Abstract
The multiple steady states of a monolith catalytic reactor are considered
with particular emphasis on whether a stable intermediate steady
state exists involving incomplete combustion of the fuel. The existence
of such a stable state, which has been observed in the different
geometry of a catalytic pellet by Harold and Luss1, has immediate
consequences for the use of these devices in a mode designed for
clean combustion, when the emission of unburnt fuel may be unacceptable.
Computations using numerical continuation methods reveal the existence
of such states in regions of parameter space of practical interest.
Additionally, large amplitude oscillations, originating in Hopf bifurcations
from steady solutions, are found, again consistent with previous
observations.
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