Relation between thermal conductivity an d coordination number for fibre-reinforced composite with random distribution of fibres

被引：2
|
作者：
Darnowski, Piotr [1 ]
Furmanski, Piotr [1 ]
Domanski, Roman [1 ]
机构：
[1] Warsaw Univ Technol, Inst Heat Engn, Novvovviejska 21-25, PL-00665 Warsaw, Poland
来源：
ARCHIVES OF THERMODYNAMICS | 2019年 / 40卷 / 01期
关键词：
Fibre reinforced composite; Random sequential addition; Parallel fibres; Coordination number; Effective thermal conductivity; COMPUTER-SIMULATION; BOUNDS;
D O I：
10.24425/ather.2019.128288
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Transverse effective thermal conductivity of the random unidirectional fibre-reinforced composite was studied. The geometry was circular with random patterns formed using random sequential addition method. Composite geometries for different volume fraction and fibre radii were generated and their effective thermal conductivities (ETC) were calculated. Influence of fibre-matrix conductivity ratio on composite ETC was investigated for high and low values. Patterns were described by a set of coordination numbers (CN) and correlations between ETC arid CN were constructed. The correlations were compared with available formulae presented in literature. Additionally, symmetry of the conductivity tensor for the studied geometries of fibres was analysed.
引用
收藏
页码：21 / 48
页数：28
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