scholarly journals DEVELOPMENT OF CFD METHOD FOR PREDICTING WIND ENVIRONMENT AROUND A HIGH-RISE BUILDING : Part 1 : The cross comparison of CFD results using various k-ε models

2001 ◽  
Vol 7 (12) ◽  
pp. 119-124 ◽  
Author(s):  
◽  
Air Environment Sub-committee ◽  
AIJ Environment Engineering Committee
2016 ◽  
Vol 26 (3) ◽  
pp. 392-408 ◽  
Author(s):  
Feng Yang

Urban wind environment could have an impact on pedestrian’s comfort and safety, as well as pollution dispersion and building energy consumption. For cities in the hot-summer and cold-winter climate zone of China, a proper design residential neighbourhoods is important to facilitate urban ventilation in hot and transient seasons and to protect users from strong winds in cold season. This paper reports the results of field measurements and a questionnaire survey in a large residential development with three different types of housings. Micrometeorology measurement was carried out at the pedestrian height level as well as at a rooftop reference station. Pedestrians’ subjective perception on wind and thermal comfort was recorded through a guided interview and questionnaire survey during the measurement. The measured wind velocity ratio is highest in the long-linear high-rise building layout, and is the lowest in the mid-rise linear building layout. Eight-seven per cent of respondents felt fairly comfortable living in the long-linear high-rise building layout, only 7% less than the mid-rise building layout. For similar housing forms in Shanghai, the wintertime wind shelter may not be critical compared with summertime ventilation requirement, and that the site planning and housing design should focus mainly on summertime wind channelling.


Energies ◽  
2015 ◽  
Vol 8 (10) ◽  
pp. 10942-10957 ◽  
Author(s):  
Chien-Yuan Kuo ◽  
Chun-Ta Tzeng ◽  
Ming-Chin Ho ◽  
Chi-Ming Lai

2012 ◽  
Vol 174-177 ◽  
pp. 3106-3110
Author(s):  
Zhen Yu Xie ◽  
Nan Zheng ◽  
Chen Hua Wang

The high-rise buildings are far away from the earth’s surface. The design of air yards has a great influence on creating natural, humanized buildings and enhancing the interior space. However, it goes against the goal of ecological energy-saving that the space of high-rise building is relatively closed and its environment is always simulated. By analyzing air yard’s layout in high-rises, this document compares the climate conditions and the quality of internal environment at different locations. This document also compares the influence that various compositions of more than one air courtyards could have on high-rise building’s light and wind environment. At last, the document try to put forward principles and strategies to arrange the air yards in a high-rise building ecologically in different climate.


2004 ◽  
Vol 3 (1) ◽  
pp. 63-70 ◽  
Author(s):  
Yoshihide Tominaga ◽  
Akashi Mochida ◽  
Taichi Shirasawa ◽  
Ryuichiro Yoshie ◽  
Hiroto Kataoka ◽  
...  

2012 ◽  
Vol 193-194 ◽  
pp. 1284-1289 ◽  
Author(s):  
Lei Yuan ◽  
Li Li Shao ◽  
Xue Song Xu

Using Airpak as CFD tool, the study simulates and analyses how the openings and thermal characteristics of the clad façade work on the distribution of temperature and ventilation in the atrium of a high-rise building in Shenzhen. The result shows that, with the atrium roof open to the air, openings on the lower part of the clad façade can significantly improve air ventilation and reduce the temperature in the atrium in summer. It is also found that clad glazing of large U-value and large SHGC helps to release the residual heat in the atrium, which make laminated glass made of clear float glass smart choice for the clad glazing of the building.


2002 ◽  
Vol 5 (2_3_4) ◽  
pp. 227-244 ◽  
Author(s):  
A. Mochida ◽  
Y. Tominaga ◽  
S. Murakami ◽  
R. Yoshie ◽  
T. Ishihara ◽  
...  

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