第48卷第2期2024年2月doi:10.11832/j.issn.1000-4858.2024.02.020液压与气动ChineseHydraulics&Pneumatics工况参数对混输转子泵排出性能影响Vol.48No.2February.2024王俊杰,李琴,刘伯韬,陈科,王美玲,熊蕾(西南石油大学机电工程学院,四川成都610500)摘要:混输转子泵是气液固三相混输工艺的关键设备,输送介质成分复杂,内部流动机理尚不明确。因此,基于动网格技术和Mixture多相流模型对混输转子泵内部进行数值模拟,分析了混输转子泵在不同工况参数下的性能变化规律。结果表明:气相与固相占比对混输泵性能影响不明显;转速对混输转子泵性能影响明显,转速增加,容积效率显著上升,流量脉动略微降低;随着压差的增加,出口流量降低,容积效率显著下降,流量脉动大幅上升;而在3个工况参数交互作用下,混输转子泵的性能波动明显,混输转子泵在低含气、高含砂、低转速、高压差工况时表现较差。研究结果对混输转子泵的深入研究和广泛应用提供了有价值的参考。关键词:混输转子泵;工况参数;数值模拟;参数化研究;性能影响中图分类号:TH138;TE866文献标志码:B文章编号:1000-4858(2024)02-0153-12InfluenceofOperatingParametersonDischargePerformanceofMixedRotorPumpWANGJun-jie,LIQin,LIUBo-tao,CHENKe,WANGMei-ling,XIONGLei(SchoolofMechanicalEngineering,SouthwestPetroleumUniversity,Chengdu,Sichuan610500)Abstract:Themultiphaserotorpumpisthekeyequipmentofthegas-liquid-solidthree-phasemixingprocess.Thecompositiontheconveyingmediumiscomplexandtheinternalflowmechanismisnotclear.Therefore,basedonthedynamicmeshtechnologyandMixturemultiphaseflowmodel,thenumericalsimulationofthemixedrotorpumpiscarriedout,andperformancevariationlawofmixedrotorpumpunderdfferentworkingconditionsisanalyzed.Theresultsshowthattheproportionofgasphaseandsolidphasehasnoobviouseffectontheperformanceofmultiphasepump.Therotationalspeedhasasignificanteffectontheperformanceofthemixedrotorpump.Asrotationalspeedincreases,thevolumetricefficiencyincreasessignificantly,andtheflowpulsationdecreasesslightly.Asthepressuredifferenceincreases,theoutletflowratedecreases,thevolumetricefficiencydecreasessignificantly,andtheflowpulsationincreasessignificantly.Undertheinteractionofthethreeworkingparamet...