CN108204675A - For the device of microflute group's enhanced heat exchange - Google Patents
For the device of microflute group's enhanced heat exchange Download PDFInfo
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- CN108204675A CN108204675A CN201810143999.3A CN201810143999A CN108204675A CN 108204675 A CN108204675 A CN 108204675A CN 201810143999 A CN201810143999 A CN 201810143999A CN 108204675 A CN108204675 A CN 108204675A
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- microflute
- sap cavity
- experiment
- heat exchange
- electrode
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/18—Water-storage heaters
- F24H1/20—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes
- F24H1/201—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply
- F24H1/202—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply with resistances
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0005—Details for water heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
- F24H9/1818—Arrangement or mounting of electric heating means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2014—Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
- F24H9/2021—Storage heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B1/00—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser
- F28B1/02—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser using water or other liquid as the cooling medium
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B9/00—Auxiliary systems, arrangements, or devices
- F28B9/08—Auxiliary systems, arrangements, or devices for collecting and removing condensate
Abstract
Present disclose provides a kind of devices for microflute group's enhanced heat exchange, include experiment sap cavity, microflute heat exchanger plates and the high-field electrode of a closing.Wherein, it is fixed on inside experiment sap cavity by magnetic rod equipped with liquid working substance, microflute heat exchanger plates and high-field electrode inside experiment sap cavity；High-field electrode connects high-voltage DC power supply, applies electric field action to microflute heat exchanger plates；Microflute heat exchanger plates include the basic heat sink and nano coating of microflute group.The ultra-high surface that nano coating in the device for microflute group's enhanced heat exchange of the disclosure in microflute heat exchange plate surface has can enhance surface energy and roughness of the liquid working substance in micro-channel, improve surface wetting characteristic, so that heat sink occur continual high-strength composite phase-change heat-exchange, the exchange capability of heat of the device for microflute group's enhanced heat exchange is enhanced.
Description
Technical field
The disclosure belongs to technical field of heat exchange, and in particular to a kind of device for microflute group's enhanced heat exchange.
Background technology
With microelectronics and the high speed development of MEMS, chip integration and performance are continuously improved so that electricity
Sub- equipment tends to high-power, miniaturization.Thus the calorific value of device is also significantly increased, if heat cannot be arranged in time
Go out, it will serious stability, reliability or even the collapse for causing system for reducing device and system.Therefore heat dissipation is high-power
Critical bottleneck problem in the design of high power density power electronic devices and manufacture.The feasibility and reliability of experiment are crucial skills
Art realizes the basic of commercial application, therefore foundation has for the device for microflute group's enhanced heat exchange of heat sink superpower heat exchange
Significance.
Micro slot group composite phase change heat transfer technology is set with the features such as its coefficient of heat transfer height, the operation is stable in high-power electric and electronic
It is used widely in standby, it utilizes three-phase line of contact at the extension meniscus that liquid working substance is formed by capillary force in microflute
The nucleate boiling of thickness liquid film region liquid working substance answers at the high intensity evaporation in neighbouring evaporation thin film region and intrinsic meniscus
Phase-change heat-exchange mechanism is closed, the exchange capability of heat of high intensity is realized, is a kind of novel high-performance minute yardstick phase-change heat-exchange technology.But
Be, under superelevation heat flow density under the conditions of, the liquid working substance in microflute group can be from top to bottom by with heat source heat flow density
Constantly increase and generate it is dry, if it is dry it is lasting occur, liquid working substance can not be replenished in time, and extend high-strength on meniscus
Degree evaporation will be unable to occur, and the composite phase-change heat exchange of high intensity can not also carry out, and the exchange capability of heat that microflute group is heat sink is by very big
Deterioration.Therefore, when liquid working substance along microflute flowing institute it is attainable extension meniscus on wet length become restriction it is micro-
The key point of slot group's exchange capability of heat.
The micro slot group composite phase change heat exchange skill proposed for technological deficiency existing for the cold heat transfer technology of existing air-cooled or liquid
Art and technique device in combination have to the heat dissipation problem for solving device for high-power power electronic or system centainly into
Effect, and when power suffered by device is increasing, when the heat flow density faced is also higher and higher, the liquid working substance in microflute is easily sent out
Raw situation that is dry too early and leading to heat transfer deterioration.When power of heat source is increasing, heating power is also increasing, applies
Heat flow density on microflute group's heating surface is also increasing, and heated liquid evaporation aggravates on extension meniscus in microflute, liquid film
Gradually thinning, flow resistance increases, and wet length reduces, and heat-sinking capability declines.Strengthen micro-nano composite junction currently without for EHD
The device for microflute group's enhanced heat exchange for progress composite phase-change heat exchange that structure microflute group is heat sink, arrangement and fixation to electrode are micro-
The multi-angle rotary of frid, microfluidic moistens frid capillary in influence and closed cavity of the air to bubble in phase-change heat-exchange
Wet influence is all factor needed to be considered.
Invention content
(1) technical problems to be solved
Present disclose provides a kind of device for microflute group's enhanced heat exchange, at least partly to solve skill set forth above
Art problem.
(2) technical solution
Present disclose provides a kind of device for microflute group's enhanced heat exchange, including：The experiment sap cavity of one closing, in
Portion is equipped with liquid working substance；Microflute heat exchanger plates are fixed on magnetic rod inside experiment sap cavity by the movement of microflute plate, including：Microflute
Group basis is heat sink；And nano coating, it is created on the heat sink surface in the microflute group basis；High-field electrode passes through high pressure
Vacuum electrode connects high-voltage DC power supply, applies electric field action to microflute heat exchanger plates；Heating rod is located inside experiment sap cavity,
Adjusting power makes liquid working substance reach saturated liquid temperature；And vacuum orifice, it is set on experiment sap cavity wall, connection
Vacuum pump obtains high vacuum or connection compression pump obtains positive pressure.
In some embodiments of the present disclosure, high-field electrode is line electrode, plate electrode or pin electrode；Plate electrode generates
Uniform electric field, line electrode and pin electrode generate non-uniform electric field；The voltage of high-voltage DC power supply is 1~50kV.
In some embodiments of the present disclosure, the material of nano coating is metal, metal oxide, metal fluoride, half
Conductor material or organic polymer coating；The thickness of nano coating is 0~1000nm.
In some embodiments of the present disclosure, microflute heat exchanger plates by microflute plate movement magnetic rod can realize translation and
360 ° of rotations；High-field electrode by electrode movement magnetic rod can realize electrode translation and 360 ° rotation.
In some embodiments of the present disclosure, test and further included inside sap cavity：Temperature sensor is connected by vacuum electrode
To data collecting system, the temperature of liquid working substance is measured；And coil pipe, its underpart are provided with condensation water drainage plate, make condensation
Drop is flowed by drainage plate in experiment sap cavity.
In some embodiments of the present disclosure, test and further included on sap cavity wall：Digital pressure gauge is connected by vacuum electrode
To data collecting system, the pressure of steam in measurement experiment sap cavity；Inlet is injected by liquid feed valve into experiment sap cavity
Liquid working substance；And leakage fluid dram, the liquid working substance in cavity is excluded, and be stored in liquid storage tank by tapping valve.
In some embodiments of the present disclosure, experiment sap cavity is individual cavity or linker；In linker, experiment sap cavity leads to
Bellows connection liquid storage cylinder is crossed, the bellows is arc, ensures two sap cavity pressure balances.
In some embodiments of the present disclosure, experiment sap cavity is rustless steel container, is provided with visual glass windows, top cover on one side
Plate is also equipped with the visible area of small area, inputs lighting source.
In some embodiments of the present disclosure, liquid working substance is water, alcohol, FC-72, R113, R123, R141 or positive penta
Alkane.
In some embodiments of the present disclosure, experiment sap cavity, which is placed on cavity fixation stent or optical translation platform, to be surveyed
Examination experiment.
(3) advantageous effect
It can be seen from the above technical proposal that the disclosure is used for the device of microflute group's enhanced heat exchange at least with beneficial below
One of effect：
(1) ultra-high surface that hydrophilic nano coating has in microflute heat exchange plate surface can enhance liquid working substance micro-
Surface energy and roughness in conduit, improve surface wetting characteristic, so that heat sink occur continual high-strength complex
Phase-change heat-exchange is closed, enhances the exchange capability of heat of the device for microflute group's enhanced heat exchange；
(2) liquid working substance is applied directional and is led by Coulomb force, dielectrophoresis force and the electroluminescent convergent force under electric field action
The effect of drawing increases the mass flow of liquid working substance, reduces thermal resistance, effectively lifts capillary wetting length of the liquid working substance in micro-channel
Degree so that heat sink occur continual high-strength composite phase-change heat-exchange, is enhanced for the dress of microflute group's enhanced heat exchange
The exchange capability of heat put；
(3) it tests on sap cavity wall and is provided with digital pressure gauge, the steam pressure of intracavitary can be measured, there is vacuum orifice, even
It connects that vacuum pump can obtain high vacuum or connection compression pump obtains positive pressure, realizes positive pressure, the experimental situation of high vacuum；
(4) test in sap cavity and be provided with electrode movement magnetic rod, high-field electrode can realize electrode translation and 360 °
Rotation；Microflute plate magnetic rod is provided in experiment sap cavity, microflute plate can realize translation and 0~360 ° of flexible rotating.
(5) include copper tube coil for the device of microflute group's enhanced heat exchange, its underpart is provided with condensation water drainage plate, makes to coagulate
It ties drop to flow into experiment sap cavity by drainage plate, the microbubble in experimentation can be had an impact to avoid air bubble.
Description of the drawings
Fig. 1 is a kind of structure diagram of device for microflute group's enhanced heat exchange of the embodiment of the present disclosure.
Fig. 2 is for the connection mode of microflute heat exchanger plates and line electrode in the device of microflute group's enhanced heat exchange shown in Fig. 1.
Fig. 3 is for the connection mode of microflute heat exchanger plates and plate electrode in the device of microflute group's enhanced heat exchange shown in Fig. 1.
Fig. 4 is for the connection mode of microflute heat exchanger plates and needle electrode in the device of microflute group's enhanced heat exchange shown in Fig. 1.
Fig. 5 is for the structure diagram of condenser coil and drainage plate in the device of microflute group's enhanced heat exchange shown in Fig. 1.
Fig. 6 is a kind of structure diagram of the device for microflute group's enhanced heat exchange of the embodiment of the present disclosure two.
【Embodiment of the present disclosure main element symbol description in attached drawing】
10- tests sap cavity；
11- visual glass windows；12- cover boards；
13- lighting sources；14- inlets；
15- liquid feed valves；16- leakage fluid drams；
17- tapping valves；18- liquid storage tanks；
20- microflute heat exchanger plates；
21- microflute plate movement magnetic rods；
30- high-field electrodes；
31- electrode movement magnetic rods；32- high-voltage DC power supplies；
33- line electrodes；34- plate electrodes；
35- needle electrodes；36- high pressure vacuum electrodes；
40- vacuum electrodes；
41- temperature sensors；42- voltage controller power sources；
43- heating rods；
50- vacuum orifices；
51- digital pressure gauges；52- vacuum electrodes；
60- data collecting systems；
70- condenser coils；
71- condensation water drainage plates；
80- cavity fixation stents or optical translation platform；
90- liquid storage cylinders；
91- bellowss；92- connecting tubes.
Specific embodiment
Present disclose provides a kind of device for microflute group's enhanced heat exchange, experiment sap cavity, microflute including a closing
Heat exchanger plates and high-field electrode.Wherein, equipped with liquid working substance inside experiment sap cavity, microflute heat exchanger plates and high-field electrode pass through magnetic rod
It is fixed on inside experiment sap cavity；High-field electrode connects high-voltage DC power supply, applies electric field action to microflute heat exchanger plates；Microflute exchanges heat
Plate includes the basic heat sink and nano coating of microflute group.Microflute heat exchanger plates table in the device for microflute group's enhanced heat exchange of the disclosure
The ultra-high surface that nano coating on face has can enhance surface energy and roughness of the liquid working substance in micro-channel, improve
Surface wetting characteristic so that heat sink occur continual high-strength composite phase-change heat-exchange, enhances strong for microflute group
Change the exchange capability of heat of the device of heat exchange.
Purpose, technical scheme and advantage to make the disclosure are more clearly understood, below in conjunction with specific embodiment, and reference
The disclosure is further described in attached drawing.
Disclosure some embodiments will be done with reference to appended attached drawing in rear and more comprehensively describe to property, some of but not complete
The embodiment in portion will be shown.In fact, the various embodiments of the disclosure can be realized in many different forms, and should not be construed
To be limited to this several illustrated embodiment；Relatively, these embodiments are provided so that the disclosure meets applicable legal requirement.
In first exemplary embodiment of the disclosure, a kind of device for microflute group's enhanced heat exchange is provided.Fig. 1
It is the structure diagram for the device that the first embodiment of the present disclosure is used for microflute group's enhanced heat exchange.As shown in Figure 1, the disclosure is used for
The device of microflute group's enhanced heat exchange includes：The experiment sap cavity 10 of one closing, it is internal that liquid working substance is housed；Microflute heat exchanger plates
20, it is fixed on inside experiment sap cavity 10 by microflute plate movement magnetic rod 21, including：Microflute group basis is heat sink；And nanometer
Coating；High-field electrode 30, high-voltage DC power supply 32 is connected by high pressure vacuum electrode 36, applies electric field to microflute heat exchanger plates 20
Effect；Heating rod 43 is located inside experiment sap cavity 10, is connect by vacuum electrode 40 with external voltage controller power source 19, adjusts electricity
Source power makes liquid working substance reach saturated liquid temperature；Temperature sensor 41 is acquired by vacuum electrode 40 and external data
System 60 connects；Digital pressure gauge 51, the steam pressure in measurement experiment sap cavity 10；Vacuum orifice 50 connects vacuum pump
It obtains high vacuum or connection compression pump obtains positive pressure；Inlet 14, by liquid feed valve 15 to experiment sap cavity 10 in inject it is a certain amount of
Liquid working substance；Leakage fluid dram 16 excludes the liquid working substance in cavity, and store it in liquid storage tank 18 by tapping valve 17,
And copper tube coil 70, it is located inside experiment sap cavity 10, lower part is provided with condensation water drainage plate 71, makes condensation drop by drawing
Flowing plate is flowed into experiment sap cavity.
Each component part of the present embodiment for the device of microflute group's enhanced heat exchange is described in detail individually below.
As shown in Figure 1, experiment sap cavity 10 is the rustless steel container of a closing, inside dimension is that radius is 250~1000mm,
High 300~1000mm.Experiment sap cavity 10 is provided with visual glass windows 11 on one side, for observing and shooting experimental phenomena, top cover
The visible area of small area is provided at plate 12, is mainly used for the input of lighting source 13.
Test sap cavity 10 in be equipped with certain capacity liquid working substance, liquid working substance can be water (or alcohol, FC-72, R113,
R123, R141 or pentane) etc. organic or inorganic solvents.The height of liquid working substance there was not microflute heat exchanger plates 20, microflute heat exchanger plates
Translation and 360 ° of rotations can be realized by microflute plate movement magnetic rod 21.Experiment sap cavity 10 bottom be equipped with leakage fluid dram 16 with
Liquid is discharged, and is stored in liquid pool 18, is recycled and recycles.
Microflute heat exchanger plates 20 are heat sink for micro-nano compound structure microflute group in Fig. 1, applied including the basic heat sink and nanometer of microflute group
Layer.20 apparent size of microflute heat exchanger plates grow and it is wide be 10~150mm；A part for heat exchanging piece is immersed in liquid working substance, micro-
Electric heating film is posted in 20 behind of slot heat exchanger plates, and as the input of thermic load, 3 temperature sensors are affixed on electric heating film rear portion, gathers
Tetrafluoroethene heat shield is wrapped in the back of temperature sensor and heat exchanging piece 20,2 temperature sensors of polytetrafluoro material outer patch,
For testing the heat loss of polytetrafluoroethylene (PTFE) outside microflute group's heat exchanging piece.Nano coating is hydrophilic nano coating, and nano particle is high
It spends for 0.01~300nm, mutual spacing is 0.01~1000nm.
The voltage of the present embodiment mesohigh DC power supply is 1~50kV.Temperature sensor 41 and digital pressure gauge 51 connect
To data collecting system 60, for obtaining the temperature and pressure signal in experiment sap cavity 10.
Fig. 2~Fig. 4 is for the connection side of microflute heat exchanger plates and electrode in the device of microflute group's enhanced heat exchange shown in Fig. 1
Formula.As shown in Figure 2 to 4, three kinds of forms that the high voltage electric field in the present embodiment generates：It is illustrated in figure 2 microflute plate --- line
Electrode structure, generation is non-uniform electric field；It is illustrated in figure 3 microflute plate --- plate electrode structures, generation is uniform electricity
；Be illustrated in figure 4 microflute plate --- pin electrode structure, the non-uniform electric field of generation.High-field electrode 30 passes through electrode movement
Translation and 360 ° of rotations with the realization electrode of magnetic rod 31.
Fig. 5 is for the knot of condenser coil 70 and condensation water drainage plate 71 in the device of microflute group's enhanced heat exchange shown in Fig. 1
Structure schematic diagram.Lead to the air pressure that cooling water carrys out steam in control chamber in condenser coil 70, cooling water flow is by being mounted on condensate pans
Flowmeter on pipe is adjusted.Intracavitary is provided with capillary wick or sponge, for preventing the generation of condensation drop.Coil pipe is arranged with solidifying
Liquid drainage plate 71 is tied, material is stainless steel plate, and condensation drop is made to be flowed into experiment sap cavity by drainage plate, prevents drips from making
Into the fluctuation of liquid level, the microfluidic of liquid in microflute group is influenced.
It should be noted that experiment sap cavity 20, which is placed on cavity fixation stent or optical translation platform 80, carries out test in fact
It tests.
So far, a kind of device introduction for microflute group's enhanced heat exchange of the first embodiment of the present disclosure finishes.
Certainly, according to actual needs, the preparation method of disclosure display device also includes other techniques and step, due to
Innovation with the disclosure is unrelated, and details are not described herein again.
In second exemplary embodiment of the disclosure, a kind of device for microflute group's enhanced heat exchange is provided.Fig. 6
It is the structure diagram for the device that the second embodiment of the present disclosure is used for microflute group's enhanced heat exchange.As shown in fig. 6, and first embodiment
The device for microflute group's enhanced heat exchange compare, the present embodiment for microflute group's enhanced heat exchange device difference lies in：
Experiment sap cavity 10 is connected with liquid storage cylinder 90, is connected by bellows 92, and experiment sap cavity 10 generates in heating process
Condensed steam be conducted into liquid storage cylinder by bellows 92, realize two sap cavity pressure balances.In addition, experiment sap cavity 10 and storage
Cavity connecting tube 92 is arranged at 90 bottom of sap cavity, facilitate experiment sap cavity 10 because heating generate steam flow into liquid storage cylinder 90 in caused by liquid level not
Balance.
As shown in fig. 6, pressure sensor 6 tests the pressure in cavity 10 for monitoring, to protect air pressure in two sap cavities
Maintain an equal level weighing apparatus, and bellows design camber facilitates the inflow of condensed steam, reduces flow resistance, steam is facilitated to flow rapidly into liquid storage
In chamber 90.In addition, intracavitary is provided with capillary wick or sponge, for preventing the generation of additional condensation drop.
In addition, condenser coil 70 is set in liquid storage cylinder 90, interior logical cooling water comes the air pressure of steam in control chamber, cooling water
Flow is adjusted by the flowmeter being mounted on condenser coil.Intracavitary is provided with capillary wick or sponge, for preventing condensation drop
Generation.
In order to achieve the purpose that brief description, in above-described embodiment 1, any technical characteristic narration for making same application is all
And in this, without repeating identical narration.
So far, a kind of device introduction for microflute group's enhanced heat exchange of the second embodiment of the present disclosure finishes.
So far, attached drawing is had been combined the embodiment of the present disclosure is described in detail.According to above description, art technology
Personnel should have clear understanding to the device for microflute group's enhanced heat exchange of the disclosure.
It should be noted that in attached drawing or specification text, the realization method that is not painted or describes is affiliated technology
Form known to a person of ordinary skill in the art in field, is not described in detail.In addition, the above-mentioned definition to each element and method is simultaneously
Various concrete structures, shape or the mode mentioned in embodiment are not limited only to, those of ordinary skill in the art can carry out letter to it
It singly changes or replaces.
In conclusion the device for microflute group's enhanced heat exchange that the disclosure is somebody's turn to do can realize that microflute group carries out infrastest institute
The electrodeless translation needed and 360 ° of rotations are, it can be achieved that the experimental situation of positive pressure and high vacuum and carrying out timely fluid infusion and superpower changing
The infrastest of heat.
It should also be noted that, the direction term mentioned in embodiment, for example, " on ", " under ", "front", "rear", " left side ",
" right side " etc. is only the direction of refer to the attached drawing, is not used for limiting the protection domain of the disclosure.Through attached drawing, identical element by
Same or similar reference numeral represents.When understanding of this disclosure may be caused to cause to obscure, conventional structure will be omitted
Or construction.
And the shape and size of each component do not reflect actual size and ratio in figure, and only illustrate the embodiment of the present disclosure
Content.In addition, in the claims, any reference mark between bracket should not be configured to the limit to claim
System.
Furthermore word "comprising" does not exclude the presence of element or step not listed in the claims.Before element
Word "a" or "an" does not exclude the presence of multiple such elements.
Similarly, it should be understood that in order to simplify the disclosure and help to understand one or more of each open aspect,
Above in the description of the exemplary embodiment of the disclosure, each feature of the disclosure is grouped together into single implementation sometimes
In example, figure or descriptions thereof.However, the method for the disclosure should be construed to reflect following intention：I.e. required guarantor
The disclosure of shield requires features more more than the feature being expressly recited in each claim.More precisely, as following
Claims reflect as, open aspect is all features less than single embodiment disclosed above.Therefore,
Thus the claims for following specific embodiment are expressly incorporated in the specific embodiment, wherein each claim is in itself
All as the separate embodiments of the disclosure.
Particular embodiments described above has carried out the purpose, technical solution and advantageous effect of the disclosure further in detail
It describes in detail bright, it should be understood that the foregoing is merely the specific embodiment of the disclosure, is not limited to the disclosure, it is all
Within the spirit and principle of the disclosure, any modification, equivalent substitution, improvement and etc. done should be included in the guarantor of the disclosure
Within the scope of shield.
Claims (10)
1. a kind of device for microflute group's enhanced heat exchange, including：
The experiment sap cavity (10) of one closing, it is internal that liquid working substance is housed；
Microflute heat exchanger plates (20) are fixed on experiment sap cavity (10) inside by the movement of microflute plate with magnetic rod (21), including：
Microflute group basis is heat sink；And
Nano coating；It is created on the heat sink surface in the microflute group basis；
High-field electrode (30) connects high-voltage DC power supply (32), to the microflute heat exchanger plates by high pressure vacuum electrode (36)
(20) apply electric field action；
Heating rod (43) is located at experiment sap cavity (10) inside, and adjusting power makes liquid working substance reach saturated liquid
Temperature；And
Vacuum orifice (50) is set on described experiment sap cavity (10) wall, and connection vacuum pump obtains high vacuum or connection pressure
Pump obtains positive pressure.
2. the device according to claim 1 for microflute group's enhanced heat exchange, wherein,
The high-field electrode (30) is line electrode, plate electrode or pin electrode；
The plate electrode generates uniform electric field, and the line electrode and pin electrode generate non-uniform electric field；High-voltage DC power supply
Voltage is 1~50kV；
The voltage of the high-voltage DC power supply (32) is 1~50kV.
3. the device according to claim 1 for microflute group's enhanced heat exchange, wherein,
The material of the nano coating is metal, metal oxide, metal fluoride, semi-conducting material or organic polymer apply
Material；
The thickness of the nano coating is 0~1000nm.
4. the device according to claim 1 for microflute group's enhanced heat exchange, wherein,
The microflute heat exchanger plates (20) can realize translation and 360 ° of rotations by microflute plate movement magnetic rod (21)；
The high-field electrode (30) by electrode movement magnetic rod (31) can realize electrode translation and 360 ° rotation.
5. the device according to claim 1 for microflute group's enhanced heat exchange, wherein,
It is further included inside the experiment sap cavity (10)：
Temperature sensor (41) is connected to data collecting system (60) by vacuum electrode (40), measures the temperature of liquid working substance
Degree；And
Coil pipe (70), its underpart are provided with condensation water drainage plate (71), and condensation drop is made to be flowed into experiment sap cavity by drainage plate.
6. the device according to claim 1 for microflute group's enhanced heat exchange, wherein,
It is further included on described experiment sap cavity (10) wall：
The digital pressure gauge (51) is connected to data collecting system (60), measurement experiment sap cavity by vacuum electrode (40)
(10) pressure of interior steam；
Inlet (14) injects liquid working substance by liquid feed valve (15) into the experiment sap cavity (10)；And
Leakage fluid dram (16) excludes the liquid working substance in the experiment sap cavity (10), and be stored in liquid storage by tapping valve (17)
In pond (18).
7. the device according to any one of claim 1 to 6 for microflute group's enhanced heat exchange, wherein,
The experiment sap cavity (10) is individual cavity or linker；
In the linker, experiment sap cavity (10) connects liquid storage cylinder (90) by bellows (92), and the bellows (92) is arc
Shape ensures two sap cavity pressure balances.
8. according to the device for microflute group's enhanced heat exchange of any one of claim 1 to 7, wherein,
The experiment sap cavity (10) is rustless steel container, is provided with visual glass windows on one side, top blind flange is also equipped with small area
Visible area inputs lighting source.
9. the device for microflute group's enhanced heat exchange according to claim 1,5, any one of 6, wherein,
The liquid working substance is water, alcohol, FC-72, R113, R123, R141 or pentane.
10. according to the device for microflute group's enhanced heat exchange of any one of claim 1 to 8, wherein,
The experiment sap cavity (10), which is placed on cavity fixation stent or optical translation platform (80), carries out test experiments.
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| CN201810143999.3A CN108204675B (en) | 2018-02-11 | 2018-02-11 | Device for strengthening heat exchange of micro-groove group |
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| CN109100392A (en) * | 2018-09-05 | 2018-12-28 | 中国科学院工程热物理研究所 | Heat sink heating module and composite phase-change heat transfer experiment equipment |
| CN112611240A (en) * | 2020-12-10 | 2021-04-06 | 武汉大学 | Device and method for enhancing condensation heat exchange by utilizing ion wind |
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| US20120279068A1 (en) * | 2009-04-07 | 2012-11-08 | University Of Central Florida Research Foundation, Inc. | Hydrophilic particle enhanced heat exchange |
| CN107223004A (en) * | 2017-06-09 | 2017-09-29 | 苏州科技大学 | A kind of device and method of microchannel surface formula misting cooling augmentation of heat transfer |
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| US20060289662A1 (en) * | 2005-05-10 | 2006-12-28 | Dessiatoun Serguei V | Compact heat exchanging device based on microfabricated heat transfer surfaces |
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| CN107223004A (en) * | 2017-06-09 | 2017-09-29 | 苏州科技大学 | A kind of device and method of microchannel surface formula misting cooling augmentation of heat transfer |
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| CN108204675B (en) | 2024-01-09 |
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