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A NUMERICAL STUDY OF DISPERSION OF PASSIVE SCALARS IN CITY CANYONS

被引：33
作者：
JOHNSON, GT
HUNTER, LJ
机构：
[1] School of Methematics, Physics, Computing and Electronics Macquarie University, Sydney
来源：
BOUNDARY-LAYER METEOROLOGY | 1995年 / 75卷 / 03期
关键词：
D O I：
10.1007/BF00712696
中图分类号：
P4 [大气科学（气象学）];
学科分类号：
0706 ; 070601 ;
摘要：
A numerical model which simulates the dispersion of passive scalars within an urban canyon is proposed and some initial verification of the model undertaken. It is then used to investigate three-dimensional characteristics of the concentration field established for flow perpendicular to canyons with emissions released near the floor of the canyon by motor vehicles. In particular, the influence of canyon geometry on the concentration field is studied and some general observations made concerning the location of maximum concentrations.
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页码：235 / 262
页数：28
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