THE RELATIVE IMPORTANCE OF BROWNIAN DIFFUSION AND OTHER FACTORS IN AEROSOL FILTRATION

Authors
  1. Wilson, L.G.
  2. Cavanagh, P.
Corporate Authors
Defence Chemical Biological and Radiation Labs, Ottawa ONT (CAN)
Abstract
The paper maintains that Brownian diffusion has been given undue importance in theories concerned with the filtration of aerosols of sub-micron particles by fibrous filters. To examine this question, the nature of Brownian motion for individual aerosol particles is discussed, and the relation of this motion to other factors operating in a filter. Some experiments designed to separate Brownian motion effects from those of interception, impaction, gravity and electrostatic forces, and assess their relative importance, are described.
Report Number
DCBRL-521 — Reprint; Previously catalogued as DSIS 67-09284
Date of publication
01 Jan 1967
Number of Pages
12
Reprinted from
Atmospheric Environment, vol 1, 1967, p 261-269
DSTKIM No
89-01259
CANDIS No
59191
Format(s):
Hardcopy;Originator's fiche received by DSIS

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