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In integrated process networks, the presence of large flowrates induces a time-scale separation of the dynamics where the individual units evolve in a fast time scale while the overall process evolves in a slow time scale. The slow dynamics of such networks are modeled by a high index differential algebraic equation system which, in the case of cascaded… (More)

This paper addresses the derivation of a non-stiff PDE model for convection-reaction processes where the presence of large reaction rates induces stiffness. The slow dynamics are shown to be modeled by a singular partial differential algebraic system (PDAE) for which an equivalent PDE system is derived. The method is illustrated in a simple example.

- M.-N. Contou-Carrere, Prodromos Daoutidis
- Proceedings of the 2005 IEEE International…
- 2005

This paper considers the control of reaction-convection processes with fast and slow reactions. Such systems are modeled by stiff hyperbolic partial differential equations which are inadequate for controller design. We apply the model reduction method we proposed in (2004) to a representative chemical reaction process to show how the reduced-order model can… (More)

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