Abstract
1. The possibility of determining the detonation stability of liquefied gases in a type IT9 unit,with evaluation according to the octane-heptane scale has been demonstrated. 2. The actual detonation stability of individual hydrocarbons has been determined, and it has been demonstrated experimentally that the octane number of a mixture is equal to the sum of the products of the octane numbers of the components by their volumetric concentrations. The above conclusion is valid for normal and isomeric hydrocarbons of the paraffin and olefin series (ethylene was not subjected to experimental verification in view of its limited content in the mixtures produced). 3. The sensitivity of liquefied gases of the paraffin series increases with a decrease in the number of carbon atoms and considerably exceeds the sensitivity of liquid hydrocarbons of the same series. This must be taken into account with their use as fuels for internal combustion engines. 4. It has been shown that mixtures of liquefied gases, produced in gas- and oil-refining plants, are high-quality motor fuel.
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