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http://dx.doi.org/10.5762/KAIS.2014.15.1.506

Hydraulic Performance Analysis of Tangential Vortex Intakes with Compound Section by Three-Dimensional Numerical Simulation  

Lee, Du Han (River and Coastal Research Division, Korea Institute of Construction Technology)
Rhee, Dong Sop (River and Coastal Research Division, Korea Institute of Construction Technology)
Kim, Myounghwan (River and Coastal Research Division, Korea Institute of Construction Technology)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.15, no.1, 2014 , pp. 506-514 More about this Journal
Abstract
Recently the interest about the vortex intakes are rapidly increased because of its performance to drain a plenty of collected storm water at a time. The tangential intake a kind of vortex intakes is very applicable because this type is very simple and little against other types, but it has a big weakness that the vortex flow is not been rarely created below the design discharge. In this study, the characteristics of a tangential intake and two kinds of a newly suggested compound section type intake are analyzed by the 3D numerical modeling based on theories about the control shift and free drainage condition. The analysis focused on the flow condition, flow surface formation, depth-discharge relation, area ratio of air core. Based on this study, the mild-sloped compound section type intake is the optimal, but steep-sloped compound section type is also the optional for the small design discharge.
Keywords
Tangential vortex intake; compound section; Three-dimensional numerical simulation; Depth-discharge relation; Area ratio of air core;
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  • Reference
1 Drioli, C., Su un particolare tipo di imbocco per pozzi di scarico. L'Energia Elettrica, 24(10), 447-452, 1947 [in Italian].
2 Laushey, L. M., and Mavis, F. T., "Air Entrained by Water Flowing down Vertical Shafts, ", Proc. Minnesota Internat. Hyd. Conv. ,Internat. Assoc. for Hyd. Res., pp. 483-487, 1953.
3 Drioli, C., Esperienze su installation con pozzo di scarico a vortice. L'Energia Elettrica, 46(6), 399-409. 1969.
4 Vischer, D. L., and Hager, W. H., "Vortex drops." in Energy dissipaters, IAHR hydraulic structures design manual 9, D. L. Vischer and W. H. Hager, eds., Balkema, Rotterdam, The Netherlands, 167-181, 1995.
5 Jain, S. C., and Ettema, R.,"Vortex-flow intakes.", Swirling flow problems at intakes, IAHR hydraulic structures design manual, J. Knauss, ed., Balkema, Rotterdam, The Netherlands, 125-137, 1987.
6 Jevdjevich, V., and Levin, L., "Entrainment of air in flowing water and technical problems connected with it.", Proc., Minnesota International Hydraulics Convention, ASCE, St. Anthony Falls Hydralic Lab., 1953.
7 Jain, S. C., and Kennedy, J. F., "Vortex-flow drop structures for the Milwaukee metropolitan sewerage district inline storage system.", Rep. No. IIHR Rep. No. 264, Iowa Institute of Hydraulic Research, The Univ. of Iowa, Iowa City, Iowa, 1983.
8 Yu, D. and Lee, H. W., "Hydraulics of tangential vortex intake for urban drainage", Journal of Hydraulic Engineering, Vol. 135, No. 3, pp. 164-174, 2009. DOI: http://dx.doi.org/10.1061/(ASCE)0733-9429(2009) 135:3(164)   DOI   ScienceOn
9 Korea Institute of Construction Technology, Multiple-stage basement-inlet, Korean Patent, 10-2013-0116085, 2013.
10 Hirt CW and Nichols BD., "Volume of fluid (VOF) method for the dynamics of free boundaries", J. Comput. Phys., 39(1), 201-225, 1981. DOI: http://dx.doi.org/10.1016/0021-9991(81)90145-5   DOI   ScienceOn