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One of the methods for filtering intake air in internal combustion engines is the use of dedusting systems. Complex multi-stage filtration and dust separation systems are commonly found in working machines. Currently, dedusters are used in various forms, with the simplest classification being into dry and wet dedusters. One type of dry dust separator is a system based on centrifugal concentrators. These systems allow for the separation of dust particles with sizes reaching 5–8 [μm], with an efficiency of 55%.This article describes a method for evaluating the dedusting effectiveness of systems based on centrifugal concentrators. It presents the concept of a separator test stand designed to improve the efficiency of this type of separator and to gain new knowledge in the field of computational fluid dynamics (CFD)—including expertise in numerical simulations using a multiphase flow model and correlating CFD results with a real-world object. Preliminary numerical research results are also presented.