A thermokinetic model of complex oscillations in gaseous hydrocarbon oxidation

Xiao Jing Wang, Chung Yuan Mou

Research output: Contribution to journalArticlepeer-review


A three variable thermokinetic model of ignition is devised to describe the gas-phase oxidation of hydrocarbons in CSTR. For a single set of thermokinetic parameters, the model displays steady states, bistability, cool flame oscillation, simple ignition oscillation, and complex ignition-cool flame oscillations, when the reactant pressure P and vessel temperature T0 are varied as control parameters. The predicted P-T0 state diagram compares fairly well with the experimental finding for the system of acetaldehyde/oxygen. The model also predicts interesting bifurcation sequences of complex periodic states. The proposed skeleton model is justified qualitatively by considering detailed kinetics in the oxidation of acetaldehyde.

Original languageEnglish (US)
Pages (from-to)4554-4561
Number of pages8
JournalThe Journal of Chemical Physics
Issue number9
StatePublished - 1985

ASJC Scopus subject areas

  • General Physics and Astronomy
  • Physical and Theoretical Chemistry


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