Transient ignition of a combustible by a hot body

T. Y. Xiong, C. K. Law

Research output: Contribution to journalArticlepeer-review

3 Scopus citations


The ignition and ignitability characteristics of a combustible mixture by a hot body of finite dimension and thereby heat capacity is studied by using matched asymptotic analysis in the limit of large activation energy, allowing for reactant consumption and the gradual cooling down of the body. It is shown that the system is governed by only a few parametric groupings whose physical significance is discussed. Furthermore, a set of universal ignitability limit curves can be identified for a given fuel-oxidizer system, allowing for generalized representation and exploration.

Original languageEnglish (US)
Pages (from-to)889-892
Number of pages4
JournalAIAA journal
Issue number6
StatePublished - Jun 1985
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Aerospace Engineering


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