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Research Paper | Mechanical Engineering | China | Volume 7 Issue 6, June 2018 | Popularity: 6.9 / 10

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Simulation and Analysis on Flow Field of Nozzle Position of Hydraulic Thruster Based on CFD

Xie Wujun, Zhang Derong, Wu Simeng, Pu Yangfeng

Abstract: In this paper, the flow field characteristics of the nozzle of a hydraulic hydraulic thruster are analyzed by CFD method based on the design of the nozzle part of the hydraulic thruster. The analysis results show that the velocity vector map and the pressure cloud map of the flow field model gradually increase from the inlet to the nozzle, and then gradually decrease from the nozzle to the outlet. The erosion area is mainly located near the flow area of the nozzle. The maximum erosion speed is in the flow part of the nozzle. The pressure is gradually smaller from the inlet to the outlet. The pressure is gradually reduced from the inlet to the nozzle, and then the nozzle to the outlet is gradually increased, and the pressure of the nozzle is minimal, the flow velocity of the pipe is found to be change about 60~90m/s from exit to entrance. The mainstream fluid pressure increases gradually from inlet to outlet, and changes from about 25.5MPa~26.5MPa. The three-dimensional flow of the flow field near the nozzle of a hydraulic thruster under different velocity and pressure is simulated by CFD software, which provides a new basis for the design of the nozzle structure of the hydraulic thruster.

Keywords: Hydraulic thruster, Flow field, CFD, Simulation

Edition: Volume 7 Issue 6, June 2018

Pages: 1515 - 1520

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