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首页> 外文期刊>Fibres & textiles in Eastern Europe >Influence of the Needle Number on the Heat Insulation Performance of Pre-oxidized Fibre Felts
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Influence of the Needle Number on the Heat Insulation Performance of Pre-oxidized Fibre Felts

机译：针数对预氧化纤维毡隔热性能的影响

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摘要

Many factors were needed to be considered to prepare pre-oxidised fibre felts excellent heat insulation performance, and different production processes showed differences in the heat insulation performance of pre-oxidised fibre felts. In order to probe into re influence of the production process on the heat insulation performance of materials, a large number of experiments were needed to be carried out. For needle-punched nonwoven pre-oxidised fibre felts, web features, needle characteristics and the needle process will all affect the structure of pre-oxidised fibre felts, thus bringing a major influence on the heat insulation performance of pre-oxidised fibre felts. In this paper: the influence of the needle number on the heal insulation performance of pre-oxidised,fibre fills was mainly studied. Results showed that an increase in the needle number will cause a decrease in the thickness and gram weight of pre-oxidised fibre felts, and a weakening trend in the heat insulation performance of pre-oxidiaed fibre felts with an increasing needle number at roam temperature and at 100-200 degrees C was shown. Moreover when the needle number was 1 and 2, the pre-oxidised fibre needled felts had good heat insulation performance, and for pre-oxidized fibre felts at different needle numbers with increasing temperature, the temperature difference in a steady state increased linearly.
机译：制备具有优异隔热性能的预氧化纤维毡需要考虑许多因素，并且不同的生产工艺显示出预氧化纤维毡的隔热性能存在差异。为了探究生产过程对材料隔热性能的影响，需要进行大量的实验。对于针刺无纺布预氧化纤维毡，幅材特征，针刺特性和针刺工艺都会影响预氧化纤维毡的结构，从而对预氧化纤维毡的隔热性能产生重大影响。本文主要研究了针数对预氧化纤维填料的保温隔热性能的影响。结果表明，针数的增加将导致预氧化纤维毡的厚度和克重降低，并且随着漫游温度和针数的增加，预氧化纤维毡的隔热性能减弱。显示在100-200摄氏度。此外，当针数为1和2时，预氧化纤维针刺毡具有良好的隔热性能，并且对于不同针数的预氧化纤维毡，随着温度的升高，稳态温度差线性增加。

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