Question: Aerosol particles 0.001 inch in diameter with specific gravity 0.8 are to be settled from an air stream. If the settling chamber is 2ft deep,

Aerosol particles 0.001 inch in diameter with specific gravity 0.8 are to be settled from an air stream. If the settling chamber is 2ft deep, what should the residence time be? At the process conditions, ρ_f = 0.08 lb/ft³, ρ_p = (0.8)62.4 = 49.92 lb/ft³, and μ (air) = 0.02 cP.

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