| Title: | Experiments on flame blow-off |
| Authors: | Kariuki, James Cavaliere, Davide Emiglio Dawson, James Mastorakos, Epaminondas |
| Keywords: | Blow-off Extinction Turbulent flame Spray |
| Issue Date: | 2012 |
| Description: | The extinction behaviour of flames has been extensively studied from an empirical perspective in the past. Recently, with the advent of fast-response laser diagnostics, the temporal evolution of the blow-off process has been visualised and analyzed. The movies below are taken at 5kHz and monitor the OH* chemiluminescence and OH-PLIF of stable and extinguishing flames of various types (premixed, non-premixed, spray). The work has been published in: (1) Dawson, J. R., Gordon, R. L., Kariuki, J., Mastorakos, E., Masri, A. R. and Juddoo, M. (2011) Visualization of blow-off events in bluff-body stabilized turbulent premixed flames. Proceedings of the Combustion Institute 33, 1559-1566. doi:10.1016/j.proci.2010.05.044. (2) Kariuki, J., Dawson, J. R. & Mastorakos, E. (2012) Measurements in turbulent premixed bluff body flames close to blow-off. Combustion and Flame 159, 2589-2607. doi:10.1016/j.combustflame.2012.01.005. (3) Kariuki, J., Cavaliere, D. E., Letty, C. & Mastorakos, E. (2012) A comparison of the blow-off behaviour of swirl-stabilised premixed and spray flames. Presented at the 50th Aerospace Sciences Meeting, AIAA, Nashville, 4-7 January 2012.. (4) Cavaliere, D.E., Kariuki, J. & Mastorakos, E. (2012) A comparison of the blow-off behaviour of swirl-stablized premixed, non-premixed and spray flames. Submitted to Flow, Turbulence and Combustion. |
| URI: | http://www.dspace.cam.ac.uk/handle/1810/243895 |
| Appears in Collections: | Ignition and extinction of turbulent flames |
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