Characterizing Wildland Firefighters’ Thermal Environment During Live-Fire Suppression
Wildland firefighters work under adverse environments (e.g., heat and fire exposure), which contribute to increasing the heat strain. Despite this there is a paucity of knowledge about the thermal environment in real wildfire suppression scenarios. Therefore, the main purpose of this study was to ch...
| Autores: | , , , |
|---|---|
| Tipo de recurso: | artículo |
| Estado: | Versión publicada |
| Fecha de publicación: | 2019 |
| País: | España |
| Institución: | Universidad Rey Juan Carlos |
| Repositorio: | BULERIA. Repositorio Institucional de la Universidad de León |
| OAI Identifier: | oai:buleria.unileon.es:10612/19277 |
| Acceso en línea: | https://hdl.handle.net/10612/19277 |
| Access Level: | acceso abierto |
| Palabra clave: | Educación Física Thermal Exposure Heat Flux Thermal Dose Heat Stress Skin Burn Attenuation Factor |
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Characterizing Wildland Firefighters’ Thermal Environment During Live-Fire SuppressionCarballo Leyenda, Ana BelénVilla, José G.López Satué, JorgeRodriguez-Marroyo, Jose A.Educación FísicaThermal ExposureHeat FluxThermal DoseHeat StressSkin BurnAttenuation FactorWildland firefighters work under adverse environments (e.g., heat and fire exposure), which contribute to increasing the heat strain. Despite this there is a paucity of knowledge about the thermal environment in real wildfire suppression scenarios. Therefore, the main purpose of this study was to characterize the environmental thermal exposure and the risk of heat burn injuries during real wildfire suppression (n = 23). To characterize the wildland firefighter’s (n = 5) local thermal exposure, measurements of air temperature and heat flux were performed. Heat flux measurements were made using four thin-planar heat flux sensors. Two were affixed on the outer surface of the garment on the left chest and thigh. Two other sensors were placed on the inner surface of the fabric in parallel to those placed externally. Four thermal classes were defined based on the heat flux across the inner sensors (≤1000, ≤5000, ≤7000, and >7000 W·m−2). The risk of pain and first-degree burns were calculated using the dose of thermal radiation method. The inner sensors mean and maximum heat flux and environment temperature were 286.7 ± 255.0 and 2370.4 ± 3004.5 W·m−2 and 32.6 ± 8.9 and 78.0 ± 8.9◦C, respectively. Approximately 81, 15, and 3.5% of the exposure time the heat flux was ≤1000, >1000–5000, and >5000 W·m−2, respectively. The highest average and maximum thermal dose values were ∼94 and ∼110 (kW·m−2)4/3·s. In conclusion, the thermal exposure obtained may be considered light. However, high thermal exposure values may be obtained in punctual moments, which can elicit first-degree burns.SIThis study was financially support from the Ministerio de Economía, Industria y Competitividad (Spain) grant (DEP2016-79762-P AEI/FEDER, UE) and has been funded by the Empresa de Transformación Agraria, S.A. (TRAGSA)David Andrew Low, Liverpool John Moores University, United KingdomEducacion Fisica y DeportivaFacultad de Ciencias de la Actividad Fisica y del Deporte2019info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttps://hdl.handle.net/10612/19277reponame:BULERIA. Repositorio Institucional de la Universidad de Leóninstname:Universidad Rey Juan CarlosIngléshttp://creativecommons.org/licenses/by-nc-nd/4.0/info:eu-repo/semantics/openAccessoai:buleria.unileon.es:10612/192772026-06-24T12:43:27Z |
| dc.title.none.fl_str_mv |
Characterizing Wildland Firefighters’ Thermal Environment During Live-Fire Suppression |
| title |
Characterizing Wildland Firefighters’ Thermal Environment During Live-Fire Suppression |
| spellingShingle |
Characterizing Wildland Firefighters’ Thermal Environment During Live-Fire Suppression Carballo Leyenda, Ana Belén Educación Física Thermal Exposure Heat Flux Thermal Dose Heat Stress Skin Burn Attenuation Factor |
| title_short |
Characterizing Wildland Firefighters’ Thermal Environment During Live-Fire Suppression |
| title_full |
Characterizing Wildland Firefighters’ Thermal Environment During Live-Fire Suppression |
| title_fullStr |
Characterizing Wildland Firefighters’ Thermal Environment During Live-Fire Suppression |
| title_full_unstemmed |
Characterizing Wildland Firefighters’ Thermal Environment During Live-Fire Suppression |
| title_sort |
Characterizing Wildland Firefighters’ Thermal Environment During Live-Fire Suppression |
| dc.creator.none.fl_str_mv |
Carballo Leyenda, Ana Belén Villa, José G. López Satué, Jorge Rodriguez-Marroyo, Jose A. |
| author |
Carballo Leyenda, Ana Belén |
| author_facet |
Carballo Leyenda, Ana Belén Villa, José G. López Satué, Jorge Rodriguez-Marroyo, Jose A. |
| author_role |
author |
| author2 |
Villa, José G. López Satué, Jorge Rodriguez-Marroyo, Jose A. |
| author2_role |
author author author |
| dc.contributor.none.fl_str_mv |
Educacion Fisica y Deportiva Facultad de Ciencias de la Actividad Fisica y del Deporte |
| dc.subject.none.fl_str_mv |
Educación Física Thermal Exposure Heat Flux Thermal Dose Heat Stress Skin Burn Attenuation Factor |
| topic |
Educación Física Thermal Exposure Heat Flux Thermal Dose Heat Stress Skin Burn Attenuation Factor |
| description |
Wildland firefighters work under adverse environments (e.g., heat and fire exposure), which contribute to increasing the heat strain. Despite this there is a paucity of knowledge about the thermal environment in real wildfire suppression scenarios. Therefore, the main purpose of this study was to characterize the environmental thermal exposure and the risk of heat burn injuries during real wildfire suppression (n = 23). To characterize the wildland firefighter’s (n = 5) local thermal exposure, measurements of air temperature and heat flux were performed. Heat flux measurements were made using four thin-planar heat flux sensors. Two were affixed on the outer surface of the garment on the left chest and thigh. Two other sensors were placed on the inner surface of the fabric in parallel to those placed externally. Four thermal classes were defined based on the heat flux across the inner sensors (≤1000, ≤5000, ≤7000, and >7000 W·m−2). The risk of pain and first-degree burns were calculated using the dose of thermal radiation method. The inner sensors mean and maximum heat flux and environment temperature were 286.7 ± 255.0 and 2370.4 ± 3004.5 W·m−2 and 32.6 ± 8.9 and 78.0 ± 8.9◦C, respectively. Approximately 81, 15, and 3.5% of the exposure time the heat flux was ≤1000, >1000–5000, and >5000 W·m−2, respectively. The highest average and maximum thermal dose values were ∼94 and ∼110 (kW·m−2)4/3·s. In conclusion, the thermal exposure obtained may be considered light. However, high thermal exposure values may be obtained in punctual moments, which can elicit first-degree burns. |
| publishDate |
2019 |
| dc.date.none.fl_str_mv |
2019 |
| dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion |
| format |
article |
| status_str |
publishedVersion |
| dc.identifier.none.fl_str_mv |
https://hdl.handle.net/10612/19277 |
| url |
https://hdl.handle.net/10612/19277 |
| dc.language.none.fl_str_mv |
Inglés |
| language_invalid_str_mv |
Inglés |
| dc.rights.none.fl_str_mv |
http://creativecommons.org/licenses/by-nc-nd/4.0/ info:eu-repo/semantics/openAccess |
| rights_invalid_str_mv |
http://creativecommons.org/licenses/by-nc-nd/4.0/ |
| eu_rights_str_mv |
openAccess |
| dc.publisher.none.fl_str_mv |
David Andrew Low, Liverpool John Moores University, United Kingdom |
| publisher.none.fl_str_mv |
David Andrew Low, Liverpool John Moores University, United Kingdom |
| dc.source.none.fl_str_mv |
reponame:BULERIA. Repositorio Institucional de la Universidad de León instname:Universidad Rey Juan Carlos |
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Universidad Rey Juan Carlos |
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BULERIA. Repositorio Institucional de la Universidad de León |
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BULERIA. Repositorio Institucional de la Universidad de León |
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1869422465301610496 |
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