THE EFFECTS OF INTAKE ANGLE ON THE DISCHARGE AND SEDIMENT RATIO TO AN INTAKE IN A 90 DEGREE CONVERGENCE BEND

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NAZARI S.; SHAFAI BEJESTAN M.

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Journal: Watershed Management Research Year:2010 | Volume:23 | Issue:2 (87) Page(s): 72-81

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Title

THE EFFECTS OF INTAKE ANGLE ON THE DISCHARGE AND SEDIMENT RATIO TO AN INTAKE IN A 90 DEGREE CONVERGENCE BEND

Author(s)

NAZARI S. | SHAFAI BEJESTAN M. | Issue Writer Certificate

Keywords

CONVERGENCE BENDQ3

INTAKEQ3

RIVER BENDQ2

INTAKE ANGLEQ3

SEDIMENT RATIOQ3

Abstract

In a RIVER BEND transport of sediment from the outer bank to the inner bank causes that the point bars developed in the inner bank and thus a CONVERGENCE BEND is created, Because of this the flow pattern will be different compare to the normal bend, Previous studies on the INTAKE on a normal bend have shown that the best INTAKE angle in the 60 degree location of the normal bend is 60 degrees, In order to investigate that this founding can be apply for a CONVERGENCE BEND or not, this study was conducted, To reach such goal experimental tests were conducted in a 90 degree CONVERGENCE BEND, The INTAKE was installed in 60 degree location of the bend and the rate of INTAKE discharge and sediment were measured under different subcritical flow conditions, The flume bed was covered by uniform sediment of 1 mm, All tests were conducted under live bed conditions, It was found from these tests that the discharge ratio decreases as the flow Froude number increases and for any Froude number, it increases when the INTAKE angle changes from 30 to 45 degree and then is reduced as the INTAKE angle increases, The SEDIMENT RATIO also increases when the Froude number increases, For any Froude number the SEDIMENT RATIO for the 45 degree INTAKE angle is less than the other INTAKE angles which were tested.

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APA: Copy

NAZARI, S., & SHAFAI BEJESTAN, M.. (2010). THE EFFECTS OF INTAKE ANGLE ON THE DISCHARGE AND SEDIMENT RATIO TO AN INTAKE IN A 90 DEGREE CONVERGENCE BEND. WATERSHED MANAGEMENT RESEARCHES (PAJOUHESH-VA-SAZANDEGI), 23(2 (87)), 72-81. SID. https://sid.ir/paper/200617/en

Vancouver: Copy

NAZARI S., SHAFAI BEJESTAN M.. THE EFFECTS OF INTAKE ANGLE ON THE DISCHARGE AND SEDIMENT RATIO TO AN INTAKE IN A 90 DEGREE CONVERGENCE BEND. WATERSHED MANAGEMENT RESEARCHES (PAJOUHESH-VA-SAZANDEGI)[Internet]. 2010;23(2 (87)):72-81. Available from: https://sid.ir/paper/200617/en

IEEE: Copy

S. NAZARI, and M. SHAFAI BEJESTAN, “THE EFFECTS OF INTAKE ANGLE ON THE DISCHARGE AND SEDIMENT RATIO TO AN INTAKE IN A 90 DEGREE CONVERGENCE BEND,” WATERSHED MANAGEMENT RESEARCHES (PAJOUHESH-VA-SAZANDEGI), vol. 23, no. 2 (87), pp. 72–81, 2010, [Online]. Available: https://sid.ir/paper/200617/en

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