Page 146 - 摩擦学学报2025年第5期

780 摩擦学学报（中英文） 第 45 卷

Peak zone
Flat-bottomed, p
Stepped, p
Dividing line between
Flow direction
groove and dam
Valley zone
Speed Transition
Flow direction
End line flows zone
Flow direction
Step line
Pressure
Start line flows
End Step Start Flat-bottomed
line line line End line
Step line Start line Stepped
(a) Schematic of lubricating fluid flow (b) Schematic of the pressure curve on the streamline
Fig. 13 Schematic of the principle of stepped spiral groove
图 13 阶梯螺旋槽原理示意图

c. 为保证旋转端面密封具有良好的摩擦学性能 Tribology International, 2017, 115: 409–416. doi: 10.1016/j.triboint.
和开启能力，密封端面阶梯螺旋槽一般设计原则为在 2017.06.010.
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