Page 760 - Dust Explosions in the Process Industries

index 713

Lycopodium dust concentrations, 35
burning velocities, 277,278-279,281, 335 flame studies, 270-273, 317
duration of electric spark, effect on MIE of, literature survey, 139-140
413 particle size, 30
explosion pressure tests, 535 United States versus Federal Republic of
ignitability and explosibilityproperties, 348 Germany, 23
ignition of, 269, 334,408,409,411,423, 572 Metal sparks
ignition temperature,411 generation of, 420-421, 516
investigatingburning velocity of laminar ignition hazard, 404419, 593
flames of, 245,597,598 Methane
use of, 213,215,408,412 explosion in coal silo at Elkford (1982),
187-1 88
explosion in coal silo at San Bernadino (1984),
Mach number, 217,229 188
Mach-Zehnderinterferometry,319 in hybrid mixtures with dust. effect of 52-53,
Mache-Hebranozzles, 270 54-55
Magnesium Milk powder
burning velocities, 283 literature survey, 134
ignition and combustion, 253-255 research on, 591
literature survey, 138-139 smolderingnests of, 63
Magnetic separators,65 thermal behavior, 403
Maisey venting theory, 460 Milling equipment,protection selectionfor, 128,
Maize starch experiments 129,130-131
bag filters, 44845 1 Minimum electric spark energy. See Min':mum
dispersion, 485 ignition energy (ME)
dust concentration,35, 36 Minimum explosive dust concentration(MEC),
dust clouds, 72, 361, 373 35,304-311,518-525
ignition, 480,518,522,595 below, 621
laminar flame, 597 data, 683, 702
particle size, 29,33,34 experimentaldetermination,304-3 11, 640
on peak pressures of incident shock waves, 586 flame propagation and, 639
suppression systems, 632 hybrid mixtures, 5 1-52
turbulent flame propagation, 600,605,606 industrial, 518-5 19
Mallard-le Chatelier thermal diffusion theory, laboratory tests, 519-524
266,267,283,290,298,300,314,416 GermadSwiss closed bombs, 521
Malted barley dust explosion international standard,possible, 523-524
Norway (1976), 165, 166 Nordtest Fire 011,522-523
Norway (1987), 165, 166 in United States, 519-521
Markstein length of dudair flame, 599 and particle size, 31-32
Materials that can cause dust explosions, 5-7 Minimum ignition energy (ME), 420, 505-508,
Maximum experimental safe gap (MESG),76, 619
346-351,568,594 data, 684, 702
Maximum explosion pressure of dust clouds, 17,451.6,415416,571-572
at constant volunie, 525-533 electrical apparatus design and, 571-574
data, 683. 702-7103 flame propagation velocities and, 598
in hybrid mixtures, 539-540 gas ignition curves and. 572
industrial, 525 in hybrid mixtures, 52-53
laboratory tests, 526-533 laboratory tests, 505-5 13
Mechanical accidental impact ignition hazard, moisture content and, 28
13-14,64-65,515-518 particle size and, 32, 33
Mechanical bulk properties, powder, 485 in premixed gases, 415,416
Mechanical impact and friction sensitivity, research, 593,594,637,638
513-5 15 Minimum ignition temperature,499-504, 559
Metal dust, 6 comparison in different test furnaces, 504
burning velocity, 270-272 dust cloud data, 45.420,421,683,685
combustion of, 7 dust layer data, 702