本文采用有限差分法，对耐火材料工业隧道窑窑车衬砖和车上制品进行了二维瞬态导热数值实验研究。
The finite difference method has been used to compute the two-dimensional transient heat conduction in products of the refractory industrial tunnel kiln and lining bricks of the kiln car.
本文用地源热泵地下换热器线热源模型、简化柱热源模型和二维瞬态数值传热模型对地下土壤导热系数分别进行了计算。
The line source model, the simplified cylindrical source model and the two-dimensional numerical model were used to determine the thermal conductivity of underground soil.
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