期刊论文

Internal Flow Field Analysis and Experimental Research of a Vane Oil Pump with Uneven Vane Spacing

中文

华南理工大学学报(自然科学版)

1000-565X

2020

48

2

143-150

10.12141/j.issn.1000-565X.190689

Supported by the Natural Science Foundation of Hunan Province(2018JJ2441).

本校为第一机构

基于RNG k-ε湍流模型,利用计算流体动力学软件,对不同叶片间距配置的叶片式机油泵稳定工况下的内流场进行数值模拟,得到了稳态流量特性曲线,并与性能试验结果进行对比。考虑不同叶片间距配置的影响,对内流场监测点的压力脉动进行频域分析,结果表明:与等分叶片间距配置相比,非等分配置时泵出口和压油腔内部压力脉动能量幅值在基频倍数频率处有所降低,并且在三次谐波处降低明显。对试验样机进行压力脉动试验和噪声试验分析,结果表明:与等分叶片间距配置相比,非等分叶片间距配置能够降低叶片式机油泵的压力脉动,三次、四次谐波的噪声值有所降低。

Based on RNG k-ε turbulent model, the internal flow field of a vane oil pump with different vane spacing was simulated by computational fluid dynamics software. The steady flow characteristic curve was obtained and compared with the experimental results. Considered the influences of different vane spacing configuration, the pressure pulsation at each monitoring points of internal flow field was analyzed in frequency domain. The results show that, compared with the even vane spacing configuration, the energy amplitude of pressure pulsation in p...