The cyclones, one of the dust collection devices, are used to separate the particles or liquid from the carrier gas by centrifugal forces. They have been widely applied in gas-solid separation for an industrial air cleaning process. In addition to being economical, their simplicity of constructions, lack of moving parts, and adaptation to high pressure and temperature conditions make these devices durable and efficient. On the other hand, in the operation of cyclones, the effects of particle,

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... rrier gas, cyclone dimensions, and other factors are very important operational requirements in determining the cyclone performance. In the cyclone design, the terms of pressure drop, and cut-off diameter determine the cyclone performance. In addition, cyclone geometry plays an important role on changes in pressure drop and cut-off diameter values. In this study, high efficiency standard cyclone geometric structure is studied, and this structure is modelled using Solidworks program. Computational Fluid Dynamics (CFD) was used to determine of cyclone separation performance. In the scope of the study, flow analysis is performed, and cut-off diameters are tried to be determined by using statistical learning methods from the results of the analysis.