摘要
为研发具有良好颗粒防护性能的消防灭火头套,从织物角度分析纤维形态特征、织物孔隙率、织物表面粗糙度、多层组合设计、造型结构设计5个方面对头套颗粒防护性能的影响;从环境角度归纳气流强度、湿度对织物颗粒防护性能的影响;总结现阶段织物颗粒防护的测试装置、测试方法、颗粒防护性能评价要求;阐述颗粒物在纤维层面的防护原理以及数值模拟法在颗粒物过滤、运动、表面沉积研究中的应用。最后,指出在未来的研究中需进一步完善消防灭火头套整体颗粒防护性能测试仪器;更加真实地模拟火场环境中烟气颗粒的传播与过滤沉积过程;明确头套织物系统的最优设计与构成方式;提高消防灭火头套的颗粒防护性能,促进我国消防防护装备的研发与完善。
In order to develop firefighter hoods with good particle protection performance,the effects of fiber shape characteristics,fabric porosity,fabric surface roughness,multi-layer combination design and modeling structure design on the particle protection performance of the hoods were analyzed from the perspective of fabric.The effects of air flow intensity and humidity on the protective properties of fabric particles were summarized from the perspective of environment.The testing devices,testing methods and evaluation requirements of particle protection of fabrics were summarized.The principle of particle protection in fiber layer and the application of numerical simulation method in particle filtration,movement and surface deposition were described.In the future,it is necessary to further improve the testing instrument of the overall particle protection performance of the firefighter hoods.The propagation and filtration deposition process of smoke particles in the fire environment was simulated more realistically.The optimal design and structure of the fabric system can improve the particle protection performance of firefighter hoods,promoting the research and development of fire protection equipment in China.
作者
钱江瑞
张文欢
李俊
QIAN Jiangrui;ZHANG Wenhuan;LI Jun(College of Fashion&Design,Donghua University,Shanghai 200051,China;Protective Clothing Research Center of Donghua University,Shanghai 200051,China;Key Laboratory of Clothing Design&Technology,Ministry of Education,Donghua University,Shanghai 200051,China)
出处
《毛纺科技》
CAS
北大核心
2023年第7期126-133,共8页
Wool Textile Journal
关键词
消防灭火头套
颗粒防护
过滤
沉积
数值模拟
firefighter hoods
particle protection
filtration
sedimentation
numerical simulation
