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130 kg of uniform spherical particles with a diameter of 60 mm and particle density 1500...

130 kg of uniform spherical particles with a diameter of 60 mm and particle density 1500 kg/m3 are fludised by water (density 1000 kg/m3, viscosity 0.001 Pa s) in a circular bed of cross-sectional area 0.2 m2. The single particle terminal velocity of the particles is 0.98 mm/s and the voidage at incipient fludisation is known to be 0.47. Determine:

The minimum fludised velocity and the bed height at incipient fludisation.                               

The mean fludised bed voidage and height when the liquid flow rate is 2x10-5 m3/s.  

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Amanda K answered 5 months ago
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