A Simple Daily Cycle Temperature Boundary Condition for Ground Surfaces in CFD Predictions of Urban Wind Flows
文献类型：期刊论文
| 作者 | Xiaoxue Wang; Yuguo Li; Kai Wang; Xinyan Yang; Pak Wai Chan |
| 刊名 | JOURNAL OF APPLIED METEOROLOGY AND CLIMATOLOGY
 |
| 出版日期 | 2017 |
| 文献子类 | 期刊论文 |
| 英文摘要 | The atmospheric boundary exhibits an obvious diurnal cycle. The daily cycle of climate variation has a significant effect on urban airflow, and an understanding of it is very important for city-scale environmental control. A new and simple daily cycle temperature boundary condition for simulations of urban airflows with computational fluid dynamics (CFD) is described herein. An analytical surface temperature formula was obtained after simplifying longwave radiation and sensible heat flux terms. The formula provides a reasonably good prediction of ground surface temperatures on sunny days without adding much complexity. The accuracy of the prediction of daily surface temperature variations in homogeneous soils was evaluated with a benchmark experiment and with weather station data. The new boundary condition was implemented in the commercial CFD software Fluent for a city-scale model. The implementation demonstrates the importance of including diurnal temperature profiles and atmospheric boundary conditions in CFD simulations of urban plumes in which an ideal urban heat island circulation occurs. |
| URL标识 | 查看原文 |
| 语种 | 英语 |
| WOS记录号 | WOS:000416573500005 |
| 源URL | [http://ir.siat.ac.cn:8080/handle/172644/12486]  |
| 专题 | 深圳先进技术研究院_数字所 |
| 作者单位 | JOURNAL OF APPLIED METEOROLOGY AND CLIMATOLOGY |
| 推荐引用方式 GB/T 7714 | Xiaoxue Wang,Yuguo Li,Kai Wang,et al. A Simple Daily Cycle Temperature Boundary Condition for Ground Surfaces in CFD Predictions of Urban Wind Flows[J]. JOURNAL OF APPLIED METEOROLOGY AND CLIMATOLOGY,2017. |
| APA | Xiaoxue Wang,Yuguo Li,Kai Wang,Xinyan Yang,&Pak Wai Chan.(2017).A Simple Daily Cycle Temperature Boundary Condition for Ground Surfaces in CFD Predictions of Urban Wind Flows.JOURNAL OF APPLIED METEOROLOGY AND CLIMATOLOGY. |
| MLA | Xiaoxue Wang,et al."A Simple Daily Cycle Temperature Boundary Condition for Ground Surfaces in CFD Predictions of Urban Wind Flows".JOURNAL OF APPLIED METEOROLOGY AND CLIMATOLOGY (2017). |
入库方式： OAI收割
来源：深圳先进技术研究院
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