Journal
ENERGY AND BUILDINGS
Volume 241, Issue -, Pages -Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.enbuild.2021.110954
Keywords
Building design; Energy efficiency; LCEA; Operational energy; Optimization methodology; Parametric analysis; Simulation; Structural design; Thermal insulation; Thermal mass; Thermal performance
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The methodology allows for optimizing the dimensions of a building's structural components at the initial design stage to minimize energy consumption. Results from a case study show that structural components with higher thermal mass can reduce operational energy consumption by up to 3%, and adding insulation significantly reduces operational energy consumption.
A methodology is developed that allows an optimization of the dimensions of a building's structural components at the initial design stage, aimed to minimize operational and embodied energy consumption. The methodology includes a parametric, iterative and interactive process of incremental alterations in structural design and thermal performance in search for an optimal solution. The results of the application of the methodology in a case study indicate that structural components with a higher thermal mass can reduce operational energy consumption by up to 3%. The addition of insulation results in a significant reduction in operational energy consumption, while reducing the relative impact of non-insulated thermal mass in the building envelope. (c) 2021 Elsevier B.V. All rights reserved.
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