A cyclone has an outside diameter of 1 m and a rectangular inlet (Height = 0.4 m and Width = 0.2 m). The gas flow rate is 2.4 m3/s (85 ft3/s) carrying particles with a density of 2,000 kg/m3. (a) Demonstrate the gas flow velocity inside the cyclone is equal to 30 m/s; (b) Determine the cut diameter with N = 5 and viscosity of air = 1.8 ´ 10-5 kg/m•s; (c) Estimate its removal efficiency for particles with diameter = 3μ

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