著者

羽田 正沖 西原 直枝 田辺 新一

出版者

日本建築学会

雑誌

日本建築学会環境系論文集 (ISSN:13480685)

巻号頁・発行日

vol.74, no.638, pp.507-515, 2009-04-30 (Released:2009-11-24)

参考文献数

41

被引用文献数

5 10

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To investigate the effect of thermal environment and the ventilation rate on productivity, a subjective experiment was conducted. The conditions were the combination of thermal environment: operative temperature of 25.5°C and 28.5°C; and the ventilation rate: 11m3/(h•p) and 90m3/(h•p). Eleven subjects participated in a 350min exposure and worked on three-digit multiplication tasks for 180min. The percentage of dissatisfied with air quality was higher in the higher temperatures and in the lower ventilation rates. The performance of the task was not significantly different among the conditions. The increase of the level of fatigue was more in the higher temperature condition. Correlation between the percentage of dissatisfied derived from perceived air quality and the fatigue level was obtained. The relationships of the task performance and the satisfaction vote of the indoor environment and the level of fatigue were obtained.

著者

羽田 正沖 西原 直枝 中村 駿介 内田 智志 田辺 新一

出版者

日本建築学会

雑誌

日本建築学会環境系論文集 (ISSN:13480685)

巻号頁・発行日

vol.74, no.637, pp.389-396, 2009-03-30 (Released:2009-11-24)

参考文献数

39

被引用文献数

8 16

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A field measurement was conducted to investigate the thermal environment of an office with preset temperature of 28°C in summer. A questionnaire survey on the workers was also conducted during the measurement to evaluate the effect of the thermal environment on productivity. The air temperature tended to be higher in the area with high density of heat sources. The air temperature could reach over 30°C at the time when the air-conditioning system started its operation in the mornings. Fluctuation of the supply air temperature was observed after the room temperature reached to the setting. To elevate the preset temperature in the existing buildings, systematic and operational adjustments of HVAC systems may be necessary for proper thermal environmental control. From the questionnaire, over 70% of the workers were thermally dissatisfied in July and August. The correlations were obtained that when the workers are thermally satisfied, the self-estimated performance is higher and the level of fatigue is lower.

著者

羽田 正沖 西原 直枝 田辺 新一

出版者

一般社団法人日本建築学会

雑誌

学術講演梗概集. D-2, 環境工学II, 熱, 湿気, 温熱感, 自然エネルギー, 気流・換気・排煙, 数値流体, 空気清浄, 暖冷房・空調, 熱源設備, 設備応用 (ISSN:1341450X)

巻号頁・発行日

vol.2006, pp.455-458, 2006-07-31

被引用文献数

2