Numerical simulation method of erosion-corrosion of high-pressure X65 pipe bends in CO2 corrosion environment

被引：1
作者：
Wang, Huakun [1 ]
Zhao, Xiaoyu [2 ]
Yu, Yang [3 ]
Zhu, Yesen [4 ]
Zhang, Qiliang [5 ]
Xu, Yunze [5 ]
机构：
[1] Xiamen Univ, Dept Civil Engn, Fujian Key Lab Digital Simulat Coastal Civil Engn, Xiamen 361005, Peoples R China
[2] China Ship Sci Res Ctr, Wuxi 214082, Peoples R China
[3] Tianjin Univ, State Key Lab Hydraul Engn Simulat & Safety, Tianjin 300072, Peoples R China
[4] Power China Huadong Engn Corp Ltd, Hangzhou 311122, Peoples R China
[5] Dalian Univ Technol, Sch Naval Architecture & Ocean Engn, Linggong Rd 2, Dalian 116024, Liaoning, Peoples R China
来源：
MULTISCALE AND MULTIDISCIPLINARY MODELING EXPERIMENTS AND DESIGN | 2024年 / 7卷 / 03期
基金：
中国国家自然科学基金;
关键词：
Erosion-corrosion; FAC; Mechano-electrochemical; X65; CO2; corrosion; FLOW-ACCELERATED CORROSION; RANDOM PITTING DEFECTS; SOLID PARTICLE IMPACT; CARBON-STEEL; ELECTROCHEMICAL CORROSION; SLURRY EROSION; PRACTICAL ESTIMATION; COLLAPSE PRESSURE; STAINLESS-STEEL; ALUMINUM-ALLOY;
D O I：
10.1007/s41939-023-00340-z
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This study aims at proposing a numerical simulation method of the erosion-corrosion (EC) of high-pressure pipe caused by solid-liquid two phase flow and acid aggressive solution. A modified flow-accelerated corrosion (FAC) model and Stress-accelerated Erosion (SAE) model were proposed. For EC prediction, both stress-accelerated erosion (SAE) and corrosion (SAC) effects, the FAC effect, and the synergistic effect between erosion and corrosion, including erosion-enhanced corrosion (C-E) and corrosion-enhanced erosion (EC), were all considered, and the total EC damage was obtained based on the linear cumulative damage rule. After model validation, a thoroughly parametric study was carried out, including the effect of flow velocity, operation pressure, mass flow rate, and particle size. Besides, the erosion scar on damage evolution was also discussed, and the proportion of each damage component in total EC damage is systematically studied.
引用
收藏
页码：2461 / 2487
页数：27
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