寒冷气候下能源影响设计参数的不变性——基于能源、经济和建筑特征的元水平敏感性分析

IF 2.1 Q2 CONSTRUCTION & BUILDING TECHNOLOGY
R. O. Panizza, M. Nik-Bakht
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引用次数: 0

摘要

建筑性能模拟(BPS)应用于设计的早期阶段,有可能帮助设计参数的决策,显著影响建筑的生命周期。由于在这样的早期阶段,许多设计变量仍然未确定(例如窗户类型,绝缘等),通过BPS模拟的场景将是巨大的,并且需要大量的时间和计算能力。之前的研究已经测试了建筑运行过程中能耗对设计参数的敏感性。然而,这些研究大多在分析中使用了单个案例研究。因此,本文的目的是评估这种敏感性分析结果的依赖性,对正在使用的案例研究。为了实现这一目标,采用了一次一个参数(OAT)和全局采样相结合的混合方法。在加拿大quamesbec的寒冷气候范围内,我们使用了多个建筑来研究能源和经济性能对设计参数(建筑、电气和机械系统)的敏感性;以及参数对建筑模型影响的敏感性。结果表明,建筑参数和电气参数对模型非常敏感。为了扩大对这种敏感行为的根本原因的理解,通过全球抽样制定和评估了假设。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
On the invariance of energy influential design parameters in a cold climate – a meta-level sensitivity analysis based on the energy, economy, and building characteristics
ABSTRACT Building performance simulation (BPS) applied at earlier stages of design has the potential to assist design parameter decisions that significantly impact a building’s life cycle. Since at such early stages, numerous design variables are still undetermined (e.g. window type, insulations, etc.) the scenarios to be simulated through BPS will be vast and will require extensive time and computational power. Previous studies have tested the sensitivity of a building’s energy consumption during its operation, to design parameters. Most of those studies, however, have used a single case study in their analysis. Thus, the objective of this paper is to evaluate the dependency of results of such sensitivity analyses, on the case study being used. To accomplish that, a hybrid method combining one-parameter-at-a-time (OAT) and global samplings was used. Within the cold climate scope of Québec, Canada, multiple buildings were used to investigate the sensitivity of energy and economy performance to design parameters (architectural, electrical, and mechanical systems); as well as the sensitivity of parameters’ impact on building models. Results indicate that architectural and electrical parameters are sensitive to the model. To expand on the understanding of the root cause of this sensitive behaviour, hypotheses were developed and evaluated through global sampling.
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来源期刊
Advances in Building Energy Research
Advances in Building Energy Research CONSTRUCTION & BUILDING TECHNOLOGY-
CiteScore
4.80
自引率
5.00%
发文量
11
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