Numerical simulation of droplet dynamic behaviors in a convergent microchannel

Biochip Journal

Volumn 7, Issue 4, 2013, Pages 325-334

  Yan, Ying ^a   Guo, Dan ^a   Luo, Jing ^b   Wen, Shizhu ^a  

^a TSINGHUA UNIVERSITY   (China)

^b INSTITUTE OF AUTOMATION   (China)

Author keywords

Convergent microchannel; Dynamic properties; Microchannel size parameter; Microdroplet coalescence; Numerical simulation

Indexed keywords

COMPUTER SIMULATION; DROPS; MICROFLUIDICS; NAVIER STOKES EQUATIONS; NUMERICAL MODELS;

CHEMICAL AND BIOLOGICALS; DYNAMIC PROPERTY; GEOMETRIC CHARACTERISTICS; MICRO DROPLETS; MICRO FLUIDIC APPLICATIONS; MICRO-FLUIDIC DEVICES; MICROCHANNEL SIZE; MONODISPERSED DROPLET;

MICROCHANNELS;

ARTICLE; DYNAMICS; GEOMETRY; MICROFLUIDICS; SIMULATION; VELOCITY;

EID: 84891882879     PISSN: 19760280     EISSN: 20927843     Source Type: Journal    
DOI: 10.1007/s13206-013-7403-5     Document Type: Article

References (26)

1. Christopher, G. F. et al. Coalescence and splitting of confined droplets at microfluidic junctions. Lab Chip9, 1102-1109 (2009).
2. Chokkalingam, V. et al. Optimized droplet-based microfluidics scheme for sol gel reactions. Lab Chip10, 1700-1705 (2010).
3. Um, E. & Park, J. K. A microfluidic abacus channel for controlling the addition of droplets. Lab Chip9, 207-212 (2009).
4. Teh, S. Y., Lin, R., Hung, L. H. & Lee, A. P. Droplet microfluidics. Lab Chip8, 198-220 (2008).
5. Seemann, R., Brinkmann, M., Pfohl, T. & Herminghaus, S. Droplet based microfluidics. Rep. Prog. Phys. 75, 016601 (2012).
6. Tan, Y. C., Fisher, J. S., Lee, A. I., Cristini, V. & Lee, A. P. Design of microfluidic channel geometries for the control of droplet volume, chemical concentration, and sorting. Lab Chip4, 292-298 (2004).
7. Jin, B. J. & Yoo, J. Y. Visualization of droplet merging in microchannels using micro-PIV. Exp. Fluids52, 235-245 (2012).
8. Kuo, C. Y. & Pan, C. The effect of cross-section design of rectangular microchannels on convective steam condensation. J. Micromech. Microeng. 19, 035017 (2009).
9. Yobas, L., Martens, S., Ong, W. L. & Ranganathan, N. High-performance flow-focusing geometry for spontaneous generation of monodispersed droplets. Lab Chip6, 1073-1079 (2006).
10. Köhler, J. M. et al. Digital reaction technology by micro segmented flow-components, concepts and applications. J. Chem. Eng. 101, 201-216 (2004).
11. Garstecki, P., Stone, H. A. & Whitesides, G. M. Mechanism for flow-rate controlled breakup in confined geometries: A route to monodisperse emulsions. Phys. Rev. Lett. 94, 164501 (2005).
12. Hung, L. H. et al. Alternating droplet generation and controlled dynamic droplet fusion in microfluidic device for CdS nanoparticle synthesis. Lab Chip6, 174-178 (2006).
13. Tan, Y. C., Ho, Y. L. & Lee, A. P. Droplet coalescence by geometrically mediated flow in microfluidic channels. Microfluid Nanofluidics3, 495-499 (2007).
14. Lee, D. & Weitz, D. A. Nonspherical colloidosomes with multiple compartments from double emulsions. Small5, 1932-1935 (2009).
15. Li, J., Chen, H. & Stone, H. A. Breakup of double emulsion droplets in a tapered nozzle. Langmuir27, 4324-4327 (2011).
16. Aubry, G. et al. A multicolor microfluidic droplet dye laser with single mode emission. Appl. Phys. Lett. 98, 111111-111111-3 (2011).
17. Chen, B., Guo, F. & Xiang, H. Visualization study of motion and deformation of red blood cells in a microchannel with straight, divergent and convergent sections. J. Biol. Phys. 37, 429-440 (2011).
18. Jose, B. M. & Cubaud, T. Droplet arrangement and coalescence in diverging/converging microchannels. Microfluid Nanofluidics12, 687-696 (2012).
19. Chokkalingam, V. et al. Template free preparation of mesoporous silica spheres through optimized microfluidics. Chem. Phys. Chem. 11, 2091-2095 (2010).
20. Guo, M. T., Rotem, A., Heyman, J. A. & Weitz, D. A. Droplet microfluidics for high-throughput biological assays. Lab Chip12, 2146-2155 (2012).
21. Leclerc, E., Kinoshita, H., Fujii, T. & Barthès-Biesel, D. Transient flow of microcapsules through convergent divergent microchannels. Microfluid Nanofluidics12, 761-770 (2012).
22. Nguyen, H. B. & Chen, J. C. Effect of slippage on the thermocapillary migration of a small droplet. Biomicrofluidics6, 012809 (2012).
23. Bashir, S., Rees, J. M. & Zimmerman, W. B. Simulations of microfluidic droplet formation using the twophase level set method. Chem. Eng. Sci. 66, 4733-4741 (2011).
24. Leng, C. A., Rowlinson, J. S. & Thompson, S. M. The gas-liquid surface of the penetrable sphere model. Proc. R. Soc. London, Ser. A352, 1-23 (1976).
25. Olsson, E. & Kreiss, G. A conservative level set method for two phase flow. J. Comput. Phys. 210, 225-246 (2005).
26. Olsson, E., Kreiss, G. & Zahedi, S. A conservative level set method for two phase flow II. J. Comput. Phys. 225, 785-807 (2007).