基于动态条件下消防服热防护性能与舒适性能评价

发布时间：2018-03-03 06:51

本文选题：动态条件　切入点：消防服　出处：《天津工业大学》2017年硕士论文　论文类型：学位论文

【摘要】：目前世界各地,火灾频繁发生,消防服是战斗在消防一线的消防员的生命安全重要保护装备。在灭火战斗中,消防服的热防护性能和舒适性能不仅关系消防员的工作效率而且直接危及消防员的生命安全。所以,消防服整体的热防护性能与舒适性能的评价显得尤为重要。现有的消防服热防护性能评价都是在稳定环境状态下进行的,并不能客观真实的模拟消防员接警后由普通环境到进入火场这一动态过程。本文研究了,基于动态条件下,消防服整体的热防护性能与舒适性能,探究了消防员穿着消防服进入火场,消防员核心温度、皮肤温度、消防服内层温度和消防服外层温度随时间的变化规律。通过构建实验平台,基于出汗暖体假人系统,提出了一种新的测量消防服整体防护性能的方法,并提出一个客观参数核心温度变化率CTCR来测量消防服整体的热防护性能。探究了基于动态条件下,消防服热防护性能影响因素,同时基于动态条件下对消防服热防护性能与舒适性能进行了客观和主观评价。首先本文自行搭建了两个实验设备,隔热保温罩与闪爆辐射热源,与人工气候室、出汗暖体假人系统一起构成了本研究的实验平台。文中选用了三套常见的现役消防服,在动态条件下,研究了其热防护性能与舒适性能,并对每一套消防服的热阻、湿阻、透气性能、透湿性能、厚度、重量进行了测试。结果表明F2消防服的核心温度变化率CTCR最小,其热防护性最好,综合比较F2消防服的舒适性能最优。在动态条件下,消防服的热防护性能与消防服的热阻、湿阻、透气性能、透湿性能有关,且都与其热护性能正相关,特别地热阻的影响效果最为明显,热阻越大消防服的动态热防护性能越大。最后,在动态条件下,对三套消防服的热防护性能与舒适性主观评价进行了真人实验,结果表明F2消防服的热防护性能与舒适性能都是最优的,F1消防服的热防护性能与舒适性能次之,F3消防服的热防护性能与舒适性能最差,主观评价结果与基于动态条件下消防服热防护性能与舒适性能客观评价结果一致。
[Abstract]:At present, fires occur frequently in various parts of the world. Fire fighting clothing is an important protection equipment for the lives of firefighters fighting on the front line of fire. The performance of thermal protection and comfort of fire fighting clothes is not only related to the work efficiency of firefighters, but also directly endangers the life safety of firefighters. It is particularly important to evaluate the overall thermal protection performance and comfort performance of fire fighting clothing. The existing evaluation of thermal protection performance of fire fighting clothing is carried out in a stable environment. It is impossible to simulate the dynamic process from ordinary environment to fire scene after firemen receive alarm objectively and realistically. This paper studies the thermal protection performance and comfort performance of the whole fire fighting suit under dynamic conditions. The changes of firefighters' core temperature, skin temperature, inner layer temperature and outer temperature of firefighting suit were investigated. In this paper, a new method for measuring the overall protective performance of fire fighting clothing is proposed, and an objective parameter, the core temperature change rate (CTCR), is proposed to measure the overall thermal protection performance of the fire fighting suit. At the same time, the thermal protection performance and comfort performance of fire clothing are evaluated objectively and subjectively on the basis of dynamic conditions. Firstly, two experimental equipments, thermal insulation cover and flashover radiation heat source, are built in this paper. Together with the artificial climate room, the sweating and warm-body dummy system constitutes the experimental platform of this study. In this paper, three sets of common active fire fighting suits are selected, and the thermal protection performance and comfort performance are studied under dynamic conditions. The thermal resistance, moisture resistance, air permeability, moisture permeability, thickness and weight of each suit are tested. The results show that the core temperature change rate of F2 fire suit is the smallest, and its thermal protection is the best. Under the dynamic condition, the thermal protection performance of the fire suit is related to the thermal resistance, moisture resistance, air permeability and moisture permeability of the suit, and all of them are positively related to its thermal and protective performance. In particular, the effect of thermal resistance is the most obvious, and the larger the thermal resistance, the greater the dynamic thermal protection performance. Finally, under dynamic conditions, the subjective evaluation of thermal protection performance and comfort of three sets of fire fighting clothing is carried out in a real person experiment. The results show that the thermal protection performance and comfort performance of F _ 2 fire suit are the best, and the thermal protection performance and comfort performance of F _ 1 fire suit are the worst, and the thermal protection performance and comfort performance of F _ 3 fire suit are the worst. The subjective evaluation results are consistent with the objective evaluation results of thermal protection performance and comfort performance of fire fighting clothing under dynamic conditions.
【学位授予单位】：天津工业大学
【学位级别】：硕士
【学位授予年份】：2017
【分类号】：TS941.733.4

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