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Research on damper design of welded metal bellows for mechanical seal
Pages: 41-45
Year: Issue:  6
Journal: Journal of Rocket Propulsion

Keyword:  mechanical sealwelded metal bellowsfatigue crackdynamic model;
Abstract: 针对膜盒式机械密封膜盒存在疲劳裂纹的问题,以焊接膜盒为研究对象,在分析研究机械密封动力学模型的基础之上,提出了用增加阻尼来提高膜盒抗疲劳裂纹能力的方法,并给出了膜盒式机械密封阻尼设计规范,带阻尼的膜盒式机械密封通过了模态、振动试验和发动机热试车考核,并已应用到发动机的设计中。
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