96 Summary

The examples discussed in this chapter illustrate that the multilayer approach is not only useful but may also be necessary to develop useful and tractable simulation models of industrial reactors. Computational flow (CFD) models play a crucial role in linking actual reactor hardware to reactor performance. Their ability to extrapolate cold flow results to high temperature and pressure is especially valuable. Judicious use of these computational flow models (1) to understand basic phenomena and (2) for simulation of complex reactors with the help of other modeling layers, will lead to better reactor engineering practices. Details of developing computational flow models for reactors of different types are discussed in the following chapters. The approach illustrated in this chapter may then be adapted to understand the behavior of industrial reactors, in order to (1) enhance the performance of existing reactor hardware or (2) evolve better reactor technologies.

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