Question: Dust can be separated from a granular material mixture by blowing air vertically up through the mixture so that the dust particles are carried

Dust can be separated from a granular material mixture by blowing air vertically up through the mixture so

Dust can be separated from a granular material mixture by blowing air vertically up through the mixture so that the dust particles are carried away and the heavier material is left behind. Calculate the maximum spherical dust particle diameter that could be separated by a vertical air stream of 10 m/s. Dust relative density is 2.8. P Drag coefficient C 100 10 0.1 0.01 10 100 mm Circular disk || LUUL Sphere 1,000 10,000 100,000 1,000,000 10,000,000 Reynolds number Re = U d/v

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