 | Nanotech 2009 Vol. 3
Nanotechnology 2009: Biofuels, Renewable Energy, Coatings, Fluidics and Compact Modeling
Chapter 5: Modeling and Simulation of Micro and Nano Systems |
Determination of droplet shape in digital microfluidic systems using two-dimensional flow analysis | |
| Authors: | A. Ahmadi, H. Najjaran, J.F. Holzman, M. Hoorfar |
| Affilation: | University of British Columbia Okanagan, CA |
| Pages: | 351 - 354 |
| Keywords: | digital microfluidics, microdroplet, modeling, contact angle |
| Abstract: | A two-dimensional model for fluid flow in a digital microfluidic system is introduced, and the results are compared to experimental data. Resistive flow effects based upon contact line forces, filler effects and shear forces are applied in the model. It is found that the induced vertical velocity components are critical to the overall motion, as velocity and pressure gradients, together with microdroplet surface deformations, can limit the desired horizontal velocity. These effects are particularly important for digital microfluidic systems characterized by higher Reynolds numbers. |
| ISBN: | 978-1-4398-1784-1 |
| Pages: | 694 |
| Hardcopy: | $179.95 |
| Order: | Mail/Fax Form |
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