Method and device for constructing equivalent pipeline flow model for underground water solute transport of intersecting fractures

By constructing an equivalent pipeline flow model in the migration of groundwater solutes in complex media, the problems of high uncertainty, high cost and low efficiency in groundwater pollution prediction and early warning and risk control in the prior art are solved, and the rapid and reliable prediction of the spatiotemporal distribution of groundwater pollutants is achieved.

CN119647027AActive Publication Date: 2025-03-18UNIV OF CHINESE ACAD OF SCI +1
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Patent Information

Application Number
CN202411543219.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-10-31
Publication Date
2025-03-18
Estimated Expiration
2044-10-31

AI Technical Summary

Technical Problem

The prior art has high uncertainty, high cost and low efficiency in the prediction and early warning of groundwater solute pollution in complex media.

Method used

A method for constructing an equivalent pipeline flow model for water solute migration in intersecting fractures is provided, and a quantitative model of equivalent diffusion and permeability is established by determining typical conditional frameworks, selecting control parameter variables, performing numerical simulation and data analysis.

Benefits of technology

It realizes rapid and reliable prediction of the spatiotemporal distribution of groundwater pollutants in complex media under the framework of meeting given conditions, and improves the accuracy and efficiency of the evaluation of the spatiotemporal evolution state of pollution.

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Abstract

The invention discloses a method and a device for constructing an equivalent pipeline flow model for underground water solute transport of intersecting fractures, and belongs to the technical field of underground water pollution prevention and control and risk management and control. The method comprises the following steps: determining an intersection fracture groundwater solute migration conceptual model according to an intersection fracture typical condition, selecting a groundwater solute migration spatio-temporal evolution correlation characteristic variable, obtaining a groundwater solute migration mathematical control equation, and obtaining a groundwater solute migration spatio-temporal evolution numerical simulation system; and obtaining a crack groundwater solute transport equivalent dispersion quantitative model and a corresponding equivalent permeability and equivalent circular tube seepage section quantitative model, and further establishing a groundwater solute transport equivalent pipeline flow model. The method can provide powerful support for rapid prediction and early warning of large-scale complex medium groundwater pollution and effective risk management and control.
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