지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 발행연도
- 2011.11
- 수록면
- 2,055 - 2,061 (7page)
이용수
초록· 키워드
오류제보하기
Rupture Disc is a typical safety device for industrial pressure vessels under high pressure and its size varies by each purpose. The rupture disc which is used for the airbag inflator has very small diameter such as 10mm. Therefore, it is very difficult to predict the burst pressure of rupture disc by structural analysis.
It is necessary to do the dynamic analysis rather than static analysis because the time from impact of the automobile to full airbag deployment is approximately 30msec. But, the dynamic explicit analysis has disadvantage such as timestep limit caused by the small element size. Therefore, the dynamic implicit analyses were performed to predict the burst pressure of rupture disc more efficiently. In this research, the burst pressure was predicted not only by dynamic explicit analysis but also by dynamic implicit analysis on the rupture disc using LS-DYNA.
Consequently, dynamic implicit analysis is more efficient and faster than explicit in case of relatively small-sized objects such as rupture disc used in the airbag inflator. Also, we have compared the experimental results with the numerical to identify their accuracy and correlation.
It is necessary to do the dynamic analysis rather than static analysis because the time from impact of the automobile to full airbag deployment is approximately 30msec. But, the dynamic explicit analysis has disadvantage such as timestep limit caused by the small element size. Therefore, the dynamic implicit analyses were performed to predict the burst pressure of rupture disc more efficiently. In this research, the burst pressure was predicted not only by dynamic explicit analysis but also by dynamic implicit analysis on the rupture disc using LS-DYNA.
Consequently, dynamic implicit analysis is more efficient and faster than explicit in case of relatively small-sized objects such as rupture disc used in the airbag inflator. Also, we have compared the experimental results with the numerical to identify their accuracy and correlation.
목차
Abstract
1. 서론
2. 파열판 모델링
3.파열판의 파열시험
4. 파열판의 파열해석
5. 해석 및 시험 결과 비교
5. 결론
후기
References
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UCI(KEPA) : I410-ECN-0101-2013-556-001415838