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The detection and measurement of water droplets
Author(s) -
Liddell H. F.,
Wootten N. W.
Publication year - 1957
Publication title -
quarterly journal of the royal meteorological society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.744
H-Index - 143
eISSN - 1477-870X
pISSN - 0035-9009
DOI - 10.1002/qj.49708335612
Subject(s) - drop (telecommunication) , evaporation , materials science , fog , calibration , environmental science , mechanics , meteorology , mathematics , computer science , physics , statistics , telecommunications
The use of a dyestuff (Naphthol Green B) in gelatine, coated on the slides of a cascade impactor, provides a method for determining the drop‐size distribution of fogs and water sprays which is easy to apply in practice and gives a permanent record for subsequent microscopic analysis. Calibration of the stain remaining after evaporation of a droplet impacting on the slide shows it to be, on the average, 2.5 times the diameter of the droplet. The method can be readily used for droplets of less than 1 μ diameter.
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