哈尔滨工程大学学报2024，Vol.45Issue(6)：1127-1134,8.DOI:10.11990/jheu.202312034
履齿结构对深海沉积物扰动分析
Deep-sea sediment disturbance analysis using a tracked teeth structure
摘要
Abstract
To investigate the disturbance mechanism of the track movement on deep-sea sediment during the trave-ling process of an ore-collecting vehicle and to establish a simulation model applicable to the role of mechanical structure and sediment—combined with an experimental and simulation water flume analysis—a control test was set up to study the disturbance effect of mechanical structure movement on the thin and soft substrate and the phenome-non of plume flow diffusion.The experimental and simulation results show that the offset zigzag tracked teeth per-form better in low disturbance,with<1.5 m/s as the maximum speed of disturbance;the subsidence depth and ro-tational speed of the disturbance source considerably affect the change in turbidity in the flume,with maximum and minimum measurements of the turbidimeter of 4 381.3 mg/L and 3 073.3 mg/L,respectively,having a difference of 29.9%,and a difference of>50%in the peak time.The Eulerian multiphase flow(EMP)model was construc-ted,and the parameters and boundary conditions were set.The simulation is near the experimental result and can be used to study mechanical perturbation in a small range.关键词
深海采矿/履齿/沉积物/扰动/水槽实验/欧拉多相流模型/浊度/数值仿真Key words
deep-sea mining/tracked teeth/sediment/disturbance/flume experiment/Eulerian multiphase flow(EMP)model/turbidity/numerical simulation分类
机械制造引用本文复制引用
胡琼,王洋洋,欧雨佳,朱静妍..履齿结构对深海沉积物扰动分析[J].哈尔滨工程大学学报,2024,45(6):1127-1134,8.基金项目
国家重点研发计划(2021YFC2801701-02) （2021YFC2801701-02）
湖南省揭榜制(2021JC0010) （2021JC0010）
湖南省科技重大专项(2020GK1022). （2020GK1022）
