抄録
The thermal environment in a cavity space between two buildings, called an urban canyon, should be analyzed as a unit of urban thermal environment. The field observation about thermal environment was carried out in the residential site which consists of 5 storied apartment buildings. Global solar radiation and wind speed were measured above the roof of the windward buildings as the reference data. Air temperature, globe temperature and wind speed were measured at 4 points in an urban canyon. The reference wind speed and the wind speed in the urban canyon are simulated by wind tunnel tests using a similar model scaled 1/300. The solar heat grain on the wall and on the ground surface in the urban canyon are calculated from the reference global solar radiation data, considering mutual reflection in the urban canyon. Globe temperature in the urban canyon are calculated from the estimated data mentioned above. These calculated values are corresponding with the measured ones.