Preliminary Studies of Scavenging Systems Related to Radioactive Fallout. Summary Report

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Preliminary studies were made of the relationship between the size of particles suspended in the lower atmosphere and the amount and nature of radionuclides they contain. Emphasis was placed on the distribution of strontium90. From a limited number of analyses, it was found that strontium-90 is associated primarily with particles below 0.1 micron in diameter. Preliminary studies were made of scavenging of particles by liquid water droplets. Studies are included of sticking probability and the effects of Brownian motion and water vapor diffusion. It was found that electrostatic effects are of primary importance for 1.9-micron (mean volume diameter) particles. Brownian … continued below

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51 pages

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Rosinski, J. & Stockham, J. April 30, 1959.

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Preliminary studies were made of the relationship between the size of particles suspended in the lower atmosphere and the amount and nature of radionuclides they contain. Emphasis was placed on the distribution of strontium90. From a limited number of analyses, it was found that strontium-90 is associated primarily with particles below 0.1 micron in diameter. Preliminary studies were made of scavenging of particles by liquid water droplets. Studies are included of sticking probability and the effects of Brownian motion and water vapor diffusion. It was found that electrostatic effects are of primary importance for 1.9-micron (mean volume diameter) particles. Brownian motion and water vapor diffusion did not contribute to the scavenging. These results are based on known and new equations derived for various scavenging conditions. (auth)

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51 pages

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ARF Project C 127. Orig. Receipt Date: 31-DEC-60

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  • April 30, 1959

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  • Sept. 16, 2016, 12:32 a.m.

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  • Dec. 12, 2025, 10:40 p.m.

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Rosinski, J. & Stockham, J. Preliminary Studies of Scavenging Systems Related to Radioactive Fallout. Summary Report, report, April 30, 1959; Chicago, Illinois. (https://digital.library.unt.edu/ark:/67531/metadc864155/: accessed December 16, 2025), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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