| Project/Area Number |
08555145
|
|---|
| Research Category |
Grant-in-Aid for Scientific Research (A)
|
| Allocation Type | Single-year Grants |
|---|
| Section | 展開研究 |
|---|
| Research Field |
Architectural environment/equipment
|
|---|
| Research Institution | Niigata University |
|---|
Principal Investigator |
AKABAYASHI Shin-ich Niigata University, Graduate school of science and technology, Associate Professor, 自然科学研究科, 助教授 (70192458)
|
|---|
| Co-Investigator(Kenkyū-buntansha) |
SUYAMA Yoshimi HAZAMA Co.Itd., a section chief., 技術研究所, 課長
NIMIYA Hideyo Nagaoka institute of design, Associate professor, 造形学部, 助教授 (50278058)
MOCHIDA Akashi Niigata institute of technology, Associate professor, 工学部, 助教授 (00183658)
|
|---|
| Project Period (FY) |
1996 – 1997
|
| Project Status |
Completed (Fiscal Year 1997)
|
| Budget Amount *help |
¥2,300,000 (Direct Cost: ¥2,300,000)
Fiscal Year 1997: ¥2,300,000 (Direct Cost: ¥2,300,000)
|
|---|
| Keywords | The Sea of Japan side / Wind flow around buildings / Wind environmental assessment / Field measurement investigation / Questionnaire survey / Numerical simulation / 風環境 / 風洞実験 |
|---|
| Research Abstract |
This research is described by proposal new criteria for the wind environment. A technique of the research does actual measurement investigation and questionnaire survey and a wind tunnl experiment for wind environment assessment in Niigata City.
It is difficult to using usual criteria for the Pacific side on the Sea of Japan side, because is compared with the Pacific side, the frequency that a strong wind blows on the Sea of Japan side by the influence of the seasonal wind of winter. Wind speed is-speeding up the current in the street which in between two residences and in exfoliation current in the roof. This is obvious fact for the field measurement, wind tunnel experiment and the numerical analysis.
By the questionnaire survey for inhabitant, when they are difficult to put up an umbrella, they feel the strong wind. And when they have difficulty in walking, it gives the wind an unpleasant feeling. The permissible range of the new criteria for the wind environment is lager than in Tokyo.
Allowable days against the day maximum moment wind 10m/s, 15m/s, the strong wind beyond 20m/s are 102day 21day 4days respectively in a residential zone.
It was adapted to the applicable residential zones, when it set up windbreak before a wind environment is a rank 3 arca, and when it is set up the windbreak after, the environment was evaluated declined to rank 2 or rank 1. Thus it is clearly that the criteria of wind environment is suitable.
|
