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Development of coal combustion sensitivity tests for smoke detectors.

Authors
Edwards-JC; Morrow-GS
Source
Pittsburgh, PA: U.S. Department of the Interior, Bureau of Mines, RI 9551, 1994 Nov; :1-20
Link
NIOSHTIC No.
20039128
Abstract
Standard smoldering and flaming combustion tests using small coal samples have been developed by the U.S. Bureau of Mines as a method to evaluate the response of a smoke detector. The test provides a standard, easily reproducible smoke characteristic for coal smoldering and flaming combustion based upon a comparison of the smoke optical density and the response of a standard ionization chamber to the smoke. With these standard tests, the range of threshold limits for the response of a smoke detector and the detector's reliability can be evaluated for nearly identical smoke visibility and smoke physical characteristics. The detector's threshold response limits and reliability need to be well defined prior to the instrument's use as part of a mine fire warning system for improved mine safety.
Keywords
Coal-mines; Coal-mining; Fire-detection-systems; Fire-hazards; Fire-safety; Laboratory-testing; Mining-equipment; Mining-industry; Sampling-methods; Smoke-detectors; Standards; Warning-devices; Warning-systems
Publication Date
19941101
Document Type
Report of Investigations
Fiscal Year
1995
NTIS Accession No.
PB95-219648
NTIS Price
A03
Identifying No.
RI-9551
NIOSH Division
PRC
Source Name
Pittsburgh, PA: U.S. Department of the Interior, Bureau of Mines, RI 9551
State
PA
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