D-14 既存集合住宅の改修による温熱・空気環境の改善効果に関する研究 : (その2) 多寝室型住戸における実測調査

概要

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This paper investigates the thermal comfort and ventilation performance of retrofitted apartment houses. Effect of retrofitting windows was studied regarding thermal comfort and ventilation performance through measurement before and after retrofitting apartment houses built in some 40 years ago. Overall air tightness was improved to about 30% of Effective Leakage Area before retrofit in some apartment houses. Vertical temperature difference near the top of flooring in heated situation was also reduced comparing to the apartment houses before retrofit, mainly due to decrease of infiltration of windows. It was confirmed that mechanical ventilation equipment is essential in keeping required ventilation rate in buildings with improved performance of air tightness.
社団法人空気調和・衛生工学会の論文
2008-08-08