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Head impact kinematics and injury risks during E-scooter collisions against a curb


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Fournier, Marion, Bailly, Nicolas, Schäuble, Andreas and Petit, Yvan. 2023. « Head impact kinematics and injury risks during E-scooter collisions against a curb ». Heliyon, vol. 9, nº 9.

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E-scooters as a mode of transportation is rapidly growing in popularity. This study evaluates head impact conditions and injury risk associated with E-scooter crashes. A multibody model of Escooter falls induced by wheel-curb collision was built and compared with an experimental Escooter crash test. A total of 162 crash scenarios were simulated to assess the effect of fall conditions (E-scooter initial speed and inclination, obstacle orientation, and user size) on the head impact kinematics. The forehead hit the ground first in 44% of simulations. The average tangential and normal impact speeds were 3.5 m/s and 4.8 m/s respectively. Nearly 100% of simulations identified a risk of concussion (linear acceleration peak >82 g and rotational acceleration peak >6383 rad/s2) and 90% of simulations suggested a risk of severe head injuries (HIC>700). This work provides preliminary data useful for the assessment and design of protective gears.

Item Type: Peer reviewed article published in a journal
Petit, Yvan
Affiliation: Génie mécanique
Date Deposited: 13 Sep 2023 17:42
Last Modified: 17 Oct 2023 17:51

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