科技创新导报ScienceandTechnologyInnovationHerald科技创新导报2022NO.30ScienceandTechnologyInnovationHerald航空航天科学技术基于FLUENT的飞机输油管道气液两相流冲洗研究夏洪涛韦欢洲苏泽世刘学文*(上海工程技术大学机械与汽车工程学院上海201600)摘要:针对输油管道杂质冲洗的问题,根据现场的工况,利用FLUENT数值模拟软件建立相应的理论模型,再将模型应用到输油管道的气液两相流冲洗规律研究中。得到的数值模拟结果表明:在油气比和气进口速度不变的情况下,随着油进口速度的增大,直管的壁面应力逐渐增加,喷射源即杂质颗粒喷出位置的速度也逐渐增大。通过对输油管道冲洗规律的研究,可以在直管管道运行过程中采取相应的措施进行预防,降低了油品下降的风险,也延长了输油管道的使用寿命。关键词:输油管道气液两相流数值模拟计算管道冲洗中图分类号:V228.1文献标识码:A文章编号:1674-098X(2022)10(c)-0067-04StudyonGas-LiquidTwo-PhaseFlowFlushingofAircraftOilPipelineBasedonFLUENTXIAHongtaoWEIHuanzhouSUZeshiLIUXuewen*(SchoolofMechanicalandAutomotiveEngineering,ShanghaiUniversityofEngineeringScience,Shanghai,201600China)Abstract:Inviewoftheproblemofimpurityflushinginoilpipelines,theFLUENTnumericalsimulationsoftwarewasusedtoestablishthecorrespondingtheoreticalmodelaccordingtothefieldworkingconditions,andthenthemodelwasappliedtothestudyofgas-liquidtwo-phaseflowflushinglawinoilpipelines.Thenumericalsimulationresultsshow:Withtheconstantoilgasratioandgasinletvelocity,astheoilinletvelocityincreases,thewallstressofthestraightpipegraduallyincreases,andthevelocityoftheinjectionsource,thatisthepositionwheretheimpurityparticlesareejected,alsograduallyincreases.Throughthestudyontheflushingrulesofoilpipelines,correspondingmeasurescanbetakentopreventthedeclineofoilproductsandprolongtheservicelifeofoilpipelines.KeyWords:Oilpipeline;Gas-liquidtwo-phaseflow;Numericalsimulationcalculation;Pipeflushing含固体颗粒的多相流动现象在石油化工、核能、航空航天、采矿冶金等诸多工业过程中广泛存在,例如,在输油管道运行中就存在着含固体颗粒的多相流动现象,而输油管道设备经常发生因颗粒杂质而产生的堵DOI:10.16660/j.cnki.1674-098X.2204-5640-8705基金项目...