Transport of gases and particles to surfaces with widely spaced roughness elements

Radioactive gases and labelled particles were used in wind tunnels to measure the effects of Reynolds and Schmidt numbers on transport to surfaces with widely spaced roughness elements. Good correlations were obtained for gases and for submicrometric sized particles, and the results can probably be...

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Bibliographic Details
Published in:Boundary-layer meteorology 1984-08, Vol.29 (4), p.343-360
Main Authors: CHAMBERLAIN, A. C, GARLAND, J. A, WELLS, A. C
Format: Article
Language:English
Subjects:
Applied sciences
Atmospheric pollution
Exact sciences and technology
Pollutants physicochemistry study: properties, effects, reactions, transport and distribution
Pollution
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Summary:Radioactive gases and labelled particles were used in wind tunnels to measure the effects of Reynolds and Schmidt numbers on transport to surfaces with widely spaced roughness elements. Good correlations were obtained for gases and for submicrometric sized particles, and the results can probably be extended to conditions in the open air. Deposition of larger particles is dominated by bounce-off effects which depend upon surface conditions. This is also reflected in the pattern of deposition between roughness elements.
ISSN:0006-8314
1573-1472
DOI:10.1007/BF00120534