Question: Question Completion Status: D = 40 cm, h = 60 cm, a = 10 mm, b = 25 mm, gas density and viscosity are 1.1

Question Completion Status: D = 40 cm, h = 60 cm, a = 10 mm, b = 25 mm, gas density and viscosity are 1.1 kg/m3 and 4x10-5 kg/m.s respectively. Answer the following questions: (Please note the figures are not drawn to scale) a. Find the effective particle diameter. (4 points) b. If the number of particles in the bed is 9000, calculate the void fraction in the bed. (4 points) c. If the volumetric flow rate is 0.2 m3/s, determine if the flow is laminar or turbulent and state your reason, (5 points) d. If the density of the solid particles is 1200 kg/m3, the minimum fluidization length is the same as the height of the bed and the porosity at minimum fluidization is the same as the void fraction, find the pressure drop at minimum fluidization condition. (3 points) e. What is the power of the pump required to maintain the pressure drop in part (d)? Comment on your (3 points) answer. D Solid Particles Gas Figure 1 A solid particle Figure 2

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