Simulation analysis of hydraulic characteristics of pipeline vehicle vibration migration based on Fluent
ZHANG Chunjin1,2,3, ZHANG Xueqin4,5, ZHANG Min1, LI Yongye3, SUN Xihuan3
1.Key Laboratory of Lower Yellow River Channel and Estuary Regulation, MWR, Yellow River Institute of Hydraulic Research, Zhengzhou 450003, China; 2.State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Hohai University, Nanjing 210098, China;
3.School of Hydro Science & Engineering, Taiyuan University of Technology, Taiyuan 030024, China;
4.Jinan Yellow River Bureau, Zhangqiu Yellow River Bureau, Jinan 250200, China; 5.Department of Planning and Programming, Yellow River Conservancy Commission of the Ministry of Water Resources, Zhengzhou 450003, China
Abstract：Here, to analyze hydraulic characteristics of pipeline flow field when pipeline vehicle vibrates and moves, the software Fluent was used to simultaneously solve structural response of the pipeline vehicle and characteristics of the pipeline flow field.Reynolds time average momentum equations were used to calculate the pipeline flow field, and structural dynamic equations were used to calculate structural response of the pipeline vehicle.The results showed that it is feasible to analyze hydraulic characteristics of vibration migration of pipeline vehicle in straight pipeline by using fluid-structure interaction numerical simulation analysis; the translational velocity of the pipeline vehicle fluctuates irregularly within a very small range in straight pipeline, so the motion of the pipeline vehicle can be regarded as vibration migration; with increase in diameter ratio of the pipeline vehicle, the pipeline average pressure drop coefficient firstly decreases and then increases, while the mechanical efficiency of the pipeline vehicle firstly increases and then decreases; the study can have important reference value for mastering variation laws of flow velocity and pressure during vibration migration of pipeline vehicle.
张春晋，张学琴，张敏，李永业，孙西欢. 基于Fluent的管道车振动运移水力特性仿真分析[J]. 振动与冲击, 2021, 40(17): 70-75.
ZHANG Chunjin, ZHANG Xueqin, ZHANG Min, LI Yongye, SUN Xihuan. Simulation analysis of hydraulic characteristics of pipeline vehicle vibration migration based on Fluent. JOURNAL OF VIBRATION AND SHOCK, 2021, 40(17): 70-75.
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