Simulation of Density Distribution of Fine Dust in Woodworking Chamber

The time changes of the dust concentrations as well as of the distribution of the particle sizes were predicted by computer simulations, when the drag force, due to the friction between the particles and air, is generated on the particles in free falling. It revealed the influence of shapes of the fine particles on the falling speed, which ware preserved in an image analysis and of the irregular shapes, should be taken into consideration for more correct simulations.

Experimental setup for measuring
airborne dust concentration.

The wood working chamber is of
2.5m by 2.5m square and of 3m height
experimental setup
observed imate of particles shape factors
simulated time changes of airborne dust concentration time change of airborne dust concentration

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