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A resistance-capacitance network model for the analysis of the interactions between the energy performance of buildings and the urban climate

机译：电阻-电容网络模型，用于分析建筑物的能源性能与城市气候之间的相互作用

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摘要

This paper presents an urban canopy and building energy model based on a thermal network of constant resistances and capacitances. The RC model represents the fundamental physical relations that govern the energy interactions between buildings and their urban environment, retaining the sensitivity to the design parameters typically used in building energy and urban climate studies. The benefits of the RC model are its simplicity and computational efficiency. It allows for better understanding the physics of the problem and makes it possible to easily evaluate modelling hypotheses and the sensitivity of different parameters. In this study, the RC model is evaluated against advanced simulation tools that are well accepted and evaluated within their individual scientific communities. The model is then used in a series of parametric analyses to investigate the impact of the Urban Heat Island effect on the energy consumption of buildings in configurations that are parameterized in terms of internal heat gains, construction, geometry, glazing ratio, and infiltration level. The RC model is also used to investigate the dominant mechanisms by which the indoor environment affects outdoor air temperatures. Parameters such as indoor air temperatures, exfiltration heat, and waste heat from HVAC systems are analysed. The conclusions obtained by this study can be applied to a wide range of urban configurations.
机译：本文提出了基于恒定电阻和电容的热网络的城市雨棚和建筑能量模型。 RC模型代表控制建筑物与城市环境之间的能量相互作用的基本物理关系，并保持了对通常用于建筑物能源和城市气候研究的设计参数的敏感性。 RC模型的好处在于其简单性和计算效率。它可以更好地理解问题的物理原理，并可以轻松评估建模假设和不同参数的敏感性。在这项研究中，使用先进的仿真工具对RC模型进行了评估，这些仿真工具在其各自的科学团体中被广泛接受和评估。然后，将该模型用于一系列参数分析中，以根据内部热量获取，建筑，几何形状，玻璃比例和渗透水平进行参数化的配置，研究城市热岛效应对建筑物能耗的影响。 RC模型还用于研究室内环境影响室外空气温度的主要机制。分析了诸如室内空气温度，渗透热和HVAC系统产生的废热之类的参数。通过这项研究得出的结论可以应用于各种城市布局。

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