Research Article
Jan 1958
Mechanism of Reaeration in Natural Streams
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VIEW THE REPLYPublication: Transactions of the American Society of Civil Engineers
Volume 123, Issue 1
Abstract
The basic theory of turbulent flow has been applied successfully to explain many phenomena occurring in natural and artificial waterways. In this study, turbulent-flow theory, both isotropic and nonisotropic, has been utilized to formulate the theory of reaeration in natural streams that have been subjected to deaeration by the biological oxidation of organic material. The general differential equation of the oxygen balance in a river is accepted as the basis for the analysis, and a theoretical derivation of the reaeration coefficient is presented. Experimental work concerning reaeration under turbulent conditions was conducted to verify the theoretical development. Field data from sanitary river surveys are presented to show the comparison between the theoretically computed values and the observed values of the reaeration coefficients. This comparison, as well as the experimental work, substantiates the derived formulas.
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© 1958 American Society of Civil Engineers.
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Published in print: Jan 1958
Published online: Feb 10, 2021
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Donald J. O'Connor, JM.ASCE
Asst. Prof., Dept. of Civ. Eng., Manhattan College, New York, N. Y.
William E. Dobbins, M.ASCE
Associate Prof. of San. Eng., College of Eng., New York Univ., New York, N. Y.
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.