![]() ![]() ![]() In the present work, a combined experimental and numerical approach is proposed to evaluate the proper setup of wear-resistance plates over the flow path of a large-sized centrifugal fan. In an attempt to preserve the structural integrity of the internal walls, wear-resistant plates are positioned where the impacting contaminants are supposed to be more detrimental. For these reasons, erosion-related issues are difficult predict and reduce. In addition to this, the intensity of the erosion depends on the dynamic characteristics of particles, especially velocity and impact angle. ![]() The process works according to the characteristics of the erodent particles, such as dimension and hardness, which have to be coupled with the mechanical properties of the substrate, like hardness and roughness level. Erosion induces the reduction of mechanical resistance and, at the same time, the modification of the geometry and the surface characteristics of the internal flow path. In many cases, the contamination is due to solid particles responsible for fouling and erosion issues. In industrial applications such as chemical plants, cement factories, and glassmakers, large-sized centrifugal fans are commonly used for dust-laden flow processing.
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June 2023
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