Simulation of Oil-Water Two-Phase Flow in Jet Fuel UpwardInclined Pipeline
With the rapid development of civil aviation industry,pipelines are widely used for transportation of jet fuel.However,the water in the pipeline is easy to accumulate in low-lyubg areas,leading to a series of problems such as corrosion and poor flow.A computer simulation was conducted based on the Computational Fluid Dynamics(CFD)method to investigate the bottom water accumulation carried by jet fuel in upward inclined pipelines with different in-clination angles.The results show that with the increase of time,the accumulated water at the bottom of the pipe will be divided into large water masses and small water droplets under the shear action of jet fuel;With the increase of in-clination angle,the axial length of large water masses becomes shorter and the interface becomes more intense,resul-ting in backflow of water phase,and then the flow velocity becomes slower.
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