CN107142090A - A kind of heat transmission nano-fluid, preparation method and applications - Google Patents
A kind of heat transmission nano-fluid, preparation method and applications Download PDFInfo
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- CN107142090A CN107142090A CN201710477293.6A CN201710477293A CN107142090A CN 107142090 A CN107142090 A CN 107142090A CN 201710477293 A CN201710477293 A CN 201710477293A CN 107142090 A CN107142090 A CN 107142090A
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- 239000012530 fluid Substances 0.000 title claims abstract description 53
- 230000005540 biological transmission Effects 0.000 title claims abstract description 11
- 238000002360 preparation method Methods 0.000 title claims abstract description 7
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000007788 liquid Substances 0.000 claims abstract description 20
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000002105 nanoparticle Substances 0.000 claims abstract description 16
- 239000002270 dispersing agent Substances 0.000 claims abstract description 14
- 239000010949 copper Substances 0.000 claims abstract description 13
- 239000002245 particle Substances 0.000 claims abstract description 10
- 229910052802 copper Inorganic materials 0.000 claims abstract description 9
- 239000012153 distilled water Substances 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- RCEAADKTGXTDOA-UHFFFAOYSA-N OS(O)(=O)=O.CCCCCCCCCCCC[Na] Chemical group OS(O)(=O)=O.CCCCCCCCCCCC[Na] RCEAADKTGXTDOA-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000002156 mixing Methods 0.000 claims abstract description 4
- 238000001816 cooling Methods 0.000 abstract description 7
- 238000012546 transfer Methods 0.000 description 11
- 238000009835 boiling Methods 0.000 description 4
- 230000008676 import Effects 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 2
- 239000006244 Medium Thermal Substances 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical group [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/08—Materials not undergoing a change of physical state when used
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/08—Materials not undergoing a change of physical state when used
- C09K5/10—Liquid materials
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Thermal Sciences (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Abstract
The invention discloses a kind of heat transmission nano-fluid, it is uniformly mixed by percentage by weight for 0.15-0.3% nano particle, 99.6-99.8% basal liquid and 0.05-0.1% dispersant through ultrasonic vibration；Described nano particle is the copper that particle diameter is less than 100nm；The toluene that the distilled water and percentage by weight that described basal liquid is 85% by percentage by weight are 15% is prepared by fully mixing；Described dispersant is lauryl sodium sulfate.Also disclose its preparation method and the shell for spectrometer radiates.130.5-133.2 DEG C of the boils up till of nano-fluid of the present invention at ambient pressure, the spectrometer needs of start radiating for a long time can be met, be conducive to extension spectrometer internal opticses part, the service life of electronic component, when being used cooperatively with spectrometer heat abstractor, the rate of settling is small, stability is good, and efficiency-cost ratio is high, disclosure satisfy that the cooling requirements of spectrometer start for a long time.
Description
Technical field
The invention belongs to Electronic cooling technical field, and in particular to a kind of heat transmission nano-fluid, and its preparation
Method, and for the radiating of spectrometer shell.
Background technology
Spectrometer is a kind of complicated imaging device, is integrated with high speed infrared image-forming assembly, Michelson's interferometer etc. many
The optical system of sophisticated electronics and complexity is planted, causes its internal calorific power big, instrument normal work is influenceed.Spectrometer dissipate
Heat needs occupancy inner space as few as possible, while making thermal source lowering temperature uniform.
It is currently for the higher radiating mode of spectrometer efficiency-cost ratio, traditional cooling measure to install cooling module additional in shell
Such as electric fan, electrothermal module is equivalent to be taken than relatively low, it is difficult to is tackled the radiating requirements of spectrometer long-time power-on operation, is accelerated light
Spectrometer internal opticses part, the aging of electronic component.
And the New Progresses of R ＆ D of new cooling material is slow at present, a kind of radiating efficiency height, relatively cheap drop are needed badly
Warm mode.
Nano-fluid shows good heat exchange property as a kind of new and effective heat-exchange working medium.
High-quality nano-fluid should meet following condition simultaneously：High heat conductance, low stickiness, good stability and compatibility,
And it is relatively cheap.
The radiating that the radiating module for loading high-quality nano-fluid is used for spectrometer can be filled up into lacking for existing radiating mode
Point.
The content of the invention
In order to overcome the deficiencies in the prior art, the main object of the present invention is to provide a kind of for spectrometer shell radiating skill
The Cu/H of art2O nano-fluids, this nano-fluid boiling point is higher, and mean heat transfer coefficient and thermal conductivity factor are also higher.
The technical solution adopted for the present invention to solve the technical problems is：A kind of heat transmission nano-fluid, it is by weight
Nano particle, 99.6-99.8% basal liquid and 0.05-0.1% dispersant that percentage is 0.15-0.3% are through ultrasound
Vibration is uniformly mixed；Described nano particle is the copper that particle diameter is less than 100nm；Described basal liquid is by percentage by weight
The toluene that distilled water and percentage by weight for 85% are 15% is prepared by fully mixing；Described dispersant is dodecyl sulphate
Sodium.
Weight ratio≤2 of a kind of described heat transmission nano-fluid, its dispersant and nano particle.
The second object of the present invention is to provide a kind of Cu/H2The preparation method of O nano-fluids：It is by percentage by weight first
85% distilled water and 15% toluene are sufficiently mixed obtained basal liquid, and the particle diameter of percentage by weight 0.15-0.3% is less than
100nm copper particle is added in 99.6-99.8% basal liquid, adds 0.05-0.1% lauryl sodium sulfate, it is ensured that
The weight of dispersant and weight ratio≤2 of nano particle, form uniform, stable receive after the ultrasonic vibration of 1.5-2 hours
Meter Liu Ti.
The third object of the present invention is to provide a kind of Cu/H2The shell that O nano-fluids are used for spectrometer radiates.
The beneficial effects of the invention are as follows：
1,130.5-133.2 DEG C of the boils up till of nano-fluid of the present invention at ambient pressure, can meeting spectrometer, start dissipates for a long time
Heat needs, and is conducive to extension spectrometer internal opticses part, the service life of electronic component.
2, nano fluid heat transferring efficiency high of the present invention：Mean heat transfer coefficient improves 19.6-65.8%, heat conduction than basal liquid
Coefficient ratio basal liquid improves 6.5-15.3%.
3, the nano particle diameter in nano-fluid of the present invention is small, and content is few, and intergranular collision frequency is low, helps to subtract
The small nano-fluid rate of settling, improves nano-fluid dispersion stabilization, can stablize and maintain 20-30 days.
4, nano particle, the raw material of basal liquid and dispersant in the present invention are readily available, cheap, production process
Simple and low cost, excellent cost performance has a good application prospect and industrial production potential.
5, the base soln added with toluene has good anticorrosion property.
6, when being used cooperatively with spectrometer heat abstractor, the rate of settling is small, and stability is good, and efficiency-cost ratio is high, disclosure satisfy that light
The cooling requirements of spectrometer start for a long time.
Brief description of the drawings
Fig. 1 is the boiling point of nano-fluid of the present invention；
Fig. 2 is the thermal conductivity factor of nano-fluid of the present invention at different temperatures；
Fig. 3 is mean heat transfer coefficient of this nano-fluid in for spectrometer heat abstractor；
Fig. 4 is the import and export pressure difference of this nano-fluid device when being worked in for spectrometer heat abstractor.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
Referring to figs. 1 to shown in Fig. 3, the invention discloses a kind of heat transmission nano-fluid, it is to be by percentage by weight
0.15-0.3% nano particle, 99.6-99.8% basal liquid and 0.05-0.1% dispersant are uniform through ultrasonic vibration
Mix；Described nano particle is the copper that particle diameter is less than 100nm；Described basal liquid is 85% by percentage by weight
Distilled water and percentage by weight are prepared by fully mixing for 15% toluene；Described dispersant is lauryl sodium sulfate.Wherein divide
Weight ratio≤2 of powder and nano particle.
The invention also discloses the preparation method of above-mentioned nano-fluid, first by distilled water and 15% that percentage by weight is 85%
Toluene be sufficiently mixed obtained basal liquid, by the particle diameter of percentage by weight 0.15-0.3% be less than 100nm copper particle add
In 99.6-99.8% basal liquid, 0.05-0.1% lauryl sodium sulfate is added, it is ensured that the weight of dispersant is with receiving
Weight ratio≤2 of rice grain, form uniform, stable Cu/H after the ultrasonic vibration of 1.5-2 hours2O nano-fluids.
The invention also discloses the application of above-mentioned nano-fluid, the shell for spectrometer radiates, and nano-fluid is by flowing into
The speed of heat abstractor is more than 1m/s and less than 5m/s.
Embodiment 1：At ambient pressure, the cuprum nanometer fluid boiling point of percentage by weight 0.15-0.3% is measured.Such as Fig. 1 institutes
Show, its boiling temperature is up to 130.5-133.2 DEG C.
Embodiment 2：Measure the thermal conductivity factor of the cuprum nanometer fluid of percentage by weight 0.15-0.3% at different temperatures.
As shown in Fig. 2 at 130 DEG C cuprum nanometer fluid thermal conductivity factor highest, percentage by weight for 0.3% nano-fluid heat conduction system
The basal liquid of number weight/power ratio percentage 0% improves 14.3%.
Embodiment 3：When flow is 0.9 m3During/min, the cuprum nanometer fluid for measuring percentage by weight 0.15-0.3% exists
For the mean heat transfer coefficient in the nano-fluid heat abstractor of spectrometer, as shown in figure 3, for the copper of different weight percentage
Nano-fluid, its mean heat transfer coefficient is above the basal liquid of percentage by weight 0%.The mean heat transfer coefficient of nano-fluid with
The percentage by weight of nano particle increases and increased.Percentage by weight is the mean heat transfer coefficient weight/power ratio of 0.3% nano-fluid
The basal liquid of percentage 0% improves 56.7%.
Embodiment 4：At ambient pressure, the cuprum nanometer fluid for measuring percentage by weight 0.15-0.3% is filled in spectrometer radiating
Import and export pressure difference in putting, as shown in figure 4, when flow is 0.9m3During/min, percentage by weight is 0.3% nano-fluid
Import and export pressure difference weight/power ratio percentage and add 8% and 16% for 0.25% and 0.2% nano-fluid, while mean heat transfer coefficient
Improve 21% and 31%.Import and export pressure difference in spectrometer heat abstractor can reflect the power of resistance suffered by nano-fluid.
Measurement result illustrates that the percentage by weight for properly increasing copper nano particles can significantly change in the case of fluid resistance amplification is less
The heat-sinking capability of kind cuprum nanometer fluid.
When this nano-fluid and when being used cooperatively for the nano-fluid heat abstractor of spectrometer, the rate of settling is small, stable
Property it is good, efficiency-cost ratio is high, disclosure satisfy that the cooling requirements of spectrometer start for a long time
Test result indicates that, the above-mentioned cuprum nanometer fluid for spectrometer shell heat dissipation technology can increase substantially heat transfer medium
Thermal conductivity factor and the mean heat transfer coefficient in the nano-fluid heat abstractor for spectrometer.
The cuprum nanometer fluid for spectrometer shell heat dissipation technology enumerated in example, will by heat transfer when it flows
The heat that spectrometer surface is produced is taken away, and spectrometer case surface temperature is reduced rapidly.Meet spectrometer start for a long time
Working condition requirement, improves spectrometer internal opticses part, the service life of electronic component.
Above example is only the clear demonstration present invention and illustrated, and not specific embodiments of the present invention are limited.If
Meter and application side can make other various forms of changes or variation on the basis of described above.There is no need and unable to institute
Some embodiments are exhaustive.It is all to be examined and any obvious change amplified out within principle in design warp of the invention
Among changing or changing still in the invention scope of the claims.
Claims (4)
1. a kind of heat transmission nano-fluid, it is characterised in that：It is by percentage by weight for 0.15-0.3% nano particle,
99.6-99.8% basal liquid and 0.05-0.1% dispersant are uniformly mixed through ultrasonic vibration；Described nanometer
Grain is less than 100nm copper for particle diameter；The distilled water and percentage by weight that described basal liquid is 85% by percentage by weight is
15% toluene is prepared by fully mixing；Described dispersant is lauryl sodium sulfate.
2. a kind of heat transmission nano-fluid according to claim 1, it is characterised in that described dispersant and nano particle
Weight ratio≤2.
3. a kind of preparation method of heat transmission nano-fluid as claimed in claim 1, it is characterised in that step is：First by weight
Percentage is that 85% distilled water and 15% toluene are sufficiently mixed obtained basal liquid, by the particle diameter of percentage by weight 0.15-0.3%
Copper particle less than 100nm is added in 99.6-99.8% basal liquid, adds 0.05-0.1% lauryl sodium sulfate,
Ensure the weight of dispersant and weight ratio≤2 of nano particle, formed uniformly, stably after the ultrasonic vibration of 1.5-2 hours
Nano-fluid.
4. a kind of application of heat transmission nano-fluid as claimed in claim 1, it is characterised in that the shell for spectrometer dissipates
Heat.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710477293.6A CN107142090A (en) | 2017-06-21 | 2017-06-21 | A kind of heat transmission nano-fluid, preparation method and applications |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710477293.6A CN107142090A (en) | 2017-06-21 | 2017-06-21 | A kind of heat transmission nano-fluid, preparation method and applications |
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| CN107142090A true CN107142090A (en) | 2017-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710477293.6A Pending CN107142090A (en) | 2017-06-21 | 2017-06-21 | A kind of heat transmission nano-fluid, preparation method and applications |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108031839A (en) * | 2018-01-08 | 2018-05-15 | 宁波恒创环保科技有限公司 | Copper nanoparticle of in-stiu coating organic matter and preparation method thereof |
| CN108388326A (en) * | 2018-01-30 | 2018-08-10 | 中国矿业大学 | A kind of CPU heat radiation cooling systems based on nano-fluid |
| CN110314627A (en) * | 2018-03-31 | 2019-10-11 | 宁波大学 | A kind of device preparing nano-fluid with electrostatic method |
Citations (3)
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|---|---|---|---|---|
| CN103937463A (en) * | 2013-01-31 | 2014-07-23 | 深圳市爱能森科技有限公司 | Dibenzyltoluene type high-temperature nanometer heat-conducting oil, and preparation method and application thereof |
| CN104164222A (en) * | 2014-08-01 | 2014-11-26 | 中山火炬职业技术学院 | A kind of high thermal conductivity water-based nanofluid and its preparation method |
| CN105860937A (en) * | 2016-05-10 | 2016-08-17 | 高邮久创信息科技有限公司 | Nano-fluid superconduction liquid for heat pipe type vacuum collector tube and preparation method of nano-fluid superconduction liquid |
-
2017
- 2017-06-21 CN CN201710477293.6A patent/CN107142090A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103937463A (en) * | 2013-01-31 | 2014-07-23 | 深圳市爱能森科技有限公司 | Dibenzyltoluene type high-temperature nanometer heat-conducting oil, and preparation method and application thereof |
| CN104164222A (en) * | 2014-08-01 | 2014-11-26 | 中山火炬职业技术学院 | A kind of high thermal conductivity water-based nanofluid and its preparation method |
| CN105860937A (en) * | 2016-05-10 | 2016-08-17 | 高邮久创信息科技有限公司 | Nano-fluid superconduction liquid for heat pipe type vacuum collector tube and preparation method of nano-fluid superconduction liquid |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108031839A (en) * | 2018-01-08 | 2018-05-15 | 宁波恒创环保科技有限公司 | Copper nanoparticle of in-stiu coating organic matter and preparation method thereof |
| CN108388326A (en) * | 2018-01-30 | 2018-08-10 | 中国矿业大学 | A kind of CPU heat radiation cooling systems based on nano-fluid |
| CN108388326B (en) * | 2018-01-30 | 2019-02-01 | 中国矿业大学 | A kind of CPU heat radiation cooling system based on nano-fluid |
| CN110314627A (en) * | 2018-03-31 | 2019-10-11 | 宁波大学 | A kind of device preparing nano-fluid with electrostatic method |
| CN110314627B (en) * | 2018-03-31 | 2021-07-30 | 宁波大学 | A device for preparing nanofluids by electrostatic method |
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Application publication date: 20170908 |