D-2 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

概要

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Synopsis Deterioration of existing multiple dwelling houses is progressing in Japan. It is important to perform suitable repairing and to take over these houses to the next generation. In this study, thermal and air environment in these buildings before and after repairing were measured, and the repair effectiveness was examined. Consequently, following results were obtained. Although aluminum fittings have comparatively high air-tightness also before repair, the air-tightness of steel fittings is low and these measurements are uneven. The air-tightness of a building can improve by repairing fittings, and the regular air ventilation rate which is not influenced by the external wind can be obtained by installing mechanical-ventilation equipments. The reduction of the heat loss coefficient was verified about 30% by improving heat insulation.
社団法人空気調和・衛生工学会の論文
2007-08-24