The distribution of air-borne dust concentration in a model woodworking chamber caused by fine particles in freefall was predicted using a numerical method. The time change of A.D.C. was analyzed taking the influence of the complicated particle shape on their falling behavior into account.
and Shape factors
The tempo of free fall depends
not only on the didameter but also
the shape of the particle.
|Simulated time changes of
airborne dust concentration in
comparison with measured value
A.D.C was simulated for different
equivalent particle diameter dk.
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