Transport und Abscheidung submikroner Partikel

In this study transport and deposition of submicron particles in turbulent and laminar flows is investigated theoretically. Beginning with the modelling of transport processes in pipe flows, transport onto surfaces and in industrial gas cleaning systems has been calculated. Deposition of particles takes place due to convective diffusion, sedimentation,thermophoresis and impaction. Although different geometries have been investigated a characteristical deposition behaviour has been found with a deposition minimum for submicron particles with diameters larger than 0.1 mm. Transport of these particles often depends on thermo- or electrophoresis.



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