Abstract
The Department of Forensic Experts in Transportation at the Faculty of Transportation Sciences performed a second set of dynamic passive safety tests on a passenger car (M1 category - Ĺ koda Octavia II) in a child pedestrian collision. Initial and test conditions were similar to those that were made in the first set of tests in September 2009 (Ĺ koda Roomster). Deformations of contact zones on the frontal vehicle surface were analyzed by 3D scanning technology (3D handy scanner). Head, thorax and pelvic resultant acceleration, acceleration of knee joint in sagittal direction and the contact force on the femoral structure of the dummy (P6 dummy, 1.17m; 22kg) were measured. The aim of these tests is not only to provide a detailed description of pedestrian kinematics and a comparison of primary and secondary impact seriousness, but also to provide a data source for advanced mathematical modeling.
Highlights
Pedestrian safety is nowadays a very important criterion for vehicle safety evaluation
The Faculty of Transportation Sciences performed a second set of three dynamic passive safety tests for a passenger car in a child pedestrian collision
Neither Head Performance Criteria (HPC), nor 3ms injury criteria limit value was exceeded in the primary head impact for all performed tests
Summary
Pedestrian safety is nowadays a very important criterion for vehicle safety evaluation. Vehicle certification standards are based on vehicle frontal part testing with impactors which represent the certain body parts of an adult pedestrian. The tests were executed at different impact speeds (10, 20, 30 kmph), analogous to the first set of tests carried out in September 2009 with a Škoda Roomster. It was clear from the first set of tests that several body parts are more threatened than the head during a primary impact with a vehicle. The resultant acceleration of the head, thorax and pelvis were measured using child dummy P6. Deformations of contact zones on the frontal vehicle surface were analyzed using 3D scanning technology
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