Abstract
A model is derived from the full equations governing combustion. in which a flame, located near a flameholder, is viewed as a three-dimensional surface of discontinuity in the flow field. Jump conditions for the fluid variables, as well as an expression for the flame speed, are obtained from an asymjtlotic analysis of the detailed structure of the flame. The model is applied to investigate the linear stability of steady plane flames in the presence of heat loss to the flame-holder. Stable flames exist only if the inflow velocity is sufficiently lower than the adiabatic flame speed, and then only in a certain regime of the parameters: Lewis number, heat release, and heat loss.
Original language | English (US) |
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Pages (from-to) | 271-286 |
Number of pages | 16 |
Journal | Combustion science and technology |
Volume | 43 |
Issue number | 5-6 |
DOIs | |
State | Published - Sep 1 1985 |
Externally published | Yes |
Funding
This work was suppo rted by the Appl ied Mathemat ics Program of the Office of Energy Research. U.S. Department of Energy, and the Engineering Energetics Program of the National Science Foundation.
ASJC Scopus subject areas
- General Chemistry
- General Chemical Engineering
- Fuel Technology
- Energy Engineering and Power Technology
- General Physics and Astronomy