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Street canyon motor vehicle exhaust pollutant concentration estimating system

A pollutant concentration, motor vehicle technology, applied in the direction of calculation, special data processing applications, instruments, etc., can solve the problems of cumbersome layout, expensive, difficult, fast and convenient research, etc., and achieve the effect of strong operability

Active Publication Date: 2016-12-07
UNIV OF SCI & TECH OF CHINA
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

2) The physical wind tunnel experiment is cumbersome and expensive, making it difficult to conduct research quickly and conveniently

Method used

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  • Street canyon motor vehicle exhaust pollutant concentration estimating system
  • Street canyon motor vehicle exhaust pollutant concentration estimating system
  • Street canyon motor vehicle exhaust pollutant concentration estimating system

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Embodiment Construction

[0033] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0034] figure 1 A schematic diagram of a street canyon motor vehicle exhaust pollutant concentration estimation system provided by an embodiment of the present invention. Such as figure 1 As shown, it mainly includes: license plate information acquisition module, license plate recognition module, data storage and analysis module, and numerical simulation calculation module for the flow field in the street; among them:

[0035] The license plate i...

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Abstract

The invention discloses a street canyon motor vehicle exhaust pollutant concentration estimating system. The system can obtain street canyon pollutant diffusion and distribution situations by adopting a CFD numerical simulation method according to urban road vehicle flow, canyon geometric structure and other data and is strong in operability. In addition, the system makes monitoring of air pollution degrees in all urban regions operable and flexible, facilitates drawing of an air pollution concentration distribution diagram of the local region, facilitates determination of a heavy pollution zone of the local region and analysis of air pollution causes in the local region and provides a scientific and reasonable basis for formulation of local region exhaust pollution treatment measures.

Description

technical field [0001] The invention relates to the technical field of environmental forecasting, in particular to a system for estimating the concentration of exhaust pollutants from motor vehicles in street canyons. Background technique [0002] With the rapid advancement of industrial automation and the improvement of people's living standards, the number of urban motor vehicles has increased rapidly, and motor vehicle exhaust emissions have become the main source of urban pollutants, seriously affecting the quality of life of urban residents. Different from traditional coal-based industrial pollution, motor vehicle exhaust emissions are low, close to the height of human breathing zone; the rapid growth of motor vehicle ownership leads to high density of emission sources. At the same time, exhaust emissions are mostly concentrated in urban streets, and the diffusion conditions are poor, which is likely to cause long-term retention of pollutants. Therefore, the diffusion o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30G06F17/50G06Q50/26
CPCG06F16/903G06F16/9038G06F30/367G06Q50/26
Inventor 康宇张仁才崔凌云
Owner UNIV OF SCI & TECH OF CHINA
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