弹用涡喷发动机润滑油系统动密封结构研究

Structure of dynamic seal used in the lubricating system of a missile turbojet engine

论述了某弹用涡喷发动机动密封结构工作原理及泄漏失效形式 ,对润滑系统的动密封结构进行了密封元件的研制 ,配合零件间隙的设计和台架模拟的试验研究 ,掌握了该发动机动密封的磨损机理。

The working mechanism of dynamic seal and the leakage failure of sealing system were discussed according to the structure of a missile turbojet engine. The development of the sealing units, fitting tolerance design and simulation bench tests of a special dynamic sealing system used in a missile turbojet engine were completed, and its wear mechanism was clarified. Test results showed that the structure design is correct.