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The standard A.S.T.M. method has been used to determine
comparative spontaneous-ignition characteristics of 29 hydrocarbons
and aviation fluids. Reasonable correlation is found with results
from more precise methods. Ignition temperature levels are similar
in the case of paraffins, olefins, and naphthenes, but are slightly
higher with alcohols, and much higher with aromatics. Ignition
temperature of petroleum-based aviation fluids show a general
reduction with increase in specific gravity.
This note includes work reported in a thesis submitted by
F/O. P. Susilvorn, R.T.A.F., in June, 1957 (ref.7), as part of
the requirements for the award of the Diploma of the College of
Aeronautics, the research being under the supervision of the
author. |
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