ICT Role in 21st Century Education & its Challenges.pptx
Session 66 Peter Halldin
1. Den mödosamma vägen till säkrare (cykel)hjälmar Peter Halldin Division of Neuronic, School of Technology and Health Royal Institute of Technology, Stockholm, Sweden MIPS AB, Stockholm, Sweden
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3. The School of Technology and Health, at the Royal Institute of Technology
9. Types of head injuries Radial Tangentiel Translational Angled Rotational Impact Direction Acceleration direction
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11. The KTH head model LS-DYNA (Kleiven et al. 2008) Superior- Sag. Sinus Pia mater Corpus Callosum Thalamus Falx Midbrain Brainstem Transverse- sinus Tentorium
12. First principle strain distribution for EPP 31 kg/m 3 in radial impact First principle strain distribution for EPP 31 kg/m 3 in oblique impact Radial vs. oblique impact
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15. The Product – ”copying the evelution” The cerebrospinal fluid has been mimiced With a teflon layer (b) in the helmet. Snett islag M.I.P.S. – Multi-directional Impact Protection System
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17. The KTH oblique helmet impact test Resultant = 7m/s:45º 5m/s 5m/s
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