With fast development of microfluidic systems, micro-mixing becomes a very important issue. Various attempts have been made to develop passive and active micromixers, wherein the mixing efficiency is mainly dependent on the diffusion coefficient and diffusion mechanism. This paper reports modeling and fabrication of a 3D micromixer based on the principle of sequential lamination for efficient mixing. Simulation of the square tube geometry with varying inlet velocity was performed. The improvement in the mixing efficiency is attributed to the increase in the contact surface between the different fluids decreasing the diffusion path in order to improve the molecular diffusion. The design approach in the present case is also supported by analytical treatment which indicates superiority of 2D transverse flows while designing a micromixer. The optimized parameters from CFD simulation were used for fabrication of the micromixer by standard photolithographic and soft lithographic techniques.
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ASME 2011 9th International Conference on Nanochannels, Microchannels, and Minichannels
June 19–22, 2011
Edmonton, Alberta, Canada
Conference Sponsors:
- Heat Transfer Division
ISBN:
978-0-7918-4464-9
PROCEEDINGS PAPER
Development and Analytical Treatment of 3-D Passive Mixromixer for Enhanced Microfluidics Reactions
Suresh Gosavi,
Suresh Gosavi
University of Pune, Pune, India
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Aniket Tekawade,
Aniket Tekawade
Birla Institute of Technology and Science, Pilani, India
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Dhananjay Bodas,
Dhananjay Bodas
Agharkar Research Institute, Pune, India
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Sukratu Barve,
Sukratu Barve
University of Pune, Pune, India
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Laurent Robert,
Laurent Robert
FEMTO-ST/LPMO, CNRS UMR 6174, Besanc¸on, France
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Chantal Khan-Malek
Chantal Khan-Malek
FEMTO-ST/LPMO, CNRS UMR 6174, Besanc¸on, France
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Suresh Gosavi
University of Pune, Pune, India
Aniket Tekawade
Birla Institute of Technology and Science, Pilani, India
Dhananjay Bodas
Agharkar Research Institute, Pune, India
Sukratu Barve
University of Pune, Pune, India
Laurent Robert
FEMTO-ST/LPMO, CNRS UMR 6174, Besanc¸on, France
Chantal Khan-Malek
FEMTO-ST/LPMO, CNRS UMR 6174, Besanc¸on, France
Paper No:
ICNMM2011-58263, pp. 195-201; 7 pages
Published Online:
May 11, 2012
Citation
Gosavi, S, Tekawade, A, Bodas, D, Barve, S, Robert, L, & Khan-Malek, C. "Development and Analytical Treatment of 3-D Passive Mixromixer for Enhanced Microfluidics Reactions." Proceedings of the ASME 2011 9th International Conference on Nanochannels, Microchannels, and Minichannels. ASME 2011 9th International Conference on Nanochannels, Microchannels, and Minichannels, Volume 2. Edmonton, Alberta, Canada. June 19–22, 2011. pp. 195-201. ASME. https://doi.org/10.1115/ICNMM2011-58263
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