农居建筑围护结构改造节能敏感性分析:以内蒙古河套地区为例  

Sensitivity Analysis on Energy-saving of Envelope Reconstruction of Rural Buildings:Taking the Hetao Area of Inner Mongolia as an Example

作　　者：丁玉贤[1,2] 李阳灿 丁超 刘皓威 DING Yu-xian;LI Yang-can;DING Chao;LIU Hao-wei(School of Civil Engineering,Inner Mongolia University of Science and Technology,Baotou 014010,China;Intelligent Construction and Operation Engineering Research Center at Universities of Inner Mongolia Autonomous Region,Baotou 014010,China)

机构地区：[1]内蒙古科技大学土木工程学院,包头014010 [2]内蒙古自治区高校智能建造与运维工程研究中心,包头014010

出　　处：《科学技术与工程》2024年第23期9998-10007,共10页Science Technology and Engineering

基　　金：内蒙古自治区自然科学基金(2022MS05005);内蒙古自治区直属高校基本科业务费(2024QNJS029)。

摘　　要：建筑节能问题是全社会普遍关注的焦点,农村建筑高能耗现状依然严峻。既有建筑节能多关注单一分类要素对能耗的量化影响,而不同组合要素对建筑热负荷影响的总体趋势、显著性和主次关系人们并不清楚。以内蒙河套地区农居为研究对象,通过正交实验、能耗模拟和多元回归方法,研究围护结构因素对建筑热性能的影响规律。结果显示:内蒙古河套地区建筑空间结构因素的主次顺序分别为阳光间进深>保温层厚度>透明围护结构>外墙结构>建筑朝向>窗墙比;当阳光间进深在1 m,保温70 mm,窗墙比为0.5时建筑热负荷最小;优化改造后,呼和浩特、包头、巴彦淖尔和鄂尔多斯的节能率分别为67.5%、69.2%、72.8%和76.5%,为分析空间围护结构因素量化规律和参数优选提供决策依据。Building energy conservation is the focus of attention in the whole society since high energy consumption of rural buildings is still severe.Most previous studies on energy conservation of buildings mainly focus on the quantitative analysis of a single factor,while the overall trend,significance,and priority of different combination factors influencing building thermal load are unclear.Taking rural buildings in the Hetao Area of Inner Mongolia as research objects,the influence rule of building envelope was studied on building thermal property through orthogonal test,energy consumption simulation,and multiple regression method.The results show that the priorities of building design factors in the Hetao Area of Inner Mongolia are sunspace depth>insulating layer thickness>transparent building envelope>exterior wall structure>building orientation>window-wall ratio;the building thermal load is minimum when the sunspace depth is 1 m,the insulating layer thickness 70 mm,and the window-wall ratio 0.5;and after optimization and reconstruction,the rate of energy conservation in Hohhot,Baotou,Bayannur,and Erdos is 67.5%,69.2%,72.8%and 76.5%,respectively,thus providing the decision basis for analysis on the quantitative law of spatial envelope structure factors and the parameter optimization.

关 键 词：正交试验 围护结构变异 敏感因素 能耗预测 回归分析法 

分 类 号：TU241.1[建筑科学—建筑设计及理论]