Evaluation of Oxygen Sag Equation for Second-Order Biochemical Oxygen Demand Decay
Publication: Journal of Environmental Engineering
Volume 132, Issue 12
Abstract
In this work we present a new reliable analytical evaluation of the oxygen sag equation for second-order biochemical oxygen demand reaction. A single series expansion relation is derived for dissolved oxygen sag equation in terms of binomial coefficients. The convergence of the series is tested by the concrete cases of parameters. The formulas obtained are numerically stable for . Numerical results are presented, and compared with results using alternative evaluation schemes.
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Acknowledgments
I gratefully acknowledge Professor Donald Dean Adrian for fruitful discussions and a careful reading of the manuscript.
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Information & Authors
Information
Published In
Journal of Environmental Engineering
Volume 132 • Issue 12 • December 2006
Pages: 1606 - 1608
Copyright
© 2006 ASCE.
History
Received: Oct 6, 2005
Accepted: Mar 20, 2006
Published online: Dec 1, 2006
Published in print: Dec 2006
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