Lattice Boltzmann Method was employed to simulate mixing performance of Passive mixer in a micro-channel. It physically analyzed stream line and Pressure drop for passive mixer in a micro-channel. The flow characteristics in a micro-channel was a function of Peclet number. The results indicated that the size of static element was more effect on the mixing than the number of static element and the distance of static elements.

Keywords:micro-mixer;two-phase mixing;passive mixer;mixing efficiency;Lattice Boltzmann method

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[1] Choe J, Kwon Y, Kim Y, Song HS, Song KH, J. Korean Ind. Eng. Chem., 20, 2 (2003)

[2] Stroock AD, Dertinger SKW, Ajdari A, Mezic I, Stone HA, Whitesides GM, Science, 295, 647 (2002)

[3] Kim MC, Kim S, Park SS, Park HD, J. Korean Ind. Eng. Chem., 9, 5 (2002)

[4] Liu RH, Mark AS, Kendra VS, Michael GO, Juan GS, Ronald JA, J. MEMS., 9, 2 (2000)

[5] Lu LH, Ryu KS, Liu C, J. Micro Electro Mechanical Systems, 11, 5 (2002)

[6] Ukita H, IEEE, 8, 1 (2002)

[7] Wong SH, Bryant P, Michael Ward, Christopher Wharton, Sensors and Actuators B95, 414 (2003)

[8] Johnson TJ, Ross D, Locascio LE, Anal. Chem., 74, 45 (2002)

[9] Wang H, Iovenitti P, Smart Mater. Struct., 11, 662 (2002)

[10] Yang ZL, Dinh TN, Nourgaliev RR, Sehgal BR, Heat Mass Transf., 36, 295 (2000)

[11] Mohamed Gad-el-Hak, Flow physics in MEMS, Mec. Ind, 2, 313, 2 (2001)

[12] Kang HK, Tsutahara M, Ro KD, Lee YH, KSME Int. J., 17(12), 2034 (2003)

[13] Sauro Succi, The Lattice Boltzmann Equation for Fluid Dynamics and Beyond, Clarendon PressㆍOxford, 66 (2001)

[14] Shan X, Phys. Rev. E, 55, 2780 (1996)

[15] Holman JP, Heat Transfer, Mcgraw-Hill Companies, Ins., 8th Ed, 683 (2000)

[16] Jeon NL, Dertinger SKW, Chiu DT, Choi IS, Stroock AD, Whitesides GM, Langmuir, 16(22), 8311 (2000)

[17] Nguyen NT, Werelsy ST, Fundamentals and Applications of Microfluidics, Artech House, INC, 42 (2002)