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Development of Fender Attachment with Collapsible Brackets for Pedestrian Head Impact
Technical Paper
2009-36-0093
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
In order to reduce the injuries during the vehicle- pedestrian collisions some alternatives for energy absorption have been applied. On average 27% of the head impacts occur on the hood and fenders and generally a great part of these are fatal injuries. For this reason some alternatives to hood development have been applied to reduce the injuries.
Depends on Vehicle Style the impact could occur straight on the fenders, so for this cases we need to provide enough free deformation space between fender catwalk and upper rail to absorb the kinetic energy from Head impact because is physically necessary the deformation of the external surface for the other internal components to reduce the HPC values.
Most of Automotive Manufactures has been applied the deformable brackets between fender and rail with purpose to deform during the head impact and absorb the kinetic energy.
This paper presents a comparative analysis for alternatives to optimize the catwalk geometries, deformable brackets geometries and thickness to reduce the HPC, for inlaid hood concepts.
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Citation
de Melo Baleki, D. and Ferreira, A., "Development of Fender Attachment with Collapsible Brackets for Pedestrian Head Impact," SAE Technical Paper 2009-36-0093, 2009, https://doi.org/10.4271/2009-36-0093.Also In
References
- OECD: Internation Road Traffic and Accident Database (IRTAD) www.cemt.org/IRTAD/
- Data from the International Road Traffic and Accident Database (IRTAD) and the German In- Depth Accident Study (GIDAS)
- EEVC: European Enhanced Vehicle-Safety Committee – Working Group 17 www.eevc.org
- Directive 2003/102/EC of the European Parliament and of the Council 17th November 2003
- ACEA: European Automobile Manufacturers Association www.acea.be/acea
- RENAEST: Registro Nacional de Acidentes e Estatísticas de Trânsito / DENATRAN (Departamento Nacional de Trânsito) www.infoseg.gov.br/renaest
- TRIAS63-2004: Japanese Directive
- GTR: Global Technical Regulation
- Euro N-CAP: European New Car Assessment Programme Pedestrian Testing Protocol Version 4.1 March 2004 www.euroncap.com
- SAE Automotive Safety Handbook Second Edition Seiffert, U. Wech, L.
- CHALMERS: Review of Injury Biomechanics in Car- Pedestrian Collisions Otte, D. 2001
- SAE 2008-36-0002 : Main Concepts About Pedestrian Head Impacts Ferreira, S. Anderson Baleki, M Daniel
- SAE 2008-36-0003 : Development of Hood Geometries for Pedestrian Head Impact Baleki, M Daniel Ferreira, S. Anderson