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Determination of Hopf bifurcation sets of a chemicalreactors by two-parameter continuation method

Berezowski Marek

Chemical and Process Engineering

2020

Vol. 41, nr 3

221-–227

A two-parameter continuation method was developed and shown in the form of an example, allowingdetermination of Hopf bifurcation sets in a chemical reactor model. Exemplary calculations weremade for the continuous stirred tank reactor model (CSTR). The set of HB points limiting the rangeof oscillation in the reactor was determined. The results were confirmed on the bifurcation diagramof steady states and on time charts. The method is universal and can be used for various models ofchemical reactors.

A method of suppressing chaos in a chemical reactor and the use of chaos for identifying the reactor model

Berezowski Marek

Chemical and Process Engineering

2019

Vol. 40, nr 3

265–-272

A method of suppressing chaotic oscillations in a tubular reactor with mass recycle is discussed. The method involves intervention in the temperature of the input flow by the recirculation flow and the temperature set from the exterior. The most advantageous solution was proved to be heat coupling elimination and maintenance of the reactor input temperature on the set level. Moreover, the reactor modelwas identified on the basis of a chaotic solution, as it provides the biggest entropy of information.