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Electric Arcing At High Voltage During Methane-air Explosions Inside Explosion-proof Enclosures.

Authors
Scott-LW; Dolgos-JG
Source
MISSING :9 pages
Link
NIOSHTIC No.
10002563
Abstract
The problem of electric arcing at high voltage during methane-air explosions in explosion-proof enclosures was investigated by the Bureau of Mines, with the following conclusions: (1) the mixture at which arcing is most likely to occur is approximately 9.8 pct methane-air at any given voltage and conductor spacing; (2) arcing will occur before there is any appreciable pressure buildup; and (3) conductor spacings presently required in normal atmosphere are not sufficient when there is the possibility of a methane-air explosion. This report presents information on the clearances between energized conductors, which, in a series of experiments, did prevent arc discharges from occurring as methane-air explosions took place in an explosion-proof enclosure.
Publication Date
19820101
Document Type
IH;
Fiscal Year
1982
NTIS Accession No.
NTIS Price
Identifying No.
TPR 115
NIOSH Division
PRC;
Source Name
MISSING
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