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首页> 外文会议>International Conference on Sustainable Synergies from Buildings to the Urban Scale >Nearly-Zero Energy Buildings: Cost-Optimal Analysis of Building Envelope Characteristics
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Nearly-Zero Energy Buildings: Cost-Optimal Analysis of Building Envelope Characteristics

机译：近零能量建筑：建筑包络特性的成本最优分析

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Energy consumption in the building sector continues to increase in the entire world and therefore, the determination of cost-optimal solutions towards nearly zero-energy buildings is a serious challenge. The present study is focused on the optimal thermal features of the building envelope, including thermal insulation on wall, roof and ground floor as well as the optimal window properties, in order to achieve nearly-zero energy buildings in the climate conditions of Cyprus. A systematic and robust scientific procedure was adapted in order to determine levels of energy performance leading to minimum life-cycle cost. Energy simulations of different reference test-cell buildings were performed, based on the external envelope's surface to total building volume ratio, and the cost-optimal performance levels were calculated in accordance with Regulation 244/2012/EU, taking into consideration three different climate areas of Cyprus-the cities of Limassol and Nicosia and the mountainous area of Saittas. Both the optimal thermal transmittance coefficient of the external envelope elements and the optimal window properties for each reference test-cell building were calculated. The results demonstrate that the cost-optimal energy performance levels of reference test-cell buildings in Cyprus are considerably higher than the national minimum requirements. Moreover, a linear correlation was found between the optimal (mean) thermal transmission coefficient and the study area, a result that underlines the necessity of forming three independent climate zones in Cyprus instead of one that exists today.
机译：能耗在建筑部门继续加大对整个世界，因此，成本最优的解决方案的决心朝着接近零能耗建筑是一个严重的挑战。目前的研究主要集中在建筑围护结构的最佳热功能，包括墙体，屋顶和地面保温，以及最佳的窗口属性，以达到在塞浦路斯的气候条件接近零能耗建筑。一个系统和强大的科学程序用于以确定导致最低生命周期成本的能量性能水平。不同的参考测试细胞建筑物的能量模拟进行，基于所述外部包络表面与总建筑物体积比上，并且计算成本最优性能水平根据规则二千零十二分之二百四十四/ EU，考虑到三种不同的气候区域利马索尔和尼科西亚和Saittas的山区塞浦路斯的城市。两个外部封套元件和最佳窗口属性针对每个参考测试单元建筑的最佳的热透射系数进行了计算。结果表明，在塞浦路斯的基准测试单元建筑成本最优能效水平比国家最低要求相当高。此外，线性相关性的最优（平均值）的热传递系数和研究区域，即强调在塞浦路斯形成三个独立的气候区，而不是一个目前存在的必要性的结果之间找到。

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