Calculation software for efficiency and penetration of a fibrous filter medium based on the mathematical models of air filtration

At this article will be created a software written in visual basic for efficiency and penetration calculation in a fibrous filter medium for given values of particles diameter that are retained in the filter. Initially, will become report of mathematical models of air filtration in fibrous filters media and then will develop the code and the graphical interface of application, that are the base for software creation in the visual basic platform. Introduction. Filtration is a process during which solid particles that are found into a fluid flow, are retained from a filter medium so as not to penetrate from this. Filtration consists from three mechanisms that take place simultaneously. They are the diffusion mechanism, the interception mechanism and the inertial impaction mechanism. Efficiency of a filter expresses the difficulty that particles meet to penetrate the filter medium, efficiency is expressed as a percentage and is symbolized with Ε. Penetration of a filter expresses the facility that particles meet to penetrate the filter medium and is symbolized with Ρ. The relation between efficiency and penetration of a filter takes by type below: (1) Scientists have occupied and have formulated the mathematical models which govern air filtration and other filtration mechanisms [1] [2] [3]. Penetration of a filter during the air filtration given by type below: