城市更新背景下既有工业厂房低碳改造的多目标优化研究
DOI:
https://doi.org/10.70693/cjst.v2i4.2089Keywords:
既有建筑改造；低碳改造；多目标优化；半生命周期碳排放；城市更新Abstract
城市更新与“双碳”目标下，既有工业厂房低碳改造需统筹碳排放、投资回收与室内舒适度。本文以西安市某工厂厂房为对象，构建EnergyPlus仿真、Morris敏感性分析、多元线性回归（MLR）代理模型、权重法与熵权-TOPSIS相结合的多目标决策框架。结果表明，光伏面积、墙体保温、屋顶保温和窗户类型为关键参数；HLCCE与IDH代理模型测试集R²均大于0.94，IPP模型R²为0.824。不同偏好下方案差异显著：环保优先方案碳排最低，经济优先方案回收最快，TOPSIS方案热舒适最优但碳排放与经济性均非最优。研究表明，在本文设定的目标体系和候选方案范围内，既有厂房改造难以形成同时兼顾低碳、经济与舒适目标的单一最优方案，应结合主体偏好开展多方案比选。
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