Analyzing Garment Aperture Effect on Thermal Shrinkage of Flame Resistant Fabrics under Fire Exposure

IF 0.6 4区 工程技术 Q4 MATERIALS SCIENCE, TEXTILES AATCC Journal of Research Pub Date : 2021-12-01 DOI:10.14504/ajr.8.S2.13
Qi Wang, Miao Tian, Yun Su, Xianghui Zhang, Yimei Xiao, Jun Li
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Abstract

Thermal shrinkage of flame resistant fabrics can greatly affect the thermal protection of firefighters’ clothing. In this study, four boundary conditions were designed to simulate garment aperture structures. Thermal shrinkage was measured with and without an air gap under three heat-flux levels. The shrinkage ratio was measured and calculated using digital image technology. Results showed that an air gap between the fabric and sensors was the main factor in thermal shrinkage. The presence of an air gap aggravates thermal shrinkage at the garment apertures, especially under the open boundary condition with incomplete fixation. The ease required for human movement and thermal shrinkage should be taken into consideration when designing thermal protective clothing. This study provides a quantitative method for determining the thermal shrinkage of fabrics.
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服装孔径对火灾下阻燃织物热收缩的影响分析
阻燃织物的热收缩对消防员服装的热防护有很大影响。在本研究中,设计了四个边界条件来模拟服装孔隙结构。在三个热通量水平下测量有和没有空气间隙的热收缩。使用数字图像技术测量和计算收缩率。结果表明,织物与传感器之间的气隙是导致热收缩的主要因素。气隙的存在加剧了服装孔隙处的热收缩,尤其是在固定不完全的开放边界条件下。在设计热防护服时,应考虑人体活动所需的便利性和热收缩性。该研究为确定织物的热收缩率提供了一种定量方法。
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来源期刊
AATCC Journal of Research
AATCC Journal of Research MATERIALS SCIENCE, TEXTILES-
CiteScore
1.30
自引率
0.00%
发文量
34
期刊介绍: AATCC Journal of Research. This textile research journal has a broad scope: from advanced materials, fibers, and textile and polymer chemistry, to color science, apparel design, and sustainability. Now indexed by Science Citation Index Extended (SCIE) and discoverable in the Clarivate Analytics Web of Science Core Collection! The Journal’s impact factor is available in Journal Citation Reports.
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