罗茨泵困油现象机理剖析与缓解措施验证

李玉龙,宋安然,宋陆昊,刘天涯

Mechanism analysis and relief measure verification of trapped-oil phenomenon in Roots pumps

Yulong LI,Anran SONG,Luhao SONG,Tianya LIU

表2 仿真介质及边界条件参数

Table 2 Parameters of simulation medium and boundary condition

参数 数值 液压油动力黏度/(Pa·s) 0.03 液压油密度/(kg·m-3) 850 液压油体积弹性模量/Pa 1.5×109 液压油饱和蒸气压/Pa 400 转速/(r/min) 1 000 角速度/(rad·s-1) 104.72 进口压力/Pa 1.013 2×105 出口压力/Pa 1.013 2×106