Advanced Building Envelope Systems for Improved Energy Performance of Multistory Buildings

多层建筑可以容纳密度增加的建筑，但它们捕捉太阳辐射发电和制热的能力受到限制。这是因为相对于可用于主动收集太阳能的总楼层面积，屋顶和立面面积减少了。这些缺点进一步受到现有太阳能技术的限制，这些技术只能提供有限的形状和尺寸的太阳能电池板，因此阻碍了它们在先进建筑设计中的应用。*在多层建筑中，屋顶整合太阳能技术的潜力随着建筑高度的增加而下降，而立面潜力的趋势则由于表面积的增加而增加。集成在朝南立面的光伏电池板的单位面积发电量通常比朝南的屋顶表面(具有最佳倾斜角度)少约40%。然而，与平面相比，操纵立面几何形状可以增加这些立面的发电潜力。因此，有必要制定建筑围护结构/幕墙设计的策略，以提高它们的太阳能潜力。与此同时，还应开发用于非传统建筑围护结构的模块化光伏和混合光伏/热电板。*该研究计划的长期目标是制定混合用途太阳能社区的设计指南，将能效与有效的太阳能技术相结合。短期目标旨在通过建筑围护结构/幕墙系统的先进设计和建模，结合优化的几何形状、幕墙技术和太阳能集热器，提高多层建筑的能源性能。*本研究的方法是在幕墙系统的各种几何设计中开发结合不同层/膜和太阳能技术的建筑围护结构方案。然后将进行综合能源模拟，以分析这些配置对选定公寓和办公单元的供暖、制冷和采光的影响。最优包络配置的性能将在一些邻域模式中进行分析。这项工作可能会扩展到实验阶段，这将导致*与*行业合作伙伴*合作*生产示范项目的原型。*这项研究预计将对学术界、研究界和工业界产生重大影响。它将填补对中高层建筑的能源性能以及建筑围护结构设计对其发电潜力的影响的知识和理解方面的空白。研究结果将为创新的建筑围护结构设计以及BIPV/T技术和产品的发展提供动力和机会。该研究计划将涉及最多3名硕士研究生和2名博士生。*

Multistory buildings can accommodate increased density, however, their capacity for capturing solar radiation for electricity and heat generation is restricted. This is due to the reduced roof and facade areas relative to the total floor area that is available for active collection of solar energy. These drawbacks are further constrained by existing solar technologies, which offer only limited shapes and dimensions of solar panels, hindering therefore their application in advanced architectural design.***In multistory buildings, the trend of the potential of roofs to integrate solar technologies decreases with the height of the building, while the trend of facades potential increases, due to increased surface area. PV panels integrated in south facades usually generate about 40% less electricity per unit area than those in south-facing roof surfaces (with optimal tilt angle). However, manipulating facade geometry can increase the energy generation potential of these facades as compared to flat surfaces.There is a need therefore to develop strategies for building envelope design/curtain wall to increase their solar potential. This should be accompanied by development of modular PV and hybrid PV/thermal panels, for applications in non-conventional building envelopes.***The long-term objective of this research program is to develop  guidelines for the design of mixed-use solar communities, combining energy efficiency with effective solar technologies. The short-term objective aims at enhancing the energy performance of multistory buildings through advanced design and modelling of the building envelope/curtain wall systems, combining optimized geometries, curtain wall technologies and solar energy collectors. ***The approach to be used in this research is to develop scenarios of building envelope combining different layers/films and solar technologies within various geometrical designs of curtain wall systems. Integrated energy simulations will be then conducted to analyze the effect of these configurations on heating, cooling and daylighting of selected apartment and office units. Performance of optimal envelope configurations will be analyzed in some neighborhood patterns.The work may be extended into experimental phase, which can result in*producing prototypes for demonstration projects in collaboration with*industry partners. ***This research is expected to have a significant impact across the academic, research and industrial sectors. It will move to fill gaps in the knowledge and understanding of the energy performance of mid and high-rise buildings and the effect of building envelope designs on their energy generating potential. Results of the research will open motivation and opportunities for the development of innovative building envelope designs, and BIPV/T technologies and products.This research program will involve up to 3 Master students and 2 PhD candidates.****** **