NUMERICAL SIMULATION OF HYDRAULIC JUMP ON CORRUGATED BEDS

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KAHEH M.; DEHGHANI A.A.

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Journal: Journal of Water and Soil Conservation Year:2013 | Volume:20 | Issue:5 Page(s): 41-60

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Title

NUMERICAL SIMULATION OF HYDRAULIC JUMP ON CORRUGATED BEDS

Author(s)

KAHEH M. | DEHGHANI A.A. | Issue Writer Certificate

Keywords

HYDRAULIC JUMPQ1

CORRUGATED BEDSQ2

VOFQ1

RNG K-εQ2

Abstract

One of the ways to improve characteristics of HYDRAULIC JUMP is using CORRUGATED BEDS in location that HYDRAULIC JUMP is occurred as the CORRUGATED BEDS by causing strong turbulence in flow, increased Reynolds stress and reduced velocity and second depth of jump. In this study, by applying VOF method and turbulent models of k-e and RNG k-e, a series of HYDRAULIC JUMPs on corrugated bed by 13 mm height and 68 mm wave length in a range of Froud number from 3.5 to 8.5 were performed and results were compared by some experimental data.Results of this research showed that the proposed model by applying RNG k-ε turbulent model that has fine ability to modeling flow with high shear stress, estimated second depth, length of jump and velocity distribution of HYDRAULIC JUMP on CORRUGATED BEDS, very well. In addition, the results indicated that the numerical model could estimate shear stress coefficient of jump on corrugated bed close to the experimental results. The estimated value of shear stress coefficient on corrugated bed by numerical model was 10 times of this value in classical HYDRAULIC JUMP.

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APA: Copy

KAHEH, M., & DEHGHANI, A.A.. (2013). NUMERICAL SIMULATION OF HYDRAULIC JUMP ON CORRUGATED BEDS. JOURNAL OF WATER AND SOIL CONSERVATION (JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES), 20(5), 41-60. SID. https://sid.ir/paper/156306/en

Vancouver: Copy

KAHEH M., DEHGHANI A.A.. NUMERICAL SIMULATION OF HYDRAULIC JUMP ON CORRUGATED BEDS. JOURNAL OF WATER AND SOIL CONSERVATION (JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES)[Internet]. 2013;20(5):41-60. Available from: https://sid.ir/paper/156306/en

IEEE: Copy

M. KAHEH, and A.A. DEHGHANI, “NUMERICAL SIMULATION OF HYDRAULIC JUMP ON CORRUGATED BEDS,” JOURNAL OF WATER AND SOIL CONSERVATION (JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES), vol. 20, no. 5, pp. 41–60, 2013, [Online]. Available: https://sid.ir/paper/156306/en

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