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CLC number: TU023

On-line Access: 2017-09-04

Received: 2016-04-15

Revision Accepted: 2016-11-09

Crosschecked: 2017-08-15

Cited: 0

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Citations:  Bibtex RefMan EndNote GB/T7714


Xiao-qing Zhu


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Journal of Zhejiang University SCIENCE A 2017 Vol.18 No.9 P.741-756


Wind suitability in site analysis of coastal concave terrains using computational fluid dynamics simulation: a case study in East Asia

Author(s):  Xiao-qing Zhu, Jian-tao Weng, Yi-qun Wu, Wei-jun Gao, Zhu Wang

Affiliation(s):  Urban Planning and Habitation Construction Research Center, Zhejiang University of Technology, Hangzhou 310014, China; more

Corresponding email(s):   arc_zxq@163.com

Key Words:  Wind suitability, Residential building, Computational fluid dynamics (CFD), Coastal concave terrains, East Asia

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Xiao-qing Zhu, Jian-tao Weng, Yi-qun Wu, Wei-jun Gao, Zhu Wang. Wind suitability in site analysis of coastal concave terrains using computational fluid dynamics simulation: a case study in East Asia[J]. Journal of Zhejiang University Science A, 2017, 18(9): 741-756.

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author="Xiao-qing Zhu, Jian-tao Weng, Yi-qun Wu, Wei-jun Gao, Zhu Wang",
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publisher="Zhejiang University Press & Springer",

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%T Wind suitability in site analysis of coastal concave terrains using computational fluid dynamics simulation: a case study in East Asia
%A Xiao-qing Zhu
%A Jian-tao Weng
%A Yi-qun Wu
%A Wei-jun Gao
%A Zhu Wang
%J Journal of Zhejiang University SCIENCE A
%V 18
%N 9
%P 741-756
%@ 1673-565X
%D 2017
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.A1600313

T1 - Wind suitability in site analysis of coastal concave terrains using computational fluid dynamics simulation: a case study in East Asia
A1 - Xiao-qing Zhu
A1 - Jian-tao Weng
A1 - Yi-qun Wu
A1 - Wei-jun Gao
A1 - Zhu Wang
J0 - Journal of Zhejiang University Science A
VL - 18
IS - 9
SP - 741
EP - 756
%@ 1673-565X
Y1 - 2017
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.A1600313

The effect of wind environment is becoming increasingly important in analyzing and selecting sites for better natural ventilation of residential buildings, external comfort, and pollution dispersion. The main purpose of this study was to develop a set of methods for wind environment assessment in coastal concave terrains. This set of methods can be used to provide quantifiable indicators of preferable wind conditions and help site analysis. Firstly, a total of 20 types of coastal bays with concave terrains in east Asia were characterized to find ideal locations. The selected areas were divided into five categories according to the main terrain features. Then a sample database for the concave terrains was compiled for modelling comparisons. Secondly, a number of key wind variables were identified. computational fluid dynamics (CFD) models of the typical coastal concave terrains identified as a result of the study were created, and the local wind environments were simulated with input from geographic information system (GIS) and statistic package for social science (SPSS) analysis. A measure of wind suitability was proposed that takes wind velocity and wind direction into account using GIS. Finally, SPSS was used to find the relationship between wind suitability and key terrain factors. The results showed that wind suitability was significantly associated with terrain factors, especially altitude. The results suggest that residential building sites should be selected such that their bay openings face the direction of the prevailing wind and that the opposite direction should be avoided.

The topic of the paper is of great interest for wind studies, because wind over topography is very difficult to predict, both via numerical and experimental models.


创新点:1. 建立东亚沿海典型岙型地形的分类数据库;2. 提出基于选址分析的风适宜度模型;3. 建立风适宜度与地形因子之间的回归模型。
方法:1. 通过CFD模拟的方法,计算典型工况下20种岙型地形的风场(图5);2. 通过理论分析和数理耦合的方法,构建风适宜度模型(公式(4));3. 通过Logistic回归方法,分析风适宜度与地形因子的相关性。
结论:1. 风适宜度直接受地形特征影响,开口面向来风向的岙型地形中风适宜度平均值最高,选址过程中应避开开口背向来风向的岙型地形;2. 通过多元回归分析得出风适宜度和地形因子的相关性显著,其中海拔是决定风适宜度的主要地形因子。


Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article


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