CN117153032A - Virtual simulation experiment platform for seepage motion of gas-wrapping belt and saturated belt - Google Patents
Virtual simulation experiment platform for seepage motion of gas-wrapping belt and saturated belt Download PDFInfo
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- CN117153032A CN117153032A CN202311213052.2A CN202311213052A CN117153032A CN 117153032 A CN117153032 A CN 117153032A CN 202311213052 A CN202311213052 A CN 202311213052A CN 117153032 A CN117153032 A CN 117153032A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 84
- 230000008595 infiltration Effects 0.000 claims abstract description 54
- 238000001764 infiltration Methods 0.000 claims abstract description 54
- 238000002474 experimental method Methods 0.000 claims abstract description 50
- 238000000034 method Methods 0.000 claims abstract description 37
- 238000005086 pumping Methods 0.000 claims description 21
- 238000012360 testing method Methods 0.000 claims description 16
- 239000002689 soil Substances 0.000 claims description 12
- 239000003673 groundwater Substances 0.000 claims description 10
- 230000009189 diving Effects 0.000 claims description 7
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- 239000008239 natural water Substances 0.000 claims description 3
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- 239000011148 porous material Substances 0.000 description 1
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Abstract
The invention relates to a virtual simulation experiment platform for seepage motion of a gas-wrapping belt and a saturated belt, which is characterized in that: comprising the following steps: an experiment guiding module; an experiment purpose module; a infiltration experiment module; a well flow experiment module; the experimental technique method for exploring the seepage motion rule of the gas-wrapping belt and the saturated belt well flow simulation under indoor and outdoor conditions can be mastered through training and learning of the gas-wrapping belt-saturated belt seepage motion simulation virtual simulation experiment, the seepage rate is deduced through seepage data recorded in the experimental process, a seepage curve is drawn, the stable seepage rate of the gas-wrapping belt, namely the seepage capability, theoretical knowledge of underground water movement to a well is deeply understood, and the capability of acquiring the hydrogeological parameters of an aquifer through designing the well flow experiment is mastered.
Description
Technical Field
The invention relates to the technical field of virtual simulation, in particular to a virtual simulation experiment platform for seepage motion of a gas-wrapping belt and a saturated belt.
Background
In the prior art, the traditional experimental teaching mode mainly based on demonstration can not meet the culture requirement of talents of engineering, and the culture of talents of brand new engineering technology is imperative.
In the motion learning for the seepage of the air-packing belt and the saturated belt, the existing teaching technology has the following problems and defects: the traditional experimental teaching means has limitations, and the engineering scale experiment has high cost, high consumption and difficult actual operation; the experimental teaching equipment in the prior art has the defects of poor repeated use effect, long experimental period, irreversible experiment and the like, and low experimental efficiency.
Disclosure of Invention
The invention aims to solve the technical problem of providing a virtual simulation experiment platform for seepage motion of a gas-wrapping belt and a saturated belt, which can solve the problems in the background technology.
In order to solve the technical problems, the technical scheme of the invention is as follows: a virtual simulation experiment platform for seepage motion of a gas-wrapping belt and a saturated belt is characterized in that: comprising the following steps:
experiment guiding module: the method can enter a gas-wrapping band and saturated band seepage motion introduction page, can acquire the introduction of a natural water circulation system, selects an idealized hydrogeologic model of the natural world, clicks each layer according to the idealized hydrogeologic model, and determines the concept of each layer; the seepage-releasing experimental principle and the well flow experimental principle are adopted;
experiment purpose module: based on a three-dimensional hydrogeological conceptual model, constructing a gas-wrapping band-saturated band seepage medium, setting up different rainfall intensity and duration scenes, constructing a gas-wrapping band-saturated band seepage virtual simulation joint model, developing a water infiltration process under the initial state of different water contents of the gas-wrapping band, and a virtual simulation of a seepage motion process of saturated band groundwater to a complete well of diving or bearing water, and exploring a water infiltration rule of the gas-wrapping band and a saturated band seepage process;
infiltration experiment module: the air-covering belt infiltration experiment designs an indoor constant water head water supply infiltration experiment and a field test field water change head water supply infiltration experiment, wherein the indoor infiltration experiment simulates infiltration, infiltration and infiltration three-stage infiltration change processes, and the field infiltration experiment can show infiltration processes and motion rules under different rain intensity conditions; wherein the indoor water head is used for underwater seepage experiments: the method comprises four steps of buttons for filling soil columns, instrument connection, index test and data recording and processing, and is used for finishing an indoor constant water head underwater seepage experiment, returning the indoor constant water head underwater seepage experiment into a field test field, and enabling the indoor constant water head underwater seepage experiment to enter the field test field: selecting a corresponding correct relation between the infiltration rate and the rain intensity and a corresponding infiltration rate change curve according to the text description, clicking to finish returning to the next link after the correct relation is selected;
well flow experiment module: the module can simulate the movement process of groundwater of the diving and confined aquifer to the well, and obtain the relative hydrogeological parameters of the aquifer according to experimental data processing; the experimental contents of the submerged well flow are as follows: setting weather, determining an experimental scheme of one of three, carrying out a pumping experimental process, recording water level change, and selecting a proper formula to calculate the hydrogeological parameter K value of the submerged aquifer; the experimental contents of the pressure-bearing water well flow are as follows: setting weather, determining an experimental scheme of one of three, carrying out a pumping experimental process, recording water level change, and selecting a proper formula to calculate the hydrogeological parameter K value of the submerged aquifer; after determining the experimental condition scheme, clicking is completed, and an experimental device link is entered.
Further, the experimental scheme of the well flow experimental module is as follows: only one-hole pumping well has no observation hole scheme; a water pumping well and an observation hole are used for prevention; one-eye pumping well, two-eye observation well scheme.
The invention has the advantages that:
1) According to the invention, the virtual simulation scene of the gas-packing belt downhole permeation test and the saturated belt well flow simulation test is fused, the virtual simulation of the gas-packing belt-saturated belt in-situ permeation is comprehensively realized, the experimental technical method of exploring the gas-packing belt downhole permeation motion law and the saturated belt well flow simulation under indoor and outdoor conditions can be mastered through training and learning of the gas-packing belt and saturated belt permeation motion simulation virtual simulation test, the downhole permeation rate is deduced through downhole permeation data recorded in the experimental process, a downhole permeation curve is drawn, the stable downhole permeation rate of the gas-packing belt, namely the downhole permeation capacity is judged, the theoretical knowledge of underground water to well motion is deeply understood, and the capacity of acquiring the hydrogeological parameters of an aquifer through designing the well flow test is mastered.
Drawings
The invention will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic diagram of a simulation experiment platform for seepage motion of a gas-wrapping belt and a saturated belt.
Fig. 2 is a schematic diagram of a simulation experiment platform for seepage motion of a gas-wrapping belt and a saturated belt.
Description of the embodiments
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The virtual simulation experiment platform for the seepage motion of the air-packing belt and the saturated belt shown in the figure 1 and the figure 2 comprises:
experiment guiding module: the method can enter a gas-wrapping band and saturated band seepage motion introduction page, can acquire the introduction of a natural water circulation system, selects an idealized hydrogeologic model of the natural world, clicks each layer according to the idealized hydrogeologic model, and determines the concept of each layer; the experimental principle of downhole seepage and the experimental principle of well flow are solved.
Experiment purpose module: based on a three-dimensional hydrogeological conceptual model, constructing a gas-wrapping band-saturated band seepage medium, setting up different rainfall intensity and duration scenes, constructing a gas-wrapping band-saturated band seepage virtual simulation joint model, developing a water infiltration process under the initial state of different water contents of the gas-wrapping band, and a virtual simulation of a seepage motion process of saturated band groundwater to a complete well of diving or bearing water, and exploring a water infiltration law of the gas-wrapping band and a saturated band seepage process.
Infiltration experiment module: the air-covering belt infiltration experiment designs an indoor constant water head water supply infiltration experiment and a field test field water change head water supply infiltration experiment, wherein the indoor infiltration experiment simulates infiltration, infiltration and infiltration three-stage infiltration change processes, and the field infiltration experiment can show infiltration processes and motion rules under different rain intensity conditions; wherein the indoor water head is used for underwater seepage experiments: the method comprises four steps of buttons for filling soil columns, instrument connection, index test and data recording and processing, and is used for finishing an indoor constant water head underwater seepage experiment, returning the indoor constant water head underwater seepage experiment into a field test field, and enabling the indoor constant water head underwater seepage experiment to enter the field test field: according to the text description, selecting the corresponding correct relation between the infiltration rate and the rain intensity and the corresponding infiltration rate change curve, clicking to finish returning to the next link after the correct relation is selected.
Well flow experiment module: the module can simulate the movement process of groundwater of the diving and confined aquifer to the well, and obtain the relative hydrogeological parameters of the aquifer according to experimental data processing; the experimental contents of the submerged well flow are as follows: setting weather, determining an experimental scheme of one of three, carrying out a pumping experimental process, recording water level change, and selecting a proper formula to calculate the hydrogeological parameter K value of the submerged aquifer; the experimental contents of the pressure-bearing water well flow are as follows: setting weather, determining an experimental scheme of one of three, carrying out a pumping experimental process, recording water level change, and selecting a proper formula to calculate the hydrogeological parameter K value of the submerged aquifer; after determining the experimental condition scheme, clicking is completed, and an experimental device link is entered.
The experimental scheme of the three selected well flow experimental modules is as follows: only one-hole pumping well has no observation hole scheme; a water pumping well and an observation hole are used for prevention; one-eye pumping well, two-eye observation well scheme.
Downward osmosis experimental principle-downward osmosis theory:
the soil moisture infiltration process can be divided into infiltration, seepage and infiltration stages of 3 according to different moisture stress, and the soil moisture content, the moisture existence form and the like are different along with the different soil moisture infiltration stages.
In the infiltration stage of the infiltration process, the soil generates stronger water absorption capacity by combining water, and the water content is influenced by the outside to the greatest extent; when the water content is obviously increased by receiving exogenous replenishment, the soil is combined with the outer layer of the water belt, hole angle capillary water is increased, and the combined water and the hole angle capillary water exist; when the soil moisture reaches the maximum molecular water holding capacity, a seepage stage is started, and the moisture continuously infiltrates downwards along with downward expansion of the capillary suspension belt; when the water content of the soil is close to or exceeds the maximum water content limit of the pore angle capillary water, the soil water enters the suspension capillary water range; when the soil moisture reaches a saturated state, the infiltration water is only acted by gravity and enters the infiltration stage, so that the water transmission effect is strongest, and the capillary water saturation belt is supported to be tightly connected.
Well flow experimental principle-steady motion theory of groundwater to a complete well:
the underground water complete well means that the well penetrates through the whole aquifer, and the filter is installed on the thickness of the whole aquifer and can fully feed water. The underground water movement theory of the complete well and the incomplete well is different from that of the underground water movement theory of the incomplete well, and the experiment is only aimed at the complete well.
Assuming a circular island-shaped aquifer with radius R, a pumping well is drilled in the center, and the water head H0 at the island boundary is fixed and unchanged, which is the same as the initial underground water head before pumping. Pumping water in the well, lowering the water level of the well, and flowing the surrounding water into the well to form a dropping funnel. As pumping continues, the drop funnel expands to supply the well's volume of water, and the groundwater movement is unstable during this process. When the funnel is expanded to the boundary of the fixed water head of the island, the underground water is supplied around the island until the supply quantity is equal to the water pumping quantity, and the movement of the underground water reaches a stable state. The experiment only aims at steady state to develop relevant research.
Groundwater aquifers are classified into diving aquifers and confined aquifers according to whether they are confined or not, whichever aquifer is difficult to see, such as the ideal circular island aquifer described above, typically bounded aquifers with lateral supply, or infinite aquifers. When the water is pumped for a long time by the bounded aquifer, the movement of the groundwater is stable when the replenishment amount is equal to the pumping amount, and the steady flow of the infinite aquifer is not strictly possible, but a quasi-steady state can be generated after the water is pumped for a quite long time.
Table 1: stable motion theoretical formula of underground water to complete well
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (2)
1. The utility model provides a virtual simulation experiment platform of package gas area and saturated area seepage flow motion which characterized in that: comprising the following steps:
experiment guiding module: the method can enter a gas-wrapping band and saturated band seepage motion introduction page, can acquire the introduction of a natural water circulation system, selects an idealized hydrogeologic model of the natural world, clicks each layer according to the idealized hydrogeologic model, and determines the concept of each layer; the seepage-releasing experimental principle and the well flow experimental principle are adopted;
experiment purpose module: based on a three-dimensional hydrogeological conceptual model, constructing a gas-wrapping band-saturated band seepage medium, setting up different rainfall intensity and duration scenes, constructing a gas-wrapping band-saturated band seepage virtual simulation joint model, developing a water infiltration process under the initial state of different water contents of the gas-wrapping band, and a virtual simulation of a seepage motion process of saturated band groundwater to a complete well of diving or bearing water, and exploring a water infiltration rule of the gas-wrapping band and a saturated band seepage process;
infiltration experiment module: the air-covering belt infiltration experiment designs an indoor constant water head water supply infiltration experiment and a field test field water change head water supply infiltration experiment, wherein the indoor infiltration experiment simulates infiltration, infiltration and infiltration three-stage infiltration change processes, and the field infiltration experiment can show infiltration processes and motion rules under different rain intensity conditions; wherein the indoor water head is used for underwater seepage experiments: the method comprises four steps of buttons for filling soil columns, instrument connection, index test and data recording and processing, and is used for finishing an indoor constant water head underwater seepage experiment, returning the indoor constant water head underwater seepage experiment into a field test field, and enabling the indoor constant water head underwater seepage experiment to enter the field test field: selecting a corresponding correct relation between the infiltration rate and the rain intensity and a corresponding infiltration rate change curve according to the text description, clicking to finish returning to the next link after the correct relation is selected;
well flow experiment module: the module can simulate the movement process of groundwater of the diving and confined aquifer to the well, and obtain the relative hydrogeological parameters of the aquifer according to experimental data processing; the experimental contents of the submerged well flow are as follows: setting weather, determining an experimental scheme of one of three, carrying out a pumping experimental process, recording water level change, and selecting a proper formula to calculate the hydrogeological parameter K value of the submerged aquifer; the experimental contents of the pressure-bearing water well flow are as follows: setting weather, determining an experimental scheme of one of three, carrying out a pumping experimental process, recording water level change, and selecting a proper formula to calculate the hydrogeological parameter K value of the submerged aquifer; after determining the experimental condition scheme, clicking is completed, and an experimental device link is entered.
2. The simulated experiment platform for seepage motion of a gas-filled zone and a saturated zone according to claim 1, which is characterized in that: the experimental scheme of the third choice in the well flow experimental module is as follows: only one-hole pumping well has no observation hole scheme; a water pumping well and an observation hole are used for prevention; one-eye pumping well, two-eye observation well scheme.
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| CN117672048A (en) * | 2024-01-31 | 2024-03-08 | 山东大学 | Nitrogen source analysis virtual simulation experiment system and method based on nitrogen isotope test |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117672048A (en) * | 2024-01-31 | 2024-03-08 | 山东大学 | Nitrogen source analysis virtual simulation experiment system and method based on nitrogen isotope test |
| CN117672048B (en) * | 2024-01-31 | 2024-04-19 | 山东大学 | Nitrogen source analysis virtual simulation experiment system and method based on nitrogen isotope test |
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