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Transmission of Light through Fog

Transmission of Light through Fog DURING the past twelve years there have been six investigations of the spectral transmission of light through fog, mist, or liaze carried out in the United States. The conditions of the tests have been varied. Three of the researches were made with fog chambers three with natural fogs. One was made with a path of only 19 m. 62 ft. the longest path was 1,200 m. 3,900 ft.. One of the fogs was so light that a 1,000,000 candlepower airway beacon could be seen 13 km. 8 miles the densest would permit such a beacon to be seen only 003 km. 002 mile. One investigator scarcely covered the entire visible spectrum. Two included the infrared as far as 30 microns and 25 microns respectively, and the latter of these extended his work as far as 0324 micron in the ultraviolet. It is not surprising that curves based on data taken under such diverse conditions should show little resemblance to one another. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Aircraft Engineering and Aerospace Technology Emerald Publishing

Transmission of Light through Fog

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Publisher
Emerald Publishing
Copyright
Copyright © Emerald Group Publishing Limited
ISSN
0002-2667
DOI
10.1108/eb029464
Publisher site
See Article on Publisher Site

Abstract

DURING the past twelve years there have been six investigations of the spectral transmission of light through fog, mist, or liaze carried out in the United States. The conditions of the tests have been varied. Three of the researches were made with fog chambers three with natural fogs. One was made with a path of only 19 m. 62 ft. the longest path was 1,200 m. 3,900 ft.. One of the fogs was so light that a 1,000,000 candlepower airway beacon could be seen 13 km. 8 miles the densest would permit such a beacon to be seen only 003 km. 002 mile. One investigator scarcely covered the entire visible spectrum. Two included the infrared as far as 30 microns and 25 microns respectively, and the latter of these extended his work as far as 0324 micron in the ultraviolet. It is not surprising that curves based on data taken under such diverse conditions should show little resemblance to one another.

Journal

Aircraft Engineering and Aerospace Technology – Emerald Publishing

Published: Oct 1, 1931

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