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Base de datos CISDOC

ID (ISN) del documento111328
Número CIS 10-0899
ISSN - Título de la serie 1545-9624 - Journal of Occupational and Environmental Hygiene
Año 2011
Número de serie
Autor(es) Williams W.J., Coca A., Roberge R., Shepherd A., Powell J., Shaffer R.E.
Título Physiological responses to wearing a prototype firefighter ensemble compared with a standard ensemble
Información bibliográfica Jan. 2011, Vol.8, p.49-57. Illus. 37 ref.
Resumen This study investigated the physiological responses to wearing a standard firefighter ensemble (SE) and a prototype ensemble (PE) modified from the SE that contained additional features, such as magnetic ring enclosures at the glove-sleeve interface, integrated boot-pant interface, integrated hood-SCBA facepiece interface, and a novel hose arrangement that rerouted self-contained breathing apparatus (SCBA) exhaust gases back into the upper portion of the jacket. Although the features of the PE increased the level of encapsulation of the wearer that could lead to increased physiological stress compared with the SE, it was hypothesized that the rerouted exhaust gases provided by the PE hose assembly would provide convective cooling to the upper torso, reduce the thermal stress experienced by the wearer and reduce the overall physiological stress imposed by the PE such that it would be either less or not significantly different from the SE. Ten subjects (seven male, three female) performed treadmill exercise in an environmental chamber while wearing either the SE with an SCBA or the PE with an SCBA. Heart rate, rectal temperature, sweat loss, and endurance time were measured. It was concluded that the rerouting of exhaust gases to the jacket did not provide significant convective cooling or reduce thermal stress compared with the SE under the mild conditions selected, and the data therefore did not support the hypotheses of the present study.
Descriptores (primarios) carga térmica; lucha contra el fuego; vestimentas de protección
Descriptores (secundarios) ritmo cardiaco; temperatura corporal; pruebas del material; estudio comparado; aparatos de suministro de aire
Tipo de documento D - Artículos periódicos
Tema(s) Cemercio, servicios, oficinas
Protección individual
Fisiología del trabajo
Broad subject area(s) Fisiología, ergonomía
Riesgos físicos
Navegación por categoria(s) Heat and cold
Fire fighting, police, prisons and the armed forces
Protective clothing