连锁迷宫密封-转子轴承系统动态特性系数的影响因素研究  

Study on the Influencing Factors of Dynamic Characteristic Coefficient of Labyrinth Seal-rotor Bearing System

作　　者：严秀婷 熊炘[1] YAN Xiuting;XIONG Xin

机构地区：[1]上海大学机电工程与自动化学院,上海200444

出　　处：《计量与测试技术》2021年第8期50-54,共5页Metrology & Measurement Technique

摘　　要：基于振荡流体力学原理进行数值计算分析。本文对进出口压比、密封间隙和密封齿数(密封长度)对连锁迷宫密封-转子轴承系统动态特性系数的影响进行了详细的分析。结果表明,连锁迷宫密封-转子轴承系统动态特性系数的影响因素是多方面的。The numerical analysis is carried out based on the principle of oscillating fluid mechanics.In this paper,the influences of inlet and outlet pressure ratio,seal clearance and seal tooth number(seal length)on the dynamic characteristic coefficient of labyrinth seal-rotor bearing system are analyzed in detail.The results show that there are many factors affecting the dynamic characteristic coefficient of labyrinth seal-rotor bearing system.

关 键 词：迷宫密封 动态特性系数 

分 类 号：TQ051.1[化学工程]