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CN116258021A - COMSOL-based photovoltaic panel surface area ash simulation analysis method and system - Google Patents

COMSOL-based photovoltaic panel surface area ash simulation analysis method and system Download PDF

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CN116258021A
CN116258021A CN202310517280.2A CN202310517280A CN116258021A CN 116258021 A CN116258021 A CN 116258021A CN 202310517280 A CN202310517280 A CN 202310517280A CN 116258021 A CN116258021 A CN 116258021A
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photovoltaic panel
surface area
ash
comsol
model
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CN116258021B (en
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刘思成
马博洋
董蔚
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Datang Northeast Electric Power Test and Research Institute Co Ltd
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Abstract

The invention discloses a COMSOL-based photovoltaic panel surface area ash simulation analysis method and system, and belongs to the technical field of photovoltaic panel surface area ash, wherein the method comprises the following steps: constructing a photovoltaic panel three-dimensional model by using COMSOL simulation software; adding particles outside the three-dimensional photovoltaic panel model to obtain a photovoltaic panel model with dust deposit on the surface; and adding an air flow field to the photovoltaic panel model with the deposited ash on the surface so as to calculate the ash amount of the surface area of the photovoltaic panel under a preset factor and analyze the change condition of the ash of the surface area of the photovoltaic panel. According to the method, a three-dimensional model of the photovoltaic panel is built, the surface dust accumulation characteristic of the photovoltaic panel is researched, and the influence of different factors on the surface area dust of the photovoltaic panel is found by analyzing the difference of dust accumulation amounts under different conditions.

Description

COMSOL-based photovoltaic panel surface area ash simulation analysis method and system
Technical Field
The invention relates to the technical field of photovoltaic panel surface area ash, in particular to a COMSOL-based photovoltaic panel surface area ash simulation analysis method and system.
Background
With the advent of the concepts "carbon peak", "carbon neutralization", photovoltaic has received increasing attention as a clean energy source. However, the surface of the photovoltaic panel is easy to deposit ash, and the power generation efficiency of the photovoltaic panel is greatly influenced after the ash deposit, and the natural ash deposit test and the artificial ash distribution test are mainly carried out for the ash deposit of the photovoltaic panel at home and abroad, wherein the natural ash deposit test refers to natural dust falling in the atmospheric environment, the artificial ash distribution refers to the ash distribution to an experimental object in a manual mode, and the two test periods are relatively long and are easily influenced by the change of external environmental factors.
Disclosure of Invention
The invention provides a COMSOL-based photovoltaic panel surface area ash simulation analysis method and system, which are used for solving the technical problems that the period is equivalent to a longer period and is easily influenced by external environmental factor changes when aiming at a test adopted by the photovoltaic panel accumulated ash.
According to one aspect, the embodiment of the invention provides a COMSOL-based photovoltaic panel surface area ash simulation analysis method, which comprises the following steps:
step S1, constructing a three-dimensional model of the photovoltaic panel by using COMSOL simulation software;
s2, adding particles outside the three-dimensional photovoltaic panel model to obtain a photovoltaic panel model with dust deposit on the surface;
and S3, adding an air basin to the photovoltaic panel model with the deposited ash on the surface so as to calculate the ash amount of the surface area of the photovoltaic panel under a preset factor and analyze the change condition of the ash of the surface area of the photovoltaic panel.
In another aspect, an embodiment of the present invention provides a COMSOL-based photovoltaic panel surface area ash simulation analysis system, including:
the construction module is used for constructing a three-dimensional model of the photovoltaic panel by utilizing COMSOL simulation software;
the particle adding module is used for adding particles outside the three-dimensional photovoltaic panel model to obtain a photovoltaic panel model with dust deposit on the surface;
and the calculating and analyzing module is used for adding an air flow field to the photovoltaic panel model with the dust deposit on the surface so as to calculate the dust amount of the surface area of the photovoltaic panel under a preset factor and analyze the change condition of the dust of the surface area of the photovoltaic panel.
In yet another aspect, the embodiment of the present invention provides a computer device, including a memory, a processor, and a computer program stored on the memory and capable of running on the processor, where the processor executes the computer program to implement the method for simulating and analyzing the surface area ash of a photovoltaic panel based on COMSOL as described in the foregoing embodiment.
In yet another aspect, embodiments of the present invention provide a non-transitory computer readable storage medium having stored thereon a computer program, which when executed by a processor, implements a COMSOL-based photovoltaic panel surface area ash simulation analysis method as described in the above embodiments.
The technical scheme of the invention at least realizes the following beneficial technical effects:
the three-dimensional geometric model of the photovoltaic plate is built, a proper air flow field is built for setting a flow field and a particle field, the surface area ash characteristic of the photovoltaic plate is researched, and the defects that the period is longer and the photovoltaic plate is easily influenced by the change of external environmental factors in the prior art are overcome by simulating and analyzing the change of the surface area ash of the photovoltaic plate along with different factors.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a schematic diagram of a method for performing COMSOL-based gray simulation analysis of the surface area of a photovoltaic panel according to one embodiment of the present invention;
FIG. 2 is a modeling diagram of a photovoltaic panel according to one embodiment of the present invention;
FIG. 3 is a graph of light Fu Banwang grid division according to one embodiment of the invention;
FIG. 4 is an air-domain grid division diagram according to one embodiment of the invention;
FIG. 5 is a graph of a photovoltaic panel at different contaminant concentrations according to one embodiment of the present invention;
FIG. 6 is a graph of a photovoltaic panel at different humidities according to one embodiment of the present invention;
FIG. 7 is a schematic diagram of a COMSOL-based photovoltaic panel surface area ash simulation analysis system according to an embodiment of the present invention.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
The method and the system for simulating and analyzing the surface area ash of the photovoltaic panel based on the COMSOL according to the embodiment of the invention are described below with reference to the accompanying drawings, and the method for simulating and analyzing the surface area ash of the photovoltaic panel based on the COMSOL according to the embodiment of the invention is described first with reference to the accompanying drawings.
FIG. 1 is a flow chart of a COMSOL-based photovoltaic panel surface area ash simulation analysis method according to one embodiment of the present invention.
As shown in fig. 1, the COMSOL-based photovoltaic panel surface area ash simulation analysis method comprises the following steps:
in step S1, a three-dimensional model of the photovoltaic panel is built by using COMSOL simulation software.
Specifically, as shown in fig. 2, 1 is established by using the aggregation module in the COMSOL simulation software: 1, a photovoltaic panel three-dimensional model.
In step S2, particles are added outside the three-dimensional photovoltaic panel model, and the photovoltaic panel model with the deposited ash on the surface is obtained.
The solar photovoltaic panel comprises a back plate, a bracket and a cover plate.
Further, in one embodiment of the present invention, step S2 includes the steps of:
step S201, setting materials of a photovoltaic panel three-dimensional model according to each component of a preset solar photovoltaic panel, wherein the materials of a back plate and a bracket are soft iron, and the materials of a cover plate are polysilicon;
and S202, adding a flow field and a particle field to the three-dimensional model of the photovoltaic panel with the materials according to a preset actual environment and simulation boundary conditions to obtain the model of the photovoltaic panel with the deposited ash on the surface.
Further, step S202 specifically includes: considering the influence of fluid viscosity, the air flow is easy to bend when flowing through the surface of the photovoltaic panel, so a RANS k-epsilon model is selected:
Figure SMS_1
Figure SMS_2
Figure SMS_3
Figure SMS_4
wherein ,
Figure SMS_5
the flow field speed is m/s; />
Figure SMS_9
The unit Pa is the principal stress tensor; />
Figure SMS_12
Aerodynamic viscosity is expressed in Pa.s; />
Figure SMS_7
Is air density, kg/m 3 ;/>
Figure SMS_8
Is the volume force, N/m 3 ;/>
Figure SMS_11
For turbulent energy, m 2 /s 2 ;/>
Figure SMS_14
For turbulent dissipation rate, m 2 /s 3 ;/>
Figure SMS_6
、/>
Figure SMS_10
、/>
Figure SMS_13
、/>
Figure SMS_15
Is a turbulence model parameter; the turbulent dynamic viscosity satisfies the formula as follows:
Figure SMS_16
wherein ,
Figure SMS_17
is the viscosity coefficient;
when the surface area ash of the photovoltaic panel is calculated, the relative dielectric constant of air is 1, polysilicon is 4.5, soft iron is 1, and the turbulent energy term satisfies the following formula:
Figure SMS_18
when the dielectrophoretic force and thermophoretic force are ignored, the particle field motion equation can be described as the following equation:
Figure SMS_19
in the formula ,
Figure SMS_20
the mass of the pollution particles is kg; />
Figure SMS_21
The unit is m/s for the speed of dirt particles; />
Figure SMS_22
The movement time of the dirt particles is s; />
Figure SMS_23
、/>
Figure SMS_24
Is->
Figure SMS_25
The unit is N, which are the gravity, fluid drag force and buoyancy of the dirt particles.
In step S3, an air basin is added to the photovoltaic panel model with the deposited ash on the surface, so as to calculate the ash amount of the photovoltaic panel surface area under the preset factors, and analyze the change condition of the photovoltaic panel surface area ash.
Further, in one embodiment of the present invention, step S3 specifically includes:
step S301, mesh division is carried out on the photovoltaic panel model with the accumulated ash on the surface through a local refinement division method, and a light Fu Banwang mesh division diagram and an air domain mesh division diagram are obtained;
step S302, adding air flow fields to the photovoltaic panel model with the deposited dust on the surface according to the light Fu Banwang grid division diagram and the air flow field grid division diagram, and selecting an optimal flow field to determine the size of the air flow field;
step S303, calculating the ash amount of the surface area of the photovoltaic panel under the preset factors according to the size of the air basin, and analyzing the change condition of the ash of the surface area of the photovoltaic panel, wherein the preset factors comprise different pollution concentrations and different humidities.
Further, in one embodiment of the present invention, in step S301, the surface of the photovoltaic panel model with the deposition thereon is subdivided by using a free triangular mesh, and the air domain of the photovoltaic panel model with the deposition thereon is subdivided by using a free tetrahedral mesh.
Specifically, as shown in fig. 3 and 4, in the embodiment of the invention, a partial refinement subdivision method is adopted to divide a photovoltaic panel model with dust deposition on the surface, and as the photovoltaic panel model is complex in structure and various in surface curvature, grid subdivision is required to be carried out on different components of the photovoltaic panel model so as to form high-quality grids to meet the calculation precision requirement, wherein the surface of the photovoltaic panel is divided by adopting a free triangle grid, the part with larger local curvature variation is independently encrypted, and the air domain is divided by adopting a free tetrahedron grid; under the condition of comprehensively considering calculation time and calculation precision, through grid independence verification, the grid number of the photovoltaic panel model with the deposited ash on the surface is finally determined to be 113.6 ten thousand, the simulation calculation model is arranged on a workstation with a 36-core processor and 128GB memory, and the single calculation time of the calculation model is about 4.5 hours;
then, adding air flow fields to the photovoltaic panel model with the grid of the photovoltaic panel model with the deposited dust on the surface according to the light Fu Banwang grid division diagram and the air domain grid division diagram, and selecting an optimal flow field to determine the size of the air flow field;
and calculating the ash amount of the surface area of the photovoltaic panel under the preset factors according to the size of the air basin, wherein the formula is as follows:
Figure SMS_26
wherein ,
Figure SMS_27
for the time coefficient>
Figure SMS_28
The mass of the individual dirt particles is in kg->
Figure SMS_29
The total deposition number of dirt particles on the surface of the photovoltaic panel can be directly counted in software to obtain +.>
Figure SMS_30
The unit of the gray scale simulation time is s, < >>
Figure SMS_31
Is the natural gray deposition time length with the unit of s, < >>
Figure SMS_32
The unit is m, which is the total surface area of the photovoltaic panel 2
Analyzing the change condition of the surface area ash of the photovoltaic panel under different humidity and pollution concentration according to the surface area ash amount of the photovoltaic panel, wherein,
as shown in FIG. 5, the surface area ash of the photovoltaic panel changes in multiple with the increase of the pollution concentration under the same particle size state at the same wind speed under different pollution concentrations and is 0.15mg/m 3 The wind speed of 4.5 m/s and the dust deposition amount of 20 mu m of particle size at the pollution concentration are the maximum value, and the wind speed of 3m/s and the dust deposition amount of 30 mu m of particle size are the minimum value; and at 0.30mg/m 3 The wind speed of 3.5m/s and the dust deposition amount of 20 mu m of particle size at the pollution concentration are the maximum value, and the wind speed of 3.5m/s and the dust deposition amount of 30 mu m of particle size are the minimum value; and at 0.45mg/m 3 The wind speed of 5m/s and the dust deposition amount of 20 mu m of particle size at the pollution concentration are the maximum value, and the wind speed of 3.5m/s and the dust deposition amount of 30 mu m of particle size are the minimum value;
as shown in fig. 6, the surface area ash of the photovoltaic panel increases with the increase of the humidity under the same particle size state at the same wind speed under different humidity, but the trend is unchanged;
therefore, the different pollution concentrations of the photovoltaic panel can cause the different surface area ash degrees, and the deeper the surface area ash degree of the photovoltaic panel is when the pollution concentration is high; the different humidity of the photovoltaic panel can cause the difference of the ash degree of the surface area, and when the humidity is higher, the ash degree of the surface area of the photovoltaic panel is higher, but no pollution concentration influence is obvious.
In summary, according to the COMSOL-based simulation analysis method for the surface area ash of the photovoltaic panel provided by the embodiment of the invention, a three-dimensional model of the photovoltaic panel is established, the photovoltaic panel model with the accumulated ash on the surface is constructed according to the three-dimensional model of the photovoltaic panel, so that the surface dust accumulation characteristic of the photovoltaic panel is researched by simulating a natural accumulated ash test, the influence of different factors on the surface area ash of the photovoltaic panel is found by analyzing the difference of the accumulated ash under different conditions, the test period is short, and the influence of the change of external environmental factors is avoided.
Next, a description will be given of a COMSOL-based photovoltaic panel surface area ash simulation analysis system according to an embodiment of the present invention with reference to the accompanying drawings.
FIG. 7 is a schematic diagram of a COMSOL-based photovoltaic panel surface area ash simulation analysis system according to an embodiment of the present invention.
As shown in fig. 7, the system 10 includes: a build module 100, an add particles module 200, and a calculate and analyze module 300.
The building module 100 is used for building a three-dimensional model of the photovoltaic panel by using COMSOL simulation software.
The particle adding module 200 is used for adding particles outside the three-dimensional photovoltaic panel model to obtain the photovoltaic panel model with the deposited ash on the surface.
In one embodiment of the invention, the add-on particle module 200 has a module for:
setting materials of a photovoltaic panel three-dimensional model according to each component of a preset solar photovoltaic panel;
and adding a flow field and a particle field to the three-dimensional photovoltaic panel model with the materials according to the preset actual environment and the simulation boundary conditions to obtain the photovoltaic panel model with the deposited ash on the surface.
In one embodiment of the invention, the preset factors include different contaminant concentrations and different humidities.
In one embodiment of the present invention, in step S201, the back plate of the three-dimensional model of the photovoltaic panel is soft iron, the support is made of soft iron, and the cover plate is made of polysilicon.
The calculation and analysis module 300 is used to add an air basin to the photovoltaic panel model with the deposited ash on the surface to calculate the amount of photovoltaic panel surface area ash under the preset factors and analyze the change condition of the photovoltaic panel surface area ash.
In one embodiment of the invention, the calculation and analysis module 300 is specifically configured to:
step S301, mesh division is carried out on the photovoltaic panel model with the surface dust deposit by a local refinement division method, so as to obtain the photovoltaic panel model with the mesh;
step S302, adding air drainage basins to the grid photovoltaic panel model, and selecting an optimal drainage basin to determine the size of the air drainage basin;
step S303, calculating the ash amount of the surface area of the photovoltaic panel under a preset factor according to the size of the air basin, and analyzing the change condition of the ash of the surface area of the photovoltaic panel.
In one embodiment of the present invention, in step S301, the surface of the photovoltaic panel model with soot thereon is subdivided using a free triangular mesh, and the air domain of the photovoltaic panel model with soot thereon is subdivided using a free tetrahedral mesh.
It should be noted that the foregoing explanation of the embodiment of the method for simulating and analyzing the surface area ash of the photovoltaic panel based on COMSOL is also applicable to the system of this embodiment, and will not be repeated here.
According to the COMSOL-based photovoltaic panel surface area ash simulation analysis system provided by the embodiment of the invention, a photovoltaic panel three-dimensional model is established, a photovoltaic panel model with accumulated ash on the surface is constructed according to the photovoltaic panel three-dimensional model, so that the surface dust accumulation characteristic of the photovoltaic panel model is researched by simulating a natural accumulated ash test, the influence of different factors on the photovoltaic panel surface area ash is found by analyzing the difference of the accumulated ash amount under different conditions, the test period is short, and the influence of the change of external environmental factors is avoided.
In order to implement the above embodiment, the present invention further provides a computer device, including a memory, a processor, and a computer program stored on the memory and capable of running on the processor, where the processor implements the COMSOL-based photovoltaic panel surface area ash simulation analysis method according to the foregoing embodiment when executing the computer program.
In order to implement the above-mentioned embodiments, the present invention also proposes a non-transitory computer readable storage medium, on which a computer program is stored, which when executed by a processor implements the COMSOL-based photovoltaic panel surface area ash simulation analysis method as described in the previous embodiments.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or N embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "N" means at least two, for example, two, three, etc., unless specifically defined otherwise.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more N executable instructions for implementing specific logical functions or steps of the process, and further implementations are included within the scope of the preferred embodiment of the present invention in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the embodiments of the present invention.
Logic and/or steps represented in the flowcharts or otherwise described herein, e.g., a ordered listing of executable instructions for implementing logical functions, can be embodied in any computer-readable medium for use by or in connection with an instruction execution system, apparatus, or device, such as a computer-based system, processor-containing system, or other system that can fetch the instructions from the instruction execution system, apparatus, or device and execute the instructions. For the purposes of this description, a "computer-readable medium" can be any means that can contain, store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device. More specific examples (a non-exhaustive list) of the computer-readable medium would include the following: an electrical connection (electronic device) having one or N wires, a portable computer cartridge (magnetic device), a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disc read-only memory (CDROM). In addition, the computer readable medium may even be paper or other suitable medium on which the program is printed, as the program may be electronically captured, via, for instance, optical scanning of the paper or other medium, then compiled, interpreted or otherwise processed in a suitable manner, if necessary, and then stored in a computer memory.
It is to be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above-described embodiments, the N steps or methods may be implemented in software or firmware stored in a memory and executed by a suitable instruction execution system. If implemented in hardware, as in another embodiment, may be implemented using any one or combination of the following techniques, as known in the art: discrete logic circuits having logic gates for implementing logic functions on data signals, application specific integrated circuits having suitable combinational logic gates, programmable Gate Arrays (PGAs), field Programmable Gate Arrays (FPGAs), and the like.
Those of ordinary skill in the art will appreciate that all or a portion of the steps carried out in the method of the above-described embodiments may be implemented by a program to instruct related hardware, where the program may be stored in a computer readable storage medium, and where the program, when executed, includes one or a combination of the steps of the method embodiments.
In addition, each functional unit in the embodiments of the present invention may be integrated in one processing module, or each unit may exist alone physically, or two or more units may be integrated in one module. The integrated modules may be implemented in hardware or in software functional modules. The integrated modules may also be stored in a computer readable storage medium if implemented in the form of software functional modules and sold or used as a stand-alone product.
The above-mentioned storage medium may be a read-only memory, a magnetic disk or an optical disk, or the like. While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.

Claims (10)

1. A COMSOL-based photovoltaic panel surface area ash simulation analysis method is characterized by comprising the following steps of:
step S1, constructing a three-dimensional model of the photovoltaic panel by using COMSOL simulation software;
s2, adding particles outside the three-dimensional photovoltaic panel model to obtain a photovoltaic panel model with dust deposit on the surface;
and S3, adding an air basin to the photovoltaic panel model with the deposited ash on the surface so as to calculate the ash amount of the surface area of the photovoltaic panel under a preset factor and analyze the change condition of the ash of the surface area of the photovoltaic panel.
2. The COMSOL-based photovoltaic panel surface area ash simulation analysis method according to claim 1, wherein the step S2 comprises the steps of:
step S201, setting materials of a three-dimensional model of a solar photovoltaic panel according to each component of the photovoltaic panel;
and step S202, adding a flow field and a particle field to the three-dimensional model of the photovoltaic panel with the materials according to a preset actual environment and simulation boundary conditions to obtain the model of the photovoltaic panel with the deposited ash on the surface.
3. The COMSOL-based photovoltaic panel surface area ash simulation analysis method according to claim 1, wherein the preset factors include different pollution concentrations and different humidities.
4. The COMSOL-based surface area gray simulation analysis method according to claim 2, wherein in the step S201, the back plate material of the three-dimensional model of the photovoltaic panel is set to be soft iron, the bracket material is set to be soft iron, and the cover plate material is set to be polysilicon.
5. The COMSOL-based photovoltaic panel surface area ash simulation analysis method according to claim 1, wherein the step S3 specifically comprises:
step S301, mesh division is carried out on the photovoltaic panel model with the deposited dust on the surface by a local refinement division method, and a light Fu Banwang mesh division diagram and an air domain mesh division diagram are obtained;
step S302, adding air flow fields to the photovoltaic panel model with the deposited ash on the surface according to the light Fu Banwang grid division diagram and the air domain grid division diagram, and selecting an optimal flow field to determine the size of the air flow field;
step S303, calculating the ash amount of the surface area of the photovoltaic panel under a preset factor according to the size of the air basin, and analyzing the change condition of the ash of the surface area of the photovoltaic panel.
6. The COMSOL-based photovoltaic panel surface area ash simulation analysis method according to claim 5, wherein in the step S301, the surface of the photovoltaic panel model with the deposited ash on the surface is split by using a free triangle mesh, and the air domain of the photovoltaic panel model with the deposited ash on the surface is split by using a free tetrahedral mesh.
7. The COMSOL-based photovoltaic panel surface area ash simulation analysis method according to claim 5, wherein the photovoltaic panel surface area ash amount is:
Figure QLYQS_1
wherein ,
Figure QLYQS_2
for the time coefficient>
Figure QLYQS_3
For the mass of individual dirt particles, +.>
Figure QLYQS_4
For the total number of contaminant particle deposits on the photovoltaic panel surface,
Figure QLYQS_5
for the simulation time of gray scale->
Figure QLYQS_6
For natural gray scale, ->
Figure QLYQS_7
Is the total surface area of the photovoltaic panel.
8. A COMSOL-based photovoltaic panel surface area ash simulation analysis system, comprising:
the construction module is used for constructing a three-dimensional model of the photovoltaic panel by utilizing COMSOL simulation software;
the particle adding module is used for adding particles outside the three-dimensional photovoltaic panel model to obtain a photovoltaic panel model with dust deposit on the surface;
and the calculating and analyzing module is used for adding an air flow field to the photovoltaic panel model with the dust deposit on the surface so as to calculate the dust amount of the surface area of the photovoltaic panel under a preset factor and analyze the change condition of the dust of the surface area of the photovoltaic panel.
9. A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the COMSOL-based photovoltaic panel surface area ash simulation analysis method according to any of claims 1-7 when executing the computer program.
10. A non-transitory computer readable storage medium having stored thereon a computer program, wherein the computer program when executed by a processor implements the COMSOL-based photovoltaic panel surface area ash simulation analysis method according to any of claims 1-7.
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