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Numerical Modeling Of Flow Pattern In Spillway Approach Channel

Submitted2017-12-03
Last Update2017-12-03
TitleNumerical Modeling Of Flow Pattern In Spillway Approach Channel
Author(s)Author #1
Author title:
Name: Abbas Parsaie
Org: Ph.D. Candidate of Hydro-structures, Department of Water Engineering, Lorestan University, Khorram Abad, Iran
Country:
Email: Abbas_Parsaie@yahoo.com

Author #2
Author title:
Name: Amir Moradinejad
Org: Ph.D. Candidate of Hydro-structures, Department of Water Engineering, Lorestan University, Khorram Abad, Iran
Country:
Email: amir_24619@yahoo.com

Author #3
Author title:
Name: Amir Hamzeh Haghiabi
Org: Associate Professor of Water Engineering, Lorestan University, Khorram Abad, Iran
Country:
Email: Haghiabi@yahoo.com

Other Author(s)
Contact AuthorAuthor #1
Alt Email: abbas_parsaie@yahoo.com
Telephone:
KeywordsApproach channel, Kamal-Saleh dam, Guide wall, Flow pattern, Numerical modeling, Flow 3D software
AbstractAnalysis of behavior and hydraulic characteristics of flow over the dam spillway is a complicated task that takes lots of money and time in water engineering project planning. To model these hydraulic characteristics, several methods, such as physical and numerical methods, can be used. Nowadays, by utilizing new methods in computational fluid dynamics (CFD) and by the development of fast computers, numerical methods become accessible for use in the analysis of such sophisticated flows. CFD softwares have the capability to analyze two-and three- dimensional flow fields. In this paper, the flow pattern at the guide wall of Kamal-Saleh dam was modeled by Flow 3D. The results show that the current geometry of the left wall causes instability in the flow pattern and makes the secondary and vortex flows at the beginning approach channel. This shape of guide wall reduces the performance of weir to remove the pick flood discharge.
Paperview paper 4146.pdf (939KB)

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