EFFECT OF WEIR FLOW ON GATE DISCHARGE IN COMBINED CYLINDRICAL WEIR- GATE

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GHARAHGEZLOU M.; MASOUDIAN M.; HABER B.; SALEHI NEYSHABOURY S.A.A.

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Paper Information

Journal: Journal of Irrigation and Water Engineering Year:2013 | Volume:3 | Issue:11 Page(s): 86-95

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Title

EFFECT OF WEIR FLOW ON GATE DISCHARGE IN COMBINED CYLINDRICAL WEIR- GATE

Author(s)

GHARAHGEZLOU M. | MASOUDIAN M. | HABER B. | SALEHI NEYSHABOURY S.A.A. | Issue Writer Certificate

Keywords

CYLINDRICALQ2

DISCHARGE COEFFICIENTQ2

GATEQ1

WEIRQ1

Abstract

Problems related to sedimentation and depositions can be minimized by using a system where WEIRs and GATE are combined in open canals while the floated materials run over and sediments run under the structure. Because of effect of overflow on underflow, the variation rate of DISCHARGE COEFFICIENT with geometric and hydraulic parameters is different with their use each other separately. It is important for CYLINDRICAL WEIR-gate because the flow nape will sit on the WEIR completely the current work describes the results of experimental investigation on effect of WEIR flow on GATE DISCHARGE COEFFICIENT for CYLINDRICAL WEIR-gate. In this way the GATE discharge is measured against upstream water depth in two condition of WEIR flow and without WEIR flow. The experiments are carried out in a laboratory flume 10 m length, 60 cm wide and 70 cm height. Results indicate that increasing dimensionless parameters of Hw/a and Hw/D cause decreasing the DISCHARGE COEFFICIENT for WEIR flow and it rises about 1-25% without WEIR flow. For a constant values of the Hw/a increasing the GATE height, the effect of WEIR on GATE DISCHARGE COEFFICIENT decreases for the CYLINDRICAL WEIR-gate.

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APA: Copy

GHARAHGEZLOU, M., MASOUDIAN, M., HABER, B., & SALEHI NEYSHABOURY, S.A.A.. (2013). EFFECT OF WEIR FLOW ON GATE DISCHARGE IN COMBINED CYLINDRICAL WEIR- GATE. IRANIAN OF IRRIGATION & WATER ENGINEERING, 3(11), 86-95. SID. https://sid.ir/paper/247272/en

Vancouver: Copy

GHARAHGEZLOU M., MASOUDIAN M., HABER B., SALEHI NEYSHABOURY S.A.A.. EFFECT OF WEIR FLOW ON GATE DISCHARGE IN COMBINED CYLINDRICAL WEIR- GATE. IRANIAN OF IRRIGATION & WATER ENGINEERING[Internet]. 2013;3(11):86-95. Available from: https://sid.ir/paper/247272/en

IEEE: Copy

M. GHARAHGEZLOU, M. MASOUDIAN, B. HABER, and S.A.A. SALEHI NEYSHABOURY, “EFFECT OF WEIR FLOW ON GATE DISCHARGE IN COMBINED CYLINDRICAL WEIR- GATE,” IRANIAN OF IRRIGATION & WATER ENGINEERING, vol. 3, no. 11, pp. 86–95, 2013, [Online]. Available: https://sid.ir/paper/247272/en

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