CN107506516A - A kind of communications equipment room flow field model is established and analysis method and system - Google Patents
A kind of communications equipment room flow field model is established and analysis method and system Download PDFInfo
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- CN107506516A CN107506516A CN201710537068.7A CN201710537068A CN107506516A CN 107506516 A CN107506516 A CN 107506516A CN 201710537068 A CN201710537068 A CN 201710537068A CN 107506516 A CN107506516 A CN 107506516A
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Abstract
Established the invention discloses a kind of communications equipment room flow field model includes with analysis method and system, the realization of wherein method：Establish the threedimensional model of communications equipment room；The threedimensional model of communications equipment room is divided using tetrahedral grid type, obtains unstructured grid；The boundary types of the metope of communications equipment room and communications equipment room frame surface are set to wall, the boundary types of the air conditioner air outlet of communications equipment room are set to speed import；Based on unstructured grid, from k ε turbulence models, calculated since speed import, after iteration n times, obtain temperature field and the velocity field of communications equipment room, communications equipment room flow field model is established using the temperature field and velocity field of communications equipment room；Using communications equipment room flow field model, the various working of communications equipment room is analyzed, formulates communication equipment room energy-conserving scheme.The present invention can reduce the operating cost of communications equipment room, analyze communications equipment room flow fields environment comprehensively, formulates computer room energy-saving scheme and improve Energy Saving Control accuracy.
Description
Technical field
The invention belongs to Computer Simulation field, establishes and analyzes more particularly, to a kind of communications equipment room flow field model
Method and system.
Background technology
With the fast development of communications industry, the power saving of communications equipment room causes common concern.The equipment of communications equipment room
Need normally could enduringly run under certain temperature environment, the temperature of computer room is adjusted mainly by air-conditioning at present, often
Year constant temperature constant speed is continuously run, and causes substantial amounts of energy resource consumption.Energy-saving monitoring is carried out to communications equipment room, temperature is an important finger
Mark, and Temperature numerical is time-varying, coupling.
The flow field model of communications equipment room is established at present and analysis relies primarily on the data of sensor collection, it is necessary in computer room
Substantial amounts of sensor, labor intensive material resources are arranged, and can only obtain the information of several points, can not obtain detailed and intuitively flow
Field information.
As can be seen here, the flow field model of existing communications equipment room is established and analyzed to exist and is difficult to analyze communications equipment room stream comprehensively
Field environment, the technical problem that computer room energy-saving scheme and Energy Saving Control inaccuracy can not be formulated.
The content of the invention
For the disadvantages described above or Improvement requirement of prior art, the invention provides a kind of foundation of communications equipment room flow field model
With analysis method and system, the flow field model for thus solving existing communications equipment room is established and analysis is logical in the presence of analysis comprehensively is difficult to
Letter computer room flow fields environment, the technical problem that computer room energy-saving scheme and Energy Saving Control inaccuracy can not be formulated.
To achieve the above object, according to one aspect of the present invention, there is provided a kind of communications equipment room flow field model establish with
Analysis method, including：
(1) threedimensional model of communications equipment room is established according to the thermal source distribution in communications equipment room shelf layout and communications equipment room,
The air conditioner air outlet of metope of the threedimensional model of communications equipment room including communications equipment room, communications equipment room frame and communications equipment room；
(2) threedimensional model of communications equipment room is divided using tetrahedral grid type, obtains unstructured grid；
(3) boundary types of the metope of communications equipment room and communications equipment room frame surface are set to wall, by communications equipment room
The boundary types of air conditioner air outlet are set to speed import；
(4) unstructured grid is based on, from k- ε turbulence models, calculates since speed import, after iteration n times, obtains
The temperature field of communications equipment room and velocity field, communications equipment room flow field model is established using the temperature field and velocity field of communications equipment room；
(5) communications equipment room flow field model is utilized, the various working of communications equipment room is analyzed, formulates communication equipment room energy-conserving
Scheme.
Further, k- ε turbulence models are k- ε turbulence models, RNG k- ε turbulence models and the achievable k- ε of standard
Any one in turbulence model.
Preferably, k- ε turbulence models are the k- ε turbulence models of standard, and it is in greenhouse engineering research than RNG k- ε turbulent flows
Model and achievable k- ε turbulence model calculation errors are lower.
Further, the specific implementation of step (2) is：
The threedimensional model of communications equipment room is divided using tetrahedral grid type, communications equipment room frame surface is to surrounding
Size of mesh opening from dense to sparse, when the off square rate of 80%-100% grid is less than threshold value, obtain unstructured grid.
Further, the specific implementation of step (4) is：
Based on carry out smoothly and exchange handle after unstructured grid, set more mesh parameters, relaxation factor and discrete
Change parameter, from k- ε turbulence models, calculated since speed import, after iteration n times, obtain temperature field and the speed of communications equipment room
Field is spent, communications equipment room flow field model is established using the temperature field and velocity field of communications equipment room.
Further, the specific implementation of step (5) is：
When analyzing the various working of communications equipment room, by setting the different air conditioner air outlet wind speed of communications equipment room,
Using communications equipment room flow field model, influence of the different air conditioner air outlet wind speed to temperature field and wind speed field is analyzed, is obtained optimal
The air conditioner air outlet wind speed of communications equipment room, by setting the different air-conditioning of communications equipment room to be laid out, using communications equipment room flow field model,
Influence of the different air-conditioning layouts to temperature field and wind speed field is analyzed, the air-conditioning layout of optimal communication computer room is obtained, passes through setting
The different shelf layout of communications equipment room, using communications equipment room flow field model, different shelf layouts is analyzed to temperature field and wind speed
Influence, the shelf layout of optimal communication computer room is obtained, by setting the different air-conditioning angle of communications equipment room, using logical
Believe computer room flow field model, analyze influence of the different air-conditioning angles to temperature field and wind speed field, it is best to obtain cooling-down effect
Wind direction, formulate communication equipment room energy-conserving scheme.
It is another aspect of this invention to provide that a kind of communications equipment room flow field model foundation and analysis system are provided, including：
Three-dimension modeling module, it is logical for being established according to the thermal source distribution in communications equipment room shelf layout and communications equipment room
Believe the threedimensional model of computer room, the threedimensional model of communications equipment room includes metope, communications equipment room frame and the communications equipment room of communications equipment room
Air conditioner air outlet；
Mesh generation module, for being divided using tetrahedral grid type to the threedimensional model of communications equipment room, obtain
Unstructured grid；
Boundary types setup module, for the boundary types of the metope of communications equipment room and communications equipment room frame surface to be set to
Wall, the boundary types of the air conditioner air outlet of communications equipment room are set to speed import；
Flow field model establishes module, for based on unstructured grid, from k- ε turbulence models, since speed import
Calculate, after iteration n times, obtain temperature field and the velocity field of communications equipment room, established using the temperature field of communications equipment room and velocity field
Communications equipment room flow field model；
Flow field analysis module, for utilizing communications equipment room flow field model, the various working of communications equipment room is analyzed, made
Determine communication equipment room energy-conserving scheme.
Further, k- ε turbulence models are k- ε turbulence models, RNG k- ε turbulence models and the achievable k- ε of standard
Any one in turbulence model.
Preferably, k- ε turbulence models are the k- ε turbulence models of standard, and it is in greenhouse engineering research than RNG k- ε turbulent flows
Model and achievable k- ε turbulence model calculation errors are lower.
Further, the specific implementation of mesh generation module is：
The threedimensional model of communications equipment room is divided using tetrahedral grid type, communications equipment room frame surface is to surrounding
Size of mesh opening from dense to sparse, when the off square rate of 80%-100% grid is less than threshold value, obtain unstructured grid.
Further, the specific implementation that flow field model establishes module is：
Based on carry out smoothly and exchange handle after unstructured grid, set more mesh parameters, relaxation factor and discrete
Change parameter, from k- ε turbulence models, calculated since speed import, after iteration n times, obtain temperature field and the speed of communications equipment room
Field is spent, communications equipment room flow field model is established using the temperature field and velocity field of communications equipment room.
Further, the specific implementation of flow field analysis module is：
When analyzing the various working of communications equipment room, the different air conditioner air outlet wind speed of communications equipment room is set, utilized
Communications equipment room flow field model, influence of the different air conditioner air outlet wind speed to temperature field and wind speed field is analyzed, obtains optimal communication
The air conditioner air outlet wind speed of computer room, by setting the different air-conditioning of communications equipment room to be laid out, utilize communications equipment room flow field model, analysis
Different air-conditionings is laid out the influence to temperature field and wind speed field, obtains the air-conditioning layout of optimal communication computer room, is communicated by setting
The different shelf layout of computer room, using communications equipment room flow field model, different shelf layouts is analyzed to temperature field and wind speed field
Influence, obtain the shelf layout of optimal communication computer room, by setting the different air-conditioning angle of communications equipment room, utilize communication equipment
Room flow field model, influence of the different air-conditioning angles to temperature field and wind speed field is analyzed, obtain that cooling-down effect is best to be sent
Wind angle, formulate communication equipment room energy-conserving scheme.
In general, by the contemplated above technical scheme of the present invention compared with prior art, it can obtain down and show
Beneficial effect：
(1) threedimensional model of the invention by establishing communications equipment room, divides to the threedimensional model of communications equipment room, sets
Boundary types, and then temperature field and the velocity field of communications equipment room is calculated, temperature field and velocity field using communications equipment room, energy
It is enough correctly and efficiently to establish communications equipment room flow field model；Computer room flow fields environment is analyzed, passes through temperature field, velocity field under various working
Comparative analysis, can reduce communications equipment room operating cost, comprehensively analysis communications equipment room flow fields environment, formulate computer room energy-saving square
Case and raising Energy Saving Control accuracy.
(2) preferably, the present invention obtains unstructured grid, to non-knot when the off square rate of grid is less than threshold value
Structure grid carries out smooth and exchange processing, improves mesh quality, ensure that the quality of unstructured grid.
(3) preferably, when analyzing the various working of communications equipment room, sent by the air-conditioning for setting communications equipment room different
Air port wind speed, the air conditioner air outlet wind speed of optimal communication computer room is obtained, by setting the different air-conditioning of communications equipment room to be laid out, obtained
The air-conditioning layout of optimal communication computer room, by setting the different shelf layout of communications equipment room, obtains the frame of optimal communication computer room
Layout, by setting the different air-conditioning angle of communications equipment room, the best wind direction of cooling-down effect is obtained, formulates communication equipment
Room energy-saving scheme, reach the purpose of cooling to consume the minimum energy.
Brief description of the drawings
Fig. 1 is that a kind of communications equipment room flow field model provided in an embodiment of the present invention is established and the signal of the flow of analysis method
Figure；
Fig. 2 is the computer room threedimensional model schematic diagram that the embodiment of the present invention 1 provides；
Fig. 3 is the computer room threedimensional model unstructured grid division partial schematic diagram that the embodiment of the present invention 1 provides；
Fig. 4 is the temperature field figure that the wind speed that the embodiment of the present invention 1 provides is 3.5m/s；
Fig. 5 is the temperature field figure that the wind speed that the embodiment of the present invention 1 provides is 4m/s.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.As long as in addition, technical characteristic involved in each embodiment of invention described below
Conflict can is not formed each other to be mutually combined.
As shown in figure 1, a kind of communications equipment room flow field model is established and analysis method, including：
(1) threedimensional model of communications equipment room is established according to the thermal source distribution in communications equipment room shelf layout and communications equipment room；
(2) threedimensional model of communications equipment room is divided using tetrahedral grid type, obtains unstructured grid；
(3) boundary types of the metope of communications equipment room and communications equipment room frame surface are set to wall, by communications equipment room
The boundary types of air conditioner air outlet are set to speed import；
(4) unstructured grid is based on, from k- ε turbulence models, calculates since speed import, after iteration n times, obtains
The temperature field of communications equipment room and velocity field, communications equipment room flow field model is established using the temperature field and velocity field of communications equipment room；
(5) communications equipment room flow field model is utilized, the various working of communications equipment room is analyzed, formulates communication equipment room energy-conserving
Scheme.
Embodiment 1
A kind of communications equipment room flow field model is established and analysis method, including：
(1) as shown in Fig. 2 establishing 40m × 15m × 3m communications equipment room threedimensional model by Gambit softwares, computer room is common
There are 6 faces, the air-conditioner air outlet for the frame, 10 independent control temperature and wind speed of being communicated comprising 5 rows；
(2) as shown in figure 3, mainly being drawn using tetrahedron (triangular pyramid) trellis-type to communications equipment room threedimensional model
Point, size of mesh opening from communication frame surface to surrounding from dense to sparse, obtain unstructured grid, consider that calculator memory resource is filled
Divide utilization and operational efficiency problem, the quantity of grid can be suitably reduced in the case of mesh generation quality height, it is preferred that most
Grid spacing is set to 500mm afterwards, divides 92943 grid cells altogether, mesh quality enters according to tetrahedral grid angle torsion resistance
Row control, wherein the off square rate of 80%-100% grids represent that mesh quality is preferable, division result is effective in 0-0.5；
(3) boundary types in 6 faces of computer room and frame surface are set to wall, the heat flux numerical value of frame takes it always to send out
The ratio between heat and cooling surface area；The boundary types of air conditioner air outlet are set to speed import, and 10 air-conditionings are set into different
Temperature (291K-298K), the coordination control of air conditioner in machine room can be embodied, is tallied with the actual situation, under air-conditioning angle is oblique
45 °, speed has two kinds of operating modes of 3.5m/s and 4m/s, and Flow Field Distribution under two kinds of operating modes is analyzed with this.
(4) based on carry out smoothly and exchange handle after unstructured grid, set more mesh parameters, relaxation factor and from
Dispersion parameter, from energy equation and the k- ε turbulence models of standard, solid (frame) type is arranged to aluminium alloy, fluid type
Air is arranged to, is calculated since speed import, the value of more mesh parameters, relaxation factor and other flow parameters is set
It is fixed, solving equations are carried out using SIMPLE (half implicit connection pressure equation) algorithm；After iteration n times, communications equipment room is obtained
Temperature field and velocity field, communications equipment room flow field model is established using the temperature field and velocity field of communications equipment room.
(5) air conditioner air outlet speed is respectively set to two kinds of operating modes of 3.5m/s and 4m/s, chooses the temperature of different cross section
Field figure is analyzed.As shown in Figures 4 and 5, found by contrasting, by taking the section away from ground 1.5m as an example, air-conditioning 4m/s's
Wind speed of the wind speed with respect to 3.5m/s can't carry out too significant effect to computer room cooling band, so computer room is ensureing proper temperature
In the case of can suitably reduce wind speed, to reduce the consumption of electric energy.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to
The limitation present invention, all any modification, equivalent and improvement made within the spirit and principles of the invention etc., all should be included
Within protection scope of the present invention.
Claims (10)
1. a kind of communications equipment room flow field model is established and analysis method, it is characterised in that including：
(1) threedimensional model of communications equipment room, communication are established according to the thermal source distribution in communications equipment room shelf layout and communications equipment room
The air conditioner air outlet of metope of the threedimensional model of computer room including communications equipment room, communications equipment room frame and communications equipment room；
(2) threedimensional model of communications equipment room is divided using tetrahedral grid type, obtains unstructured grid；
(3) boundary types of the metope of communications equipment room and communications equipment room frame surface are set to wall, by the air-conditioning of communications equipment room
The boundary types of air outlet are set to speed import；
(4) unstructured grid is based on, from k- ε turbulence models, calculates since speed import, after iteration n times, is communicated
The temperature field of computer room and velocity field, communications equipment room flow field model is established using the temperature field and velocity field of communications equipment room；
(5) communications equipment room flow field model is utilized, the various working of communications equipment room is analyzed, formulates communication equipment room energy-conserving side
Case.
2. a kind of communications equipment room flow field model as claimed in claim 1 is established and analysis method, it is characterised in that the k- ε
Turbulence model is any one in the k- ε turbulence models, RNG k- ε turbulence models and achievable k- ε turbulence models of standard.
3. a kind of communications equipment room flow field model as claimed in claim 1 or 2 is established and analysis method, it is characterised in that described
The specific implementation of step (2) is：
The threedimensional model of communications equipment room is divided using tetrahedral grid type, net of the communications equipment room frame surface to surrounding
Lattice size from dense to sparse, when the off square rate of 80%-100% grid is less than threshold value, obtains unstructured grid.
4. a kind of communications equipment room flow field model as claimed in claim 1 or 2 is established and analysis method, it is characterised in that described
The specific implementation of step (4) is：
Based on the unstructured grid after smooth and exchange is handled is carried out, more mesh parameters, relaxation factor and discretization ginseng are set
Number, from k- ε turbulence models, calculates since speed import, after iteration n times, obtains temperature field and the velocity field of communications equipment room,
Communications equipment room flow field model is established using the temperature field and velocity field of communications equipment room.
5. a kind of communications equipment room flow field model as claimed in claim 1 or 2 is established and analysis method, it is characterised in that described
The specific implementation of step (5) is：
When analyzing the various working of communications equipment room, by setting the different air conditioner air outlet wind speed of communications equipment room, utilize
Communications equipment room flow field model, influence of the different air conditioner air outlet wind speed to temperature field and wind speed field is analyzed, obtains optimal communication
The air conditioner air outlet wind speed of computer room, by setting the different air-conditioning of communications equipment room to be laid out, utilize communications equipment room flow field model, analysis
Different air-conditionings is laid out the influence to temperature field and wind speed field, obtains the air-conditioning layout of optimal communication computer room, is communicated by setting
The different shelf layout of computer room, using communications equipment room flow field model, different shelf layouts is analyzed to temperature field and wind speed field
Influence, obtain the shelf layout of optimal communication computer room, by setting the different air-conditioning angle of communications equipment room, utilize communication equipment
Room flow field model, influence of the different air-conditioning angles to temperature field and wind speed field is analyzed, obtain that cooling-down effect is best to be sent
Wind angle, formulate communication equipment room energy-conserving scheme.
6. a kind of communications equipment room flow field model is established and analysis system, it is characterised in that including：
Three-dimension modeling module, for establishing communication equipment according to the thermal source distribution in communications equipment room shelf layout and communications equipment room
The threedimensional model in room, the threedimensional model of communications equipment room include the sky of the metope of communications equipment room, communications equipment room frame and communications equipment room
Adjust air outlet；
Mesh generation module, for being divided using tetrahedral grid type to the threedimensional model of communications equipment room, obtain non-knot
Structure grid；
Boundary types setup module, for the boundary types of the metope of communications equipment room and communications equipment room frame surface to be set into wall
Face, the boundary types of the air conditioner air outlet of communications equipment room are set to speed import；
Flow field model establishes module, for based on unstructured grid, from k- ε turbulence models, being calculated since speed import,
After iteration n times, temperature field and the velocity field of communications equipment room are obtained, communication equipment is established using the temperature field and velocity field of communications equipment room
Room flow field model；
Flow field analysis module, for utilizing communications equipment room flow field model, the various working of communications equipment room is analyzed, formulated logical
Believe machine room energy-saving scheme.
7. a kind of communications equipment room flow field model as claimed in claim 6 is established and analysis system, it is characterised in that the k- ε
Turbulence model is any one in the k- ε turbulence models, RNG k- ε turbulence models and achievable k- ε turbulence models of standard.
8. a kind of communications equipment room flow field model as claimed in claims 6 or 7 is established and analysis system, it is characterised in that described
The specific implementation of mesh generation module is：
The threedimensional model of communications equipment room is divided using tetrahedral grid type, net of the communications equipment room frame surface to surrounding
Lattice size from dense to sparse, when the off square rate of 80%-100% grid is less than threshold value, obtains unstructured grid.
9. a kind of communications equipment room flow field model as claimed in claims 6 or 7 is established and analysis system, it is characterised in that described
The specific implementation that flow field model establishes module is：
Based on the unstructured grid after smooth and exchange is handled is carried out, more mesh parameters, relaxation factor and discretization ginseng are set
Number, from k- ε turbulence models, calculates since speed import, after iteration n times, obtains temperature field and the velocity field of communications equipment room,
Communications equipment room flow field model is established using the temperature field and velocity field of communications equipment room.
10. a kind of communications equipment room flow field model as claimed in claims 6 or 7 is established and analysis system, it is characterised in that described
The specific implementation of flow field analysis module is：
When analyzing the various working of communications equipment room, the different air conditioner air outlet wind speed of communications equipment room is set, utilizes communication
Computer room flow field model, influence of the different air conditioner air outlet wind speed to temperature field and wind speed field is analyzed, obtains optimal communication computer room
Air conditioner air outlet wind speed, by setting the different air-conditioning of communications equipment room to be laid out, utilize communications equipment room flow field model, analysis is different
Air-conditioning be laid out influence to temperature field and wind speed field, the air-conditioning layout of optimal communication computer room is obtained, by setting communications equipment room
Different shelf layouts, using communications equipment room flow field model, influence of the different shelf layouts to temperature field and wind speed field is analyzed,
The shelf layout of optimal communication computer room is obtained, by setting the different air-conditioning angle of communications equipment room, utilizes communications equipment room stream
Field model, influence of the different air-conditioning angles to temperature field and wind speed field is analyzed, obtain the best air-supply angle of cooling-down effect
Degree, formulate communication equipment room energy-conserving scheme.
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| CN109948297A (en) * | 2019-04-09 | 2019-06-28 | 深圳市赛为智能股份有限公司 | Micromodule temperature field simulation method, apparatus, computer equipment and storage medium |
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| CN115875809A (en) * | 2021-09-26 | 2023-03-31 | 中国移动通信集团浙江有限公司 | Energy-saving method and device for heat exchange equipment of machine room and computer readable storage medium |
| CN115776813A (en) * | 2023-02-14 | 2023-03-10 | 南京金宁能源科技有限公司 | Efficient machine room control method and device |
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Application publication date: 20171222 |