EFFECT OF SUBMERGED VANES ON INTAKE RATIO AND WATER SURFACEPROFILE AT 
90O DIVERSION

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HASANPOUR F.; AYOUBZADEH SEYED ALI; GHODSIAN MASOUD; MOHAMMAD VALI SAMANI J.

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Journal: Year:2008 | Volume:20 | Issue:4 (77 IN NATURAL RESOURCES) Page(s): 104-114

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Title

EFFECT OF SUBMERGED VANES ON INTAKE RATIO AND WATER SURFACEPROFILE AT 90O DIVERSION

Author(s)

HASANPOUR F. | AYOUBZADEH SEYED ALI | GHODSIAN MASOUD | MOHAMMAD VALI SAMANI J. | Issue Writer Certificate

Keywords

LATERAL INTAKEQ3

SUBMERGED VANESQ4

INTAKE RATIOQ3

WATER SURFACE PROFILEQ3

Abstract

Submerged vanes are hydraulic structures for sediment control at intake entrance. In this paper, hydraulic performance of these structures within high Froude Numbers was studied experimentally. A total of 24 experiments were carried out in a flume with 17m length, 40 cm width and 900 diversion angle with and without using a set of SUBMERGED VANES. Effects of angle variations of SUBMERGED VANES and discharge on INTAKE RATIO and WATER SURFACE PROFILEs near intake in main channel were investigated. The results showed that application of SUBMERGED VANES, regardless of their angles, cause the increase of water surface elevations near upstream vanes when flow parameter was 169 (30 lps, sub-critical flow) in main channel. Also, due to their relative high angle, an increase in water surface elevation was observed near upstream of 25o angle vanes when flow rate was 339 (60 lps, super-critical flow) in main channel. The experimental results indicated that in supercritical flow a sudden increase in flow depth occurred downstream close to intake when the SUBMERGED VANES were not used. Compared to the condition with no vanes, the results showed that the application of 25o angle SUBMERGED VANES causes an increase in INTAKE RATIO. However, a reduction in INTAKE RATIO was observed in the case of 150 angle vanes and no change was observed in INTAKE RATIO when the angle was 20o.

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APA: Copy

HASANPOUR, F., AYOUBZADEH, SEYED ALI, GHODSIAN, MASOUD, & MOHAMMAD VALI SAMANI, J.. (2008). EFFECT OF SUBMERGED VANES ON INTAKE RATIO AND WATER SURFACEPROFILE AT 90^O DIVERSION. PAJOUHESH-VA-SAZANDEGI, 20(4 (77 IN NATURAL RESOURCES)), 104-114. SID. https://sid.ir/paper/19874/en

Vancouver: Copy

HASANPOUR F., AYOUBZADEH SEYED ALI, GHODSIAN MASOUD, MOHAMMAD VALI SAMANI J.. EFFECT OF SUBMERGED VANES ON INTAKE RATIO AND WATER SURFACEPROFILE AT 90^O DIVERSION. PAJOUHESH-VA-SAZANDEGI[Internet]. 2008;20(4 (77 IN NATURAL RESOURCES)):104-114. Available from: https://sid.ir/paper/19874/en

IEEE: Copy

F. HASANPOUR, SEYED ALI AYOUBZADEH, MASOUD GHODSIAN, and J. MOHAMMAD VALI SAMANI, “EFFECT OF SUBMERGED VANES ON INTAKE RATIO AND WATER SURFACEPROFILE AT 90^O DIVERSION,” PAJOUHESH-VA-SAZANDEGI, vol. 20, no. 4 (77 IN NATURAL RESOURCES), pp. 104–114, 2008, [Online]. Available: https://sid.ir/paper/19874/en

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