CFD als Designtool für Festbettreaktoren mit kleinem Rohr-zu-Pelletdurchmesser-Verhältnis: Heute oder in Zukunft? CFD as a Design Tool for Fixed-Bed Reactors with Small Tube-to-Pellet Diameter Ratio: Now or in the Future?

Fixed-bed reactors with small ratio of tube to pellet diameter ( D/ dp= N) are applied especially for highly exothermic or endothermic reactions. In this contribution, aspects of an algorithm-based approach are investigated, which models spatially resolved fixed-bed reactors with small N. This approach is compared with experimental data in terms of bed morphology, resulting velocities, heat transfer, and heterogeneous catalysis. Finally, the question is discussed whether CFD can be applied as a design tool for small N fixed-bed reactors. [ABSTRACT FROM AUTHOR]