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Fog-droplet sampling using a modified impactor technique

✍ Scribed by K. R. May

Publisher
John Wiley and Sons
Year
1961
Tongue
English
Weight
944 KB
Volume
87
Category
Article
ISSN
0035-9009

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✦ Synopsis

Abstract

Possible errors in sampling fog droplets with the cascade impactor are discussed and data are presented which were obtained from 25 fogs by the use of a specially modified impactor in a small portable wind‐tunnel. A very wide range of drop diameter (< 1 to > 100 ΞΌ) was found, with great numbers of very small drops and great variability in size‐distribution. Agreement between the visual range as calculated from the drop measurements and the actual visual range was usually closer than a factor of two, though in some cases there was no such agreement.

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