Theory of premixed-flame propagation in large-scale turbulence
β Scribed by Clavin, P.; Williams, F. A.
- Book ID
- 120109642
- Publisher
- Cambridge University Press
- Year
- 1979
- Tongue
- English
- Weight
- 347 KB
- Volume
- 90
- Category
- Article
- ISSN
- 0022-1120
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π SIMILAR VOLUMES
The propagation of a premixed flame through a large-scale vortical flow field is studied numerically by solving a front propagation equation governing the evolution of a scalar field whose zero-level surface defines the location of a self-propagating interface. The flame front is considered to propa
A scaling law is proposed that gives the steady-state turbulent flame velocity in the regime where the flame is thin compared with the largest scale of the turbulence, diffusion effects are small compared to the fluid dynamics effects, and the turbulence is driven by the Rayleigh-Taylor instability
The limited experimental data on the turbulent quenching of premixed flames have been scrutinized in the light of our theoretical understanding of the role of flame straining at different Lewis numbers, Le. Somewhat diffidently, two regimes are proposed to define flame quenching: 1l I -->~0.71RL Β°.~