References
- Ewins, D.J., Modal Testing, Theory, Practice, and Application, 2nd ed., Research Studies Pre, Letchworth, Hertfordshire, England, 2000.
- Inman, D.J., Engineering Vibration, 4th ed., Prentice Hall, Upper Saddle River, N.J., U.S.A., 2013.
Journal of the Korean Society of Propulsion Engineers (한국추진공학회지)
- Volume 20 Issue 1
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- Pages.8-13
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- 2016
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- 1226-6027(pISSN)
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- 2288-4548(eISSN)
DOI QR Code
Design of Compliant Joint for Pyro-shock Isolation
연소충격 격리용 완화부품 설계
- Han, Houkseop (Development Team, Daejeon Plant, Hanwha Corporation) ;
- Lim, Daehyun (Development Team, Daejeon Plant, Hanwha Corporation) ;
- Kim, Jinyong (Development Team, Daejeon Plant, Hanwha Corporation) ;
- Lee, Young-won (Advanced Propulsion Technology Center, Agency for Defense Development) ;
- Park, Sunghan (Advanced Propulsion Technology Center, Agency for Defense Development)
- Received : 2015.06.01
- Accepted : 2016.01.11
- Published : 2016.02.01
Abstract
The purpose of the pyro-shock compliant joint is to isolated vibration using the compliant material in order to prevent the shock generated by pyro propulsion at the electronics equipment. The performance of the pyro-shock compliant joint can be determined by measuring bending natural frequency and transmissibility. In this study, we established the design requirements based on bending natural frequency and transmissibility results of the reference model. We developed a compliant material with sufficient shock compliant properties and a pyro-shock compliant joint for the new rocket. This results can be used to develop a pyro-shock compliant joint for any rocket using the compliant material and performance measurement.
연소충격완화부품은 폴리우레탄과 같은 완화소재를 사용하여 진동을 격리함으로써 추진기관이나 화공품 연소로 발생한 충격에 의해 로켓의 전자장비가 작동하지 않는 것을 방지하기 위해 사용한다. 연소충격완화부품의 성능은 굽힘 고유진동수와 전달률을 측정하여 판단할 수 있다. 본 연구를 통해 동일한 추진기관의 해외 연구결과를 통한 기준 모델의 실험 결과를 바탕으로 굽힘 고유진동수와 전달률에 대한 설계요구조건을 수립하였으며, 충분한 충격완화특성을 가지는 완화소재를 개발하여 새로운 로켓에 적합한 연소충격완화부품을 개발하였다. 본 연구는 완화소재 및 성능 측정 방법을 이용하여 연소충격완화부품을 개발하기 위해 사용할 수 있다.