Hydrostatic-dynamic gas lubrication technology has been applied widely in seal, bearing and air float transport for its characteristic of non-contacting, high bearing capacity and high gas film stability, etc.The basic structure and working mechanism of hydrostatic-dynamic gas lubrication technology were introduced.The advance of hybrid gas lubrication was commented, and the optimal design of the restrictor structure, the theoretical research methods of hydrostatic-dynamic gas lubrication technology, the dynamic characteristics and micro scale effects of hydrostatic gas seals/bearings were introduced.It was pointed out that it should be further explored for the design of controllable throttling structure and related theory and experimental research of hydrostatic-dynamic gas lubrication, the dynamic characteristics and micro scale effects of hydrostatic-dynamic gas lubrication at low speed are the focus of future research, and it is also the key to improve the performance and reliability of the static pressure gas lubricated structure.%动静压气体端面润滑因其高承载、高气膜稳定性和非接触等特性而广泛应用于密封、轴承和气浮输运等领域.介绍了动静压气体润滑的基本结构和工作原理, 对动静压气体端面润滑技术的研究进展进行总结, 重点介绍了静压节流结构的优化设计, 动静压气体润滑的理论分析方法, 动静压气体密封/轴承动态特性及微尺度效应研究.指出动静压气体润滑可控节流结构的设计及相关理论与实验研究还有待进一步探索, 低速条件下动静压气体端面润滑的动态特性和微尺度效应是未来研究的重点, 同时这也是提高动静压气体润滑结构工作性能和可靠性的关键.
展开▼
