Abstract
IT is well known that anti-knocks in concentrations of 0.1–0.2 per cent are capable of eliminating detonation completely, whilst they are without influence on the normal combustion regime. This is explicable on the chemical theory of detonation1,2,3, according to which detonation can only occur if an intense oxidation reaction has had time to start in the unburnt mixture. The organic peroxides formed in this stage alter considerably the kinetic parameters and facilitate the production of a detonation wave. Anti-knocks break the reaction chains and hence increase the induction period, thus allowing the mixture to burn before a sufficient concentration of peroxides has been accumulated.
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BELOV, A., NEUMANN, M. Anti-Knocks and Pro-Knocks in the Combustion of Fuels. Nature 139, 798–799 (1937). https://doi.org/10.1038/139798b0
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DOI: https://doi.org/10.1038/139798b0
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