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Title: ベランダフェンス設置型ルーバーのスラット条件が学校教室の熱負荷、室内照度に与える影響に関する研究
Other Titles: Study on Effectiveness of the External Louver Set Outside of Veranda Fence onto Heat Load and Illuminance in Classroom
Authors: 樋口, 作夫1 Browse this author
羽山, 広文2 Browse this author →KAKEN DB
絵内, 正道3 Browse this author →KAKEN DB
Authors(alt): Higuchi, Sakuo1
Hayama, Hirofumi2
Enai, Masamichi3
Keywords: Solar altitude
Light guide
Heat load
Issue Date: Apr-2010
Publisher: 日本建築学会
Journal Title: 日本建築学会環境系論文集
Journal Title(alt): Journal of Environmental Engineering (Transactions of AIJ)
Volume: 75
Issue: 650
Start Page: 331
End Page: 337
Publisher DOI: 10.3130/aije.75.331
Abstract: To use daylight for energy saving and reduction of CO2 emission, it is effective to use the altitude change of the sun for each season and time. This paper shows the proper condition and the effectiveness of a light guide louver set outside of a veranda fence. The effectiveness of the heat load and the indoor illuminance of a school classroom was evaluated in case when the condition of the slat angle and reflectance ratio is changed. From the result of numerical simulation, the effectiveness of the fence louver is shown as follows. 1) It is effective to place a fence louver although the improvement effect is minimal and there is a regional difference in the effectiveness. 2) It is suitable to tilt the slat angle 5-10 degrees downward to outdoor-side. In this condition, the louver leads the daylight into the room in the morning and evening of the winter season, and blocks the sunlight in summer. 3) The annual heat load decreases 2-5% when the louver that has 80% reflectance is set. 4) The hour less than 200lx of the indoor illuminance decreases 3-7 hours per month when the reflectance ratio is 80%.
Rights: 日本建築学会
Type: article
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 羽山 広文

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