Effects of Different Shaped Baffle Blocks on the Energy Dissipation and the Downstream Scour of a Regulator
Abstract
The
scouring problem caused by the flow movement in the downstream areas of
hydraulic structures is an issue that keeps its actuality. In order to prevent
these scouring to occur in the downstream, various typed energy dissipaters are
placed on the downstream of the hydraulic structures. Factors such as sediment
type, the velocity of the stream, and flow regime play an important role in
scouring. In order to prevent scouring, the flow’s energy must be dissipated
before meeting the sediment. In this study, it is aimed to reduce the amount of
scour occurred at the downstream of the weir by using energy dissipaters with
different geometries. The flow and scouring events on the weir were modeled in
two dimensions using Computational Fluid Dynamics (CFD). The findings were
compared for different downstream conditions and the results were discussed in
this respect.
Keywords
References
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Abstract
References
- Aydın, M.C., Işık E., 2015. Using CFD in Hydraulic Structures. International Journal of Scientific and Technological Research. 1(5):7-13.
- Aydin, M.C., Ulu, A.E., and Karaduman, Ç., 2017. Investigation of Energy Dissipation and Sediment Scour Over a Regulator Using CFD. CEPPIS 2017, Poland.
- Emiroglu, M.E., Gogus, M., Tunc, M., and Islamoglu, K., 2017. Effects of Antivortex Structures Installed on Trapezoidal Labyrinth Side Weirs on Discharge Capacity and Scouring. Journal of Irrigation and Drainage Engineering, 143(6), 04017006.
- Flow 3D, 2014. Manual, Sediment Scour Model. Flow-3D User Manual, v11.0.3. Flow Science, Inc.
- Meyer-Peter, E., Müller, M., 1948. Formulas for bed-load transport. Proceedings of the 2nd Meeting of the International Association for Hydraulic Structures Research, pages 39–64.
- Soulsby, R., 1997. Ch. 9: Bedload transport. in Dynamics of Marine Sand. Thomas Telford Publications, London.
- Tao, J., and Yu, X., 2014. Flow and Scour Patterns around Bridge Piers with Different Configurations: Insights from CFD Simulations. In Geo-Congress 2014: Geo-characterization and Modeling for Sustainability (pp. 2655-2664).
- Xiong, W., Cai, C. S., Kong, B., and Kong, X., 2014. CFD simulations and analyses for bridge-scour development using a dynamic-mesh updating technique. Journal of Computing in Civil Engineering, 30(1), 04014121.
Details
| Primary Language | English |
|---|---|
| Journal Section | Articles |
| Authors | |
| Publication Date | December 21, 2018 |
| Submission Date | October 10, 2018 |
| Published in Issue | Year 2018 |