Airtightness Estimation of Apartment Units using a Multiple Regression Analysis

Kyung-Hwan Ji; Hyun-Kook Shin; Seung-Woo Han; Hyun Cho; Jae-Hun Jo

doi:10.12972/jkiaebs.20170017

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2017 Vol.11, Issue 6 Next Page

Airtightness Estimation of Apartment Units using a Multiple Regression Analysis 다중회귀분석을 통한 국내 공동주택 단위세대의 기밀성능 예측

December 2017. pp. 465-475

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Abstract

Data on the airtightness of the envelope, which corresponds to the boundary of the overall building, is inputted beforehand into simulations for evaluating energy performance during the design stages of the building. Thus, it can be said that the determining of airtightness values is of the utmost importance especially in view of their key role in evaluating environmental and energy performance. This study proposes the most effective model among feasible models for predicting the airtightness of residential units based on a statistical analysis of empirical models directed at reinforced concrete apartment buildings constructed mainly in Korea. The variables for the statistical analysis include area variables and connection length variables, which represent the geometrical components of the envelope, where air infiltration and leakage actually occur. The correlation between the airtightness of the overall building and the variables is first analyzed to check the variables’ impact. A multiple linear regression analysis is performed for major variables selected by the impact analysis, whereby an airtightness prediction model is derived that is suitable for residential units of apartment buildings constructed with reinforced concrete.

Keywords

Airtightness

Prediction model

Multiple linear regression

Statistical analysis

Apartment building

키워드

기밀성능

예측모델

다중회귀분석

통계분석

공동주택

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Information

Publisher :Korean Institute of Architectural Sustainable Environment and Building Systems
Publisher(Ko) :한국건축친환경설비학회
Journal Title :Journal of Korean Institute of Architectural Sustainable Environment and Building Systems
Journal Title(Ko) :한국건축친환경설비학회논문집
Volume : 11
No :6
Pages :465-475
Received Date : 2017-09-08
Revised Date : 2017-12-25
Accepted Date : 2017-12-20
DOI :https://doi.org/10.12972/jkiaebs.20170017

Journal of Korean Institute of Architectural Sustainable Environment and Building Systems ISSN:1976-6483(Print) 2586-0666(Online) 한국건축친환경설비학회논문집

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