Optimization Design Envelope for Building in Hot Climate Using Design of Experiment and Life Cycle Cost

Hocine Belahya, A. Boubekri, R. Belarbi, Romani Zaide
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Abstract

Nowadays sector of a building is one of the biggest energy consuming field and ranked first in many countries. The energy consumption for the building is related to the design stage. Many factors that should be taken into account for this stage, such as techno-economical parameters, directly affect the building energy consumption. Co-simulation is applied to optimize the design of residential buildings located in a hot climate to minimize life cycle costs while increasing their energy efficiency. A new approach of building performance assessment based on parametric design and analysis life cycle cost used the co-simulation method, in this study, we reduced the need for seasonal energy consumption by air conditioners and analyzed life cycle cost, 15 thermal and geometric factors are selected in this study such as Surface, Factor form, heat transfer through the walls, roof, and ground, also coefficient of absorption for solar radiation of the roof and the wall, Windows to Wall Ration and Factor Solar of Windows for four directions North, South, East, and West. The results of the metamodel from the co-simulation are compared against those obtained from a TRNSYS dynamic simulation; the fractional factorial metamodel has been accurate results. Then, the optimal design features of the envelope building are determined with life cycle cost can be saved 30.21%.
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热气候条件下建筑围护结构的实验设计与生命周期成本优化设计
目前,建筑部门是最大的能源消耗领域之一,在许多国家都排在第一位。建筑的能耗与设计阶段有关。该阶段应考虑的诸多因素,如技术经济参数等,直接影响建筑能耗。将联合仿真应用于炎热气候下住宅建筑的优化设计,以最大限度地降低生命周期成本,同时提高其能源效率。基于参数化设计和生命周期成本分析的建筑性能评价新方法,采用联合模拟的方法,减少了空调的季节性能耗需求,分析了生命周期成本,选取了15个热因素和几何因素,如表面、因子形式、通过墙壁、屋顶和地面的传热,以及屋顶和墙壁对太阳辐射的吸收系数。北、南、东、西四个方向的窗户对墙比例和因子太阳。将联合仿真的元模型结果与TRNSYS动态仿真结果进行了比较;分数阶乘元模型得到了准确的结果。确定了围护结构全寿命周期造价节约30.21%的优化设计特征。
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