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SETTING A NEW MILESTONE IN FILTER MEDIA DESIGN : SIMULATING PERFORMANCE ACCORDING TO MULTI PASS TEST BASED ON 3 D FIBER STRUCTURES

The performance of filter media for automotive oil filtration is determined according to the Multi Pass test procedure ISO 4548-12. Simulating the Multi Pass test has been an elusive challenge in the past, due to the lack of appropriate models for the loading kinetics of the entire media. For years, simulation of loading single fiber structures is promising to solve the issue by detailed build-up of particulate structures. Recent progress in the software development of GeoDict/FilterDict and the implementation of MANN+HUMMEL’s filtration knowledge have led to successful simulations of the performance of a virtual media according to the Multi Pass test. The results closely correspond to measured data on the test rig. Thus, the former elusive goal has been reached and a new milestone in virtual filter media design has been set.