Flame ball

Flame balls refer to stationary premixed flame, spherical flame structures that exists due to the balance between radiant heat loss and diffusive-thermal effects. These flame balls are observed typically in microgravity environments where buoyancy effects are negligible and for highly diffusive fuels such as hydrogen that can promote diffusive-thermal effects. The theoretical development of flame ball was carried out by John D. Buckmaster and Guy Joulin.^[1]^[2]^[3]

References

^ Ronney, P. D. (1990). Near-limit flame structures at low Lewis number. Combustion and Flame, 82(1), 1-14.
^ Buckmaster, J., Joulin, G., & Ronney, P. (1990). The structure and stability of nonadiabatic flame balls. Combustion and Flame, 79(3-4), 381-392.
^ Clavin, P., & Searby, G. (2016). Combustion waves and fronts in flows: flames, shocks, detonations, ablation fronts and explosion of stars. Cambridge University Press.

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[1] Ronney, P. D. (1990). Near-limit flame structures at low Lewis number. Combustion and Flame, 82(1), 1-14.

[2] Buckmaster, J., Joulin, G., & Ronney, P. (1990). The structure and stability of nonadiabatic flame balls. Combustion and Flame, 79(3-4), 381-392.

[3] Clavin, P., & Searby, G. (2016). Combustion waves and fronts in flows: flames, shocks, detonations, ablation fronts and explosion of stars. Cambridge University Press.

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