Les analysis of impact of non-uniformity of building height in highly dense urban district on wind environment (part 1): Quantitative evaluation of drag force of urban district and streamwise momentum transport

Yasuyuki Ishida, Yoshinobu Endo, Akashi Mochida, Taichi Shirasawa, Ryuichiro Yoshie, Hideyuki Tanaka

研究成果: Article査読

抄録

Non-uniformity of building height has the effect of improving the quality of outdoor environment by increasing wind velocity at the pedestrian-level within a focused urban district. However, the urban district with non-uniform height causes more momentum loss of streamwise wind than an urban district with uniform height. Consequently this leads to decreased wind velocity in leeward areas of the focused area. In this study, LESs were applied to flowfields in two districts consisting of rectangular buildings with uniform and non-uniform heights, and the influence of the non-uniformity on drag force of urban district and streamwise momentum transport was quantitatively evaluated.

本文言語English
ページ(範囲)1005-1015
ページ数11
ジャーナルJournal of Environmental Engineering (Japan)
85
778
DOI
出版ステータスPublished - 2020 12

ASJC Scopus subject areas

  • 環境工学

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