Method for constructing atmospheric pollutant diffusion model

A technology for atmospheric pollutants and diffusion models, which is applied in the fields of climate sustainability, special data processing applications, instruments, etc.

Inactive Publication Date: 2013-08-21
STATE GRID CORP OF CHINA +2
View PDF1 Cites 42 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the polluted area distribution map of the year usually relies on the test data a year ago, and the current environmental changes are not considered much, so the formula

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Method for constructing atmospheric pollutant diffusion model
  • Method for constructing atmospheric pollutant diffusion model
  • Method for constructing atmospheric pollutant diffusion model

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0082] The present invention will be further elaborated below by describing a preferred specific embodiment in detail in conjunction with the accompanying drawings.

[0083] A method for constructing an atmospheric pollutant diffusion model, the method comprising the following steps:

[0084] Step 1, establish three-dimensional space Cartesian coordinates;

[0085] Step 2. Determine the factors that affect the spread of air pollution;

[0086] Step 3, simplify the basic form of the Gaussian model;

[0087] Step 4. Obtain the air pollution diffusion model.

[0088] In step 1, the rectangular coordinates of the three-dimensional space are based on the axis passing through the discharge point source and perpendicular to the ground as the Z axis, the intersection point of the Z axis and the ground as the origin, the dominant wind direction as the X axis, and the straight line perpendicular to the X axis and passing the origin in the horizontal plane is The Y axis is established...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

PropertyMeasurementUnit
Particle sizeaaaaaaaaaa
Login to view more

Abstract

The invention discloses a method for constructing an atmospheric pollutant diffusion model. The method includes the following steps of establishing three-dimensional space rectangular coordinates, determining factors which influence atmospheric pollution diffusion, simplifying a fundamental form of a Gaussian model, and obtaining the atmospheric pollutant diffusion model. The method can be widely applied to survey regions with various dimensions, and is particularly suitable for medium and small dimensions. Besides, the method is high in computational efficiency, low in requirement to meteorological data, and capable of reflecting a diffusing process of atmospheric pollution to the greatest extent in a simple mode. Under the conditions that a rang is small, a weather field is simple, the underlying surface and topographic conditions are relatively not complex, and secondary pollutant is not considered or processed simply, a concentration field calculated through the method and a concentration field calculated through a complicated numerical method are comparatively fit, errors are mainly derived from input parameters of the model (such as precision degree of pollution source data), the model is simple, input data are less, and programming and developing are convenient.

Description

technical field [0001] The invention relates to a method for constructing a model, in particular to a method for constructing an air pollutant diffusion model. Background technique [0002] The outdoor electrical equipment of transmission lines and substations are often polluted by industrial pollution or natural salinity, flying dust, bird droppings, etc. In a dry climate, the resistance of the dirty layer is very large, and the insulation performance will not be reduced. However, under adverse weather conditions such as fog, dew, light rain, and snow, the electrolyte in the dirty layer will increase the surface conductivity after being wetted. , the insulation performance is reduced, and the ash in it can retain moisture, which promotes the further moisture of the dirty layer, thereby dissolving more electrolytes, and its surface conductance and leakage current will greatly increase under the action of an applied voltage, which may lead to occurrence along the insulating d...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): G06F19/00
CPCY02A90/10
Inventor 吕政权张建方陈怡君张海翔
Owner STATE GRID CORP OF CHINA
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap