2012 Fiscal Year Final Research Report
The effect of local cooling and air quality by task/ambient conditioningsystem on productivity
| Project/Area Number |
23860053
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| Research Category |
Grant-in-Aid for Research Activity Start-up
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| Allocation Type | Single-year Grants |
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| Research Field |
Architectural environment/equipment
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| Research Institution | University of the Sacred Heart (2012)
Waseda University (2011) |
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Principal Investigator |
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| Project Period (FY) |
2011 – 2012
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| Keywords | 建築環境・設備 / 知的生産性 / 室内環境質 / 脳内酸素代謝 |
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| Research Abstract |
The task/ambient conditioning air conditioning systems attract attention in recent years from the aspect of energy conservation. In this study, the effects of respirable air quality or local cooling on workers’ productivity were studied. We used infrared spectroscopy to measure cerebral blood flow in an effort to evaluate the mental workload. It was confirmed that the mental workload level to maintain task performance was increased in the hotter environment than in the thermally neutral condition. Theanalyses indicate that local cooling of the task fan had better impact on mental workload than simply controlling thermal sensation via room temperature. The cerebral blood flow was not able to detect the small differences of air quality that was normally experienced in daily life.
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