Research Article
Sep 1971
Self-Aerated Flow Characteristics in Wall Region
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VIEW THE REPLYPublication: Journal of the Hydraulics Division
Volume 97, Issue 9
Abstract
Characteristics of self-aerated flows in the wall region are studied. The distribution of velocity and air concentration in the wall turbulent zone is studied by dividing the wall turbulent zone into an inner and outer region according to the eddy viscosity distribution. It is shown that the inner region ceases to exist under certain conditions. Air concentration on the wall is estimated. The values of the Karman constant and Manning's roughness coefficient show an increase in their value as air concentration increases. An estimation of the average velocity and the probable diameter of an air bubble shows a definite relation with mean air concentration in the wall region.
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Published In
Journal of the Hydraulics Division
Volume 97 • Issue 9 • September 1971
Pages: 1285 - 1303
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© 1971 American Society of Civil Engineers.
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Published in print: Sep 1971
Published online: Feb 3, 2021
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Nagar S. Lakshmana Rao, AM.ASCE
Prof., Dept. of Civ. and Hydr. Engrg., Indian Inst. of Science, Bangalore, India
Thimmaiah Gangadharaiah
Sr. Res. Asst., Dept. of Civ. and Hydr. Engrg., Indian Inst. of Sci. Bangalore, India
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