Abstract:In this paper, a study of the bifurcation analysis of fermentation of sugar to ethanol in presence of Saccharomyces cerivisiae at very high gravity is described. The bifurcation analysis was done for a concentration 280 gl −1 of sugar, and the dilution rate was taken as the parameter of bifurcation. Two Hopf bifurcations (HB) at 280 gl −1 were found. At dilution rate of 0.027 h −1 the system exhibits damped oscillations and not sustained oscillations as previously reported because the system is close to a poin… Show more
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