电机转速变化对输油泵内部流场影响的仿真研究  

Simulation study on the influence of motorrotational speed change on the internal flow field of oil transfer pump

作　　者：刘祥楼[1] 曲晶 张雅茹 刘昭廷[1] LIU Xianglou;QU Jing;ZHANG Yaru;LIU Zhaoting(Northeast Petroleum University Daqing,Heilongjiang 163318,China)

机构地区：[1]东北石油大学,黑龙江大庆163318

出　　处：《自动化与仪器仪表》2023年第8期317-319,共3页Automation & Instrumentation

基　　金：东北石油大学“国家基金”培育基金项目资助(2022QGP-02)。

摘　　要：旨在利用ANSYS Fluent研究电机转速对输油泵蜗壳内液体动力噪声特性的影响。以ZA150-4400输油泵为研究对象,采用RNGk-ε模型模拟不同转速下的流体静压分布和内部流场的流动瞬态特性。结果表明,电机转速是影响输油泵蜗壳内静压分布和流体瞬态特性的主要因素。不同粘度蜗壳内部流场呈现不同的分布状态,粘度越大,静压值越小,当原油粘度一定时,电机转速越低,蜗壳内的静压力波动越小。当电机转速下降到临界值时,蜗壳内壁上的静压力大致相等。The aim of this paper is to investigate the effect of motor speed on the dynamic noise characteristics of the fluid in the worm housing of an oil transfer pump using ANSYS Fluent.Taking the ZA150-4400 oil transfer pump as the object of study,the RNG model is used to simulate the hydrostatic pressure distribution and the flow transient characteristics of the internal flow field at different rotational speeds.The results show that the motor speed is the main factor affecting the static pressure distribution and fluid transient characteristics inside the worm casing of the oil transfer pump.The higher the viscosity,the smaller the static pressure value.When the viscosity of crude oil is certain,the lower the motor speed,the smaller the static pressure fluctuation in the worm casing.When the motor speed drops to a critical value,the static pressure on the inner wall of the worm casing is approximately equal.

关 键 词：电机转速 流体瞬态特性 静压分布 临界值 Ansys Fluent 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置]