基于光气候区的办公楼太阳能幕墙多目标优化研究

Multi-objective Optimization Study of Office Building Solar Curtain Wall Based on Light Climate Zone

人口增长和城市扩张导致对建筑物的需求不断增加。利用集成光伏遮阳(PVSD)优化建筑立面设计可以降低建筑能耗,同时确保舒适的室内光热环境。本研究调查了高密度城市办公楼立面与室内光环境的关联,及其作为生产性立面组件的潜力,借助参数化软件对我国5个不同光气候区的典型办公建筑的室内光环境进行了模拟。研究首先定义了多目标优化的评价指标,基于所有变量指标的可能建立模型库,并从中筛选最佳的立面配置。集成模块有效改善了空间的室内采光和视觉舒适度,平均光舒适度达到66.5%,也满足了写字楼年人均用电需求的7%~13.5%。本研究可指导其他人口密集城市推广太阳能立面的研究和建设,以提高办公空间的视觉舒适度并降低能源消耗。

Population growth and urban expansion leads to a continuously increasing demand for buildings.Using integrated photovoltaic shading devices(PVSD)to optimize building facade design can reduce energy consumption while ensuring a comfortable indoor light and thermal environment.This study investigates the correlation between facade of high-density urban office buildings and the indoor lighting environment,exploring its potential as a productive facade component.Using parametric software,simulations were conducted for the indoor lighting environments of typical office buildings in five different light climate regions in China.The research first defined the evaluation criteria for multi-objective optimization,established a model library based on all variable indicators,and selected the optimal facade configuration from it.The integrated module effectively improved indoor daylighting and visual comfort in the space,achieving an average visual comfort level of 66.5%.It also met the office building’s per capita electricity demand of 7%~13.5%.This study can guide other densely populated cities in promoting research and construction of solar fa ades to enhance visual comfort in office spaces and reduce energy consumption.