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The Two-Dimensional Simulation Study of Flow Pattern near Guiding Wall of Oxidation Ditch

DOI: 10.4236/jwarp.2010.29096, PP. 814-817

Keywords: Guiding Wall, the Length of Downstream Extension, Eccentricity, Simulation

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Abstract:

Guiding wall is used to change the flow of the oxidation ditch as supporting structure, it widely uses eccentric setting, and its setting parameters are mostly empirical judgments. According to fluent software that simulates the velocity distribution of the guiding wall, to discuss the settings of the guiding wall in different length of downstream extension, eccentricity and guiding wall radius, so to work out its optimized settings.

References

[1]  X. M. Zhao, Q. H. Zhang, T. L. Huang and P. Zhang, “Sludge Sedimentation Curve Analysis and Hydraulic Calculation of Oxidation Ditch,” Chinese Water Supply and Drainage, Vol. 24, No. 6, 2008, pp. 38-40.
[2]  J. Xu, “On the Research of the Role of Guiding Wall in the Water Structures,” Environment, No. S2, 2006, pp. 135-136.
[3]  CECS 112:2000. Oxidation ditch design specifications.
[4]  Y. Cao and J. Z. Fu, “Measure to Improve the Oxidation Ditch Velocity Distribution,” China Water & Wastewater, Vol. 17, No. 2, 2001, pp. 16-18.
[5]  X. M. Zhao, X. Wang and A. J. Wang, “Oxidation Ditch Bend Flow Characteristics,” Environmental Science and Technology, Vol. 31, No. 4, 2008, pp. 104-106.

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