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Dynamics of Unconfined Spherical Flames

Using the soap bubble technique, we visualize the dynamics of unconfined hydrogen-air flames using high speed schlieren video. We show that for sufficiently weak mixtures, i.e., low flame speeds, buoyancy effects become important.

For more information: http://detonationlab.blogspot.ca/2012/11/influence-of-buoyancy-in-unconfined.html