Article citation info: (*) Tekst artykułu w polskiej wersji językowej dostępny w elektronicznym wydaniu kwartalnika na stronie www.ein.org.pl DZIUBAK T, SZWEDKOWICZ S. Operating properties of non-woven fabric panel filters for internal combustion engine inlet air in single and two-stage filtration systems. Eksploatacja i Niezawodnosc - Maintenance and Reliability 2015; 17 (4): 519-527
Properties of filtering materials used as porous barriers in air cleaners of motor vehicles have been analyzed in the paper. Relations that determine the filter life have been analyzed and the coefficient of dust absorption km of the filtering material has been determined. Methodology of research has been presented of a study air filter element made of filtering fiber used as a second filtering stage downstream of a single continuous cyclone. The results of the investigations into the characteristics of efficiency, accuracy and drag of the filtering fiber for different filtering rates have been discussed. Dust absorption coefficients km have been determined. Changes in the granulometric composition of dust downstream of the investigated filtering element have been presented. Benefits resulting from the application of a two-stage air filtering method have been indicated.
Properties of filtering materials used as porous barriers in filter elements of motor vehicle air cleaners have been analyzed. Criteria of fiber and paper selection for the filter elements have been presented. A relation showing the filter life and a coefficient of dust absorption km of filtering materials have been presented. A methodology of research of the fiber filter element characteristics has been developed. Results of investigations of the characteristics of efficiency, filtering accuracy and drag of the filtering fiber operating at different filtering rates have been presented. The coefficients of dust absorption km of the filtering fiber have been determined. Changes in the granulometric properties of dust in the airflow downstream of the filtering fiber and paper have been presented.
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