| Related citation: | Zhihao Hu,Huizhe Cao,Bin Zhang,Chein-Chi Chang,Biao Li.Wind and Snow Impacts on Urban Space Planning: A Multiphase Numerical Simulation[J].Journal of Harbin Institute Of Technology(New Series),2023,30(5):12-24.DOI:10.11916/j.issn.1005-9113.22036. |
|
| Author Name | Affiliation | | Zhihao Hu | School of Architecture, Harbin Institute of Technology, Harbin 150000, China
Key Laboratory of ColdRegion Urban and Rural Human Settlement Environment Science and Technology, Ministry of Industry and Information Technology, Harbin Institute of Technology, Harbin 150000, China | | Huizhe Cao | School of Architecture, Harbin Institute of Technology, Harbin 150000, China
Key Laboratory of ColdRegion Urban and Rural Human Settlement Environment Science and Technology, Ministry of Industry and Information Technology, Harbin Institute of Technology, Harbin 150000, China | | Bin Zhang | China Energy Engineering Group Shanxi Electric Power Engineering Co., Ltd., Taiyuan 030001, China | | Chein-Chi Chang | University of Maryland, Baltimore County, Maryland 21250, USA | | Biao Li | School of Energy Scienceand Engineering, Harbin Institute of Technology, Harbin 150006, China |
|
| Abstract: |
| The wind and snow environment outside the planned space plays a key role in the comfort and safety of the human habitat in severe cold regions. Traditional studies of the external environment of human settlements, however, frequently overlook the combined impacts of wind and snow environments. Furthermore, in urban meteorological studies, it is impossible to accurately assess the wind and snow environment in specific areas or locations. In this study, a refined Computational Fluid Dynamics (CFD) multiphase flow numerical method was used to simulate a planning space's wind and snow environment. The study classified the Snowstorm Weather Grade (SWG) by incorporating the Snowstorm Weather Index (SWI) to generate calculation results of the wind environment and snow environment. In particular, 150 measurement points in the planning space were chosen for analysis and evaluation of their wind and snow environments. The results demonstrated that the SWI index can effectively correlate to the wind and snow environment calculation results. In addition, the graph of SWI showed that 55% of the measurement points had a moderate wind and snow grade SWI, which exceeds the average grade for the entire region. The practical application shows that the wind and snow environment assessment indexes and technical methods developed in this paper can be successfully applied to wind and snow environment studies in other cold cities. |
| Key words: urban planning planning space cold region wind and snow environment numerical simulation of multiple flows |
| DOI：10.11916/j.issn.1005-9113.22036 |
| Clc Number:TU241.8 |
| Fund: |
|
| Descriptions in Chinese: |
| 城市规划空间中的风雪影响：多相流数值模拟
胡志浩1,2,曹慧哲1,2,张斌3,张建祺4,李彪5
（1. 建筑学院, 哈尔滨工业大学, 哈尔滨 150000；
2. 寒地城乡人居环境科学与技术工业和信息化部重点实验室，哈尔滨工业大学, 哈尔滨 150000；
3. 中国能源建设集团山西省电力勘测设计院有限公司, 太原 030001；
4. 马里兰大学，摩县，马里兰州巴尔21250美国；
5. 能源科学与工程学院, 哈尔滨工业大学, 哈尔滨 150006）
摘要：
城市规划空间外的风雪环境对严寒地区人居环境的舒适性和安全性起着关键作用。然而，对人类住区外部环境的传统研究往往忽视了风和雪环境的综合影响。此外，在城市气象研究中，无法准确评估特定地区或地点的风雪环境。在本文研究中，采用先进的计算流体动力学（CFD）多相流数值方法来模拟规划区域的风雪环境。进一步通过结合暴风雪天气指数（SWI）对暴风雪天气等级（SWG）进行分类，以生成风环境和雪环境的计算结果。亮点是，在规划空间中选择了150个测量点，用于分析和评估其风和雪环境。结果表明，SWI指数可以有效地与风雪环境计算结果相关联。此外，SWI图表显示，55%的测量点具有中等的风和雪等级SWI，这超过了整个地区的平均等级。
实际应用：本文提出的风雪环境评价指标和技术方法可成功应用于其他严寒城市的风雪研究。
关键词：城市规划，规划空间，严寒地区，风雪环境，多相流数值模拟 |
