Analysis of Flow Field for Repairing Robots in Pipes under Super Heavy Oil Environment
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摘要: 利用Fluent对管道内修复机器人周围流场情况进行了仿真分析，在此基础上模拟了在不同粘度的超稠油环境下，超稠油流体对机器人周围速度场的影响，并且对产生影响的部件进行改进；利用Ansys后处理进行面积分计算，讨论了不同粘度的超稠油对机器人表面产生的压力和粘性力的影响，得出超稠油环境中粘性力也作为推力的形式存在，分析了不同压差情况下机器人运动状态。Abstract: The flow field around the repair robot in the pipelinevia Fluentwas simulated and analyzed.The influence of the super-heavy oil fluid on the velocity field around the robot was simulated under the environment of super-heavy oil with different viscosity, and the related parts were improved. The influence of the viscosity of super heavy oil on the pressure and viscous force in the surface of the robot is discussed by calculating the surface integral via ANSYS post-processing, and it is concluded that the viscous force also exists as a form of thrust in the environment of super heavy oil. The motion state of robot under different pressure difference is analyzed.
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Key words:
- extra super heavy oil /
- in-pipe repair /
- robot /
- flow field analysis
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