The results of calculation indicates that the static axial stiffness of fluid film in double spiral grooveface seal is improved due to the pressure loss through feeding holes.
计算结果表明, 供液小孔所产生的压力损失提高了双列螺旋槽机械密封的静态轴向刚度。
2
Seal chamber pressure of a new double spiral grooveface seal working under high velocity and pressure conditions may probably be disturbed in operation, which affects the seal stability.