航天推进技术研究院主办
[1]张相盟,李正大,李洪春,等.液体火箭发动机旋转式唇形密封圈脱开转速计算[J].火箭推进,2016,42(05):46-51.[doi:10.3969/j.issn.1672-9374.2016.05.009]
ZHANG Xiangmeng,LI Zhengda,LI Hongchun,et al.Calculation for separating rotating speed of rotary lip seal in liquid rocket engine[J].Journal of Rocket Propulsion,2016,42(05):46-51.[doi:10.3969/j.issn.1672-9374.2016.05.009]
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ZHANG Xiangmeng,LI Zhengda,LI Hongchun,et al.Calculation for separating rotating speed of rotary lip seal in liquid rocket engine[J].Journal of Rocket Propulsion,2016,42(05):46-51.[doi:10.3969/j.issn.1672-9374.2016.05.009]
液体火箭发动机旋转式唇形密封圈脱开转速计算
《火箭推进》[ISSN:1672-9374/CN:CN 61-1436/V]
卷:
42
期数:
2016年05期
页码:
46-51
栏目:
研究与设计
出版日期:
2016-10-31
- Title:
- Calculation for separating rotating speed of rotary lip seal in liquid rocket engine
- Keywords:
- liquid rocket engine; rotary lip seal; finite element model; separation rotating speed; rotating test
- 分类号:
- V434-34
- 摘要:
- 针对火箭发动机涡轮泵端面密封结构中旋转式唇形密封圈的“脱开式”密封特性,基于丁腈橡胶材料单轴拉伸试验数据,借助非线性有限元软件ABAQUS,建立了唇形密封圈的“解析刚体-超弹性体”组合有限元模型.计算了在过盈装配预紧力、弹簧径向力、燃料介质压力及旋转离心力作用下,密封圈的Von-mises应力分布及变形情况,根据密封圈接触状态转化,获得了密封圈的脱开转速区间.最后进行了唇形密封圈的水运转试验,提出了用于测量密封圈脱开转速的逆向测量方法,试验结果与计算结果吻合,从而验证了计算结果的正确性.
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更新日期/Last Update:
1900-01-01