Investigation of the Effect of Symmetrical Deflector Angle on Performance of Vertical Intake

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Esmaeili Zadeh S.; LASHKAR ARA B.

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Paper Information

Journal: Irrigation and Drainage Structures Engineering Research Year:2020 | Volume:20 | Issue:77 Page(s): 89-110

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Information Journal Paper

Title

Investigation of the Effect of Symmetrical Deflector Angle on Performance of Vertical Intake

Author(s)

Esmaeili Zadeh S. | LASHKAR ARA B. | Issue Writer Certificate

Keywords

Critical Submergence DepthQ1

Rotational FlowQ1

Spherical Sink SurfaceQ1

Vortex FormationQ1

Abstract

Introduction: Formation of air-entraining vortices in an intake leads to unsteady flow and cause problems such as vibration in hydro mechanical equipment, abnormal noises, severe fluctuations in local pressures and exacerbated cavitation conditions (Chen & Chen, 2015). As stated by (Sarkardeh, 2017) the stronger vortex the greater will be its negative effects on intake performance. There have been many studies on the critical submerged depth and Vortex Formation in intakes. (Kocabas & Yildirim, 2002) investigated the effect of Rotational Flow on the critical submerged depth in intakes and found that the Vortex Formation with the air-core vortex and the critical submerged depth was significantly dependent on the approach flow conditions and the inlet geometry. Therefore, a separate case study should be undertaken to address any structure with a particular geometry. In this paper, the effect of flow rate deviation due to the use of a deflector on a vertical intake was investigated. In this paper, also the variation of submerged depth, Froude number, vortex type, and critical submerged depth was discussed...

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APA: Copy

Esmaeili Zadeh, S., & LASHKAR ARA, B.. (2020). Investigation of the Effect of Symmetrical Deflector Angle on Performance of Vertical Intake. IRRIGATION AND DRAINAGE STRUCTURES ENGINEERING RESEARCH , 20(77 ), 89-110. SID. https://sid.ir/paper/366015/en

Vancouver: Copy

Esmaeili Zadeh S., LASHKAR ARA B.. Investigation of the Effect of Symmetrical Deflector Angle on Performance of Vertical Intake. IRRIGATION AND DRAINAGE STRUCTURES ENGINEERING RESEARCH [Internet]. 2020;20(77 ):89-110. Available from: https://sid.ir/paper/366015/en

IEEE: Copy

S. Esmaeili Zadeh, and B. LASHKAR ARA, “Investigation of the Effect of Symmetrical Deflector Angle on Performance of Vertical Intake,” IRRIGATION AND DRAINAGE STRUCTURES ENGINEERING RESEARCH , vol. 20, no. 77 , pp. 89–110, 2020, [Online]. Available: https://sid.ir/paper/366015/en

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