Research Article
Nov 1978
Oxygen Transfer at Hydraulic Structures
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VIEW THE REPLYAuthors: Sean T. Avery and Pavel NovakAuthor Affiliations
Publication: Journal of the Hydraulics Division
Volume 104, Issue 11
Abstract
The shortcomings of existing equations for the prediction of oxygen transfer at hydraulic structures are illustrated, particularly with reference to free overfall weirs. The effect of all important hydraulic variables is reviewed together with water quality effects, in particular the effect of dissolved salts. Modeling according to the Froude law of similarity, the oxygen transfer expressed as a deficit ratio, is shown to vary as a simplified function of the scale. Equations are submitted describing the oxygen transfer in an hydraulic jump and at a free overfall weir. The latter equation is shown to correlate successfully both model studies and measurements at a number of prototype structures and, further, its application to a variety of situations such as spillway jets, multiple jet weirs and cascade of pools is described. An equation to estimate the optimum pool conditions for oxygen transfer is presented.
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Published In
Journal of the Hydraulics Division
Volume 104 • Issue 11 • November 1978
Pages: 1521 - 1540
Copyright
© 1978 American Society of Civil Engineers.
History
Published in print: Nov 1978
Published online: Feb 3, 2021
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Authors
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Sean T. Avery
J.D.
Asst. Engr. With J. D. & D. M. Watson, Chartered Civ. Engrs. High Wycombe, Bucks, England
Pavel Novak
Prof. of Civ. and Hydraulic Engrg., Univ. of Newcastle upon Tyne, England
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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.