Investigation of the Discharge Coefficient and Energy loss in a semi Cylindrical weir and semi Cylindrical Weir-gate

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ALIZADEH F.; SANEIE M.; MASOUDIAN M.

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Paper Information

Journal: AMIRKABIR JOURNAL OF CIVIL ENGINEERING (AMIRKABIR) Year:2018 | Volume:50 | Issue:3 Page(s): 499-510

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Information Journal Paper

Title

Investigation of the Discharge Coefficient and Energy loss in a semi Cylindrical weir and semi Cylindrical Weir-gate

Author(s)

ALIZADEH F. | SANEIE M. | MASOUDIAN M. | Issue Writer Certificate

Keywords

Discharge CoefficientQ1

Less FlowQ1

Semi Cylindrical StructuresQ1

Hydraulics FlowQ1

Wire-GateQ1

Abstract

The present research investigate the Discharge Coefficient and energy loss flows of semi cylindrical Wire-Gate. The experiments were conducted in rectangular flume with the length of 8 m, width of 0. 282 m and height of 0. 3 m. In fact, the soil conservation and watershed management research that occurred in laboratory, used the physical models with diameters of 70, 120 and 160 mm in height of the opening between zero until radius and differently discharging. The ratio of cylindrical structure diameter to channel width (D/B) was included range of 0. 25 to 0. 57 and the Froude number was conducted range of 0. 012 to 0. 55. The research showed that all angles alignment structure Discharge Coefficient and dimensionless parameter Hf/H (the ratio of energy loss to the water depth upstream) cases curvature upstream and curvature of the downstream respectively with increasing dimensionless parameter H/P, increases and decreases. The constant a (H / P), Discharge Coefficient and dimensionless parameter Hf / H when the curvature is upstream semi cylindrical Wire-Gate due to the gradual shrinkage of flow lines and thus decrease the input is less than the curvature is downstream structure.

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APA: Copy

ALIZADEH, F., SANEIE, M., & MASOUDIAN, M.. (2018). Investigation of the Discharge Coefficient and Energy loss in a semi Cylindrical weir and semi Cylindrical Weir-gate. AMIRKABIR JOURNAL OF CIVIL ENGINEERING (AMIRKABIR), 50(3 ), 499-510. SID. https://sid.ir/paper/165750/en

Vancouver: Copy

ALIZADEH F., SANEIE M., MASOUDIAN M.. Investigation of the Discharge Coefficient and Energy loss in a semi Cylindrical weir and semi Cylindrical Weir-gate. AMIRKABIR JOURNAL OF CIVIL ENGINEERING (AMIRKABIR)[Internet]. 2018;50(3 ):499-510. Available from: https://sid.ir/paper/165750/en

IEEE: Copy

F. ALIZADEH, M. SANEIE, and M. MASOUDIAN, “Investigation of the Discharge Coefficient and Energy loss in a semi Cylindrical weir and semi Cylindrical Weir-gate,” AMIRKABIR JOURNAL OF CIVIL ENGINEERING (AMIRKABIR), vol. 50, no. 3 , pp. 499–510, 2018, [Online]. Available: https://sid.ir/paper/165750/en

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