内围护结构保温层节能效果模拟分析
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摘要
文章利用建筑热工模拟软件Designbuilder对采用分户间歇采暖模式的简化住宅建筑模型进行分析,探究该建筑模型在多种采暖模式下进行内围护结构保温的节能效果和室温变化情况。研究结果表明:(1)当计算房间周围邻室都不采暖时,增设内围护结构保温层可以有效降低采暖期建筑热负荷,同时使计算房间在非采暖时段内的室温升高。(2)计算房间周围邻室采暖时,计算房间增设楼板保温的节能效果与采暖邻室数量有关。(3)与不设内围护结构保温层相比,增设10mm内围护结构保温层时,简化模型中计算房间的节能率可达20%以上。
This paper uses the building thermal simulation software Designbuilder to analyze the simplified residential building model which is under intermittent heating mode, and explores the energy-saving effect and room temperature change of this model. The results show that:(1) When the rooms around the calculated room are not heated, the addition of inner envelop structure insulation can effectively reduce the building heating load, and at the same time raise the room temperature of the calculated room during non-heating period.(2) When adjacent rooms heated, the energy-saving effect of adding inner envelop structure insulation is related to the number of heated adjacent rooms.(3) Compared with the room whose inner structure is non-insulated, the energy saving rate of calculated room with 10 mm inner insulation layer can reach more than 20%.
This paper uses the building thermal simulation software Designbuilder to analyze the simplified residential building model which is under intermittent heating mode, and explores the energy-saving effect and room temperature change of this model. The results show that:(1) When the rooms around the calculated room are not heated, the addition of inner envelop structure insulation can effectively reduce the building heating load, and at the same time raise the room temperature of the calculated room during non-heating period.(2) When adjacent rooms heated, the energy-saving effect of adding inner envelop structure insulation is related to the number of heated adjacent rooms.(3) Compared with the room whose inner structure is non-insulated, the energy saving rate of calculated room with 10 mm inner insulation layer can reach more than 20%.
引文
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[2]环境空气细颗粒物污染综合防治技术政策[Z].中华人民共和国生态环境部, 2013.
[3]玉建军.京津地区燃气采暖可行性分析[J].天津城市建设学院学报,1998,(1):3-4.
[4]中华人民共和国住房和城乡建设部.严寒和寒冷地区地区居住建筑节能设计标准:JGJ26-2010[S].2010.3.18.
[5]腾讯房产研究院,中国房地产报,等. 2015年5月全国城市住房市场调查报告[R].2015.6.4.
[6]中国家庭金融调查与研究中心.城镇住房空置率及住房市场发展趋势2014(简要版)[R]. 2014.
[7]阮方.分室间歇用能方式下居住建筑围护结构保温节能理论研究[D].浙江大学,2017.