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首页> 外文期刊>The Journal of the Textile Institute >Statistical model for predicting the air permeability of polyester/cotton-blended interlock knitted fabrics
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Statistical model for predicting the air permeability of polyester/cotton-blended interlock knitted fabrics

机译：预测涤棉混纺针织物透气性的统计模型

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摘要

The aim of this study is to model the effect of knitting parameters on the air permeability (AP) of polyester/cotton interlock fabrics. Fabric samples of areal densities ranging from 105 to 654 g/m~2 were knitted using yarns of three different polyester/cotton blends, each of the three different linear densities by systematically varying knitting loop lengths for obtaining different cover factors. It was found that changing the polyester/cotton blend ratio from 65/35 to 52/48 and 40/60 did not have a statistically significant effect on the fabric AP. AP sharply decreased with decrease in knitting loop length owing to increase in fabric areal density. Increase in yarn linear density (tex) resulted in a decrease in AP due to increase in fabric thickness as well as the areal density. It was concluded that response surface regression modeling could adequately model the effect of knitting parameters on the fabric AP. The model was validated by unseen data-set and found that predicted and actual values were in good agreement with each other with less than 5% absolute error. Sensitivity analysis was also performed to determine the relative contribution of each input variable on the AP of the interlock fabrics.
机译：这项研究的目的是模拟编织参数对聚酯/棉质互锁织物的透气性（AP）的影响。使用三种不同的聚酯/棉混纺纱来编织面密度范围为105至654 g / m〜2的织物样品，通过系统地改变编织线圈的长度来获得不同的覆盖因子，从而使用三种不同的线密度中的每一种。发现将聚酯/棉的掺混比从65/35改变为52/48和40/60对织物AP没有统计学上显着的影响。由于织物面密度的增加，AP随着编织环长度的减少而急剧下降。纱线线密度（tex）的增加由于织物厚度和面密度的增加而导致AP降低。结论是，响应面回归建模可以适当地模拟编织参数对织物AP的影响。该模型通过看不见的数据集进行了验证，发现预测值和实际值彼此之间具有很好的一致性，且绝对误差小于5％。还执行了灵敏度分析，以确定每个输入变量对联锁织物的AP的相对贡献。

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