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Development and Evaluation of a Proposed Neck Shield for the 5th Percentile Hybrid III Female Dummy
Technical Paper
2005-22-0022
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English
Abstract
Frontal airbag interaction with the head and neck of the Hybrid III family of dummies may involve a nonbiofidelic interaction. Researchers have found that the deploying airbag may become entrapped in the hollow cavity behind the dummy chin. This study evaluated a prototype neck shield design, the Flap Neck Shield, for biofidelic response and the ability to prevent airbag entrapment in the chin/jaw cavity. Neck pendulum calibration tests were conducted for biofidelity evaluation. Static and dynamic airbag deployments were conducted to evaluate neck shield performance. Tests showed that the Flap Neck Shield behaved in a biofidelic manner with neck loads and head motion within established biofidelic limits. The Flap Neck Shield did not alter the neck loads during static or dynamic airbag interactions, but it did consistently prevent the airbag from penetrating the chin/jaw cavity. Use of the Flap Neck Shield with the 5th percentile Hybrid III female dummy is recommended for frontal airbag deployments given its acceptable biofidelic response and repeatable performance.