提出了一个二维的分形模型来计算木材横纹有效导热系数。
A two-dimensional fractal model was proposed to predict the effective thermal conductivity perpendicular to fibres of wood.
本文导出了基于逾渗理论并考虑温度影响的散体有效导热系数预测模型。
On the basis of percolation theory, a effective thermal conductivity model of disperse system was presented considering temperature influence.
结果表明，金属介质的导热系数越大，则相变材料的有效导热系数也越大；
The results show that the greater the thermal conductivity of metal, the higher the effective thermal conductivity of PCMs.
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