On numerical simulation of flow through oil filters

Authors:
Oleg Iliev;Vsevolod Laptev
Affiliations:
Fraunhofer Institut für Techno und Wirtschaftsmathematik, Germany;Fraunhofer Institut für Techno und Wirtschaftsmathematik, Germany
Venue:
Computing and Visualization in Science
Year:
2004

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Abstract

This paper concerns numerical simulation of flow through oil filters. Oil filters consist of filter housing (filter box), and a porous filtering medium, which completely separates the inlet from the outlet. We discuss mathematical models, describing coupled flows in the pure liquid subregions and in the porous filter media, as well as interface conditions between them. Further, we reformulate the problem in fictitious regions method manner, and discuss peculiarities of the numerical algorithm in solving the coupled system. Next, we show numerical results, validating the model and the algorithm. Finally, we present results from simulation of 3-D oil flow through a real car filter.