Modeling heat and moisture transport in firefighter protective clothing during flash fire exposure

Chitrphiromsri, Patirop; Кузнецов, А. В.

doi:10.1007/s00231-004-0504-x

Cited by 65 publications

(86 citation statements)

References 13 publications

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“…(14) 의 연구결과에 따라 Torvi and Dale (15) 가 제안한 피부 물성치 를 사용하였다. 보호복의 열물성치는 일반적으로 사용되는 보호복의 물성치를 이용하였다 (16) . 이러한 보호복 및 피부 물성치를 Table 1에 정리하였다.…”

Section: 우리나라의 화상환자 발생현황을 국민건강보험공단에 급unclassified

Inhibitory Effect of adding Phase Change Material (PCM) to Fire Fighter Protective Clothing on Burn Injuries

Lee

2016

Fire Science and Engineering

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Fire fighters rely on fire fighter protective clothing (FFPC) to provide adequate protection in the various hazardous environments. To enhance its protection performance, the FFPC material must be thick and thus it is difficult to achieve weight reduction. One of the methods of overcoming this problem, the addition of phase change material (PCM) to FFPC, is a new technology. In previous studies, the researches was mostly related to the temperature characteristics of the fibers incorporating PCM, but little information is available about its effect on burn injuries. Thus, in this study, the inhibitory effects of adding PCM to FFPC on second degree burns were investigated through numerical calculations. Thermal analyses of biological tissues and FFPC with embedded PCM exposed to several fire conditions causing severe tissue damage were studied by using a finite difference method based on the Pennes bio-heat equation. FFPC with embedded PCM was found to provide significantly greater protection than conventional fire fighting clothing, because the heat of absorption due to the phase change within the material is used to limit the heat conduction of the material.

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Section: 우리나라의 화상환자 발생현황을 국민건강보험공단에 급unclassified

Inhibitory Effect of adding Phase Change Material (PCM) to Fire Fighter Protective Clothing on Burn Injuries

Lee

2016

Fire Science and Engineering

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“…There are two types of mathematical models for the heat transfer through clothing and skin: those that only consider heat transfer [8,11,12,14], and those that consider heat and moisture transfer [3,5]. We consider a model with only heat transfer as the effect of the pcm is larger than moisture transfer effects so the added complexity of including moisture transfer is not warranted.…”

Section: Mathematical Modelmentioning

confidence: 99%

“…This is reasonable given the temperature range involved. Table 1 gives typical values and those used here [3,14]. The air gap used of 0.5 mm is at the lower end of the range typically used in testing which is from 6 mm to touching (no air gap) [15].…”

Section: Mathematical Modelmentioning

confidence: 99%

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Mathematical modelling of the effect of fire exposure on a new type of protective clothing

Mercer¹,

Sidhu²

2008

ANZIAMJ

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We model the behaviour of heat transport through a new type of protective clothing that varies its properties with temperature. Heat absorption due to phase change within the material is used to limit the heat conduction of the material. We investigate the performance of such a material to determine the possibility of using these types of materials as protective clothing for firefighters. Clothing with embedded phase change material is found to give significantly more protection than conventional firefighting clothing.

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“…Steam burns emerge if the firefighter is exposed to an external heat load and moisture within the clothing system starts to evaporate. The emerging hot steam can diffuse to the inside towards the body depending on the permeability of the clothing layers [6] and condenses on the skin [7]. During this condensation process, heat of evaporation is released, which might cause burns.…”

Section: Introductionmentioning

confidence: 99%

Analysis of Steam Formation and Migration in Firefighters’ Protective Clothing Using X-Ray Radiography

Keiser

Wyss

Rossi

2010

International Journal of Occupational Safety and Ergonomics

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X-ray radiography was used to quantify evaporation and moisture transfer in a multilayer firefighter protective clothing system with defined wetted layers exposed to low thermal radiation. Evaporation was faster and took place at higher temperatures if the moisture was located in the outer layers of the clothing system. Moisture that evaporated in the outer layers of the clothing system was found to move inwards and condense in the inner layers and on the cap of the measurement cell. Results found in this study correlated well with the findings of our former study based on simple temperature distribution measurements to determine moisture transfer in protective clothing layers at low level thermal radiation.

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Modeling heat and moisture transport in firefighter protective clothing during flash fire exposure

Cited by 65 publications

References 13 publications

Inhibitory Effect of adding Phase Change Material (PCM) to Fire Fighter Protective Clothing on Burn Injuries

Inhibitory Effect of adding Phase Change Material (PCM) to Fire Fighter Protective Clothing on Burn Injuries

Mathematical modelling of the effect of fire exposure on a new type of protective clothing

Analysis of Steam Formation and Migration in Firefighters’ Protective Clothing Using X-Ray Radiography

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