Two Wheeler Helmets with Ventilation and Metal Foam

Defence Science Journal

Praveen K. Pinnoji¹  Puneet Mahajan¹ 

[1] Indian Institute of Technology Delhi, New Delhi

关键词: Impact dynamics;    motorcycle helmets;    human head;    metal foam;    CFD ventilation models;   

DOI  :  

学科分类：社会科学、人文和艺术（综合）

来源: Defence Scientific Information & Documentation Centre

【 摘 要 】

Three different two wheeler helmets were studied to investigate their dynamic performance.First is helmet with ABS shell, second is helmet with metal foam, and third is helmet with singlegroove in the liner foam for providing ventilation. Front and side impact analyses were carriedout at 10 m/s velocity by using LS-DYNATM. Forces on the helmet and on the head due to impactwere studied with function of time. Pressure and stresses in the brain were investigated andfound not to change significantly due to the presence of groove in the liner foam, which wasprovided to improve the ventilation in helmets. The dynamic performance of a helmet with outershell as metal foam was examined and compared with ABS material.

【 授权许可】

Unknown