NUMERICAL STUDY OF THE EFFECT OF ANGLE AND DISTANCE BETWEEN HUB AND SHROUD AT THE OUTPUT PASSAGE OF IMPELLER ON ONE STAGE OF ESP PUMP

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HOSEINIPARAST MEHDI; GHADIRI DEHKORDI BEHZAD; FALLAH SALEH

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Journal: Modares Mechanical Engineering Year:2017 | Volume:17 | Issue:6 Page(s): 149-156

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Title

NUMERICAL STUDY OF THE EFFECT OF ANGLE AND DISTANCE BETWEEN HUB AND SHROUD AT THE OUTPUT PASSAGE OF IMPELLER ON ONE STAGE OF ESP PUMP

Author(s)

HOSEINIPARAST MEHDI | GHADIRI DEHKORDI BEHZAD | FALLAH SALEH | Issue Writer Certificate

Keywords

ESP PUMPQ1

OIL PUMPQ1

IMPELLERQ1

HEADQ1

EFFICIENCYQ2

Abstract

The centrifugal pumps are widely used in the oil industry and play a vital role. Thus, performance optimization is very important in the centrifugal pumps. In this paper, 3-D flow of centrifugal ESP PUMP has been numerically simulated. This study aimed to investigate the geometrical variation effect on the performance and flow pattern inside one stage of the pump. For this purpose, the effect of distance and angle between hub and shroud at passage outlet of IMPELLER on pump performance has been assessed. The presented model is centrifugal pump with 3500 rpm with six blades for IMPELLER and eight blades for diffuser. The ANSYS-CFX software has been used in this investigation. Frozen rotor is used in order to model the IMPELLER and diffuser, movement of the multi reference frame and for interconnection of them. Furthermore, the K-w sst turbulence model is applied. The results of simulation are well-adapted with experimental results. The result of this study demonstrated that by increasing 8.25 degree of the angle between hub and shroud, the amount of HEAD and EFFICIENCY rise up in the pump. It also shows the optimum distance between hub and shroud by considering the goal of simultaneous maximizing of HEAD and EFFICIENCY is 1 mm. Variation of two parameters of one stage of pump, simultaneously, causes the HEAD to increase by 7.6% and EFFICIENCY by 1.65%. These variations have occurred due to the separation region of flow decrease on the surface of the diffuser blades.

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APA: Copy

HOSEINIPARAST, MEHDI, GHADIRI DEHKORDI, BEHZAD, & FALLAH, SALEH. (2017). NUMERICAL STUDY OF THE EFFECT OF ANGLE AND DISTANCE BETWEEN HUB AND SHROUD AT THE OUTPUT PASSAGE OF IMPELLER ON ONE STAGE OF ESP PUMP. MODARES MECHANICAL ENGINEERING, 17(6 ), 149-156. SID. https://sid.ir/paper/179232/en

Vancouver: Copy

HOSEINIPARAST MEHDI, GHADIRI DEHKORDI BEHZAD, FALLAH SALEH. NUMERICAL STUDY OF THE EFFECT OF ANGLE AND DISTANCE BETWEEN HUB AND SHROUD AT THE OUTPUT PASSAGE OF IMPELLER ON ONE STAGE OF ESP PUMP. MODARES MECHANICAL ENGINEERING[Internet]. 2017;17(6 ):149-156. Available from: https://sid.ir/paper/179232/en

IEEE: Copy

MEHDI HOSEINIPARAST, BEHZAD GHADIRI DEHKORDI, and SALEH FALLAH, “NUMERICAL STUDY OF THE EFFECT OF ANGLE AND DISTANCE BETWEEN HUB AND SHROUD AT THE OUTPUT PASSAGE OF IMPELLER ON ONE STAGE OF ESP PUMP,” MODARES MECHANICAL ENGINEERING, vol. 17, no. 6 , pp. 149–156, 2017, [Online]. Available: https://sid.ir/paper/179232/en

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