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International Journal of Turbomachinery, Propulsion and Power, Volume 8, Issue 2
June 2023 - 8 articles
Cover Story: This study describes the methodology of the optimization of a sewage impeller, carried out on a semi-open two-channel impeller with a given volute casing as an example. Based on given boundary conditions, a basic impeller is designed, which is verified by means of numerical simulation. This basic impeller is manufactured and with the help of 3D-printed parts, the contour of the blades is changed through three modifications to improve the clogging behavior by means of artificial wastewater. The clogging behavior is evaluated with a test rig for functional performance. With regard to optical investigations, the clogging behavior is improved following the modifications to finally present an impeller with good efficiency and a low clogging tendency. View this paper
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Int. J. Turbomach. Propuls. Power - ISSN 2504-186X