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Study on the Design of Deformation Tube for 200kJ Large Energy Absorption
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 Title & Authors
Study on the Design of Deformation Tube for 200kJ Large Energy Absorption
Kim, Jin Mo; Lee, Jong Kil; Kim, Ki Nam;
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 Abstract
The market share of high-speed railway vehicles is increasing across the world. A high-performance impact energy absorption factor is essential to satisfy the safety standards of railway vehicles. A deformed tube assembly is a typical energy absorption factor in railway vehicles. The tube assembly comprises a deformed tube and a press-fitting punch, its performance depends on the absorption energy characteristics in the plastic zone of the tube. In this study, a deformed tube assembly of a railway vehicle is designed that can absorb a maximum impact energy of 200kJ under plastic deformation. Slab method and finite element analysis are used to estimate the reaction force of the punch in the initial stage, the performance of the designed tube assembly is confirmed experimentally.
 Keywords
Deformation tube;Impact energy absorption apparatus;Squeezing tube;Passenger safety;Expansion tube;
 Language
Korean
 Cited by
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