齿轮箱迷宫密封仿真试验优化

doi:10.16039/j.cnki.cn22-1249.2021.05.011

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摘要

以高速齿轮箱传动轴轴端的迷宫密封为研究对象，建立迷宫密封模型。采用标准的k-ε湍流模型模拟迷宫密封内流场特性，分析其泄漏量、压力及速度分布情况。利用Fluent中的SIMPLE算法计算能量方程和湍流方程。通过研究齿距、齿顶长度对密封性能的影响，从而确定最优参数，同时研究了入口压力和转速对齿轮箱迷宫密封泄漏量的影响。结果表明：泄漏量随齿距的增大而逐渐变大；随齿顶长度的增大，泄漏量先减小之后基本不变；在不考虑温升条件时，转速对泄漏量几乎没有影响，但随转速的增大，密封性能提高。

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	姜紫薇
	陈庆
	时龙

关键词: 迷宫密封齿轮箱泄漏量结构优化

Abstract:

The labyrinth seal model of high speed gearbox transmission shaft was established. The standard k-ε turbulence model was used to simulate the flow field characteristics in the labyrinth seal, and the leakage, pressure and velocity distribution were analyzed. Simple algorithm in Fluent is used to calculate the energy equation and turbulence equation. By studying the influence of tooth pitch and tooth tip length on sealing performance, the optimal parameters were determined. At the same time, the influence of inlet pressure and speed on the leakage of labyrinth seal of gearbox was studied. The results show that the leakage increases with the increase of tooth pitch. With the increase of tooth tip length, the leakage quantity decreases at first and then remains basically unchanged. When the temperature rise condition is not considered, the speed has almost no effect on the leakage, but with the increase of the speed, the sealing performance improves.

Key words: labyrinth seal gear box leakage structure optimization

出版日期: 2021-05-25 发布日期: 2021-05-25 整期出版日期: 2021-05-25

ZTFLH:

TB42

引用本文:

姜紫薇, 陈庆, 时龙. 齿轮箱迷宫密封仿真试验优化 [J]. 吉林化工学院学报, 2021, 38(5): 51-54.
Jiang Ziwei, CHEN Qing, Shi Long. Optimization of Gear Box Labyrinth Seal Simulation Test . Journal of Jilin Institute of Chemical Technology, 2021, 38(5): 51-54.

链接本文:

http://xuebao.jlict.edu.cn/CN/10.16039/j.cnki.cn22-1249.2021.05.011 或 http://xuebao.jlict.edu.cn/CN/Y2021/V38/I5/51

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