航天器环境工程2024，Vol.41Issue(2)：204-210,7.DOI:10.12126/see.2023110
大型航天器密封承压结构耐压试验安全监测技术研究
Research on technology for safety monitoring in pressure-tight test of sealed pressure-bearing structure of large spacecraft
庞健 1王飞 2刘雅莉 3吴定秀 4吴嘉鹏4
作者信息
- 1. 中国空间技术研究院
- 2. 北京卫星制造厂有限公司
- 3. 中国航天宇航元器件工程中心
- 4. 北京东方计量测试研究所:北京 100094
- 折叠
摘要
Abstract
Due to the fact that only the strain and displacement information of the structure are monitored during the pressure-tight test,it is almost impossible to discover the structural damage of pressure-bearing structures in real time,let alone identify and predict the risk of structural failures.An online scheme for monitoring the safety status of sealed pressure-bearing structures in pressure-tight tests was designed based on the ultrasonic guided wave defect monitoring method.In addition,a monitoring system for test verification was built.The results show that the scheme using high-frequency hybrid sound field dynamic sensing technology has solved the problems involving difficulties to monitor the safety status and to locate the abnormal conditions timely and effectively in large and complex pressure-bearing structures.The effective real-time monitoring and timely warning for the safety of pressure-tight test are achieved.It may provide an effective safety technical guarantee for the development of large spacecraft sealed pressure-bearing structures.关键词
航天器/密封承压结构/耐压试验/安全监测Key words
spacecraft/sealed pressure-bearing structures/pressure-tight test/safety monitoring分类
矿业与冶金引用本文复制引用
庞健,王飞,刘雅莉,吴定秀,吴嘉鹏..大型航天器密封承压结构耐压试验安全监测技术研究[J].航天器环境工程,2024,41(2):204-210,7.
