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Dynamic Tests of Restraining Devices for Automobile Passengers

1964; Volume: 79; Issue: 2 Linguagem: Inglês

10.2307/4592073

2327-6258

Irving Michelson, Bertil Aldman, Boris Tourin, Jeremy Mitchell,

Automotive and Human Injury Biomechanics

United States specify a static test meth¬ od.a slow application of test load.In actual accidents, however, the belts are subjected to very rapidly applied loads.Under such dy¬ namic conditions belts may react differently than when the load is applied slowly, as indi¬ cated by Finch and Palmer in 1956 (1).The application of dynamic test methods to automobile safety belts is not a new idea.In- deed, the type of seat belt used in American cars today was developed with the benefit of information generated by dynamic tests of re¬ straining devices for aviation by Stapp (#, 3) and for automobiles by Severy and associates (It).Severy and associates performed their studies by controlled collisions of actual auto¬ mobiles, with the vehicles, the passengers (usu¬ ally dummies), and the seat belts instrumented to determine the magnitudes and durations of the forces produced in actual accidents.Sim¬ ilar controlled collision studies, using automo¬ biles, have been done by research engineers