长期输送含沙流体的管道因泥沙颗粒冲蚀而导致局部变形、坑蚀甚至裂纹,影响系统运行安全。为量化分析管道磨损深度变化,采用冲蚀-动网格耦合方法,通过数值研究分析90°弯管在运行1、20、40、60 h后的冲蚀变形量。该方法利用自适应时间步长内的壁面冲蚀率更新网格位置,从而更精确地量化磨损变形。结果显示,随着时间增加,最大冲蚀率和最大冲蚀深度呈非线性增长。每延长20 h
Tarodiya Rahul,Levy Avi.Erosion coupled dynamic mesh analysis for location of maximum erosion in 90-degree bends for gas-solid flows[J].Advanced Powder Technology,2023.
Wang Qiuchen,Huang Qiyu,Wang Nianrong,Wen Yunhao,Ba Xili,Sun Xu,Zhang Jun,Karimi Soroor,Shirazi Siamack A..An experimental and numerical study of slurry erosion behavior in a horizontal elbow and elbows in series[J].Engineering Failure Analysis,2021.
Bilal Faris S.,Sedrez Thiana A.,Shirazi Siamack A..Experimental and CFD investigations of 45 and 90 degrees bends and various elbow curvature radii effects on solid particle erosion[J].Wear,2021.
Carlos Antonio Ribeiro Duarte,Francisco José de Souza.Dynamic mesh approaches for eroded shape predictions[J].Wear,2020.
V.B. Nguyen,Q.B. Nguyen,Z.G. Liu,S. Wan,C.Y.H. Lim,Y.W. Zhang.A combined numerical–experimental study on the effect of surface evolution on the water–sand multiphase flow characteristics and the material erosion behavior[J].Wear,2014.
G. Grant,W. Tabakoff.Erosion Prediction in Turbomachinery Resulting from Environmental Solid Particles[J].Journal of Aircraft,1975.
Mazumder Quamrul H.,Shirazi Siamack A.,McLaury Brenton.Experimental Investigation of the Location of Maximum Erosive Wear Damage in Elbows[J].Journal of Pressure Vessel Technology,2008.
Y.I. Oka,T. Yoshida.Practical estimation of erosion damage caused by solid particle impact Part 2: Mechanical properties of materials directly associated with erosion damage[J].Wear,2005.