General Information
    • ISSN: 1793-821X (Print)
    • Abbreviated Title: J. Clean Energy Technol.
    • Frequency: Quarterly
    • DOI: 10.18178/JOCET
    • Editor-in-Chief: Prof. Haider F. Abdul Amir
    • Executive Editor: Ms. Jennifer Zeng
    • Abstracting/ Indexing:  INSPEC (IET), Electronic Journals Library, Chemical Abstracts Services (CAS), Ulrich's Periodicals Directory, Google Scholar, ProQuest, CNKI.
    • E-mail: jocet@ejournal.net
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Editor-in-chief
Prof. Haider F. Abdul Amir
Universiti Malaysia Sabah, Malaysia.
I would like to express my appreciation to all the reviewers and editors, who have been working
very hard to ensure the quality of the journal. It's my honor to work with such a wonderful team.

HOME > Archive > 2013 > Volume 1 Number 3 (July 2013) >
JOCET 2013 Vol. 1(3): 202-205 ISSN: 1793-821X
DOI: 10.7763/JOCET.2013.V1.46

Saving on Energy of and Determining the Best Location of Water Treatment Plant along Rivers Depending on the Effect of Broad Crested Weir on Dissolved Oxygen Concentrations in Water

Sherine Ahmed El Baradei
Abstract—This research is concerned with studying the effect of installing a weir on dissolved oxygen (DO) concentrations in water at different water depths. The study was done using a laboratory flume to be under controlled conditions; i.e constant temperature and no pollution sources. Then a mathematical simulation part is done – using Streeter-Phelps equation- to the study to relate it to real life conditions and thus determine where is the best location to install a water treatment plant on a river. Although many studies were done on examining the effect of hydraulic structures on air entrainment in water, bubbles captures in water, rate of transfer of oxygen to the water, rarely was the direct effect of hydraulic structures on dissolved oxygen concentration values in water investigated. This study will be investigating the effect of broad crested trapezoidal weirs on the dissolved oxygen (DO) in water at different longitudinal stations along the same water streamline; as well as, at different water depths. The study was done on a flume in the hydraulics laboratory at the American University in Cairo. It was found that installing the weir increased the values of the DO in water (comparing its upstream side with the downstream side) by an average of 5.3% comparing all depths. It was also found that installing a weir on a river will result in shortening the time the DO takes to recover after a pollutant was dropped in a river by 39.5%.

Index Terms—Broad crested weir, dissolved oxygen, flume, hydraulic jump, hydraulic structures.

S. A. El Baradei is with the Construction and Architectural Engineering Department, The American University in Cairo (e-mail: sbaradei@aucegypt.edu).

[PDF]

Cite:Sherine Ahmed El Baradei, "Saving on Energy of and Determining the Best Location of Water Treatment Plant along Rivers Depending on the Effect of Broad Crested Weir on Dissolved Oxygen Concentrations in Water," Journal of Clean Energy Technologies vol. 1, no. 3, pp. 202-205, 2013.

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