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首页> 外文期刊>Fibres & textiles in Eastern Europe >Thermal Properties of Functionally Graded Fibre Material
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Thermal Properties of Functionally Graded Fibre Material

机译：功能梯度纤维材料的热性能

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摘要

In this paper the problem of modelling graded materials in the form of a fibre composite with varying fibre diameter is considered. The aim of modelling was to determine the micro and macroscopic thermal properties of this type of material, in which the average thermal conductivity in relation to fibre saturation changes was calculated at any point of fibre FGM, and then the effective thermal conductivity of a whole layer of the material was determined. To do that, a unit cell of the material of given structure was isolated and the one-dimensional heat flux passing through it was considered. As an effect of the investigation, the procedure of effective thermal conductivities calculation was presented and illustrated with a numerical example. Additionally the discrete and continuous approach to the effective thermal conductivities calculations were analysed and compared.
机译：在本文中，考虑了对具有变化的纤维直径的纤维复合材料形式的渐变材料进行建模的问题。建模的目的是确定此类材料的微观和宏观热性能，其中，在纤维FGM的任意点计算与纤维饱和度变化相关的平均热导率，然后计算整个层的有效热导率确定了材料的为此，隔离给定结构的材料的晶胞，并考虑通过它的一维热通量。作为研究的结果，提出了有效热导率计算的程序，并通过一个数值示例进行了说明。另外，分析和比较了有效热导率计算的离散和连续方法。

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