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The transition from spinning to radial solid flame waves

โœ Scribed by J.H. Park; A. Bayliss; B.J. Matkowsky

Book ID
104349674
Publisher
Elsevier Science
Year
2004
Tongue
English
Weight
566 KB
Volume
17
Category
Article
ISSN
0893-9659

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โœฆ Synopsis

we describe computations of various propagating wave modes in a cylinder of radius R modeled by an array of interacting 1D rods in a reaction-diffusion model of solid flames. For sufficiently small and sufficiently large R, the model exhibits planar uniformly propagating combustion waves.

Spin modes, characterized by hot spots spinning periodically around the cylinder, occur for small R, and radial modes, periodically oscillating solutions independent of the cylindrical angle occur for larger R. We describe the transition from spin 'co radial modes via a family of quasi-periodic modes.

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Observations on the transition from flam
Observations on the transition from flame liftoff to flame blowout
โœ Donghee Han; M.G. Mungal ๐Ÿ“‚ Article ๐Ÿ“… 2000 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 540 KB

The transition from flame liftoff to flame blowout of a non-premixed turbulent jet flame was observed by comparing a stable lifted flame with a lifted flame near blowout. The near-blowout condition was achieved by changing the coflow speed of a lifted flame in coflow. The velocity field at the flame