纺织学报 ›› 2020, Vol. 41 ›› Issue (01): 118-123.doi: 10.13475/j.fzxb.20190100606

• 服装工程 • 上一篇    下一篇

蒸汽暴露条件对织物热防护性能的影响

邱浩1, 苏云1,2, 王云仪1,2,3()   

  1. 1.东华大学 服装与艺术设计学院, 上海 200051
    2.东华大学 现代服装设计与技术教育部重点实验室, 上海 200051
    3.同济大学 上海国际设计创新研究院, 上海 200080
  • 收稿日期:2019-01-07 修回日期:2019-04-11 出版日期:2020-01-15 发布日期:2020-01-14
  • 通讯作者: 王云仪
  • 作者简介:邱浩(1992—),男,硕士生。主要研究方向为服装舒适性与功能设计。
  • 基金资助:
    国家自然科学基金面上项目(51576038);上海市自然科学基金项目(17ZR1400500)

Influence of steam exposure condition on thermal protective performance of fabrics

QIU Hao1, SU Yun1,2, WANG Yunyi1,2,3()   

  1. 1. College of Fashion and Design, Donghua University, Shanghai 200051, China
    2. Key Laboratory of Clothing Design and Technology, Ministry of Education, Donghua University, Shanghai 200051, China
    3. Shanghai International Institute of Design and Innovation, Tongji University, Shanghai 200080, China
  • Received:2019-01-07 Revised:2019-04-11 Online:2020-01-15 Published:2020-01-14
  • Contact: WANG Yunyi

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摘要：

为评价蒸汽压力、蒸汽与人体相对距离等条件对织物中热湿传递的作用规律,在蒸汽暴露条件下,测量不同蒸汽压力与喷射距离时织物的热防护性能,分析织物内储水量、蒸汽渗透量与热防护性能之间的关系,并探究蒸汽压力对储水量、渗透量的影响规律。结果表明:蒸汽暴露条件下,增大蒸汽压力与减少喷射距离能够降低织物的隔热性能,明显影响织物蒸汽热防护性能;织物透气性与皮肤二级烧伤时间呈显著负相关关系;另外,储水量、渗透量与蒸汽压力呈现正相关,且分别与织物的回潮率和透气性呈现正相关;降低水分吸收和减少蒸汽渗透是提高织物热防护性能的重要因素。

关键词: 热防护用织物, 热防护性能, 蒸汽压力, 喷射距离, 二级烧伤时间

Abstract:

Aiming to evaluate the effects of steam pressure and distance between hot steam and human body on thermal and moisture transfer of fabrics, this study was carried out to characterize thermal protective performance of fabrics under different steam pressures and jet distances. The relationship between water storage, steam permeability and thermal protective performance under the steam heat exposure condition was analyzed, and the influence of steam pressure on water storage and steam permeability was explored. The research findings indicate that increasing steam pressure and reducing jet distance can both decrease the thermal insulation, and evidently reduce the thermal protective performance of fabrics under steam exposure environment. Air permeability of fabric has a significant negative correlation with second degree burn time. In addition, both water storage and steam permeability are positively correlated with steam pressure, also with fabric's moisture regain and air permeability. It is concluded that the decrease of water absorption and steam penetration determine thermal protective performance of fabrics.

Key words: fabric for thermal protective, thermal protective performance, steam pressure, jet distance, second degree burn time

中图分类号: 

  • TS941.73

表1

实验织物的基本参数"

织物编号 纤维成分 组织结构 面密度/
(g·m-2)		 厚度/mm 透气性/
(mm·s-1)		 标准
回潮率/%		 饱和含
水量/g
F1 芳纶1414 斜纹 210 0.66 124.91 3.53 3.13
F2 芳纶1414 平纹 150 0.53 649.63 3.63 6.23
F3 50%芳纶1313,50%芳纶1414 斜纹 210 0.54 153.60 3.20 1.25
F4 50%芳纶1313,50%纤维素纤维 平纹 150 0.33 608.47 2.88 0.80
F5 93%芳砜纶,5%凯夫拉,2%碳纤维 斜纹 250 0.53 122.42 3.09 1.04
F6 93%芳砜纶,5%芳纶,2%碳纤维 斜纹 200 0.68 589.74 4.96 9.80
F7 98%芳砜纶,2%碳纤维 平纹 150 0.42 233.09 3.29 2.92

图1

织物正反面的热电偶位置"

图2

不同蒸汽压力时织物内的水分储存量"

表2

不同蒸汽压力时蒸汽渗透量"

织物
编号		 50 kPa 100 kPa 150 kPa
渗透
量/g		 标准
差		 渗透
量/g		 标准
差		 渗透
量/g		 标准
差
F1 0.03 0.00 0.06 0.01 0.09 0.01
F2 0.06 0.00 0.19 0.00 0.45 0.02
F3 0.04 0.01 0.06 0.01 0.11 0.00
F4 0.11 0.01 0.33 0.03 0.76 0.04
F5 0.05 0.01 0.08 0.01 0.10 0.01
F6 0.05 0.01 0.14 0.01 0.33 0.01
F7 0.04 0.01 0.09 0.00 0.16 0.00

图3

热暴露阶段织物F1正反面温度"

表3

上下传感器正反面温差"

织物
编号		 上传感器 下传感器
温差/℃ 标准差 温差/℃ 标准差
F1 8.32 0.15 5.68 0.14
F2 6.64 0.68 4.35 0.10
F3 6.99 0.72 4.92 0.01
F4 5.63 0.14 4.58 0.49
F5 7.27 0.05 5.47 0.67
F6 6.30 0.50 4.43 0.18
F7 5.56 0.04 5.10 0.05

图4

不同蒸汽压力下皮肤二级烧伤时间"

图5

不同喷射距离时皮肤二级烧伤时间"

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