Usability of cyclone separators as air filters in vehicles

This study deals with the use of cyclone separators as air filters in light or heavy duty vehicles. Cyclone separators were compared with the conventional air filters, which provide low particle collection efficiency with high pressure drop, and these characteristics are made worse by contamination. By taking into account the related studies in the literature, tangential inlet cyclones were considered in this comparison. The pressure drop and particle collection efficiency in the proposed tangential inlet cyclone were computed by using the mathematical models given in the literature. Comparison of the computed results of the cyclone with the conventional air filters demonstrated that the tangential inlet cyclones are advantageous because of low pressure drop and high particle collection efficiency and can be used as main or pre-filters in vehicles.

[1]  Marty A. Barris.  Total Filtration ™: The Influence of Filter Selection on Engine Wear, Emissions, and Performance , 1995 .

[2]  W. D. Griffiths,et al.  Computational fluid dynamics (CFD) and empirical modelling of the performance of a number of cyclone samplers , 1996 .

[3]  John B. Heywood,et al.  Internal combustion engine fundamentals , 1988 .

[4]  Lian-Ze Wang,et al.  Numerical Study of Gas Phase Flow in Cyclones with the Repds , 2004 .

[5]  D. J. Hall,et al.  A wind tunnel evaluation of the physical sampling efficiencies of three bioaerosol samplers , 1994 .

[6]  K. W. Lee,et al.  Experimental Study of Particle Collection by Small Cyclones , 1990 .

[7]  K Madhusudhan,et al.  A new cyclone separator-based pre-filter design for internal combustion engine applications. Part 2: Parametric study and optimization , 2006 .

[8]  K. W. Lee,et al.  EXPERIMENTAL STUDY ON SMALL CYCLONES OPERATING AT HIGH FLOWRATES , 1999 .

[9]  Irfan Karagoz,et al.  Effects of flow and geometrical parameters on the collection efficiency in cyclone separators , 2003 .

[10]  F. Kaya,et al.  CFD investigation of the flow and heat transfer characteristics in a tangential inlet cyclone , 2007 .

[11]  K. T. Whitby,et al.  The Aerosol Size Distribution of Los Angeles Smog , 1972 .

[12]  Murray E. Moore,et al.  Performance modeling of single-inlet aerosol sampling cyclones , 1993 .

[13]  Ahmadun Fakhru’l-Razi,et al.  The influence of temperature and inlet velocity on cyclone pressure drop: a CFD study , 2004 .

[14]  Irfan Karagoz,et al.  Modelling of the Pressure Drop in Tangential Inlet Cyclone Separators , 2005 .

[15]  C. E. Lapple,et al.  Flow Pattern and Pressure Drop in Cyclone Dust Collectors , 1939 .