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建立围护结构内部热传导的微分方程,运用有限差分法利用计算机求解,得到不同保温层厚度下与室内热量交换情况。结合保温层建造费用与室内制冷和保暖费用,求得保温层的最佳厚度。热工测试表明模型设计值与实测值吻合较好,这一算法为节能建筑设计提供科学参考。
The differential equations of internal heat conduction in building envelope are established. The finite difference method is used to solve the heat transfer problem with the indoor heat exchange under different insulation thickness. Combined with the cost of building insulation and indoor cooling and heating costs, get the best insulation thickness. Thermal test shows that the model design value is in good agreement with the measured value. This algorithm provides a scientific reference for energy-saving building design.