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Fire fighter helmet ventilation analysis.

Authors
  • Reischl, U
Type
Published Article
Journal
American Industrial Hygiene Association journal
Publication Date
Sep 01, 1986
Volume
47
Issue
9
Pages
546–551
Identifiers
PMID: 3766398
Source
Medline
License
Unknown

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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