燃气调节阀低扭矩优化设计及试验研究
刘广奥,陈英龙,罗畅敏,闫博,高飞

Optimization design and experimental study of gas control valve with low torque
Guang'ao LIU,Yinglong CHEN,Changmin LUO,Bo YAN,Fei GAO
表3 机械摩擦扭矩响应面回归模型方差分析结果
Table 3 Variance analysis results of response surface regression model for mechanical friction torque
方差来源均方自由度离差平方和FP
模型470.95952.33149.35<0.000 1
A382.261382.261 090.9<0.000 1
B2.8312.838.080.036 1
C21.32121.3260.850.000 6
AB0.360 010.360 01.030.357 3
AC8.6418.6424.670.004 2
BC0.016 910.016 90.048 20.834 9
A253.53153.53152.77<0.000 1
B20.166 710.166 70.475 90.521 0
C23.7913.7910.800.021 8
残差1.7550.350 4
失拟度1.4530.484 53.250.244 3
总离差472.7014
决定系数0.996 3
调整系数0.989 6