Study of crashworthy structure for head on collision between train units (characteristics of energy absorbing structure between cars in train unit)

Makoto Taguchi, Takao Yoshikawa

研究成果: Contribution to journalArticle査読

抄録

Rail vehicles have the particularity in that pluralities of vehicles are operated as a set of connected units. This particularity is to be considered in the crashworthiness design of the coupling end structure of the vehicles in a train unit. In the case of a collision between long trains that are composed by a rigid coupling end structure, a large space for energy absorption in the structure of the cab end of the leading car will be needed. However, there is the possibility that the appropriate energy absorption characteristics of the coupling end can reduce the load of energy absorption at the cab end. Calculations of a collision between train units using a mass-spring model were conducted to study the force-displacement characteristic of a coupling end structure that can absorb more crash energy. The collision scenario applied to the calculation was that of a stationary 8-car train unit colliding with another identical train unit traveling at a speed of 36km/h based on EN15227. The results showed that the deformation of the cab ends in the leading cars can be greatly reduced by adjusting the force displacement characteristics of the coupling end to be lower than the reaction force of the cab end and achieve a progressive profile.

本文言語英語
ページ(範囲)1741-1751
ページ数11
ジャーナルNihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A
79
808
DOI
出版ステータス出版済み - 2013

All Science Journal Classification (ASJC) codes

  • 材料科学(全般)
  • 材料力学
  • 機械工学

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