Flame Spread Over Paper in an Air Stream With a Velocity Change

[+] Author and Article Information
K. Sato, K. Miki, T. Hirano

Engineering Research Institute, University of Tokyo, Tokyo 113, Japan

J. Heat Transfer 106(4), 707-712 (Nov 01, 1984) (6 pages) doi:10.1115/1.3246742 History: Received October 10, 1983; Online October 20, 2009


The behavior of downward flame spread over a sheet of filter paper during and after an increase in ambient air velocity was examined. It was shown that the behavior depends not only on the free-stream velocity but also on its rate of change. The extinction mechanisms when the free-stream velocity is instantaneously increased from that for steady flame spread to that above the steady flame spread limit are discussed, and the conditions for continued flame spreading in an air stream with a velocity fluctuation are pointed out.

Copyright © 1984 by ASME
Topics: Flames , Mechanisms , Filters
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