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Suppression of Cup-Burner Diffusion Flames by Super-Effective Chemical Inhibitiors and Inert Compounds.


pdf icon Suppression of Cup-Burner Diffusion Flames by Super-Effective Chemical Inhibitiors and Inert Compounds. (199 K)
Linteris, G. T.

Halon Options Technical Working Conference. Proceedings. HOTWC 2001. Sponsored by: University of New Mexico, Fire Suppression Systems Assoc., Fire and Safety Group, GlobeTech, Inc., Halon Alternative Research Corp., Hughes Associates, Inc., Kidde, plc., Modular Protection, Corp., Next Generation Fire Suppression Technology Program, Sandia National Laboratories, Summit Environmental Corp., Inc. and 3M Specialty Materials. April 24-26, 2001, Albuquerque, NM, Daniels, B. L.; Cole, D. G., Editor(s)(s), 187-196 pp, 2001.

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Keywords:

halon alternatives; diffusion flames; chemical inhibitors; fire suppression; flame inhibition; iron pentacarbonyl; cup burner; organometallics; radical recombination; halons

Abstract:

The effectiveness of the iron compounds Fe(CO)5 and ferrocene ((C5H5)2Fe, Fec) has been observed in premixed Bunsen-type flames as well as in counterflow diffusion flames. Recent work has extended such tests to tetramethyltin (TMT, Sn(CH3)4) and methylcyclopentadienylmanganese tricarbonyl (MMT, C9H7MnO3), both of which are more effective than CF3Br, but less so than Fe(CO)5. No tests with these agents, however, have been done in flames more typical of fires. The present work remedies this deficiency by presenting results for addition of these highly effective agents to cup-burner flames. Not only does the structure of cup burner flames resemble that of fires, but there also exists a large database of previous cup-burner extinction results for comparison with the present data.