Canyon street optimization design method based on pollutant concentration control

A pollutant concentration and optimization method technology, applied in design optimization/simulation, computer-aided design, calculation, etc., can solve the problem of not considering the impact of canyon street airflow and air environment quality, and street design on pedestrian health Impact and other issues

Active Publication Date: 2021-09-10
HARBIN INST OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, street design is mainly carried out from the aspects of urban style and land use, without considering th

Method used

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  • Canyon street optimization design method based on pollutant concentration control
  • Canyon street optimization design method based on pollutant concentration control
  • Canyon street optimization design method based on pollutant concentration control

Examples

Experimental program
Comparison scheme
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Embodiment approach 1

[0065] Embodiment 1. Combining the attached figure 1 To illustrate this embodiment, this embodiment provides a method for optimizing canyon streets based on pollutant concentration control, and the method includes the following steps:

[0066] Step 1: Determine the city and area where the street is located, and collect meteorological data of the city for at least the past five years through a computer. The meteorological parameters include: solar radiation angle α, solar radiation time T, solar radiation intensity I, local wind speed v and wind direction and the outdoor air temperature t out ; Determine the area where the optimized street is located, the area includes: residential area, commercial area and cultural and educational area; determine the basic elements contained in the street, the basic elements of the street include: building type, street width, greening distribution and type;

[0067] Step 2: According to the determined basic elements of the street, establish a...

Embodiment approach 2

[0114] Embodiment 2, combined with the attached figure 1 Describe this embodiment. This embodiment is a further limitation of the canyon street optimization method based on pollutant concentration control described in Embodiment 1. The model of the simulation software described in step 2 is: fluent from ANSYS.

Embodiment approach 3

[0115] Implementation mode three, combined with the attached figure 1 Describe this embodiment. This embodiment is a further limitation of the canyon street optimization method based on pollutant concentration control described in Embodiment 1. The ratio of the building height on both sides to the street width described in step 3 is 0.8 -3 range.

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Abstract

The invention discloses a canyon street optimization design method based on pollutant concentration control, relates to the technical field of urban building design, and aims to solve the problems that the concentrations of pollutants such as carbon oxides, hydrocarbons, nitrogen oxides and inhalable particles in urban central roads in the prior art tend to rise year by year, pedestrians on sidewalks and non-motorized vehicle lanes are directly exposed in the air, serious motor vehicle exhaust pollution causes huge harm to urban atmospheric environment, ecological environment and human health. In order to solve the problem, the canyon street optimization design method comprises the steps of determining urban meteorological parameters, establishing a street physical model, determining input parameters, determining street pollutant concentration, replacing different input parameters, calculating an air pollution index through an urban simulation calculation model and selecting an optimal street model. According to the method, the influence of street design on pollutant diffusion is considered, so that a street design scheme which is most beneficial to pedestrian health is determined. The method can be widely applied to the technical field of urban building design.

Description

technical field [0001] The invention relates to the technical field of urban architectural design, in particular to the field of optimal design of urban streets. Background technique [0002] According to the monitoring results of pollutants in various cities, the concentration of pollutants such as carbon oxides (CO), hydrocarbons (HC), nitrogen oxides (NOX), and inhalable particulate matter (PM2.5 PM10) in urban central roads is increasing year by year. Many areas have exceeded the national ambient air standard. Except for motor vehicle drivers, pedestrians on sidewalks and non-motor vehicle lanes are directly exposed to the air and breathe street air. Serious motor vehicle exhaust pollution has caused great harm to the urban atmospheric environment, ecological environment and human health. Traditional street design mainly considers the division of motor vehicle lanes and non-motor vehicle lanes, traffic issues such as intersection placement, and land use issues such as ...

Claims

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Application Information

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IPC IPC(8): G06F30/28G06F113/08G06F119/08G06F119/14
CPCG06F30/28G06F2113/08G06F2119/08G06F2119/14Y02A50/20
Inventor 张甜甜秦玉鑫韩东亮
Owner HARBIN INST OF TECH
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