罗茨泵极限真空度及其预抽时间预测模型研究

李玉龙,宋陆昊,刘天涯,宋安然

Research on prediction models for limiting vacuum degree and its pre-pumping time of Roots pump

Yulong LI,Luhao SONG,Tianya LIU,Anran SONG

表6 项目I和项目III中仿真值与理论值的相对误差

Table 6 Relative errors between simulation values and theoretical values in project II and project III

变量 理论值 仿真值 相对误差/% pmin/kPa (Ⅱ) 14.064 13.4 4.72 pmin/kPa (Ⅲ) 16.533 17.2 4.03 T0/s (Ⅲ) 0.160 0.157 1.88