CN104657562B - A kind of Duct design method of the high/low temperature operating room of the Cloud Server of golf calorific value - Google Patents
A kind of Duct design method of the high/low temperature operating room of the Cloud Server of golf calorific value Download PDFInfo
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- CN104657562B CN104657562B CN201510103994.4A CN201510103994A CN104657562B CN 104657562 B CN104657562 B CN 104657562B CN 201510103994 A CN201510103994 A CN 201510103994A CN 104657562 B CN104657562 B CN 104657562B
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- 238000013461 design Methods 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000003068 static effect Effects 0.000 claims abstract description 12
- 230000003750 conditioning effect Effects 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000007664 blowing Methods 0.000 claims description 5
- 238000004088 simulation Methods 0.000 claims description 3
- 230000033228 biological regulation Effects 0.000 claims description 2
- 238000005057 refrigeration Methods 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 5
- 239000011324 bead Substances 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 7
- 125000004122 cyclic group Chemical group 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 238000005119 centrifugation Methods 0.000 description 2
- 238000013401 experimental design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
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Abstract
The present invention provides a kind of Duct design method of the high/low temperature operating room of the Cloud Server of golf calorific value, it is related to Cloud Server and carries out thermocycling technology, its mechanism size to server, air channel wind flow, the perforated area of deep bead, the specifications parameter etc. of blower fan are calculated, the method for proposing Duct design, the translatory slides for emulating perforate according to wind flow field make the control of air path system static pressure disclosure satisfy that the pressure value of air quantity by adjustment work room air outlet and the size of return air inlet air holes.Low temperature chamber uses the design method in three air channels, and there are air-supply up and down, top supplying air and indoor left and right air-supply in three air channels compared to two air channels, and have more the separator face that one side adjusts wind speed, are easier to realize strict technical indicator.
Description
Technical field
The present invention relates to Cloud Server to carry out thermocycling technology, more particularly to a kind of Cloud Server of golf calorific value
The Duct design method of high/low temperature operating room.
Background technology
With the fast development of cloud computing technology, Cloud Server arises at the historic moment.Cloud Server is realized by hardware polymerization
Calculate, store, the modularization of network, radiating, power supply, the centralization of management.Architecture based on Cloud Server, it can design
Rich and varied node and configuration, therefore, Cloud Server, which has, calculates that density is high, storage density is high, volume is big, caloric value is big
Feature.In order to scientific validation Cloud Server heat dissipation design, it is necessary to design the height of a Cloud Server for meeting golf calorific value
Warm cyclic damp heat test room.
Cloud Server is whole machine cabinet integrated design, contains the rack, redundancy AC power supplies, radiation air of 42U height
Module, 32 server nodes, 3 48 mouthfuls of Ethernet switches etc. are fanned, the appearance and size of Cloud Server is larger.
Size when Cloud Server is without outer packing：
600 mm W（It is wide）× 1200 mm D（It is deep）× 2500mm H（It is high）
Size when Cloud Server is with outer packing：
1000 mm W（It is wide）× 1400 mm D（It is deep）× 2550mm H（It is high）
Single server maximum load power is 15KW, while places two-server, altogether 30KW.30KW power supplies are negative
Carry, 100% is used to generate heat, i.e. 30KW caloric value.
Server node in rack is taken horizontal positioned, and cold wind is from anterior air intake, by the CPU of heating, internal memory, hard
Disk, mainboard etc., hot blast is from rear portion air-out.In order to meet the radiating needs of Cloud Server node, Cloud Server is configured with fan and entered
Sector-style is cold.The fan of Cloud Server 33 140mm x 140mm x 38mm specifications of maximum configured is often covered, air circulation is more than
20400CMH（When cubic meter is per）.
Cloud Server volume is big, and caloric value is big, and wind flow is big, in order to carry out high/low temperature Alternate hot and humid examination to Cloud Server
Test, it is necessary to design a large-scale operating room, 2500mm W（It is wide）×3000mm D（It is deep）×3000mm H（It is high）, Ke Yitong
When be put into two Cloud Servers and tested.
The content of the invention
In order to solve the problem, this paper presents a kind of air channel of the high/low temperature operating room of the Cloud Server of golf calorific value to set
Meter method.
The method is a kind of Duct design method that thermocycling is carried out to golf calorific value and big wind flow Cloud Server.
Its mechanism size to server, air channel wind flow, the perforated area of deep bead, the specifications parameter etc. of blower fan are calculated,
The method for proposing Duct design.
In order to realize the requirement of 0.5m/s ~ 1.7m/s wind speed in the uniform and trial zone of wind flow field, height greenhouse uses three
There are air-supply up and down, top supplying air and indoor left and right air-supply in the design method in air channel, three air channels, and have more compared to two air channels
The separator face of wind speed is simultaneously adjusted, is easier to realize strict technical indicator.
Take three Duct designs, it is ensured that the wind speed around test specimen is 0.5m/s ~ 1.7m/s, and tested product exists
Under various loading conditions（Static own load and maximum heating output quantity 30KW）, each node layer of Cloud Server rack enters
Draught temperature has good uniformity, and in server front portion, air intake vent 100mm remote locations measure, and temperature deviation≤±
3℃（Band load, normal pressure, stable state）, flow through in indoor different zones by the steady air current around trial product.
Selection including Duct design blower fan model, the regulation of air path system static pressure, operating room's air intake vent and air-out open area
Determination, temperature conditioning chamber section depth D determination, blow cross-sectional width determination；Mechanism and bag according to tested model machine
Size is filled, it is determined that the size and volume in height greenhouse；Radiating mode, wind flow size according to tested model machine, are determined
The refrigeration modes and blower fan wind flow size in height greenhouse, and to realize the Duct design phase of height greenhouse and tested model machine
Matching.
The selection of Duct design blower fan model：
A, 30KW, air quantity 20400m3/h are exported according to heating, by V=3.6W × T/ (1.29 × C × Δ t)
4.0835 DEG C of Δ t ≈ can be obtained
In formula：
V --- air mass flow, m3/h
T --- the time, take 1 hour
C --- specific heat, 1.005kJ/kg × DEG C
Δ t --- operating room's air-out and the return air temperature difference（Load air inlet and the air outlet temperature difference）
It is required that air quantity>20400m3/h, therefore Δ t=4.0 DEG C are taken, obtain：
V=3.6W×T/(1.29×C×Δt)=3.6×30000×1/(1.29×1.005×4)
≈20826m3/h>20400m³/h；
B, blower fan is chosen：
By air quantity ∑ V >=V=20826m3/ h, choosing：Pressed in 6 multiple wing blade insertings（About 800pa）Centrifugal wind wheel,
Φ 300mm, wind wheel height 200mm, the m of air quantity 40003/h；Power of motor 1200W, rotating speed 1440r/m.
Total blast volume ∑ V=4000m3/h×6=24000m3/ h ＞ 20826m3/h。
Air path system static pressure is adjusted：
Pass through adjustment work room air outlet and return air inlet air holes using according to the translatory slides of wind flow field analog simulation perforate
Size, make air path system static pressure control disclosure satisfy that the pressure value of air quantity.
Operating room's air intake vent and the determination of air-out open area：
It is required that operating room's wind speed≤1.7m/s, by ∑ V=24000m3/ h=S × 1.7m/s × 3600s is obtained：
Smin=24000/(3600×1.7) ≈3.92m2
Operating room or so real area is：Deep 3m × high 3m=9m2
Then：Left and right inlet and outlet aerofoil smallest aperture rate is：3.92/9=43.56%；
Temperature conditioning chamber section depth D determination：
It is 5m/s to take duct velocity,
By ∑ V=24000m3/ h=S × 5m/s × 3600s is obtained：
S≈1.33m2, then：
Temperature conditioning chamber section depth D=S/W ≈ 0.45m, i.e.,
Temperature conditioning chamber section depth D is designed as 0.45m；
The determination of air-supply cross-sectional width：
Because sensor is in left air path air outlet, the wind speed that humidity sensor is skimmed in GB150.9A-2009 requirements is more than
4.6m/s, by ∑ V=24000m3/ h=air-supply sectional area S × 4.6m/s × 3600s is obtained：
S≈1.45m2, that is, cross-sectional width of blowing is up to 1.45/3 ≈ 0.48m, and wind wheel is highly 200mm,
So it is 0.3m to fetch and deliver wind cross-sectional width.
This patent is mainly analyzed and calculated to the caloric value of Cloud Server, it is proposed that one kind is directed to golf calorific value cloud
The design method of the high/low temperature cyclic damp heat test room of server product, can promote the use of similar golf calorific value server product
Experimental design in.To 30KW golf calorific values and there is 20400CMH（Cubic meter is per hour）Cloud Server carries out thermocycling
Required air channel, blower fan and the packing free ratio that keeps out the wind etc. have carried out scientific and reasonable calculating and realization, can meet the examination of Cloud Server
Test technical requirements.
Brief description of the drawings
Fig. 1 is the schematic diagram in three air channels.
Fig. 2 is the P-Q performance charts of blower fan.
Fig. 3 is the top view of centrifugation blade.
Fig. 4 is the side view of centrifugation blade.
Embodiment
More detailed elaboration is carried out to present disclosure below：
1st, the selection of Duct design blower fan model：
By user's requirement：Air circulation is more than 12000CFM（Every point of cubic inch）Or 20400CMH（Cubic meter is every
When）, work indoor air velocity≤1.7m/s；Tested product is in various load conditions（Static own load+maximum heating
Output quantity 30KW）, the air intake vent temperature of each node layer of Cloud Server rack has good uniformity, enters in server front portion
Air port 100mm remote locations measure, it is desirable to temperature deviation≤± 3 DEG C（Band load, normal pressure, stable state）, flow through and be in
Indoor different zones by the steady air current around trial product；
A, 30KW, air quantity 20400m3/h are exported according to heating, by V=3.6W × T/ (1.29 × C × Δ t)
4.0835 DEG C of Δ t ≈ can be obtained
In formula：
V --- air mass flow, m3/h
T --- the time, take 1 hour
C --- specific heat, 1.005kJ/kg × DEG C
Δ t --- operating room's air-out and the return air temperature difference（Load air inlet and the air outlet temperature difference）
It is required that air quantity>20400m3/h, therefore Δ t=4.0 DEG C are taken, obtain：
V=3.6W×T/(1.29×C×Δt)=3.6×30000×1/(1.29×1.005×4)
≈20826m3/h>20400m³/h
B, blower fan is chosen：
By air quantity ∑ V >=V=20826m3/ h, choosing：Pressed in 6 multiple wing blade insertings（About 800pa）Centrifugal wind wheel,
Φ 300mm, wind wheel height 200mm, the m of air quantity 40003/h；Power of motor 1200W, rotating speed 1440r/m；
Total blast volume ∑ V=4000m3/h×6=24000m3/ h ＞ 20826m3/h；
C, the P-Q performance curves of blower fan：As shown in Figure 2.
2nd, air path system static pressure is adjusted：
Using according to wind flow field analog simulation perforate（Size is the same, but is spaced not necessarily identical）Translatory slides pass through tune
Operating room's air outlet and the size of return air inlet air holes are saved, the control of air path system static pressure is being disclosure satisfy that the pressure value of air quantity.
3rd, operating room's air intake vent and the determination of air-out open area：
It is required that operating room's wind speed≤1.7m/s, by ∑ V=24000m3/ h=S × 1.7m/s × 3600s is obtained：
Smin=24000/(3600×1.7) ≈3.92m2
Operating room or so real area is：Deep 3m × high 3m=9m2
Then：Left and right inlet and outlet aerofoil smallest aperture rate is：3.92/9=43.56%.
4th, temperature conditioning chamber's section depth D determination（Width W is 3m）：
Particularity and requirement due to this case load, to ensure that the wind speed for skimming over evaporator is higher, make evaporator certain
Area in accelerate heat exchange efficiency, it is 5m/s to take duct velocity.（It is 2m/s to be commonly designed parameter, and fast temperature change, which is selected, is
5m/s.）
By ∑ V=24000m3/ h=S × 5m/s × 3600s is obtained：
S≈1.33m2, then：
Temperature conditioning chamber section depth D=S/W ≈ 0.45m, i.e.,
Temperature conditioning chamber section depth D is designed as 0.45m.
5th, the determination of air-supply cross-sectional width：
Because sensor is in left air path air outlet, the wind speed that humidity sensor is skimmed in GB150.9A-2009 requirements is more than
4.6m/s, by ∑ V=24000m3/ h=air-supply sectional area S × 4.6m/s × 3600s is obtained：
S≈1.45m2, that is, cross-sectional width of blowing is up to 1.45/3 ≈ 0.48m, and wind wheel is highly 200mm,
So it is 0.3m to fetch and deliver wind cross-sectional width.
In order to realize the requirement of 0.5m/s ~ 1.7m/s wind speed in the uniform and trial zone of wind flow field, height greenhouse uses three
The design method in air channel, the mark in air channel one, two, three in detail as shown in Figure 1.Three air channels have and sent up and down compared to two air channels
Wind, top supplying air and indoor left and right air-supply, and the separator face that one side adjusts wind speed is had more, it is easier to realize that strict technology refers to
Mark.
This patent proposes a kind of for golf calorific value and the wind of the thermocycling room of big wind flow Cloud Server product
Road design method, in the experimental design that similar golf calorific value server product can be promoted the use of.Cloud Server maximum can be met
30KW caloric values and maximum 20400CMH（When cubic meter is per）The high/low temperature cyclic damp heat test requirement of wind flow.
Take three Duct designs, it is ensured that the wind speed around test specimen is 0.5m/s ~ 1.7m/s, and tested product exists
Under various loading conditions（Static own load and maximum heating output quantity 30KW）, each node layer of Cloud Server rack enters
Draught temperature has good uniformity, and in server front portion, air intake vent 100mm remote locations measure, and temperature deviation≤±
3℃（Band load, normal pressure, stable state）, flow through in indoor different zones by the steady air current around trial product.
Claims (6)
- A kind of 1. Duct design method of the high/low temperature operating room of the Cloud Server of golf calorific value, it is characterised in that using three wind Road, there are air-supply up and down, top supplying air and indoor left and right air-supply, and have more the separator face that one side adjusts wind speed；According to the mechanism and Package size of tested model machine, it is determined that the size and volume in height greenhouse；According to tested model machine Radiating mode, wind flow size, are determined the refrigeration modes and blower fan wind flow size in height greenhouse, and to realize height The Duct design of greenhouse and tested model machine matches, including Duct design blower fan model selection, air path system static pressure regulation, Operating room's air intake vent and the determination of air-out open area, temperature conditioning chamber section depth D determination, the determination for cross-sectional width of blowing.
- 2. according to the method for claim 1, it is characterised in that the selection of Duct design blower fan model：A, 30KW, air quantity 20400m3/h are exported according to heating, by V=3.6W × T/ (1.29 × C × Δ t)4.0835 DEG C of Δ t ≈ can be obtainedIn formula：V --- air mass flow, m3/hT --- the time, take 1 hourC --- specific heat, 1.005kJ/kg × DEG CΔ t --- operating room's air-out loads air inlet and the air outlet temperature difference with the return air temperature differenceIt is required that air quantity>20400m3/h, therefore Δ t=4.0 DEG C are taken, obtain：V=3.6W×T/(1.29×C×Δt)=3.6×30000×1/(1.29×1.005×4)≈20826m3/h>20400m³/h；B, blower fan is chosen：By air quantity ∑ V >=V=20826m3/ h, choosing：In 6 multiple wing blade inserting 800pa press centrifugal wind wheel,Φ 300mm, wind wheel height 200mm, the m of air quantity 40003/h；Power of motor 1200W, rotating speed 1440r/m；Total blast volume ∑ V=4000m3/h×6=24000m3/ h ＞ 20826m3/h。
- 3. according to the method for claim 1, it is characterised in that air path system static pressure is adjusted：Pass through the big of adjustment work room air outlet and return air inlet air holes using the translatory slides according to wind flow field analog simulation perforate It is small, the control of air path system static pressure is being disclosure satisfy that the pressure value of air quantity.
- 4. according to the method for claim 1, it is characterised in that operating room's air intake vent and the determination of air-out open area：It is required that operating room's wind speed≤1.7m/s, by ∑ V=24000m3/ h=S × 1.7m/s × 3600s is obtained：Smin=24000/(3600×1.7) ≈3.92m2Operating room or so real area is：Deep 3m × high 3m=9m2Then：Left and right inlet and outlet aerofoil smallest aperture rate is：3.92/9=43.56%.
- 5. according to the method for claim 1, it is characterised in that temperature conditioning chamber section depth D determination：It is 5m/s to take duct velocity,By ∑ V=24000m3/ h=S × 5m/s × 3600s is obtained：S≈1.33m2, then：Temperature conditioning chamber section depth D=S/W ≈ 0.45m, i.e.,Temperature conditioning chamber section depth D is designed as 0.45m.
- 6. according to the method for claim 1, it is characterised in that the determination for cross-sectional width of blowing：Because sensor is in left air path air outlet, the wind speed that humidity sensor is skimmed in GB150.9A-2009 requirements is more than 4.6m/ S, by ∑ V=24000m3/ h=air-supply sectional area S × 4.6m/s × 3600s is obtained：S≈1.45m2, that is, cross-sectional width of blowing is up to 1.45/3 ≈ 0.48m, and wind wheel is highly 200mm,So it is 0.3m to fetch and deliver wind cross-sectional width.
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2015
- 2015-03-10 CN CN201510103994.4A patent/CN104657562B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201427051Y (en) * | 2009-04-03 | 2010-03-24 | 重庆哈丁科技有限公司 | High and low temperature test box having uniform air supply |
| CN201482495U (en) * | 2009-05-26 | 2010-05-26 | 深圳市大稳科技有限公司 | Test chamber capable of changing wind directions |
| CN201744357U (en) * | 2010-08-05 | 2011-02-16 | 多禾试验设备(上海)有限公司 | High and low temperature alternating temperature humidity test chamber |
| CN102494426A (en) * | 2011-12-02 | 2012-06-13 | 中科赛凌（北京）科技有限公司 | Temperature test chamber with back-heating type multi-component refrigerant mixture throttling and refrigerating system |
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Effective date of registration: 20180806 Address after: 250100 S06 tower, 1036, Chao Lu Road, hi tech Zone, Ji'nan, Shandong. Patentee after: Shandong wave cloud Mdt InfoTech Ltd Address before: No. 1036, Shandong high tech Zone wave road, Ji'nan, Shandong Patentee before: Inspur Group Co., Ltd. |
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Address after: 250100 No. 1036 Tidal Road, Jinan High-tech Zone, Shandong Province, S01 Building, Tidal Science Park Patentee after: Inspur cloud Information Technology Co., Ltd Address before: 250100 Ji'nan science and technology zone, Shandong high tide Road, No. 1036 wave of science and Technology Park, building S06 Patentee before: SHANDONG LANGCHAO YUNTOU INFORMATION TECHNOLOGY Co.,Ltd. |