Numerical Simulation of the Erosion Characteristics of T-shape Blind Elbow by Solid Particles

CAO Xuewen; ZHANG Yichi; SUN Xiaoyang; QIAO Xin

doi:10.11973/fsyfh-202101007

Corrosion & Protection > 2021 > 42(1): 30-35. > DOI: 10.11973/fsyfh-202101007

CAO Xuewen, ZHANG Yichi, SUN Xiaoyang, QIAO Xin. Numerical Simulation of the Erosion Characteristics of T-shape Blind Elbow by Solid Particles[J]. Corrosion & Protection, 2021, 42(1): 30-35. DOI: 10.11973/fsyfh-202101007

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Numerical Simulation of the Erosion Characteristics of T-shape Blind Elbow by Solid Particles

1. China University of Petroleum, Qingdao 266000, China;
2. PetroChina Oil&Gas Pipeline Control Center, Beijing 100007, China

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Received Date: December 14, 2018

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Abstract

Euler-Lagrange method was used to simulate the erosion degree of the gas-solid two-phase flow in a T-shape blind elbow. Through numerical simulation, the flow field distribution in the T-shape blind elbow and the maximum erosion rate in different blind elbow lengths were obtained. The results show that the gas flow field could form a gas vortex in the latter half of the T-shaped blind elbow, which helped to reduce the erosion rate of the solid particles on the wall. The erosion rate decreased with the increase of the length of the blind elbow, the maximum erosion position of the T-type blind tube was located in the end of blind tube. With the increase of the length of the blind tube, the maximum erosion position gradually moved down and there was more influence of the length of the blind elbow on the erosion rate. Also the larger size of the particle, the greater the erosion rate was.
- T-shape blind elbow,
- multiphase flow,
- erosion rate,
- blind elbow length,
- particle track

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