Prediction of thermal transmittance for lightweight wood-frame houses using hierarchical regression analysis

Hyang-In Jang, Dong-Chul Yoo, Chang-Young Park, hye-suk kang, Changho Choi
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引用次数: 3

Abstract

This study aims to establish a prediction equation for the thermal transmittance of the thermal bridges in a lightweight wood-frame house comprising composite wall materials using a statistical method. A heat transfer analysis was performed on 288 cases with different independent variables that affect the linear thermal transmittance and equivalent thermal transmittance of a wooden structure, and independent variables with a high degree of influence were selected through hierarchical regression analysis in order to establish a regression equation. The predicted values were compared with the heat transfer analysis values for verification. The results showed an average error of 5.9% and maximum error of 15.1% for the linear thermal transmittance and an average error of 0.9% and maximum error of 3.0% for the equivalent thermal transmittance, demonstrating an engineering level of reliability ( < 10%). The results of this study contribute to improving the rapidity and accuracy of assessing the energy performan...
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基于层次回归分析的轻量化木结构房屋透热率预测
本研究旨在利用统计方法建立由复合墙体材料组成的轻型木结构住宅热桥的传热率预测方程。对288例影响木结构线性传热率和等效传热率的不同自变量进行传热分析,通过层次回归分析选择影响程度较高的自变量,建立回归方程。将预测值与传热分析值进行对比验证。结果表明,线性热透射率的平均误差为5.9%,最大误差为15.1%;等效热透射率的平均误差为0.9%,最大误差为3.0%,具有工程水平的可靠性(< 10%)。本研究结果有助于提高能源绩效评估的快速性和准确性。
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期刊介绍: The International Journal of Sustainable Building Technology and Urban Development is the official publication of the Sustainable Building Research Center and serves as a resource to professionals and academics within the architecture and sustainability community. The International Journal of Sustainable Building Technology and Urban Development aims to support its academic community by disseminating studies on sustainable building technology, focusing on issues related to sustainable approaches in the construction industry to reduce waste and mass consumption, integration of advanced architectural technologies and environmentalism, sustainable building maintenance, life cycle cost (LCC), social issues, education and public policies relating to urban development and architecture .
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