严寒区建筑外墙外保温经济厚度优化研究
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摘要
在DeST逆向建模基础上,考虑外墙外保温体系全寿命周期费用,借助计算机对6种保温体系不同厚度的节能墙体在北方严寒地区使用能耗进行模拟,通过P_1–P_2经济模型建立墙体保温经济厚度优化模型,结果表明在相同保温材料厚度下,保温效果依次为PUR> XPS>岩棉> EPS>泡沫混凝土>玻化微珠保温砂浆。因岩棉比其他材料经济性好,故在外墙外保温体系选材时优先推荐。
Based on DeST converse modeling and with consideration of considering the life cycle cost of external thermal insulation system, the energy consumption of six thermal insulation systems of different thicknesses were simulated in severe cold area of North China and economic thickness optimization model for thermal insulation wall was developed through P_1–P_2 economic model. It was found that the thermal insulation effect decreased from PUR to XPS, rock wool, EPS, foamed concrete and thermal insulation glazed hollow bead mortar with the same thickness of thermal insulation material.Rock wool was recommended to be used as external thermal insulation material, because it has better economic advantages than other materials.
Based on DeST converse modeling and with consideration of considering the life cycle cost of external thermal insulation system, the energy consumption of six thermal insulation systems of different thicknesses were simulated in severe cold area of North China and economic thickness optimization model for thermal insulation wall was developed through P_1–P_2 economic model. It was found that the thermal insulation effect decreased from PUR to XPS, rock wool, EPS, foamed concrete and thermal insulation glazed hollow bead mortar with the same thickness of thermal insulation material.Rock wool was recommended to be used as external thermal insulation material, because it has better economic advantages than other materials.
引文
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[3]路萍,王昕,李雨桐,等.区域建筑能源需求预测基准模型的构建--以深圳市公共建筑为例[J].暖通空调,2015,45(12):14-21.
[2]ZHU D D,HONG T Z,YAN D,et al.A detailed loads comparison of three building energy modeling programs:EnergyPlus,DeST and DOE-2.1E[J].Building Simulation,2013,6(3):323-335.
[3]路萍,王昕,李雨桐,等.区域建筑能源需求预测基准模型的构建--以深圳市公共建筑为例[J].暖通空调,2015,45(12):14-21.