Journal of Guangdong University of Technology ›› 2023, Vol. 40 ›› Issue (03): 113-121.doi: 10.12052/gdutxb.210159

Previous Articles     Next Articles

A Simulation Research on Effects of Tree Three-dimensional Spatial Characteristics on Traffic-source PM2.5 Distribution in Hot-humid Urban Streets

Liu Lin, Zhu Yu-shuang, Liu Li-ru, Jin Lei   

  1. School of Civil Transportation & Engineering, Guangdong University of Technology, Guangzhou 510006, China
  • Received:2021-10-28 Online:2023-05-25 Published:2023-06-08

HTML

PDF (PC)

950

Abstract: With the substantial increase of traffic flow in high-density cities, particulate matter pollution has been a serious problem in urban blocks. As an important composition of urban landscape, its plant morphological parameters have an important impact on air quality of street. Taking a block in Guangzhou as the research subject while using field monitoring data, the accuracy of ENVI-met software in dealing with block scale PM2.5 simulation characteristics is verified. Then, the combination of various morphological parameters of plants on both sides of the street in the case area is modeled and numerically simulated. The result of ENVI-met shows that the model is suitable for simulating the traffic source PM2.5 of high-density urban blocks. The simulation results of several groups of plant morphology show that the height of street trees is recommended to be about 10 m, which can effectively reduce the PM2.5 of traffic source concentration. In combination with relevant specifications, it is recommended to set the trunk height as 3~5 m and the crown width as 5~7 m.

Key words: plant morphology, the pedestrian area, traffic emission, PM2.5, numerical simulation

CLC Number: 

  • X171
[1] 李云燕, 葛畅. 我国三大区域PM2.5源解析研究进展[J]. 现代化工, 2017, 37(4): 1-7.
LI Y Y, GE C. Research progress of PM2.5 source analysis in three main regions of China [J]. Modern Chemical Industry, 2017, 37(4): 1-7.
[2] 刘博薇. 道路空气颗粒物污染与骑行流的相关性研究[J]. 环境保护与循环经济, 2021, 41(7) : 57-60.
[3] 索丹凤, 曾三武. 空气细颗粒物PM2.5对人体各系统危害的研究[J]. 医学信息, 2019, 32(18): 32-34.
SUO D F, ZENG S W. Research on the harm of air fine particulate matter PM2.5 to various human system [J]. Medical Information, 2019, 32(18): 32-34.
[4] 梁廷政, 柳靖, 牛旸旸. 空气温度差异对城市街道峡谷通风及污染物分布特征影响的研究[J]. 建筑科学, 2019, 35(2): 108-115.
LIANG T Z, LIU J, NIU Y Y. Investigation on the influence of spatial temperature on ventilation and pollutants distribution in street canyon [J]. Building Science, 2019, 35(2): 108-115.
[5] CHEN X P, WANG X S, WU X G, et al. Influence of roadside vegetation barriers on air quality inside urban street canyons[J]. Urban Forestry & Urban Greening, 2021, 63: 1-10.
[6] DENG S, MA J, ZHANG L, et al. Microclimate simulation and model optimization of the effect of roadway green space on atmospheric particulate matter[J]. Environmental Pollution, 2019, 246: 932-944.
[7] 郭晓华, 戴菲, 殷利华. 基于ENVI-met的道路绿带规划设计对PM2.5消减作用的模拟研究[J]. 风景园林, 2018, 25(12): 75-80.
GUO X H, DAI F, YIN L H. A simulation study on the effect of ENVI-met-based road greenbelt planning and design on PM2.5 reduction [J]. Landscape Architecture, 2018, 25(12): 75-80.
[8] 闫倩, 徐立帅, 段永红, 等. 20种常用绿化树种叶面滞尘能力及滞尘粒度特征[J]. 生态学杂志, 2021, 40(10) : 3259-3267.
YAN Q, XU L S, DUAN Y H, et al. Dust retention capacity and dust particle size of 20 commonly used greening tree species. Chinese Journal of Ecology, 2021, 40(10) : 3259-3267.
[9] 吴翠蓉, 江波, 张露, 等. 杭州8种绿化树种滞纳TSP和PM1、PM2.5、PM10的效应研究[J]. 浙江林业科技, 2020, 40(5): 13-20.
WU C R, JIANG B, ZHANG L, et al. Study on adsorption of TSP, PM1, PM2.5 and PM10 by 8 greening tree species in Hangzhou [J]. Research of Environmental Sciences, 2020, 40(5): 13-20.
[10] 彭康. 珠江三角洲地区铺装道路扬尘源污染物及特征研究[D]. 广州: 华南理工大学, 2013.
[11] 韩昊. 广州市机动车PM2.5及其金属元素排放特征研究[D]. 广州: 暨南大学, 2015.
[12] 董瑶. 广州市珠江新城城市主干道绿化景观的调查与评价 [D]. 广州: 华南理工大学, 2016.
[13] MORAKINYO T E, LAM Y F. Study of traffic-related pollutant removal from street canyon with trees: dispersion and deposition perspective [J]. Environmental Science and Pollution Research, 2016, 23(21): 21652-21668.
[14] 吴志萍, 王成, 侯晓静, 等. 6种城市绿地空气PM2.5浓度变化规律的研究[J]. 安徽农业大学学报, 2008(4): 494-498.
WU Z P, WANG C, HOU X J, et al. Variation of air PM2.5 concentration in six urban greenlands [J]. Journal of Anhui Agricultural University, 2008(4): 494-498.
[15] 北京市园林科学研究院. 行道树栽植与养护管理技术规范: DB11/T 839—2017[S]. 北京: 北京市质量技术监督局, 2017.
[1] Jin Yu-kai, Li Zhi-sheng, Ou Yao-chun, Zhang Hua-gang, Zeng Jiang-yi, Chen Bo-chao. Prediction and Comparative Study of PM2.5 Concentration Based on Multi-stage Clustering [J]. Journal of Guangdong University of Technology, 2023, 40(03): 17-24.
[2] Liu Xiao-zhou, Zhu Rui, Zhu Guang-yu. Numerical Simulation and Experimental Research of Methane-hydrogen Combustion Technology on Swirl Gas Stove [J]. Journal of Guangdong University of Technology, 2023, 40(01): 113-121.
[3] Dai Mei-ling, Cheng Cheng, Wu Zhi-wen, Lu Zhen-wei, Lu Jie-xun, Yang Jian, Yang Fu-jun. Quasi-static Compressive Mechanical Behaviors of Perforated Hollow-Sphere Structures [J]. Journal of Guangdong University of Technology, 2022, 39(04): 83-90,97.
[4] Zeng Jiang-yi, Li Zhi-sheng, Ou Yao-chun, Jin Yu-kai. PM2.5 Concentration Improving Prediction Modeling of Seasonal Index [J]. Journal of Guangdong University of Technology, 2022, 39(03): 89-94.
[5] Liu Xiao-zhou, Zhu Guang-yu. A Research on Gas Flow Characteristics and Structure Optimization in Primary Air Chamber of Circulating Fluidized Bed Boiler [J]. Journal of Guangdong University of Technology, 2022, 39(03): 116-124.
[6] Li Yu-hang, Gao Zhen-yu, Yang Xue-qiang, Liu Pan. Test and Numerical Analysis of Penetration Resistance of Static Pressure Steel Sheet Pile [J]. Journal of Guangdong University of Technology, 2022, 39(01): 129-134.
[7] Luo Jun-wu, Li Dong-mei, Liang Shuai, Wang Shuai-chao, Xiao Shu-hong. A Research on Numerical Simulation of Droplet Generation in Crossing Microchannels [J]. Journal of Guangdong University of Technology, 2020, 37(05): 68-74.
[8] Gan Yang-yang, Li Zhi-sheng. A Numerical Simulation and an Analysis of Air Curtain Control Effect on PM2.5 in the Kitchen [J]. Journal of Guangdong University of Technology, 2020, 37(03): 82-87.
[9] Liu Chen-lin, Zheng San-qiang, Han Xiao-zhuo. A Spatio-temporal Dynamic Analysis of a Predation-competition System with Allee Effect [J]. Journal of Guangdong University of Technology, 2019, 36(06): 38-44.
[10] Wu Cheng-he, Liu Li-ru, Chen Yi-gang, Wang Zhang-yuan. A Performance Study of Solar Chimney with Rotating Collector [J]. Journal of Guangdong University of Technology, 2018, 35(05): 70-74.
[11] Li Zhi-sheng, Liu Xu-hong, Zheng Jie-dong, Liu Li-ru, Wang Xiao-xia. Thermal Environment Simulation and Airflow Distribution Analysis of Passenger Boarding Bridge [J]. Journal of Guangdong University of Technology, 2018, 35(02): 28-34.
[12] ZHAO Bing-Chun, WANG Xin, LAI Zhi-Ping. Effects of Building Layout Forms on Thermal environment in Residential Districts [J]. Journal of Guangdong University of Technology, 2016, 33(06): 91-95.
[13] WANG Chang-Hong， HUANG Jiong-Tong， ZENG Wen-Qiang. Numerical Simulation and Analysis of Heat Transfer Characteristics in Electrode of Spot Welding for High Melting Steel [J]. Journal of Guangdong University of Technology, 2016, 33(03): 6-10.
[14] LIU Yong-Jian, LIU Yi-Mei, CHEN Chuang-Xin, WANG Ying, LUO Qi-Yang, LIN Hui. Research on Deformation Characteristics of Protective Structure of Deep Foundation Pit in Soft Soil [J]. Journal of Guangdong University of Technology, 2016, 33(01): 89-94.
[15] YANG Yi. Finite Volume Method Model for Unsteadystate Heat and Mass Transfer in Seawater Solar Pond [J]. Journal of Guangdong University of Technology, 2015, 32(2): 120-125.
Viewed
Full text


Abstract

Cited
  Shared   
  Discussed   
No Suggested Reading articles found!
Copyright © 2017 Journal of Guangdong University of Technology
Add：729 East Dongfeng RD., Guangzhou PRC. Postcode: 510090
Tel：020-37626653,020-37626139,020-37626396
Email：xbzrb@gdut.edu.cn
Supported:Beijing Magtech