INFLUENCE OF GATE PLATE SLOPE ON HYDRAULIC CHARACTERISTICS OF SLUICE GATES

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ILKHANIPOUR ZEYNALI RASOUL; MOUSAVI JAHROMI SAYYED HABIB; KASHEFIPOUR DEZFOULI SAYYED MAHMOUD; FATHI MOGHADAM MANOUCHEHR

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Journal: JOURNAL OF WATER AND SOIL RESOURCES CONSERVATION Year:2015 | Volume:4 | Issue:4 Page(s): 1-10

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Title

INFLUENCE OF GATE PLATE SLOPE ON HYDRAULIC CHARACTERISTICS OF SLUICE GATES

Author(s)

ILKHANIPOUR ZEYNALI RASOUL | MOUSAVI JAHROMI SAYYED HABIB | KASHEFIPOUR DEZFOULI SAYYED MAHMOUD | FATHI MOGHADAM MANOUCHEHR | Issue Writer Certificate

Keywords

CONTRACTION COEFFICIENTQ1

RADIAL GATEQ2

SLUICE GATE SLOPEQ2

TOP HINGED FLAP GATEQ2

Abstract

Gate plate slope has an important role on hydraulic characteristics of sluice gates. In the previous studies, the influence of gate plate slope on hydraulic characteristics of sluice gates has not investigated theoretically. By applying the results of this theoretical study, the theoretical relations for discharge characteristics of sluice gates will be obtained depend on the gate plate slope. These theoretical and simple relations can be used to radial and TOP HINGED FLAP GATEs, instead of long and complicated empirical and dimensional analyses-based equations. In this order, Euler’s equation was used to relate the specific energy of inclined sluice gate with specific energy of vertical sluice gate in rectangular channels under free orifice-flow condition. The gate plate slope was considered in the stream wise component of the gravitational acceleration in Euler’s equation. The ratio of inclined to vertical sluice gates specific energies obtained depends on the gate plate slope. The equation allows for the gate plate inclinations into the upstream pool. By applying the relation for specific energies ratio along the surface streamline, the water depths ratio at the vena contracta obtained depends on the gate plate slope with assuming negligible energy loss and approach velocities. Experimental data were used to validate the proposed equation for water depths ratio at the vena contracta, which showed good agreement with the measured values. Also, other equations presented for contraction and discharge coefficients variation with the gate plate slope. The proposed relation for CONTRACTION COEFFICIENT developed to radial and TOP HINGED FLAP GATEs.

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References

EFFECT OF APPROACH LENGTH AND ANGLE OF SKI JUMP ON THE OUTLET TRAJECTORY

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APA: Copy

ILKHANIPOUR ZEYNALI, RASOUL, MOUSAVI JAHROMI, SAYYED HABIB, KASHEFIPOUR DEZFOULI, SAYYED MAHMOUD, & FATHI MOGHADAM, MANOUCHEHR. (2015). INFLUENCE OF GATE PLATE SLOPE ON HYDRAULIC CHARACTERISTICS OF SLUICE GATES. JOURNAL OF WATER AND SOIL RESOURCES CONSERVATION, 4(4), 1-10. SID. https://sid.ir/paper/232161/en

Vancouver: Copy

ILKHANIPOUR ZEYNALI RASOUL, MOUSAVI JAHROMI SAYYED HABIB, KASHEFIPOUR DEZFOULI SAYYED MAHMOUD, FATHI MOGHADAM MANOUCHEHR. INFLUENCE OF GATE PLATE SLOPE ON HYDRAULIC CHARACTERISTICS OF SLUICE GATES. JOURNAL OF WATER AND SOIL RESOURCES CONSERVATION[Internet]. 2015;4(4):1-10. Available from: https://sid.ir/paper/232161/en

IEEE: Copy

RASOUL ILKHANIPOUR ZEYNALI, SAYYED HABIB MOUSAVI JAHROMI, SAYYED MAHMOUD KASHEFIPOUR DEZFOULI, and MANOUCHEHR FATHI MOGHADAM, “INFLUENCE OF GATE PLATE SLOPE ON HYDRAULIC CHARACTERISTICS OF SLUICE GATES,” JOURNAL OF WATER AND SOIL RESOURCES CONSERVATION, vol. 4, no. 4, pp. 1–10, 2015, [Online]. Available: https://sid.ir/paper/232161/en

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