1703 極低温圧力容器の衝撃負荷(J22-1 衝撃破壊と安全性評価,J22 産業化および安全のための新技術)

概要

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In recent years, a use for cryogenic fluids as a coolant has been increasing because of the industrial development of low temperature technology. Therefore, the use of the cryogenic pressure vessel and piping become general. LNG-tank, LN_2, O_2-tank at food factory and medical facilities are given for example. In the cryogenic pressure vessel and piping, reducing the thermal insulation of that by initial small damage, leads to an internal pressure rise and occurring of flashing, and causing secondary crush of pressure vessel and piping also. Then, we conducted the experiment, which imitates crush when the pressure vessel, which was filled with cryogenic temperature fluid, receives a shock loading. The inner pressure time history in such as this situation was measured.
一般社団法人日本機械学会の論文
2006-09-15