PubMed · 3766398
Fire fighter helmet ventilation analysis.
Abstract
A series of wind tunnel tests was conducted on selected fire fighter helmets to identify design factors which affect helmet ventilation at various air velocities and head orientation angles. Biomedical heat flux transducers were mounted on the surface of an electrically heated mannequin head to monitor convective heat loss. Under the experimental conditions, specific helmet design features were identified which can contribute to improved helmet ventilation and thus improve body metabolic heat loss. Attention to helmet design and helmet suspension systems is recommended to reduce fire fighter heat stress.
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U Reischl. 1986. Fire fighter helmet ventilation analysis.. https://doi.org/10.1080/15298668691390205
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