Nano Science and Technology Institute
Nanotech 2001 Vol. 1
Nanotech 2001 Vol. 1
Technical Proceedings of the 2001 International Conference on Modeling and Simulation of Microsystems
Chapter 6: Micro and Bio Fluidics

Efficient Numerical Methods for the Simulation of Flow Reactors

Authors:R. Becker, M. Braack, V. Heuveline and R. Rannacher
Affilation:University of Heidelberg, DE
Pages:194 - 197
Keywords:flow reactors, finite elements, low-Mach number ow, hp-method
Abstract:We describe recent developments in the design of numerical methods for the simulation of heat transport and chemical processes in ow reactors. For viscous ow in the low-Mach-number regime, we use a stable finite element method for discretizing the compressible Navier-Stokes equations which is oriented by the incompressible limit case. The ow and chemical equations are solved as a fully coupled system by an adaptive defect correction method. This approach is illustrated by several examples of ow reactors including a case with steep temperature gradients. The eÆciency and predictive capability of our codes are verified by comparison with traditional ad-hoc methods and experimental data.
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