CHE204 (Term 051) Homework#5 Due: Mon. Nov 28, 2005 1. A liquid ( μ = 600 kg.m/s and ρ = 1300 kg/m 3 ) flows through a bed packed with sand. The bed has a diameter of 38 mm and a length 16 mm. The mass flow rate of the liquid through the bed is 5 x 10-4 kg/s. Calculate the pressure drop through the packed bed if the sand particles have a mean diameter of 0.7 mm and ε = 0.38. 2. Coal particles are to be burned at atmospheric pressure in a fluidized bed. The density of coal is approximately 1000 kg/m 3 . The mean particle diameter is 0.074 mm and the gas, mostly air, has a viscosity = 10-4 kg.m/s. Calculate the minimum fluidization
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