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http://dx.doi.org/10.6108/KSPE.2012.16.3.049

Rupture Prediction of the Rupture Disk Using Elasto-Plastic Analysis  

Han, Houk-Seop ((주)한화 대전사업장 개발부)
Lee, Won-Bok ((주)한화 대전사업장 개발부)
Koo, Song-Hoe (국방과학연구소 1기술연구본부 6부)
Lee, Bang-Eop (국방과학연구소 1기술연구본부 6부)
Publication Information
Journal of the Korean Society of Propulsion Engineers / v.16, no.3, 2012 , pp. 49-56 More about this Journal
Abstract
Rupture disks are a kind of safety device in high pressure equipment and they are used to control rupture pressure in the solid rocket motor. In this paper, a series of rupture experiments was performed using rupture disks made of AISI 316L and rupture pressure of rupture disks was calculated through various assumptions in relation between elasto-plastic material properties and true stress-strain curve. Experiment and FEA indicated rupture pressure is determined by size of rupture disks. As a result of elasto-plastic analysis, only multi-linear stress-strain curve was able to calculate meaningful estimations. Experimental results also showed rupture location are decided by the size of rupture disks. Experimental and FEA results will be applied to control rupture pressure of disks.
Keywords
Rupture Disk; Elasto-plastic Analysis; Pulse Separation Device; Dual Pulse Rocket Motor;
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