For the following particle size distribution calculate the efficiency of a Lapple standard conventional cyclone with a body diameter of 0.5 m.The particle density is 1400 kg/m3, the gas density is 0.90 kg/m3, the gas viscosity 0.06 kg/m-hr and inlet gas velocity is 30 m/s.

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Storm Sewers and Detention

The storm drains system transports rainwater or stormwater and other runoff from roads, parking lots, and roof downpipes directly to nearby creeks, rivers, or the sea without any treatment.