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A Study on Human Injury Characteristics and Vehicle Body Deformation with Car to Car Crash Test for Crash Compatability  

Lim, Jong-Hun (Automobile Technology Department for Korea Automobile Insurance Repair Research & Training Center(KART))
Park, In-Song (Automobile Technology Department for Korea Automobile Insurance Repair Research & Training Center(KART))
Heo, Seung-Jin (School of Mechanical and Automotive Engineering, Kookmin University)
Publication Information
Transactions of the Korean Society of Automotive Engineers / v.13, no.6, 2005 , pp. 135-141 More about this Journal
Abstract
Currently many safety assessment tests are conducted by crashing a vehicle against a rigid or deformable barrier. It is quite rational to evaluate crash performance of a vehicle in a barrier test in terms of vehicle stiffness and strength. However, there has been a lot of debate on whether barrier testing is a duplicate of real world crash collisions. One of the issues is car to car compatability. There are two essential subjects in compatability. One is partner-protection when crashing into another vehicle and the other is self-protection when struck by another vehicle. When considering a car to car frontal crash between a mini car and a large heavy car, it is necessary to evaluate human body stiffness of each vehicle. In this study, in order to evaluate the compatability of cars in car-to-car crashes, four tests were conducted. Test speed of each car is 48.3km/h, and the overlap of the mini and large car is $40\%$, and the overlap of the small cars is $100\%$. In all tests, only a drive dummy is used. The test results of the car to car crash test show that vehicle safety standard of mini car is not satisfied compared with large heavy car and HIC value of mini car is higher than large car. In this case observed that the relatively lower stiffness and weight of the mini car resulted in absorbing a large share of the total input energy of the system when crashed into the large heavy car.
Keywords
Crash compatability; HIC; Curb weight; AIS;
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