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 | Nanotech 2002 Vol. 1
Technical Proceedings of the 2002 International Conference on Modeling and Simulation of Microsystems
Chapter 2: Micro and Nano Fluidic Systems |
| | Viscous Dissipation Effects For Liquid Flow In Microchannels | | Authors: | B. Xu, K.T. Ooi, C. Mavriplis and M.E. Zaghloul | | Affilation: | Nanyang Technological University,, Singapore | | Pages: | 100 - 103 | | Keywords: | viscous dissipation, microfluidics | | Abstract: | Different phenomena have been observed in various works indicating that the mechanisms of flow and heat transfer in microchannels are still not understood clearly. There is little experimental data and theoretical analysis in the literature to elucidate the mechanisms. It is reasonable to assume that, as the dimensions of flow channels approach the micro-level, viscous dissipation could be too significant to be neglected due to a high velocity gradient in the channel. Thus, deviations from predictions using conventional theory that neglects viscous dissipation could be expected. In this paper, the effects of viscous dissipation in microchannel flows are analyzed and examined theoretically. A criterion to draw the limit of the significance of the viscous dissipation effects in the microchannel flows is suggested based on the present analysis. |  | View paper | | ISBN: | 0-9708275-7-1 |
| Pages: | 764 |
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