Influence of different types of the internal system of the ballistic helmet shell on the thermal insulation measured by a manikin headform
PBN-AR
Instytucja
Instytut Technologii Bezpieczeństwa MORATEX
Informacje podstawowe
Główny język publikacji
en
Czasopismo
INTERNATIONAL JOURNAL OF INDUSTRIAL ERGONOMICS
ISSN
0169-8141
EISSN
Wydawca
ELSEVIER SCIENCE BV
DOI
URL
Rok publikacji
2014
Numer zeszytu
Strony od-do
421-427
Numer tomu
44
Identyfikator DOI
Liczba arkuszy
Autorzy
(liczba autorów: 3)
Pozostali autorzy
+ 2
Słowa kluczowe
EN
Ballistic helmet
Thermal insulation
Manikin headform
Thermal head
Streszczenia
Język
en
Treść
The head is a part of the body whose temperature influences not only physiological parameters of the whole body but also the perception of a thermal environment and psychomotor parameters of a human. For this reason, it is important to prevent the head from overheating and to use head covers which render it possible to release heat from head surface to the environment. There exist a number of professions where head covers serve as protection against injuries caused by an accident, trip, or striking the head against a fixed or protruding object. Ballistic helmets are one of such elements, their crucial parameter being ballistic resistance against dynamic deflection caused by a bullet or bullet-fragment. To enhance security and comfort of use of ballistic helmets internal systems are used underneath. Their character depends on the type of a helmet. Thermal insulation is a parameter defining the amount of heat which can be released from a human body to the environment using all types of body covers. The objective of the research was to compare thermal insulation of 4 ballistic helmets with different types of the internal system. The conducted research showed the lowest thermal insulation was noted for the helmet D (with a suspension system made of cotton technical straps), the highest for the helmet B (with multi-segments pads, made of polyurethane). As the structures of the helmets did not differ significantly, it can be assumed that a decisive influence on thermal insulation was exerted by the internal system and the application of a suspension system results in better heat release than it is the case with the padding system.
Cechy publikacji
ORIGINAL_ARTICLE
Inne
System-identifier
655893
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