Journal of Korean Society of Transportation (대한교통학회지)

Korean Society of Transportation (대한교통학회)
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Coasting and Post-impact Motion of a Vehicle With Tire Blowout

타이어 펑크 차량의 주행 및 충돌후 거동

  • Han, Inhwan (Department of Mechanical and Design Engineering, Hongik University) ;
  • Lim, Sanghyun (Hongik University) ;
  • Park, Jong-Chan (Traffic Accident Analysis Division, National Forensic Service) ;
  • Choi, Jihun (Traffic Accident Analysis Division, National Forensic Service)
  • 한인환 (홍익대학교 기계정보공학과) ;
  • 임상현 (홍익대학교) ;
  • 박종찬 (국립과학수사연구원 교통사고분석과) ;
  • 최지훈 (국립과학수사연구원 교통사고분석과)
  • Received : 2014.05.27
  • Accepted : 2014.08.06
  • Published : 2014.10.31
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Abstract

In this paper, various tire blow-out force experiment data were collected and analyzed to obtain approximate values of related coefficients such as rolling resistance, self-aligning torque, cornering stiffness, and radial stiffness for the analysis of the motion of vehicles with tire blow-outs. These coefficients related to tire blow-outs were input into a vehicle accident analysis program to simulate and examine the effects of tire blow-outs. Various configurations and velocities of vehicle collisions without tire blow-outs were also used as reference to establish collision events of vehicle collisions with tire blow-outs. For the events, the simulation analysis was performed and collision characteristics were obtained. Consideration of tire blow-outs or damages suggested in this study will greatly contribute to more reliable vehicle accident reconstructions.

본 논문에서는 펑크 타이어 힘 시험 연구 결과들을 다양하게 수집하고 분석하여, 펑크(blow-out) 타이어 차량 동적 거동 해석을 위한 구름저항력(rolling resistance), 셀프 얼라이닝 토크(self aligning torque), 코너링 강성(cornering stiffness), 반경방향 강성(radial stiffness)과 같은 관련 계수들의 적정값을 추정하였다. 이러한 타이어 펑크 관련한 입력계수들을 자동차 사고 해석 상용 프로그램에서 설정하여 타이어 펑크 효과를 구현한 시뮬레이션 해석을 수행하였다. 그리고, 정상 차량들 간의 다양한 충돌 형태들과 속도 등을 참조하여, 펑크 차량의 충돌 유형들을 구성하고 시뮬레이션 해석을 수행하여 충돌 특성을 구하였다. 본 연구에서 제시하는 타이어 펑크 혹은 손상에 대한 고려는 보다 신뢰성 있는 자동차 사고 재구성에 기여할 수 있을 것이다.

Keywords

References

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