# Fluidisation Air of a density of 0.716 kg/m 3 and viscosity of 2.66-10 -5 Pa's is passing

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## Question:

Fluidisation Air of a density of 0.716 kg/m^{3} and viscosity of 2.66-10^{-5} Pa's is passing through spherical sand particle bed of a density of 2290 kg/m^{3} and an average X_{sv}, of 0.43 mm. At incipient fluidization, the bed height is 0.25 m and the apparent bed density is 820 kg/m . Determine the U_{mf }and pressure drop. Validate your calculation.

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