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Predicting materials' ease of combustion: development of a simple test method.

Authors
De Rosa-MI; Litton-CD
Source
Pittsburgh, PA: U.S. Department of the Interior, Bureau of Mines, RI 9398, 1992 Jan; :1-9
NIOSHTIC No.
10011117
Abstract
The U.S. Bureau of Mines conducted experiments for predicting materials' ease of combustion (smoldering onset, smoldering, flaming, and decomposition rates) by means of submicrometer smoke particle characteristics for the development of a simple test method. The experiments were carried out in an approximately 20-L furnace, with a 10-L/min airflow through the furnace for a 14-min duration, and set furnace temperatures of 150, 250, and 1,000 deg C. The variables studied as a function of time were the onset time of smoke particles, time and duration of maximum smoke particle generation, average concentration of smoke particles, and particles' average diameter, mass weight loss, and furnace temperatures. Results show that the onset time of smoke particles is predictive of materials' ease of smoldering, and the time of maximum smoke particle generation and its duration, coupled with mass weight loss, are predictive of materials' ease of smoldering and flaming (depending on the experimental temperatures), and decomposition rates.
Keywords
Combustible-materials; Analytical-methods; Fire-prevention; Mining-industry; Underground-mining; Mine-fires; Coal-mining
Contact
NIOSH, Pittsburgh Research Laboratory, P.O. Box 18070, Pittsburgh, PA 15236
Publication Date
19920101
Document Type
Report of Investigations
Fiscal Year
1992
NTIS Accession No.
PB92-185867
NTIS Price
A03
Identifying No.
RI-9398
NIOSH Division
PRC
Source Name
Pittsburgh, PA: U.S. Department of the Interior, Bureau of Mines, RI 9398
State
PA
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