Have a personal or library account? Click to login
Shape of the Nappe During Free Overfall from a Rectangular Channel with Zero Bed Slope Cover

Shape of the Nappe During Free Overfall from a Rectangular Channel with Zero Bed Slope

Journal of Hydrology and Hydromechanics
Volume 61 (2013): Issue 3 (September 2013)
By: Zbyněk Zachoval,  Petr Böhm,  Jana Pařílková,  Robert Šafář and  Jan Šulc  
Open Access
|Aug 2013

References

  1. Ali, K.H.M., Sykes, A., 1972. Free-vortex theory applied to free overfall. Journal of Hydraulics Division, ASCE, 98(5), 973-979.10.1061/JYCEAJ.0003328
    Search in Google Scholar
  2. Anderson, M.V., 1967. Non-uniform flow in front of a free overfall. Acta Polytechnica Scandinavica, 42, 1-24.
    Search in Google Scholar
  3. ANSYS 12, 2010. www.ansys.com.
    Search in Google Scholar
  4. Beirami, M.K., Nabavi, S.V., Chamani, M.R., 2006. Free overfall in channels with different cross sections and sub-critical flow. Iranian Journal of Science & Technology, Transaction B, Engineering, 30, B1.
    Search in Google Scholar
  5. Bos, M.G., 1989. Discharge Measurement Structures. Third revised edition. Publication 20. ILRI. ISBN 90 70754 15 0.
    Search in Google Scholar
  6. Böhm, P., 2010. Shape of a Free Water Jet Overflowing from a Rectangular Channel. Brno, pp. 61, Brno University of Technology. Faculty of Civil Engineering. Institute of Water Structures.
    Search in Google Scholar
  7. Castro-Orgaz, O., Hager, W.H., 2010. Moment of momentum equation for curvilinear freesurface flow. Journal of Hydraulic Research, 48, 5, 620-631.10.1080/00221686.2010.507359
    Search in Google Scholar
  8. Castro-Orgaz, O., Hager, W.H., 2011. Vorticity equation for the streamline and the velocity profile. Journal of Hydraulic Research, 49, 6, 775-783.10.1080/00221686.2011.624687
    Search in Google Scholar
  9. Chow, V.T., 1959. Open-Channel Hydraulics. McGraw-Hill, New York.
    Search in Google Scholar
  10. Davis, A.C., Ellet, B.G.S., Jacob, R.P., 1998. Flow measurement in sloping channels with rectangular free overfall. Journal of Hydraulic Engineering, ASCE, 124(7), 760-763.10.1061/(ASCE)0733-9429(1998)124:7(760)
    Search in Google Scholar
  11. Davis, A.C., Jacob, R.P., Ellett, G.S., 1999. Estimating trajectory of free overfall nappe. Journal of Hydraulic Engineering, 125, 79-82.10.1061/(ASCE)0733-9429(1999)125:1(79)
    Search in Google Scholar
  12. Dey, S., 2000. End depth in steeply sloping rough rectangular channels. Sadhana, 25, Part 1, 1-10.10.1007/BF02703802
    Search in Google Scholar
  13. Dey, S., 2001. Flow measurement by the end-depth method in inverted semicircular channels. Flow Measurement and Instrumentation, 12, 253-258.10.1016/S0955-5986(01)00029-2
    Search in Google Scholar
  14. Dey, S., 2002. Free overall in open channels: state-of-the-art review. Flow Measurement and Instrumentation, 13, 247- -264.10.1016/S0955-5986(02)00055-9
    Search in Google Scholar
  15. Dey, S., 2002a. Free overall in circular channels with flat base: a method of open channel flow measurement. Flow Measurement and Instrumentation, 13, 209-221.10.1016/S0955-5986(02)00061-4
    Search in Google Scholar
  16. Dey, S., Kumar, B., 2002. Hydraulics of free overfall in 1- shaped channels. Sadhana, 27, Part 3, 353-363.10.1007/BF02703656
    Search in Google Scholar
  17. Dey, S., Lambert, M.F., 2006. Discharge prediction in compound channels by end depth method. Journal of Hydraulic Research, 44, 6, 767-776.10.1080/00221686.2006.9521727
    Search in Google Scholar
  18. Emiroglu, M.E., 2010. Estimating flow characteristics of different weir types and optimum dimensions of downstream receiving pool. Journal of Hydrology and Hydromechanics, 58, 4, 245-260.10.2478/v10098-010-0023-z
    Search in Google Scholar
  19. Falvey, H.T., 1980. Air-Water Flow in Hydraulic Structures. United states Department of the Interior, Water and Power Resources Service. Engineering Monograph, 41.
    Search in Google Scholar
  20. Ferro, V., 1999. Theoretical end-depth-discharge relationship for free overfall. Journal of Irrigation and Drainage Engineering, Vol. 44, 40-44.10.1061/(ASCE)0733-9437(1999)125:1(40)
    Search in Google Scholar
  21. Firat, C.E., 2004. Effect of Roughness on Flow Measurements in Sloping Rectangular Channels with Free Overfall. Thesis. THE Middle East Technical University.
    Search in Google Scholar
  22. Hager, W.H., 1983. Hydraulics of the plane overfall. Journal of Hydraulic Engineering, ASCE, 109(12), 1683-1697.10.1061/(ASCE)0733-9429(1983)109:12(1683)
    Search in Google Scholar
  23. Hong, Y., Huang, H., Wan, S., 2010. Drop characteristics of free-falling nappe for aerated straight-drop spillway. Journal of Hydraulic Research, 48, 1, 125-129.10.1080/00221680903568683
    Search in Google Scholar
  24. ISO 3847, 1977. Measurement of liquid flow in open channels by weirs and flumes - End-depth method for estimation of flow in rectangular channels with a free overfall.
    Search in Google Scholar
  25. ISO 4371, 1984. Measurement of liquid flow in open channels by weirs and flumes - End-depth method for estimation of flow in non-rectangular channels with a free overfall (approximate method).
    Search in Google Scholar
  26. Jia, Y., Wang, S.Y., 2005. Numerical model validation using physical model data. US-CHINA Workshop on Advanced Computational Modelling in Hydroscience & Engineering, Oxford, Mississippi, USA. 1-10.
    Search in Google Scholar
  27. Kolář, V., Patočka, C., Bém, J., 1983. Hydraulics. SNTL, Praha. (In Czech.) Marchi, E., 1993. On the free overfall. Journal of Hydraulic Research, 31, 6, 777-790.10.1080/00221689309498818
    Search in Google Scholar
  28. Markland, E., 1965. Calculation of flow at a free overfall by relaxation method. ICE Proceedings, 31, 71-78.10.1680/iicep.1965.9554
    Search in Google Scholar
  29. Murty Bhallamudi, S., 1994. End depth in trapezoidal and exponential channels. Journal of Hydraulic Research, 32(2), 219-232.10.1080/00221686.1994.10750037
    Search in Google Scholar
  30. Pařílková, J., Říha, J., Zachoval, Z., 2012. The influence of roughness on the discharge coefficient of a broad-crested weir. Journal of Hydrology and Hydromechanics, 60(2), 101-114.10.2478/v10098-012-0009-0
    Search in Google Scholar
  31. Raikar, R.V., Kumar, D.N., Dey, S., 2004. End depth computation in inverted semicircular channels using ANNs. Flow Measurement and Instrumentation, 15, 285-293.10.1016/j.flowmeasinst.2004.06.003
    Search in Google Scholar
  32. Ramamurthy, A.S., Qu, J., Vo, D., 2006. VOF model simulation of a free overfall in trapezoidal channels. Journal of Irrigation and Drainage, 132, 4, 425-428.10.1061/(ASCE)0733-9437(2006)132:4(425)
    Search in Google Scholar
  33. Rouse, H., 1936. Discharge characteristics of the free overfall. Civil Engineering, ASCE, 6(4), 257-260.
    Search in Google Scholar
  34. Sharifi, S., Sterling, M., Knight, D.W., 2010. Prediction of enddepth ratio in open channels using genetic programming. Journal of Hydroinformatics, 13, 1, 36-48.10.2166/hydro.2010.087
    Search in Google Scholar
  35. Southwell, R.V., Vaisey, G., 1946. Relaxation methods applied to engineering problems: XII, Fluid motions characterized by free stream-lines. Philosophical Transactions of the Royal Society, 240, 815, 117-161.10.1098/rsta.1946.0004
    Search in Google Scholar
  36. Standing Committee on Rivers and Catchments, 1991. Guidelines for Stabilising Waterways. Straight drop structure. Design Guidelines. Australia, Victoria.
    Search in Google Scholar
  37. Wahl, T.L., Frizell, K.H., Cohen, E.A., 2008. Computing the trajectory of free jets. Journal of Hydraulic Engineering, 134, 2, 256-260.10.1061/(ASCE)0733-9429(2008)134:2(256)
    Search in Google Scholar
  38. Wang, S.S.Y., Roche, P.J., Schmalz, R.A., Jia, Y., Smith, P.E., 2009. Verification and Validation of 3D Free-Surface Flow Models. ASCE, 2009. ISBN 978-0-7844-0957-2.
    Search in Google Scholar
  39. White, P., Bakhmeteff, B.A., Feodoroff, N.V., Kindsvater, C.E., Christiansen, J.E., Hall, L.S., Rouse, H., 1943. Discussion of energy loss at the base of a free overfall. Transactions of the American Society of Civil Engineers, 108, 1, 1383-1387.10.1061/TACEAT.0005672
    Search in Google Scholar
  40. Zachoval, Z., Mistrová, I., Roušar, L., Šulc, J., Zubík P., 2012. Zone of flow separation at the upstream edge of a rectangular broad-crested weir. Journal of Hydrology and Hydromechanics, 60, 4, 288-298.10.2478/v10098-012-0025-0
    Search in Google Scholar
  41. Zerihun, Y.T., Fenton, J.D., 2004. Boussinesq-type momentum equations solutions for steady rapidly varied flows. Advances in Hydro-Science and -Engineering, 6, 1-10.
    Search in Google Scholar
DOI: https://doi.org/10.2478/johh-2013-0029 | Journal eISSN: 1338-4333 | Journal ISSN: 0042-790X
Journal RSS Feed
Language: English
Page range: 222 - 231
Published on: Aug 24, 2013
Published by: Slovak Academy of Sciences, Institute of Hydrology
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year
Keywords:
Nappe shape,
End depth,
Free overfall,
Confined nappe,
Unconfined nappe,
Numerical modelling,
Experimental measurement
Related subjects:
Engineering,
Introductions and overviews,
Engineering, other

© 2013 Zbyněk Zachoval, Petr Böhm, Jana Pařílková, Robert Šafář, Jan Šulc, published by Slovak Academy of Sciences, Institute of Hydrology
This work is licensed under the Creative Commons License.

Previous articleVolume 61 (2013): Issue 3 (September 2013)Next article