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The Effect of van der Waals' Forces on Aerosol Filtration with Fibrous Filters

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Abstract

The collection of aerosol particles with a fibrous filter under the effect of van der Waals' forces was considered with allowance for an electromagnetic retardation and a curvature of a fiber surface. To estimate van der Waals' forces, the method of pair summation of power potentials was used. The capture coefficient of inertialess particles of definite size was calculated. It was shown that as the interception parameter and the flow velocity decrease, the account for van der Waals' forces sharply increases the capture coefficient.

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  1. Institute of Physical Chemistry, Russian Academy of Sciences, Leninskii pr. 31, Moscow, 117915, Russia

    V. A. Kirsh

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  1. V. A. Kirsh
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Kirsh, V.A. The Effect of van der Waals' Forces on Aerosol Filtration with Fibrous Filters. Colloid Journal 62, 714–720 (2000). https://doi.org/10.1023/A:1026678725025

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  • DOI: https://doi.org/10.1023/A:1026678725025

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