Page 251 - Dust Explosions in the Process Industries
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Generation of Explosible Dust Clouds 223
r l l l l l l l r l l l
h.
22- /Inifiol distribution ( 430 particles)
Particle size (pm)
Figure 3.1 8 Dislodgement of fly ash particles adhering to a glass substrate in high-velocity airflows
in a 2 mm x 6.4 mm wind tunnel (From Corn and Stein, 196.5).
ITTSBURGH SEAM
OAL ON GLASS
100 -
- 80 -
( n -
\ -
E60
c -
u
-
;40
>
w -
a
B
P
20 -
Figure 3.19 Average air velocity for 75% dislodgement of different sizes of rock and coal particles
from a smooth glass surface in a 51 mm x 76 mm wind tunnel (From Singer et al., 1967).
