针织面料凉爽性能的评价方法及其预测模型

doi:10.13475/j.fzxb.20200401607

摘要/Abstract

摘要：

针对针织面料的凉爽性能评价没有明确系统的表征和检测方法的现状,提出了针织面料的凉爽性能的综合评价方法。以干态织物升温性能表征织物导热能力,以湿态织物升温性能表征织物导热、水分扩散和蒸发等降温性能;结合织物导热性能的评价原理,提出针织面料凉爽性能的评价指标:凉爽温度、凉爽温度指数和凉爽能力指数。采用相关性分析方法对34块织物的相关热湿舒适性能参数与凉爽性能参数的相关性进行分析,并基于逐步法多元回归分析建立了凉爽性能参数的预测模型。研究结果表明:与织物凉爽性能相关的主要因素包括织物的热阻、湿阻、干燥速率和扩散半径;凉爽能力指数可通过织物的热阻、湿阻和干燥速率进行预测,凉爽温度可通过织物的热阻和扩散半径进行预测。

关键词: 针织面料, 凉爽性能, 凉爽性能预测模型, 热湿舒适性, 凉爽能力指数

Abstract:

There is no definite systematic characterization and test method to evaluate the cooling performance of knitted fabrics. A novel evaluation method of cooling performance of knitted fabrics was introduced. This method was characterized by the thermal transfer performance of dry fabric and the cooling performance triggered by thermal transfer, moisture diffusion and evaporation of wet fabrics. Based on the evaluation theory of thermal transfer behavior of fabrics, relevant evaluation indexes including cooling temperature, cooling temperature index and cooling capacity index were proposed. The correlation analysis of the cooling parameters and the relevant thermal comfort parameters of 34 knitted fabrics were conducted, and the prediction models of cooling performance parameters were established based on stepwise multiple regression analysis. The results show that the cooling performance of knitted fabrics are mainly linearly related their thermal resistance, water vapor resistance, diffusion radius and drying rate. The cooling capacity index can be predicted by thermal resistance, water vapor resistance and drying rate of knitted fabrics, and the cooling temperature can be predicted by thermal resistance and diffusion radius of knitted fabrics.

Key words: knitted fabric, cooling performance, prediction model of cooling performance, thermal-moist comfort, cooling capacity index

中图分类号:

TS181

杨阳, 俞欣, 章为敬, 张佩华. 针织面料凉爽性能的评价方法及其预测模型[J]. 纺织学报, 2021, 42(03): 95-101.

YANG Yang, YU Xin, ZHANG Weijing, ZHANG Peihua. Evaluation method and prediction model establishment of cooling performance of knitted fabrics[J]. Journal of Textile Research, 2021, 42(03): 95-101.

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面料编号	编织结构	面密度/ (g·m^-2)	纵密/(横列· (5 cm)^-1)	横密/(纵行· (5 cm)^-1)	厚度/ mm
F1	双罗纹	191	68	74	0.96
F2	双罗纹	191	70	74	1.00
F3	双罗纹	192	68	74	1.01
F4	双罗纹	196	70	74	1.01
F5	双罗纹	194	70	72	0.98
F6	双罗纹	197	68	74	0.99
F7	双罗纹	195	70	72	1.01
F8	双罗纹	191	70	72	0.94
F9	双罗纹	197	68	74	0.98
F10	双罗纹	196	70	72	0.99
F11	双罗纹	221	68	70	0.90
F12	双罗纹	221	70	72	0.81
F13	双罗纹	218	70	72	0.84
F14	双罗纹	221	68	72	0.83
F15	双罗纹	218	68	72	0.88
F16	双罗纹	225	68	74	0.83
F17	双罗纹	220	70	72	0.84
F18	双罗纹	223	68	72	0.84
F19	双面集圈	161	90	65	0.71
F20	双面集圈	158	94	67	0.74
F21	双面集圈	179	95	63	0.86
F22	双面集圈	190	92	65	1.06
F23	双面集圈	182	96	67	1.11
F24	双面集圈	170	95	63	0.69
F25	双面集圈	168	93	65	0.77
F26	双面集圈	169	91	65	0.91
F27	双面集圈	175	93	67	0.94
F28	双面集圈	170	92	65	0.95
F29	小网眼	127	95	64	0.63
F30	小网眼	124	93	67	0.63
F31	小网眼	129	92	66	0.68
F32	大网眼	107	94	65	0.57
F33	大网眼	109	93	67	0.59
F34	大网眼	106	95	65	0.60

性能参数	最小值	最大值	平均值	标准偏差	偏度	偏度标准分数	峰度	峰度标准分数
透气率/(L·(m²·s)^-1)	580.02	3 314.22	1 539.33	808.77	0.55	1.37	-0.86	-1.09
芯吸高度/cm	7.90	21.80	14.92	4.17	0.03	0.08	-1.10	-1.39
单向导湿指数	-161.93	835.05	237.86	249.18	0.84	2.09	0.70	0.89
扩散半径/mm	5.00	30.00	17.33	6.07	-0.42	-1.05	-0.22	-0.28
干燥速率/(mL·h^-1)	0.92	2.23	1.53	0.31	0.21	0.51	0.01	0.01
热阻/(10^-3m²·K·W^-1)	12.25	27.74	18.37	3.95	0.56	1.39	-0.15	-0.19
湿阻/(cm²·Pa·W^-1)	1.24	4.95	3.12	1.05	0.33	0.83	-0.44	-0.56
凉爽温度/℃	5.50	7.88	6.71	0.69	-0.43	-1.06	-1.02	-1.29
凉爽能力指数/(10^-3m²·K·(W·s)^-1)	26.04	47.53	33.92	5.76	0.75	1.85	-0.33	-0.42
凉爽温度指数/(K·s^-1)	14.35	26.19	18.68	3.18	0.75	1.85	-0.33	-0.42

性能参数	相关系数类型	透气率	芯吸高度	单向导湿指数	扩散半径	干燥速率	热阻	湿阻
凉爽能力指数	皮尔森相关系数	0.460^*	-0.282	-0.303	0.005	0.198	-0.779^**	0.621^**
凉爽能力指数	显著性	0.017	0.106	0.082	0.979	0.262	0	0
凉爽温度	皮尔森相关系数	0.055	0.089	-0.255	0.334	0.014	-0.708^**	0.378^*
凉爽温度	显著性	0.757	0.615	0.146	0.054	0.939	0	0.028

模型编号	预测分析					项目	方差分析
模型编号	R²	调整 R²		标准差		项目	平方和	df	均方	F	显著性
1	0.606		0.594		3.673	回归	664.38	1	664.38	49.24	0.00
						残差	431.77	32	13.49
						总计	1 096.15	33
2	0.731		0.714		3.085	回归	801.15	2	400.57	42.09	0.00
						残差	295.01	31	9.52
						总计	1 096.15	33
3	0.765		0.742		2.930	回归	838.58	3	279.53	32.56	0.00
						残差	257.57	30	8.59
						总计	1 096.15	33

模型编号	项目	非标准化系数	标准差	标准化系数	T	显著性
1	常量	54.803	3.043		18.012	0.000
1	热阻	-1.137	0.162	-0.779	-7.017	0.000
2	常量	44.404	3.749		11.845	0.000
	热阻	-0.927	0.147	-0.635	-6.310	0.000
	湿阻	2.097	0.553	0.381	3.791	0.001
3	常量	34.917	5.773		6.049	0.000
	热阻	-0.813	0.150	-0.557	-5.422	0.000
	湿阻	2.576	0.573	0.469	4.493	0.000
	干燥速率	3.863	1.850	0.207	2.088	0.045