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Pre-Print of Symposium Paper now Available

May 2, 2012 by admin

A pre-print of our symposium paper, “Experimental Study of Upward Flame Spread and Burning of an
Inclined Fuel Surface,” accepted to the 34th International Symposium of the Combustion Institute has now been posted online and can be downloaded here: http://maeresearch.ucsd.edu/~mgollner/publications/2012_inclined_symposium.pdf

Abstract:

A thermally thick slab of polymethyl methacrylate was used to study the effects of the inclination angle of a fuel surface on upward flame spread. While investigation of upward spread over solid fuels has typically been restricted to an upright orientation, inclination of the fuel surface from the vertical is a common occurrence that has not yet been adequately addressed. By performing experiments on 10 cm wide by 20 cm tall fuel samples it was found that the maximum flame-spread rate, occurring nearly in a vertical configuration, does not correspond to the maximum fuel mass-loss rate, which occurs closer to a horizontal configuration. A detailed
study of both flame spread and steady burning at different angles of inclination revealed the influence of buoyancy-induced flows in modifying heat-flux profiles ahead of the flame front, which control flame spread, and in affecting the heat flux to the burning surface of the fuel, which controls fuel mass-loss rates.

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Michael GollnerFollow5,9772,358

Michael Gollner
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27 Mar

Smoke flow produced by smouldering combustion

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24 Mar

Units being released.

Sounds like early indications show a lithium ion battery responsible. (Scooter battery most likely)

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22 Mar

Beautiful work by ⁦@Xiaoyu_Ju⁩ & Yuji Nakamura: New Technique Generates Non-Flickering Flames at Normal Gravity and Atmospheric Pressure. I’ve watched this flickering flame development for years and the results have been fascinating

APS Physics

New Technique Generates Non-Flickering Flames at Normal Gravity and Atmospheric Pressure

Flickering flames are more unstable. Researchers have come up with a novel way to keep them still.

www.aps.org

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