Evaluate and develop new relationships to estimate submerged hydraulic jump characteristics

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GHASSEMI AMIN; OMID MOHAMMAD HOSSEIN; NASRABADI MOHSEN; RAEISI ESTABRAGH ALI

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Journal: Iranian Journal of Soil and Water Research Year:2017 | Volume:47 | Issue:4 Page(s): 755-764

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Title

Evaluate and develop new relationships to estimate submerged hydraulic jump characteristics

Author(s)

GHASSEMI AMIN | OMID MOHAMMAD HOSSEIN | NASRABADI MOHSEN | RAEISI ESTABRAGH ALI | Issue Writer Certificate

Keywords

Submerged Hydraulic jumpQ1

Water surface profileQ2

Submergence depth on the gateQ1

Relative energy lossQ1

Sensitivity analysisQ2

Abstract

In this research, in order to develop new relationships with reasonable accuracy for estimation of the Submerged Hydraulic jump characteristics, a study has been conducted experimentally. Experiments have been done in a rectangular channel with a length of 9 m, a width of 0. 5 m and a depth of 0. 45 m. Froude numbers in these tests range from 3. 5 to 11. 5 and between submergence ratios of 0. 1 to 4. According to the results, the water surfaces profiles have been obtained in different Froude numbers and submergence ratios. Also, some relationships with high accuracy to estimate such characteristics as jump length, submerged depth on the gate, and the Relative energy loss have been developed. The results also showed that, in a given Froude number, length and Relative energy loss for Submerged Hydraulic jump are, respectively, more and less than those for free hydraulic jumps. In addition, for Submerged Hydraulic jump, at a given Froude number, by increasing the submergence ratio, the jump length and Submergence depth on the gate increases and Relative energy loss decreases. Finally, using Sensitivity analysis technique, the effectiveness of dominant parameters on the developed expressions on the changes in Submergence depth on the gate parameters and Relative energy loss has been determined.

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APA: Copy

GHASSEMI, AMIN, OMID, MOHAMMAD HOSSEIN, NASRABADI, MOHSEN, & RAEISI ESTABRAGH, ALI. (2017). Evaluate and develop new relationships to estimate submerged hydraulic jump characteristics. IRANIAN JOURNAL OF SOIL AND WATER RESEARCH, 47(4 ), 755-764. SID. https://sid.ir/paper/225888/en

Vancouver: Copy

GHASSEMI AMIN, OMID MOHAMMAD HOSSEIN, NASRABADI MOHSEN, RAEISI ESTABRAGH ALI. Evaluate and develop new relationships to estimate submerged hydraulic jump characteristics. IRANIAN JOURNAL OF SOIL AND WATER RESEARCH[Internet]. 2017;47(4 ):755-764. Available from: https://sid.ir/paper/225888/en

IEEE: Copy

AMIN GHASSEMI, MOHAMMAD HOSSEIN OMID, MOHSEN NASRABADI, and ALI RAEISI ESTABRAGH, “Evaluate and develop new relationships to estimate submerged hydraulic jump characteristics,” IRANIAN JOURNAL OF SOIL AND WATER RESEARCH, vol. 47, no. 4 , pp. 755–764, 2017, [Online]. Available: https://sid.ir/paper/225888/en

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