Microflows and Nanoflows: Fundamentals and Simulation by George Em Karniadakis, Ali Beskok, Narayan Aluru

By George Em Karniadakis, Ali Beskok, Narayan Aluru

Topic region has witnessed explosive development over the past decade and the know-how is progressing at an astronomical fee. earlier variation used to be first to concentration completely on circulation physics inside of microdevices. It bought over 900 copies in North the US considering the fact that 11/01. re-creation is forty percentage longer, with 4 new chapters on fresh subject matters together with Nanofluidics.

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Extra info for Microflows and Nanoflows: Fundamentals and Simulation (Interdisciplinary Applied Mathematics, 29)

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The electronic circuit may be used to adjust the pump flowrate so that a constant flow is maintained in a microchannel. The simulation of the complete system requires models for the micropump, the microflow sensor, and the electronic components associated with the control circuit. Another example of an integrated system is the large-scale integration of microfluidic channels on a chip. 31). These fluidic devices are analogous to electronic integrated circuits fabricated using large-scale integration.

At values of shear rate close to a critical value, such nonNewtonian behavior may propagate into the flow, and in that case even small variations in the wall surface may have a significant effect. It is not clear whether the conditions employed in MD simulations can match the experimental conditions. Experiments in submicron channels and gaps us- 12 1. 9. Summary of results from MD simulations reported in (Thompson and Troian, 1997). The normalized slip length is plotted against the normalized shear rate.

Thermal creep effects can be important in causing variation of pressure along microchannels in the presence of tangential temperature gradients (Fukui and Kaneko, 1988). This mechanism is also significant for transport through porous media in atmospheric conditions (Loeb, 1961; Vargo and Muntz, 1996). 2. Modeling of liquids in microdomains, see Chapters 7–9, requires a different approach. In mesoscopic scales a continuum description suffices (see Chapter 14), whereas in submicron dimensions atomistic modeling is required (see Chapter 16).

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