Complex terrain CFD computational domain modeling method and geological sequestration carbon dioxide leakage simulation and risk assessment system

A technology of complex terrain and modeling methods, applied in the field of carbon neutralization and carbon peaking, it can solve the problems of complex diffusion simulation modeling, low visibility and popularity of risk characterization, and unobjective risk assessment standards, and achieve simple calculation. , high applicability and promotion, reliable data effect

Pending Publication Date: 2022-02-08
NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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Problems solved by technology

[0007] The purpose of the present invention is to provide a solution for the problems of complex diffusion simulation modeling, unobjective risk assessment standards, and low visibility and popularization of risk representation in CCUS storage leakage risk assessment and management of existing complex terrain, especially loess maoliang landform. A complex terrain CFD computational domain modeling method and geo

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  • Complex terrain CFD computational domain modeling method and geological sequestration carbon dioxide leakage simulation and risk assessment system
  • Complex terrain CFD computational domain modeling method and geological sequestration carbon dioxide leakage simulation and risk assessment system
  • Complex terrain CFD computational domain modeling method and geological sequestration carbon dioxide leakage simulation and risk assessment system

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[0035] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0036] The complex terrain CFD computational domain modeling method comprises the following steps:

[0037] (1) Obtain the topographic image data of the storage area and the nearby preset range. The source data of the topographic image is the V3 version of ASTERGDEM remote sensing satellite data. The spatial resolution of the data is 30m, and the format is tiff. Refer to figure 2 . Import the terrain image source data into the Global Mapper (Blue Marble Geographic Inc.v.19) software, set the model coordinate system and projection standard according to the regional longitude and latitude and the coordinate system of the image source data, and use the "draw" command to delineate the outer boundary of the study area ; Utilize the "Analyze" and "Generate Contour Based on TIN" commands to generate the 3D contour model of the area to be studied; use "Export" and "Vector ...

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Abstract

The invention belongs to the technical field of carbon peak reaching and carbon neutralization, and particularly relates to a complex terrain CFD computational domain modeling method and a geological sequestration CO2 leakage simulation and risk assessment system. The modeling method is simple, and three-dimensional modeling of complex terrains such as loess loess ridge beam areas can be achieved through data conversion. The simulation and risk assessment system comprises a CO2 exposure concentration acquisition module, a CO2 exposure reference concentration module, a health risk assessment module and a health risk spatial and temporal distribution visualization module, the simulation and risk assessment system based on modeling has good visualization characteristics, and the CCUS potential leakage risk assessment with high speed, high operability, high precision and high visualization degree is realized.

Description

technical field [0001] The invention belongs to the technical field of carbon peaking and carbon neutralization, and in particular relates to a complex terrain CFD calculation domain modeling method and geological storage of CO 2 Leak simulation and risk assessment system. Background technique [0002] Carbon capture, utilization and storage (CCUS) is an economical and effective measure to deal with global climate change, but due to the lack of understanding of the hazards of its potential leakage, it is easy to cause public panic and rejection of CCUS and become a large-scale One of the main obstacles to the promotion of CCUS. An oilfield in Northwest China, one of the CCUS pilot demonstration bases in my country, is a typical loess beam landform. In the demonstration project area, a comprehensive description of the route, the scope of potential carbon dioxide leakage and the level of harm, the promotion of CCUS technology and the national strategic goal of carbon neutrali...

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Application Information

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IPC IPC(8): G06F30/28G06F30/23G06Q10/06G06F113/08G06F119/14
CPCG06F30/28G06F30/23G06Q10/0635G06F2113/08G06F2119/14
Inventor 张一梅栗帅李鱼郭文瑾郭晓倩吴百苗林千果梁希
Owner NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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