Ignition of a reactive material by hot gases
Technical Report
·
OSTI ID:7307793
An asymptotic analysis is developed, describing ignition of a reactive solid suddenly exposed to hot gases. It is found that in the limit of high activation energy of the Arrhenius exothermic reaction, the chemical heat release occurs in a thin diffusive-reactive layer near the surface. The solution for this inner layer is then matched to the solution for the outer transient-diffusive region. An explicit formula for the ignition time is obtained.
- Research Organization:
- Instituto Nacional de Tecnica Aerospacial, Madrid (Spain)
- OSTI ID:
- 7307793
- Report Number(s):
- AD-A-034858
- Country of Publication:
- United States
- Language:
- English
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