高速齿轮箱迷宫密封发展研究  

Research on Development of Labyrinth Seal for High-speed Gearbox

作　　者：吴鲁纪 李坤龙 Wu Luji;Li Kunlong

机构地区：[1]郑州机械研究所有限公司,450001

出　　处：《工程机械》2021年第12期89-96,I0024,I0025,共10页Construction Machinery and Equipment

基　　金：国家自然科学基金(2020YFB2008101)。

摘　　要：简述高速齿轮箱用迷宫密封的分类、特点和作用机理,并对迷宫密封的国内外研究现状进行分析,指出国内外的大量研究主要针对迷宫密封空腔流场和结构,未来高速齿轮箱迷宫密封的发展趋势和研究方向将主要集中在使用更有效的数学分析模型,考虑密封内外压差和热力学效应的迷宫密封流场研究,以及基于对多影响因素的迷宫密封泄漏量研究等方面。The classification,characteristics and mechanism of labyrinth seals for highspeed gearboxes are briefly described,and the current domestic and foreign research status of labyrinth seals is analyzed.It is pointed out that a large amount of domestic and foreign researches mainly focus on the flow field and structure of the labyrinth seal cavity,while the development trend and research direction of labyrinth seal for high-speed gearbox in the future will mainly focus on the use of more effective mathematical analysis models,research on flow field of labyrinth seal taking into account of internal and external pressure difference and thermodynamic effect,and research on leakage of labyrinth seal based on multiple influence factors.

关 键 词：迷宫密封 泄漏 流场 

分 类 号：TH136[机械工程—机械制造及自动化] TH132.46