Due to the increase of urbanization and the development of economies, the buildings in the city are required to be built higher than ever for sake of the efficient use of land. Besides causing wind speed acceleration around the ground, the new high-rising buildings would also cause urban heat island effect and further affect the pedestrians’ activities and safety. For example, during winter, the temperature is low and the increase acceleration of wind speed around the ground would cause pedestrians to feel uncomfortable. On the other hand, during summer, the high temperature and unventilated air will cause heat being held between buildings; under severe circumstances, pedestrians might even suffer from heat stroke.
This study was conducted through the simulation of wind tunnel. The data needed in order to understand the comfortableness of wind and heat to human was done by a questionnaire survey, putting the subjects into the simulation wind tunnel and then have them answer a questionnaire afterwards. Later, The study compared the data with previous studies, and acknowledged how temperature will effect the comfort level people feel towards a breeze. Then The study inferred the assessment for pedestrian wind environment during summer. At last, through the simulation by computational fluid dynamics with the neighborhood of community as background, along with the references from previous research studies and the Central Weather Bureau, The study verified my concept of inference on the “assessment for pedestrian wind environment” during summer by summing up the data.
However, The study isn’t objective enough because of the limitations of the wind tunnel and the expectancy effect on the survey; therefore, The study refer to field studies of previous researchers for a standard of judgment for errors. By matching similar conditions in data from previous researches, The study reached another conclusion for the assessment for “pedestrian wind environment” during summer, which is slightly more conservative than those from previous researchers.