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Title

The Study of Hydraulic Properties of Quarter-Circular Crested Stepped Spillway

فصلنامه علوم و مهندسی آبیاری، دوره: 43، شماره: 4
Year: 1399
COI: JR_JISE-43-4_003
Language: EnglishView: 39
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Authors

Abbas Parsaie - Former PhD candidate of Hydro-Structure Engineering, Water Engineering Department, Lorestan University and Assistant Professor of Shahid Chamran University of Ahvaz. Iran.
AmirHamzeh Haghiabi - Professor, Water Engineering Department, Lorestan University, Khorramabad, Iran.
Mojtaba Saneie - Associate Professor, Soil Conservation and Watershed Management Institute, Tehran, Iran.
Hasan Torabi - Lorestan University

Abstract:

In this paper, the quarter-circular crested stepped spillway (QCSS) is introduced and its hydraulic properties including the discharge coefficient (Cd) and energy dissipation of flow are investigated. The QCSS consists of a quarter-circular as the crest and a stepped chute. The Cd of QCSS variates between ۰.۹ and ۱.۴ considering the range of relative upstream head (hup/R) between ۰.۱ and ۱.۰, but at the same range of hup/R, the Cd of the broad crested stepped spillway (BCSS) changes between ۰.۹ and ۱.۰. The ratio of energy dissipation changes between ۳۰% and ۹۸% for both hydraulic models. Comparing the performance of QCSS and BCSS shows that in the skimming flow condition, the Cd of QCSS is about ۳۰%more than the BCSS. Whereas, in the same flow regime, the energy dissipation of the flow on QCSS is a bit less than the BCSS about ۱۰%.

Keywords:

Paper COI Code

This Paper COI Code is JR_JISE-43-4_003. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

https://civilica.com/doc/1282049/

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Parsaie, Abbas and Haghiabi, AmirHamzeh and Saneie, Mojtaba and Torabi, Hasan,1399,The Study of Hydraulic Properties of Quarter-Circular Crested Stepped Spillway,https://civilica.com/doc/1282049

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  • Bos, M.G., ۱۹۷۶. Discharge measurement structures (No. ۱۶۱). Ilri ...
  • Chatila, J.G. and Jurdi, B.R., ۲۰۰۴. Stepped spillway as an ...
  • Christodoulou, G.C., ۱۹۹۳. Energy dissipation on stepped spillways. Journal of Hydraulic ...
  • Crookston, B.M. and Tullis, B.P., ۲۰۱۲. Discharge efficiency of reservoir-application-specific ...
  • Dargahi, B., ۲۰۰۳. Scour development downstream of a spillway. Journal of ...
  • Dehdar-Behbahani, S. and Parsaie, A., ۲۰۱۶. Numerical modeling of flow ...
  • Felder, S. and Chanson, H., ۲۰۱۱. Energy dissipation down a ...
  • Felder, S. and Chanson, H., ۲۰۱۴. Effects of step pool ...
  • Frizell, K.W., Renna, F.M. and Matos, J., ۲۰۱۳. Cavitation potential ...
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  • Haghiabi, A.H., ۲۰۱۷. Estimation of scour downstream of a ski-jump ...
  • Haghiabi, A.H., Mohammadzadeh-Habili, J. and Parsaie, A., ۲۰۱۸. Development of ...
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  • Shabanlou, S. and Khorami, E., ۲۰۱۳. Study of the hydraulic ...
  • Shabanlou, S., Khorami, E. and Rajabi, A., ۲۰۱۳. The effects ...
  • Sorensen, R.M., ۱۹۸۵. Stepped spillway hydraulic model investigation. Journal of hydraulic ...
  • Zare, H.K. and Doering, J.C., ۲۰۱۲. Energy dissipation and flow ...

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Type of center: دانشگاه دولتی
Paper count: 17,260
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