| Project/Area Number |
60850110
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| Research Category |
Grant-in-Aid for Developmental Scientific Research
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| Allocation Type | Single-year Grants |
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| Research Field |
建築環境・環境工学
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| Research Institution | Faculty of Engineering, Kyushu University (1987)
Nagoya Institute of Technology (1985-1986) |
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Principal Investigator |
NAKAMURA Hiroshi Kyushu University, Professor, 工学部, 教授 (10024209)
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| Co-Investigator(Kenkyū-buntansha) |
OKI Masato Meijo University, Associate professor, 理工学部, 助教授 (40076550)
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| Project Period (FY) |
1985 – 1987
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| Project Status |
Completed (Fiscal Year 1987)
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| Budget Amount *help |
¥4,900,000 (Direct Cost: ¥4,900,000)
Fiscal Year 1987: ¥1,500,000 (Direct Cost: ¥1,500,000)
Fiscal Year 1986: ¥1,200,000 (Direct Cost: ¥1,200,000)
Fiscal Year 1985: ¥2,200,000 (Direct Cost: ¥2,200,000)
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| Keywords | Visual environment / Evaluation of visual environment / Six-photo-elements illuminance meter / Horizontal illuminance / ベクトル照度 / 平均円筒照度 / モデリング / 視環境の評価 / 鉛直面照度 / 光環境 / 視環境の評価基準 / 水平面照度 / シルエット現象 / 窓際のモデリング |
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| Research Abstract |
After many research papers of evaluation methods and measuring instruments for visual environment have been gathered and investigated. several factors for integrated evaluation system of a visual environment have been selected; i.e. horizontal illuminace, vertical illuminance, scalar illuminance, vector illuminance, mean cylindrical illuminance, vector/ scalar ratio etc. Generally, those factors have been measured individually for the lack of suitable integrated measuring instrument and the measured data have not been used all together but some combinations. Therefore the authors considered to be essential to develope an integrated measuring instruments for the above mentioned factors and also an integrated evaluation system of a visual environment. A portable six-photo-elements illuminance meter has been designed and trially made and proved to be excellent for the usual measurement of all most of above mentioned factors in the same instant. All measuring data are automaticlally stored in the hand-held-computer assembled to the meter. Several factors such as vector/scalar ratio can be easily calculated by the assembled computer. Using the portable six-photo-elements illuminance meter, the authors carried out contineous in long duratuion measuremnts or only once measuremnts of several visual environment factors at a typical office room and all the data were stored in the mini-floppy discs. The results of the measurements have been investigated and the visual environment of the office room has been evaluated. The fruits of this research work, especially, the portable six-photo-elements illuminance meter convince the authors of usefulness for the practical evaluation of visual environment.
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