- Author
-
Hesby, I.
|
Larsen, O.
- Title
- Ignition of Dust Layers by Metal Particle Sparks.
- Coporate
- Christian Michelsen Research, Bergen, Norway
- Report
-
CMR-00-F30074,
April 2000,
160 p.
- Keywords
-
dust
|
ignition
|
sparks
|
tests
|
dust explosions
|
smoldering combustion
|
ignition temperature
|
particle size
|
moisture content
|
ignition testing
|
cellulose
|
tobacco
|
burning velocity
|
density effects
- Identifiers
- Dust Explosion Safety in the Process Industries (DESPRO); mechanical sparks; dust layer; statistical records of dust explosions; ignition of dusts by metal particle sparks; parameters involved in the problem; fundamental knowledge; earlier investigations and findings; ignition of and flame/glow propagation in dust layers; grinding wheel apparatus; apparatus and procedure for testing the ability of dust layers to propagate flame or smoldering combustion; apparatus for determination of minimum ignition temperature of a dust layer; grinding wheel-spark test results; Minimum Ignition Temperature (MIT); comparison of the different tests; spark parameters; grind sparks versus single impact sparks
- Abstract
- An experimental investigation was performed to investigate the ability of mechanical sparks to ignite dust layers. This work was performed to understand the high number of accidents attributed to mechanical sparks whereas dust clouds are not easily ignitied directly by such sparks.