FLOW PATTERN AND ENERGY DISSIPATION IN STEPPED SPILLWAY WITH NON-UNIFORM STEP HEIGHT

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EBRAHIMNEZHADIYAN H.; MOLAEENIYA M.R.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Journal: Journal of Water Resources Engineering Year:2015 | Volume:7 | Issue:23 Page(s): 53-66

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Information Journal Paper

Title

FLOW PATTERN AND ENERGY DISSIPATION IN STEPPED SPILLWAY WITH NON-UNIFORM STEP HEIGHT

Author(s)

EBRAHIMNEZHADIYAN H. | MOLAEENIYA M.R. | Issue Writer Certificate

Keywords

STEPPED SPILLWAYQ1

COMPUTATIONAL FLUID DYNAMICSQ2

ANSYS CFX SOFTWAREQ2

ENERGY DISSIPATIONQ2

Abstract

Using STEPPED SPILLWAY due to its low cost and high efficiency is increasingly on the rise. Hence, the studies in this area are associated with the growth and attention from dam engineers but most of these studies were including STEPPED SPILLWAY with uniform step height while the non-uniform step heights can also be considered as an option in some cases. In this study, a physical model of Herat dam for STEPPED SPILLWAY with 1.3 m height and a slope of 19.2o were used for the verification of numerical models then, three types of stepped configurations using COMPUTATIONAL FLUID DYNAMICS in ANSYS CFX SOFTWARE for range of 1.54#dc/h # 16.15 tested. Two-phase flow simulation for each configuration and all of the discharge took place and results in the case of flow pattern, ENERGY DISSIPATION and aeration point were compared. The results showed minimum difference in ENERGY DISSIPATION for nappe regime flow and maximum difference for skimming regime flow.

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APA: Copy

EBRAHIMNEZHADIYAN, H., & MOLAEENIYA, M.R.. (2015). FLOW PATTERN AND ENERGY DISSIPATION IN STEPPED SPILLWAY WITH NON-UNIFORM STEP HEIGHT. WATER ENGINEERING, 7(23), 53-66. SID. https://sid.ir/paper/169515/en

Vancouver: Copy

EBRAHIMNEZHADIYAN H., MOLAEENIYA M.R.. FLOW PATTERN AND ENERGY DISSIPATION IN STEPPED SPILLWAY WITH NON-UNIFORM STEP HEIGHT. WATER ENGINEERING[Internet]. 2015;7(23):53-66. Available from: https://sid.ir/paper/169515/en

IEEE: Copy

H. EBRAHIMNEZHADIYAN, and M.R. MOLAEENIYA, “FLOW PATTERN AND ENERGY DISSIPATION IN STEPPED SPILLWAY WITH NON-UNIFORM STEP HEIGHT,” WATER ENGINEERING, vol. 7, no. 23, pp. 53–66, 2015, [Online]. Available: https://sid.ir/paper/169515/en

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