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Urban building energy modeling considering the heterogeneity of HVAC system stock: A case study on Japanese office building stock

机译：考虑HVAC系统异质性的城市建筑能源建模 - 以日本办公楼股票为例

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摘要

Urban building energy model (UBEM) is an important tool in coping with energy issues of building sector. This paper focuses on an issue that the stock of heating, ventilation, and air-conditioning (HVAC) systems has been oversimplified in UBEM without considering its heterogeneity. It has been observed that this oversimplification may incur a significant error in the result. To address this issue, this paper proposes a framework that integrates a logistic regression based HVAC system stock modeling method and the bottom-up type engineering modeling method using building archetypes considering HVAC system configurations. A case study with Japanese office building stock revealed that (1) the disregard of the heterogeneity resulted in an error of 15% in the annual primary energy consumption, (2) the historical change in the HVAC system stock could decrease the consumption up to 5%, and (3) its composition has a significant influence on the energy saving due to energy efficiency increase in heat source machines used in HVAC systems. The presented method would contribute not only to improving the reliability of UBEM but also to providing an analytical capability of considering energy efficiency technologies related to HVAC systems along with the alternation of technology selection in the building stock. (C) 2019 Elsevier B.V. All rights reserved.
机译：城市建筑能源模型（UBEM）是应对建筑业能源问题的重要工具。本文重点介绍了加热，通风和空调（HVAC）系统在ubem中过于简单化的问题，而不考虑其异质性。已经观察到这种过度简化可能会产生重大错误。为了解决此问题，本文提出了一个框架，它集成了基于Logistic回归的HVAC系统股模拟方法以及考虑HVAC系统配置的构建原型的自下而上类型工程建模方法。与日本办公楼股票的案例研究表明，（1）忽视异质性导致年度一次性能耗中15％的误差，（2）HVAC系统股票的历史变化可能会降低消费最多5 ％，（3）其组成对HVAC系统中使用的热源机器的能效增加导致的节能产生了显着影响。该方法不仅有助于提高ubem的可靠性，还提供了考虑与HVAC系统相关的能效技术以及建筑物股票中的技术选择的交替的分析能力。 （c）2019 Elsevier B.v.保留所有权利。

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