Abstract
The Stokes–Brinkman flow field has been calculated in a model deposit, i.e., a row of parallel chains formed from porous spherical clusters of nanoparticles and oriented perpendicularly to the gas flow direction. The force of drag to an air flow has been calculated for the row of chains taking into account their permeability and the distance to neighboring chains. The drag forces have been found for nanodendrites composing clusters with allowance for the gas slip effect. Corresponding approximation formulas have been derived. A method has been proposed for calculating the pressure drop across a highly porous deposit of clusters of aerosol nanoparticles deposited onto a filter.
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Original Russian Text © V.A. Kirsh, 2016, published in Kolloidnyi Zhurnal, 2016, Vol. 78, No. 5, pp. 571–577.
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Kirsh, V.A. Gas flow in a layer of chains formed from permeable clusters of nanoparticles. Colloid J 78, 616–622 (2016). https://doi.org/10.1134/S1061933X16050082
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DOI: https://doi.org/10.1134/S1061933X16050082