面料热阻测量在GB/T 11048新旧标准中的差异

纺织学报 ›› 2013, Vol. 34 ›› Issue (9): 68-0.

面料热阻测量在GB/T 11048新旧标准中的差异

詹卓陈益松

东华大学服装•艺术设计学院

收稿日期:2012-08-10 修回日期:2013-05-09 出版日期:2013-09-15 发布日期:2013-09-12
通讯作者: 陈益松 E-mail:cys@dhu.edu.cn

Discrepancy between fabric thermal resistance measurements by new and old editions of GB/T 11048 standard

Received:2012-08-10 Revised:2013-05-09 Online:2013-09-15 Published:2013-09-12
Contact: Yisong Chen E-mail:cys@dhu.edu.cn

摘要/Abstract

摘要： 针对新版国标GB/T 11048-2008《纺织品生理舒适性稳态条件下热阻和湿阻的测定》所规定的面料热阻测量A法和B法与旧版国标GB/T11048-1989《纺织品保温性能试验方法》所规定的A法进行实验对比研究。实验表明，同在新版A标准下，两种型号的热板仪的测量数据存在较大差异，与热板仪的设计与校准有关；在新版A法空气层气流为1m/s的条件较新版B法静态空气层的条件下面料的热阻值有较大幅度的下降，其下降值不仅与面料的厚度负相关，也与面料的材料与组织结构相关，新版B法35℃对于旧版A法36℃的温度设定差异对实验结果没有显著影响，两者可直接比较；有无空气隔离罩对于新版B法的实验结果总体影响不显著，但对抑制环境空气的随机波动影响有作用。新版A法、新版B法及旧版A法的数据CV值相似，说明实验稳定性相似。新版A法与国际标准ISO11092-1993《Textiles-Physiological effects-Measurement of thermal and Wate-vapour resistance under steady-state conditions》一致，而新版B法与旧版A法兼容。

关键词: 织物, 热阻, 热板仪, GB/T 11048, ISO11092

Abstract: A comparable study was carried out to compare fabric thermal resistance testing method A and B of new edition of GB/T11048-2008 ‘Textiles-Physiological effects-Measurement of thermal and Wate-vapour resistance under steady-state conditions’ with method A of the earlier edition of GB/T11048-1989 ‘Textiles-testing method for warmth retention property’. Experimental results showed that there is a difference between the data obtained from two hotplates with different design and calibration even under same new method A; The data measured from new method A with air speed of 1 m/s is decreased significantly than that from new method B with no wind, the decline in value is negatively related to thickness of fabric and also to their material and structure; The difference setting between new method B of 35℃ and old method A of 36℃ has no significant influence on test results overall, the data can be compared directly; The airflow shield has no obvious effect on results overall based on new method B, but has certain effect on suppression of random fluctuation of ambient air disturbance. C.V. values of the data by new method A and B and by old method A are similar, shows those tests have similar stability. The new method A is consistent with ISO11092-1993 ‘Textiles-Physiological effects-Measurement of thermal and Wate-vapour resistance under steady-state conditions’, while the new method B is compatible with old method A.

Key words: fabric, thremal resistance, hotplate, GB/T 11048, ISO11092

詹卓陈益松 . 面料热阻测量在GB/T 11048新旧标准中的差异[J]. 纺织学报, 2013, 34(9): 68-0.

Yisong Chen. Discrepancy between fabric thermal resistance measurements by new and old editions of GB/T 11048 standard[J]. JOURNAL OF TEXTILE RESEARCH, 2013, 34(9): 68-0.

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