We study the convergence behaviour of cyclically operated reactors. Typically, the reactor will converge to a cyclic steady state. However, the determination of this cyclic steady state by dynamical simulation techniques may be so computationally inefficient that model equations need to be oversimplified. Several convergence acceleration techniques are studied and illustrated by two simple systems for pressure swing adsorption. We show that the largest eigenvalue of the Jacobian of the system can be used as a useful criterion in deciding which acceleration method to use.
|Title of host publication||Scientific Computing in Chemical Engineering II: Computational Fuid Dynamics, Reaction Engineering, and Molecular Properties|
|Editors||F.J. Keil, W. Mackens, H. Voss, J. Werther|
|Place of Publication||Berlin|
|Publication status||Published - 1999|