CN206895106U - A kind of spray cooling device - Google Patents
A kind of spray cooling device Download PDFInfo
- Publication number
- CN206895106U CN206895106U CN201720733287.8U CN201720733287U CN206895106U CN 206895106 U CN206895106 U CN 206895106U CN 201720733287 U CN201720733287 U CN 201720733287U CN 206895106 U CN206895106 U CN 206895106U
- Authority
- CN
- China
- Prior art keywords
- cooling device
- micro
- spray cooling
- patterning
- heat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The utility model discloses a kind of spray cooling device.The device is a kind of enclosed spray cooling device, including spray chamber, fluid reservoir and heat exchange platform, the heat exchange platform is made up of thermal source and micro-patterning wettable surfaces, and micro-patterning wettable surfaces are bonded at thermal source top by one layer of heat conductive silica gel, and heat-insulation layer is wrapped up around thermal source.Its feature of described spray cooling device is that heat-transfer surface directly contacts with micro-patterning wettable surfaces, the surface is not only beneficial to the saturation boiling evaporation of working medium under high heat flux, reduces thickness of liquid film, beneficial to the formation of steam bubble, critical heat flux density is improved, while reduces working medium delay, fouling.
Description
Technical field
It the utility model is related to augmentation of heat transfer and field of energy-saving technology, and in particular to a kind of spray cooling device.
Background technology
In recent years, quick increase is presented in the miniaturization with electronic device and Highgrade integration, the heat dissipation of electronic device
Situation.Any electronic device has the limit of its operating temperature, if not taking effective cooling provision to ensure device less than upper
Worked at a temperature of limit, gently then substantially reduce operating efficiency, equipment burnout can be made when serious.The cooling technology developed can improve electricity
The stability and high efficiency of sub- device work, will make many industries be benefited.Spray cooling is by gases at high pressure or in itself
Pressure, make liquid by nozzle atomization into little particle, forced jet to object to be cooled surface, to realize effectively cooling.
With going deep into for misting cooling research, more fully, result of study shows liquid film to the research to smooth surface
Evaporation is one of important mechanism of heat exchange, and thickness of liquid film has vital influence on evaporation and heat-exchange, seeks reducer for this
The method of film turns into a kind of trend to strengthen spraying heat transfer effect, and liquid film be able to be thinned well, seethe with excitement in addition for micro-structure surface
Heat exchange experience have shown that, set up micro- pattern in hot surface, the increase measure such as surface roughness can obvious enhanced heat exchange.Study table
Bright, natural evaporation of the liquid on surface is influenceed by surface wettability, wetability decide liquid surface distributional pattern and
Gas liquid interfacial area, big gas liquid interfacial area are beneficial to fluid molecule and spread increase evaporation rate to air.Micro-structural table
Face can increase gas liquid interfacial area, so as to increase evaporation efficiency.But some micro-structure surfaces, such as the easy fouling in micro-channel surface
Pollution is produced, while fluid flow stagnation area be present, hinders the raising of heat transfer efficiency.
It is high with water-wetted surface water droplet nucleation rate that micro-patterning wettable surfaces easily form super hydrophobic surface dropwise condensation
Feature organically combines, and has broad application prospects and huge market efficiency in microfluidic control, heat exchanger etc..Will
The micro-patterning wettable surfaces of preparation, which are applied to spray cooling device, can effectively increase evaporation heat transfer efficiency, augmentation of heat transfer.
Existing micro-patterning wettable surfaces technology of preparing reports that less or preparation technology is complicated, and equipment is expensive, is not suitable for big face
Product application.Therefore, micro-patterning wettable surfaces preparation technology is simplified, it is the problem for needing to solve to improve film-substrate cohesion.
Utility model content
For overcome the deficiencies in the prior art, the utility model provides a kind of spray cooling device, misting cooling dress
Put its feature and be that heat-transfer surface directly contacts with micro-patterning wettable surfaces, the surface is not only beneficial to working medium under high heat flux
Saturation boiling evaporation, reduce thickness of liquid film, beneficial to the formation of steam bubble, improve critical heat flux density, while it is stagnant to reduce working medium
Stay, fouling.
The technical solution of the utility model is as follows.
A kind of spray cooling device, the device are a kind of enclosed spray cooling devices, including spray chamber, fluid reservoir and
Exchanged heat platform, and the heat exchange platform is made up of thermal source and micro-patterning wettable surfaces, and micro-patterning wettable surfaces are led by one layer
Hot silica gel is bonded at thermal source top, and heat-insulation layer is wrapped up around thermal source.
Preferably, the spray chamber is confined chamber, is provided with height adjuster on spray chamber's top cover, height adjuster is used for
Nozzle of the regulation in spray chamber, the upper end of nozzle have condenser coil, and described change is placed below in spray chamber bottom, nozzle
Thermal station；The fluid reservoir is provided with working medium fill port, and the side of fluid reservoir is provided with liquid outlet, and the liquid outlet passes sequentially through magnetic force
Gear pump, spinner flowmeter and valve connect the nozzle；The spray chamber bottom is provided with liquid return hole, and the liquid return hole connects institute
State fluid reservoir and form closed working medium circulation.
Preferably, in addition to for detect nozzle exit pressure pressure sensor and for detect spraying chamber internal pressure pressure
Force snesor.
Preferably, the pressure sensor is connected with data acquisition device, and data acquisition device is connected with computer.
Preferably, the data acquisition device is also connected with heat exchange platform, and data acquisition device is connected with computer, with calculating
The parameters of machine monitoring heat exchange platform（Such as the mass change in evaporation process）.
Preferably, the thickness of the micro-patterning wettable surfaces is 50-500nm.
As preferable scheme, the preparation of the micro-patterning wettable surfaces comprises the following steps：
（1）Metallic substrates are cleaned：Metallic substrates after polishing are cleaned by ultrasonic with acetone, ethanol, hydrochloric acid, water successively；
（2）Anodic oxidation：Using the metallic substrates being cleaned by ultrasonic as anode, platinized platinum is that negative electrode is put into glycerine, H2O and
NH4The electrolyte Anodic Oxidation of F compositions, is rinsed well, then dried repeatedly after taking-up with water；
（3）Annealing：By step（2）Dried metallic substrates are annealed, then natural cooling；
（4）Hydrophobic treatment：Metallic substrates after annealing are soaked in the organic solution containing water-repelling agent and seal lucifuge, then it is solid
Change drying, just obtain completely hydrophobic surface on the metallic substrate；
（5）Patterned process：By step（4）Metallic substrates after hydrophobic treatment are placed under uviol lamp, will carry customization figure
The mask of case is placed between light source and metallic substrates, ultraviolet lighting, and metal substrate surface is occurred photochemical by the part of ultraviolet irradiation
Learn reaction and switch to water-wetted surface, mask covering part hydrophobic performance is constant, just obtains micro-patterning wettable surfaces.
It is further preferred that step（1）The metallic substrates are titanium sheet substrate.
It is further preferred that step（1）The time of the ultrasonic cleaning is 5-20min；The mass fraction of the hydrochloric acid
For 10-30%；The water is distilled water.
It is further preferred that step（2）The temperature of the drying is 80-120 DEG C, time 20-40min.
It is further preferred that step（2）H in the electrolyte2O concentration is 20-40 vol%, NH4F concentration is
1.0-5.0 wt%。
It is further preferred that step（2）The anodic oxidation is the sun under 20-50 DEG C of water bath with thermostatic control, 20V-60V voltages
Pole oxidation 1-4 h.
It is further preferred that step（3）The temperature of the annealing is 200-400 DEG C, and the time is 1-4h, and heating rate is
5-10℃·min-1。
It is further preferred that step（3）The annealing is carried out in chamber type electric resistance furnace.
It is further preferred that step（4）The water-repelling agent is silicon fluoride；The organic solution is n-hexane or normal heptane.
It is furthermore preferred that the silicon fluoride can be 17 fluorine decyl triethoxysilanes, tridecafluoro-n-octyltriethoxysilane etc..
It is further preferred that step（4）The time of the sealing lucifuge is 1-6 h；The dry temperature of the solidification is
100-150 DEG C, the time is 1-3 h.
It is further preferred that step（5）The power of the ultraviolet lighting is 500W, time 5-30min.
It is further preferred that the micro-patterning wettable surfaces, using metal as substrate, surface has micro-patterning wetting
Property, the patterning refer to it is regular on hydrophobic region be dispersed with hydrophilic region, hydrophilic region shape can be circle, annulus, star,
The regular figures such as triangle, quadrangle, pentagon or any irregular figure.Thickness is between 50-500nm.Pure water
Contact angle on hydrophilic segment surface is 0-45 degree；Hydrophobic part contact angle is 135-175 degree.
Compared with prior art, the beneficial effects of the utility model are：
1）The pining force of micro-patterning wettable surfaces hydrophilic site and super-hydrophobic position in device of the present utility model
The interaction of thrust greatly reduces thickness of liquid film, increases rate of heat transfer.
2）Substantial amounts of nucleation site is contained at the hydrophobic position of micro-patterning wettable surfaces in device of the present utility model, profit
In the formation of steam bubble, heat flow density is improved, so as to increase rate of heat transfer.
3）Micro-patterning wettable surfaces are applied in spray cooling device, it is stagnant that working medium is reduced while augmentation of heat transfer
Stay, fouling.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model spray cooling device；
Fig. 2 a- Fig. 2 d are respectively the structural representation of micro-patterning wettable surfaces obtained by each embodiment.
Fig. 3 is the schematic diagram of the gained micro-patterning wettable surfaces' hydrophobic part contact angle of embodiment 4.
Embodiment
The utility model is described in detail with reference to the accompanying drawings and detailed description, but the requires of the utility model
The scope of protection is not limited to what embodiment was stated, and key of the present utility model is the technical scheme proposed to structure.
The structural representation of spray cooling device described in following examples is as shown in Figure 1.The device is a kind of closed
Spray cooling device, including spray chamber 16, fluid reservoir 2 and heat exchange platform 14, the heat exchange platform moisten by thermal source 12 and micro-patterning
Wettable surfaces 13 are formed, and micro-patterning wettable surfaces are bonded at thermal source top by one layer of heat conductive silica gel, wrap up and protecting around thermal source
Warm layer 11；The spray chamber is confined chamber, and height adjuster 7 is provided with spray chamber's top cover, and height adjuster is used to adjust position
In the nozzle 15 in spray chamber, the upper end of nozzle has condenser coil 6, and the heat exchange is placed below in spray chamber bottom, nozzle
Platform；The fluid reservoir is provided with working medium fill port 1, and the side of fluid reservoir is provided with liquid outlet, and the liquid outlet passes sequentially through magnetic force
Gear pump 3, spinner flowmeter 4 and valve 5 connect the nozzle；The spray chamber bottom is provided with liquid return hole, and the liquid return hole connects
Connect the fluid reservoir and form closed working medium circulation；The device also includes the pressure sensor for detecting nozzle exit pressure and is used for
The pressure sensor of detection spraying chamber internal pressure；The pressure sensor is connected with data acquisition device 9, data acquisition device
It is connected with computer 10；The data acquisition device is also connected with heat exchange platform, the parameters for the platform that exchanged heat with computer monitoring.Spray
Working medium in mist bottom of chamber portion liquid pool is carried out by gear pumping by spinner flowmeter, regulating valve, atomizer to experiment apparatus
Misting cooling.
The preparation of the micro-patterning wettable surfaces used below the utility model is illustrated.
Embodiment 1
（1）Metallic substrates are cleaned：Pure titanium sheet (99.9%) after polishing is cleaned by ultrasonic 15 min, ethanol with acetone successively
It is cleaned by ultrasonic 15 min, the hydrochloric ultrasonic wave that mass fraction is 15% cleans 15 min, is then cleaned by ultrasonic 15min with distilled water.
（2）Anodic oxidation：Using cleaned titanium sheet as anode, platinized platinum is that negative electrode is put into glycerine, H2O (20
) and NH vol%4In the electrolyte of F (1.0 wt%) compositions.Under 30 DEG C of waters bath with thermostatic control, 20V voltages, anodic oxidation 2h, rise
Pressure speed is 0.1 Vs-1.Rinsed well repeatedly with deionized water after taking-up, be placed in 20min in 80 DEG C of baking ovens.
（3）Annealing：Titanium sheet is taken out from baking oven, is placed in chamber type electric resistance furnace and is annealed, heating rate is 5 DEG C
min-1, anneal 2h at 300 DEG C, naturally cools to room temperature.
（4）Hydrophobic treatment：Titanium sheet after annealing is soaked in containing FAS-17（I.e.：17 fluorine decyl triethoxysilanes）
Lucifuge 1h is sealed in the hexane solution that volume fraction is 1%, solidifies in 120 DEG C of baking oven and dries 1 h, just obtain completely
Hydrophobic surface.
（5）Patterned process：Surface after hydrophobic treatment is placed under 500W uviol lamp, by with specific pattern
Mask is placed between light source and metal substrate, illumination 10min, and metallic substrate surfaces are anti-by the part generation photochemistry of ultraviolet irradiation
Water-wetted surface should be switched to, mask covering part hydrophobic performance is constant, just obtains the micro-patterning wetability table such as Fig. 2 a diamond shapeds
Face, wherein the rhombus length of side at hydrophobic position is 0.16mm, at a distance of 0.2mm between two rhombuses.The thickness on the surface is 200nm；It is pure
Contact angle of the water on hydrophilic segment surface is 13.5 degree, and hydrophobic part contact angle is 149.5 degree.
Micro-patterning wettable surfaces are bonded on heat exchange platform by one layer of heat conductive silica gel, for spray cooling device
In.With general surface（Pure titanium sheet）For being compared in spray cooling device, by micro-patterning wettable surfaces obtained by the present embodiment
For rate of heat transfer increase by 7.5% in spray cooling device.
Embodiment 2
（1）Metallic substrates are cleaned：Pure titanium sheet (99.9%) after polishing is cleaned by ultrasonic 15 min, ethanol with acetone successively
It is cleaned by ultrasonic 15 min, the hydrochloric ultrasonic wave that mass fraction is 15% cleans 15 min, is then cleaned by ultrasonic 15min with distilled water.
（2）Anodic oxidation：Using cleaned titanium sheet as anode, platinized platinum is that negative electrode is put into glycerine, H2O (20
) and NH vol%4In the electrolyte of F (1.0 wt%) compositions.Under 20 DEG C of waters bath with thermostatic control, 20V voltages, anodic oxidation 4h, rise
Pressure speed is 0.1 Vs-1.Rinsed well repeatedly with deionized water after taking-up, be placed in 40min in 80 DEG C of baking ovens.
（3）Annealing：Titanium sheet is taken out from baking oven, is placed in chamber type electric resistance furnace and is annealed, heating rate is 5 DEG C
min-1, anneal 2h at 300 DEG C, natural cooling.
（4）Hydrophobic treatment：Titanium sheet after annealing is soaked in volume fraction containing tridecafluoro-n-octyltriethoxysilane as 4%
Hexane solution in seal the h of lucifuge 6, solidify in 150 DEG C of baking oven and dry 3 h, just obtain hydrophobic surface completely.
（5）Patterned process：Surface after hydrophobic treatment is placed under 500W uviol lamp, by with specific pattern
Mask is placed between light source and metal substrate, illumination 30min, and metallic substrate surfaces are anti-by the part generation photochemistry of ultraviolet irradiation
Water-wetted surface should be switched to, mask covering part hydrophobic performance is constant, just obtains the regular hexagon micro-patterning wetability such as Fig. 2 b
Surface, wherein the regular hexagon length of side at hydrophobic position is 0.09mm, two regular hexagon spacing are 0.2mm, 0.35mm.The surface
Thickness is 500nm；Contact angle of the pure water on hydrophilic segment surface is 21.3 degree, and hydrophobic part contact angle is 156.1 degree.
Micro-patterning wettable surfaces are bonded on heat exchange platform by one layer of heat conductive silica gel, for spray cooling device
In.With general surface（Pure titanium sheet）For being compared in spray cooling device, by micro-patterning wettable surfaces obtained by the present embodiment
For rate of heat transfer increase by 11.5% in spray cooling device.
Embodiment 3
（1）Metallic substrates are cleaned：Pure titanium sheet (99.9%) after polishing is cleaned by ultrasonic 15 min, ethanol with acetone successively
It is cleaned by ultrasonic 15 min, the hydrochloric ultrasonic wave that mass fraction is 15% cleans 15 min, is then cleaned by ultrasonic 15min with distilled water.
（2）Anodic oxidation：Using cleaned titanium sheet as anode, platinized platinum is that negative electrode is put into glycerine, H2O (30
) and NH vol%4In the electrolyte of F (2.0 wt%) compositions.Under 30 DEG C of waters bath with thermostatic control, 40V voltages, the h of anodic oxidation 2, rise
Pressure speed is 0.1 Vs-1.Rinsed well repeatedly with deionized water after taking-up, be placed in 30min in 120 DEG C of baking ovens.
（3）Annealing：Titanium sheet is taken out from baking oven, is placed in chamber type electric resistance furnace and is annealed, heating rate is 5 DEG C
min-1, anneal 1h at 400 DEG C, natural cooling.
（4）Hydrophobic treatment：It is 2% that titanium sheet after annealing is soaked in into volume fraction containing octadecyl trimethoxysilane
Lucifuge 1h is sealed in n-heptane solution, solidifies in 100 DEG C of baking oven and dries 1 h, just obtain completely hydrophobic surface.
（5）Patterned process：Surface after hydrophobic treatment is placed under 500W uviol lamp, by covering with specific pattern
Film is placed between light source and metal substrate, illumination 10min, and by the part of ultraviolet irradiation photochemical reaction occurs for metallic substrate surfaces
Switch to water-wetted surface, mask covering part hydrophobic performance is constant, just obtains the dot matrix micro-patterning wettable surfaces such as Fig. 2 c.Its
In hydrophobic a diameter of 0.5 mm in position, center of circle spacing is 2 mm.The thickness on the surface is 300nm；Pure water is on hydrophilic segment surface
Contact angle be 9.5 degree, hydrophobic part contact angle be 160.6 degree.
Micro-patterning wettable surfaces are bonded on heat exchange platform by one layer of heat conductive silica gel, for spray cooling device
In.With general surface（Pure titanium sheet）For being compared in spray cooling device, by micro-patterning wettable surfaces obtained by the present embodiment
For rate of heat transfer increase by 16.5% in spray cooling device.
Embodiment 4
（1）Metallic substrates are cleaned：Pure titanium sheet (99.9%) after polishing is cleaned by ultrasonic 15 min, ethanol with acetone successively
It is cleaned by ultrasonic 15 min, the hydrochloric ultrasonic wave that mass fraction is 15% cleans 15 min, is then cleaned by ultrasonic 15min with distilled water.
（2）Anodic oxidation：Using cleaned titanium sheet as anode, platinized platinum is that negative electrode is put into glycerine, H2O (40
) and NH vol%4In the electrolyte of F (5.0 wt%) compositions.Under 50 DEG C of waters bath with thermostatic control, 60V voltages, the h of anodic oxidation 1, rise
Pressure speed is 0.1 Vs-1.Rinsed well repeatedly with deionized water after taking-up, be placed in 20min in 100 DEG C of baking ovens.
（3）Annealing：Titanium sheet is taken out from baking oven, is placed in chamber type electric resistance furnace and is annealed, heating rate is 5 DEG C
min-1, anneal 2h at 300 DEG C, natural cooling.
（4）Hydrophobic treatment：Titanium sheet after annealing is soaked in close in the n-heptane solution that volume fraction containing FAS-17 is 2%
Lucifuge 4h is sealed, solidifies in 120 DEG C of baking oven and dries 1 h, just obtain completely hydrophobic surface.
（5）Patterned process：Surface after hydrophobic treatment is placed under 500W uviol lamp, by covering with specific pattern
Film is placed between light source and metal substrate, illumination 10min, and by the part of ultraviolet irradiation photochemical reaction occurs for metallic substrate surfaces
Switching to water-wetted surface, mask covering part hydrophobic performance is constant, just obtains the square formation micro-patterning wettable surfaces such as Fig. 2 d, its
In the square length of side at hydrophobic position be 1.8 mm, the mesh width of hydrophilic site is 0.2 mm.The thickness on the surface is
100nm；Contact angle of the pure water on hydrophilic segment surface is 6.5 degree, and hydrophobic part contact angle is 167.6 degree.Hydrophobic part contacts
Angle is as shown in Figure 3.
Micro-patterning wettable surfaces are bonded on heat exchange platform by one layer of heat conductive silica gel, in spray cooling device
On.With general surface（Pure titanium sheet）For being compared in spray cooling device, by micro-patterning wettable surfaces obtained by the present embodiment
For rate of heat transfer increase by 20.5% in spray cooling device.
Claims (6)
1. a kind of spray cooling device, it is characterised in that the device is a kind of enclosed spray cooling device, including spray chamber
（16）, fluid reservoir（2）With heat exchange platform（14）, the heat exchange platform is by thermal source（12）With micro-patterning wettable surfaces（13）Form,
Micro-patterning wettable surfaces are bonded at thermal source top by one layer of heat conductive silica gel, and heat-insulation layer is wrapped up around thermal source（11）.
2. a kind of spray cooling device according to claim 1, it is characterised in that the spray chamber is confined chamber, spraying
Ceiling, which covers, is provided with height adjuster（7）, height adjuster is for adjusting the nozzle in spray chamber（15）, the nozzle
There is condenser coil upper end（6）, the heat exchange platform is placed below in spray chamber bottom, nozzle；The fluid reservoir fills provided with working medium
Geat（1）, the side of fluid reservoir is provided with liquid outlet, and the liquid outlet passes sequentially through magnetic gear pump（3）, spinner flowmeter（4）
And valve（5）Connect the nozzle；The spray chamber bottom is provided with liquid return hole, and the liquid return hole connects the fluid reservoir and forms envelope
Enclosed working medium circulation.
3. a kind of spray cooling device according to claim 2, it is characterised in that also include being used to detect nozzle exit pressure
Pressure sensor and the pressure sensor for detecting spraying chamber internal pressure.
4. a kind of spray cooling device according to claim 3, it is characterised in that the pressure sensor and data acquisition
Device（9）Connection, data acquisition device and computer（10）Connection.
A kind of 5. spray cooling device according to claim 4, it is characterised in that the data acquisition device also with heat exchange
Platform is connected, and data acquisition device is connected with computer, the parameters for the platform that exchanged heat with computer monitoring.
6. a kind of spray cooling device according to claim 1, it is characterised in that the micro-patterning wettable surfaces'
Thickness is 50-500nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720733287.8U CN206895106U (en) | 2017-06-22 | 2017-06-22 | A kind of spray cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720733287.8U CN206895106U (en) | 2017-06-22 | 2017-06-22 | A kind of spray cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206895106U true CN206895106U (en) | 2018-01-16 |
Family
ID=61316389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720733287.8U Expired - Fee Related CN206895106U (en) | 2017-06-22 | 2017-06-22 | A kind of spray cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206895106U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107324276A (en) * | 2017-06-22 | 2017-11-07 | 华南理工大学 | A kind of micro-patterning wettable surfaces and preparation method and application are in spray cooling device |
| CN108418545A (en) * | 2018-04-28 | 2018-08-17 | 华南理工大学 | A kind of micro jet flow coldplate and its manufacturing method that porous heating surface is added |
| CN112033990A (en) * | 2020-08-21 | 2020-12-04 | 大连理工大学 | Experimental device supporting pool boiling and liquid drop wall collision with replaceable surface and using method thereof |
-
2017
- 2017-06-22 CN CN201720733287.8U patent/CN206895106U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107324276A (en) * | 2017-06-22 | 2017-11-07 | 华南理工大学 | A kind of micro-patterning wettable surfaces and preparation method and application are in spray cooling device |
| CN108418545A (en) * | 2018-04-28 | 2018-08-17 | 华南理工大学 | A kind of micro jet flow coldplate and its manufacturing method that porous heating surface is added |
| CN112033990A (en) * | 2020-08-21 | 2020-12-04 | 大连理工大学 | Experimental device supporting pool boiling and liquid drop wall collision with replaceable surface and using method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107324276A (en) | A kind of micro-patterning wettable surfaces and preparation method and application are in spray cooling device | |
| CN206895106U (en) | A kind of spray cooling device | |
| CN103966654B (en) | Method for directionally conveying water drops on aluminum alloy base | |
| CN106653877B (en) | A kind of method of EFI print solar-energy photo-voltaic cell electrode | |
| CN106601872B (en) | A kind of device of EFI print solar-energy photo-voltaic cell electrode | |
| Qi et al. | A new approach to enhance the heat and mass transfer of liquid desiccant dehumidification with a titanium dioxide superhydrophilic self-cleaning coating | |
| CN105734642B (en) | A kind of high-intensitive, the black coating of bigger serface titanium preparation method | |
| CN105696056A (en) | Heat exchanger with condensate drop self-repelling function nanolayer | |
| CN103084321A (en) | Preparation process for nanometer perfluorocarbon composite coating | |
| WO2002070950A1 (en) | Equipment for producing high-pressure saturated steam | |
| CN105031950B (en) | A kind of method based on composite porous controlled evaporation surface temperature | |
| CN204417550U (en) | The powerful spraying plant of a kind of thermal treatment | |
| CN208553651U (en) | A kind of white cigarette elimination system | |
| CN101767081A (en) | Preparation method of metal-dielectric solar spectral selective absorbing coating | |
| CN214276626U (en) | Ultrathin flat heat pipe with non-uniform wettability patterned liquid absorption core | |
| CN105860938A (en) | Graphite film with strengthened critical heat flux and preparation method therefor | |
| CN107297116A (en) | A kind of hang plating production line Tower for purifying waste gas | |
| CN210486572U (en) | Tandem type white smoke eliminating cooling tower | |
| CN206803840U (en) | A kind of fin coating structure of shell-and-tube heat exchanger | |
| CN208763707U (en) | Device for recycling heat in aluminum profile process | |
| CN108878627B (en) | LED substrate and preparation method and application thereof | |
| Greiter et al. | Experimental investigation of heat and mass transfer in a horizontal-tube falling-film absorber with aqueous solutions | |
| CN112304115A (en) | Efficient turbulent flow heat exchange device and method capable of achieving condensation and cooling of saturated wet flue gas | |
| CN207357434U (en) | A kind of auxiliary automatic spraying equipment for thermal spraying | |
| CN206556466U (en) | The spray humidification cooling device of air cooler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180116 Termination date: 20190622 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |