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An Exact Solution of Interception Efficiency Over an Elliptical Fiber Collector

An exact solution for the interception efficiency of a particle carried by potential flow over an elliptical fiber acting as the collector has been developed based on the Zhukovsky conversion. It is shown that the interception efficiency depends on fiber geometric properties such as size, aspect ratio, the orientation angle of the incoming flow, and the particle diameter. The results show that the noncircular collector shape can improve the interception efficiency significantly when compared to a circular collector, and the maximum efficiency occurs when the incoming flow is parallel to the major axis of the elliptical fiber. Copyright 2012 American Association for Aerosol Research