Definition of the Main Features of Material Assemblies for Thermal Protective Clothing During External High-temperature Effect Modelling

IF 0.7 Q3 MATERIALS SCIENCE, TEXTILES TEKSTILEC Pub Date : 2021-03-27 DOI:10.14502/TEKSTILEC2021.64.136-148
N. Ostapenko, M. Kolosnichenko, L. Tretiakova, T. Lutsker, K. Pashkevich, A. Rubanka, H. Tokar
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Abstract

A computational-experimental method of material selection for thermal protective clothing design is proposed in this article. The intended operating temperature of the garment lies within the range of 40−170 °С. The prereq¬uisite for the research was the lack of information regarding changes in the physical-mechanical and ergonomic characteristics of material assemblies during their use under high-temperature conditions. During the initial stage of research, there was a problem associated with the selection of the most important and the exclusion of the least significant indicators, in order to further reduce the number of experimental tests in laboratory and industrial conditions. The authors used the method of expert evaluations to solve the problems related to the selection of the most significant indicators for material assemblies. Material assemblies were formed by vary¬ing the combinations of heat-resistant, heat-insulation and lining layers of materials. Initial information for the proposed method was obtained from the experimental tests of sixteen material assemblies. According to the results of the ranking, the main parameters of material assemblies were identified as follows: the temperature range for which the use of clothing is intended, thickness, mass per unit density, rupture resistance, relative tear¬ing elongation, change in linear dimensions during mechanical loads, air permeability and change in assembly thickness during cyclic loads. It was established that the assembly that includes heat-resistant material of the Nomex comfort N.307 220 top, Nomex Serie 100 heat-insulation lining and Nomex TER 135 lining provides the necessary level of protection, reliability and ergonomics, and meets cost requirements.
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外部高温效应建模中热防护服材料组件主要特征的定义
本文提出了一种热防护服设计材料选择的计算-实验方法。该服装的预期工作温度在40 - 170°С范围内。这项研究的先决条件是缺乏关于材料组件在高温条件下使用过程中物理机械和人体工程学特性变化的信息。在研究的初始阶段,为了进一步减少实验室和工业条件下的实验测试次数,在选择最重要的指标和排除最不重要的指标方面存在一个问题。采用专家评价的方法,解决了材料装配最显著性指标的选取问题。材料组件由耐热、隔热和衬里层材料的不同组合而成。提出的方法的初步信息是从16个材料组件的实验测试中获得的。根据排序结果,确定了材料组件的主要参数如下:服装使用的温度范围、厚度、单位密度质量、抗破裂性、相对撕裂伸长率、机械载荷下线性尺寸变化、透气性和循环载荷下组件厚度变化。已经确定,该组件包括Nomex舒适性N.307 220顶部,Nomex系列100隔热衬里和Nomex TER 135衬里的耐热材料,提供必要的保护水平,可靠性和人体工程学,并满足成本要求。
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来源期刊
TEKSTILEC
TEKSTILEC MATERIALS SCIENCE, TEXTILES-
CiteScore
1.30
自引率
14.30%
发文量
22
审稿时长
12 weeks
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