Numerical simulation and multi-objective optimization of the centrifugal pump inducer

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SHOJAEEFARD MOHAMMAD HASSAN; ZARE JAVAD; HOSSEINI SEYED EHSAN

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Journal: Modares Mechanical Engineering Year:2018 | Volume:18 | Issue:7 Page(s): 205-216

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Title

Numerical simulation and multi-objective optimization of the centrifugal pump inducer

Author(s)

SHOJAEEFARD MOHAMMAD HASSAN | ZARE JAVAD | HOSSEINI SEYED EHSAN | Issue Writer Certificate

Keywords

InducerQ1

Centrifugal pumpQ2

Artificial neural networkQ2

Multi-objective optimizationQ2

Abstract

Inducers are important devices which are mounted upstream of the inlet to the main impeller of the Centrifugal pump to achieve higher suction performance and rotate with the same speed as the impeller. Inducers improve the hydraulic performance and lifespan of the pump through increasing the inlet pressure, but the quantity of the improvement is dependent on the geometrical parameters of the Inducer. Therefore, the optimization of these parameters is crucial. In the present study, the performance of an Inducer is optimized by considering the inlet tip blade angle, the outlet tip blade angle and the ratio of the outlet hub radius to inlet hub radius as design variables and the head coefficient, the hydraulic efficiency and the required net positive suction head as objective functions. The Inducer performance is simulated using 3-D computational fluid dynamics and compared with experimental data which shows the validity of the used method and assumptions. The Artificial neural network is used to relate between design variables and objective functions. Then, the Pareto fronts are plotted using the modified non-dominated sorting genetic algorithm II and the proposed optimum points are presented using nearest point to the ideal point method. Using multi objective optimization, the head coefficient, the hydraulic efficiency and the net positive suction head are improved 14. 3%, 0. 3% and 30. 2%, respectively. Recommended design points unveil important optimal design principles that would not have been obtained without the use of a multi objective optimization approach.

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APA: Copy

SHOJAEEFARD, MOHAMMAD HASSAN, ZARE, JAVAD, & HOSSEINI, SEYED EHSAN. (2018). Numerical simulation and multi-objective optimization of the centrifugal pump inducer. MODARES MECHANICAL ENGINEERING, 18(7 ), 205-216. SID. https://sid.ir/paper/179589/en

Vancouver: Copy

SHOJAEEFARD MOHAMMAD HASSAN, ZARE JAVAD, HOSSEINI SEYED EHSAN. Numerical simulation and multi-objective optimization of the centrifugal pump inducer. MODARES MECHANICAL ENGINEERING[Internet]. 2018;18(7 ):205-216. Available from: https://sid.ir/paper/179589/en

IEEE: Copy

MOHAMMAD HASSAN SHOJAEEFARD, JAVAD ZARE, and SEYED EHSAN HOSSEINI, “Numerical simulation and multi-objective optimization of the centrifugal pump inducer,” MODARES MECHANICAL ENGINEERING, vol. 18, no. 7 , pp. 205–216, 2018, [Online]. Available: https://sid.ir/paper/179589/en

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