CN107917554A - Flat-plate heat pipe expanded type condensing unit - Google Patents
Flat-plate heat pipe expanded type condensing unit Download PDFInfo
- Publication number
- CN107917554A CN107917554A CN201711210228.3A CN201711210228A CN107917554A CN 107917554 A CN107917554 A CN 107917554A CN 201711210228 A CN201711210228 A CN 201711210228A CN 107917554 A CN107917554 A CN 107917554A
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- CN
- China
- Prior art keywords
- flat
- heat pipe
- plate heat
- plate
- condensing unit
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
- F25B39/04—Condensers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
Abstract
The present invention relates to heat dissipation, there is provided a kind of flat-plate heat pipe expanded type condensing unit, including multiple row flat-plate heat pipe, condenser cavity, air inlet pipe and outlet tube, wherein：Air inlet and liquid outlet are provided with condenser cavity, it is further opened with condenser cavity and each flat-plate heat pipe some pilot holes correspondingly, each flat-plate heat pipe is installed at corresponding pilot hole and is at least partially disposed in condenser chamber body, and air inlet pipe and outlet tube are connected with air inlet and liquid outlet respectively.The condensing unit of the present invention, since flat-plate heat pipe and condenser cavity are all planar structures, and wall thickness is all very thin, contact area is big, is combined as a whole by welding or adhering method, and since evaporator section is arranged at condenser inside cavity, directly contacted with gas refrigeration working medium, can effectively reduce heat transfer resistance, and the structure combined by flat-plate heat pipe with condenser cavity, condensing unit heat-sinking capability can be strengthened, while improve condensing unit reliability.
Description
Technical field
The present invention relates to heat dissipation, more particularly to a kind of flat-plate heat pipe expanded type condensing unit.
Background technology
As the heat dissipation capacity of electronic device and powerful device increased dramatically, heat flow density drastically raises, influence component and
The stability and security of system operation, it is necessary to outside dissipation can work normally in time by heat, to heat dissipation equipment or
Refrigeration system proposes the requirement of higher.
At present, condenser in refrigeration systems is generally coiled tube condenser, some aluminium or copper in coil pipe outer cover
A formation fin, is taken away heat using air blast cooling.Also a kind of condenser be made of many concurrent flow aluminum pipes, it is adjacent
Concurrent flow aluminum pipe between arrange it is Wavelike finned, form condenser.In heat transfer process, gaseous working medium is in condenser pipe
Interior condensation heat, heat by condensation tube wall outside portion fin transmission, by the heat convection of fin and air by heat to
Extraneous dissipation.
The convection transfer rate between condensation heat transfer coefficient, fin and air in condenser pipe is to condenser totality heat-exchange performance
There can be important influence.Usual radiating fin is very thin, is limited by fin efficiency, and fin height cannot be too big, the base portion of existing fin
With end there are the larger temperature difference, if wanting to improve heat-sinking capability, number of fins and condenser pipe length can only be increased, make condenser
Continuous area increased could meet cooling requirements in the in-plane direction, so as to cause condensation vessel volume and weight to increase.In order to carry
The heat-sinking capability of high condenser, not only increases condensation heat transfer coefficient and heat exchange area to method, especially to increase fin heat dissipation
Area and the fin efficiency for improving fin.
The content of the invention
It is an object of the invention to provide a kind of flat-plate heat pipe expanded type condensing unit, it is intended to for solving existing condensation
The problem of heat dissipation effect of the radiating fin of device is not high.
What the present invention was realized in：
The embodiment of the present invention provides a kind of flat-plate heat pipe expanded type condensing unit, including multiple row flat-plate heat pipe, condenser chamber
Body, air inlet pipe and outlet tube, wherein：Air inlet and liquid outlet, the condenser cavity are provided with the condenser cavity
On be further opened with installing in corresponding institute with each flat-plate heat pipe some pilot holes correspondingly, each flat-plate heat pipe
State at pilot hole and be at least partially disposed in the condenser chamber body, between the flat-plate heat pipe and the condenser cavity mutually not
Connection, the air inlet pipe and outlet tube are connected with air inlet and liquid outlet respectively.
As the preferred embodiment of the present invention, the first through plate is further included, each flat-plate heat pipe is away from the condensation
The inner cavity of first through plate is stretched into one end of device cavity, and the inner cavity with first through plate connects.
As the preferred embodiment of the present invention, the first filling tube is provided with first through plate, described first fills
Tubulature is connected with the inner cavity of first through plate.
As the preferred embodiment of the present invention, the second through plate is further included, the other end of flat-plate heat pipe is equal described in each column
Through the condenser cavity and it is fixedly connected on second through plate.
As the preferred embodiment of the present invention, the second filling tube is also communicated with second through plate.
As the preferred embodiment of the present invention, the flat-plate heat pipe includes metallic tablet and is opened in the metallic
At least one capillary structure inside tablet.
As the preferred embodiment of the present invention, the capillary structure is microflute or capillary wick, the length of the capillary structure
Degree is identical with the length of the flat-plate heat pipe.
As the preferred embodiment of the present invention, the cross sectional shape of the microflute capillary structure is rectangle, triangle, polygon
Shape, circle or the polymorphic structure with protrusion.
As the preferred embodiment of the present invention, fin is equipped between the flat-plate heat pipe.
As the preferred embodiment of the present invention, cementing between the flat-plate heat pipe and the condenser cavity or weldering
Connect.
As the preferred embodiment of the present invention, the condenser cavity is in flat, cylindrical shape, semi-circular cylindrical, V-shaped
Or it is arc-shaped, each flat-plate heat pipe is vertical or inclination is installed on the condenser cavity.
As the preferred embodiment of the present invention, each flat-plate heat pipe at least 2, is distributed in array.
The invention has the advantages that：
In the condensing unit of the present invention, multiple flat-plate heat pipes, each flat-plate heat pipe part are provided with condenser cavity
In condenser chamber body, and another part exposes to condenser cavity, and condenser device can be by once welding completion
Overall structure, development technology process are simple.Since flat-plate heat pipe wall thickness is very thin, and evaporator section is arranged at condenser inside cavity,
Directly contacted with gas refrigeration working medium, can effectively reduce heat transfer resistance；Meanwhile flat-plate heat pipe substitutes traditional copper, aluminum fin-stock knot
Structure, can effectively improve fin efficiency, can also be by setting fin, further increasing heat radiation area between flat-plate heat pipe；If
Dry flat-plate heat pipe is interconnected by the first through plate, can disposably complete work to all flat-plate heat pipes by the first filling tube
Matter fills；In radiation processes, gas-liquid working medium automatic adjustment can be carried out according to local heat dissipation capacity size between each flat-plate heat pipe
And balance, condensing unit is more efficiently radiated.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the structure diagram of flat-plate heat pipe expanded type condensing unit provided in an embodiment of the present invention；
Fig. 2 is the structure diagram of another embodiment of flat-plate heat pipe expanded type condensing unit provided in an embodiment of the present invention；
Fig. 3 is the structure diagram of the flat-plate heat pipe expanded type condensing unit condenser cavity of Fig. 1；
Fig. 4 is the cross-sectional view at the first visual angle of the flat-plate heat pipe expanded type condensing unit of Fig. 1；
Fig. 5 is the cross-sectional view at the second visual angle of the flat-plate heat pipe expanded type condensing unit of Fig. 1；
Fig. 6 is the structure diagram of the first through plate of the flat-plate heat pipe expanded type condensing unit of Fig. 1.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained all other without making creative work
Embodiment, belongs to the scope of protection of the invention.
Referring to Fig. 1 and Fig. 3, the embodiment of the present invention provides a kind of flat-plate heat pipe expanded type condensing unit, including condenser
Cavity 1, multiple row flat-plate heat pipe 2, air inlet pipe 12 and outlet tube 13, wherein：
Air inlet and liquid outlet are provided with condenser cavity 1, gaseous refrigerant working medium enters condenser chamber by air inlet
In body 1, and release heat is mutually changed into liquid in condenser cavity 1, and the refrigeration working medium of liquid is exported by liquid outlet, it can be
The overall structure once welded, condensing unit have further included some flat-plate heat pipes 2, heat transfer medium can be filled with each flat-plate heat pipe 2,
It is additionally provided with that some pilot holes 111, each flat-plate heat pipe 2 are pacified correspondingly with each flat-plate heat pipe 2 on condenser cavity 1
At corresponding pilot hole 111 and it is at least partially disposed in condenser cavity 1, and is adopted between flat-plate heat pipe 2 and condenser cavity 1
Fixed, do not connected mutually between flat-plate heat pipe 2 and condenser cavity 1, air inlet pipe 12 and outlet tube with cementing or welding mode
13 connect condenser cavity 1, are specifically that air inlet pipe 12 is connected with air inlet, outlet tube 13 is connected with liquid outlet, i.e. gaseous state system
Cold working medium is imported in condenser cavity 1 by air inlet pipe 12, and heat exchange is mutually changed into after liquid by outlet tube 13 in condenser cavity 1
Discharge, and condenser cavity 1 can facilitate condensing unit to be connected peace with peripheral device by setting air inlet pipe 12 and outlet tube 13
Dress.
In the present invention, the gaseous refrigerant working medium in condenser cavity 1 can phase with the liquid heat transfer working medium in flat-plate heat pipe 2
Together, can not also be identical.Evaporator section is located in condenser cavity 1, and condensation segment is then located at the outside of condenser cavity 1, by air inlet
Pipe 12 imports gaseous refrigerant working medium into condenser cavity 1, and gaseous refrigerant working medium is between 2 evaporator section outer surface of flat-plate heat pipe
Gap is flowed and is gradually cooled down, and gaseous refrigerant working medium exchanges heat with the liquid heat transfer working medium in flat-plate heat pipe 2, then gaseous refrigerant working medium
Release heat is mutually changed into liquid, is discharged by outlet tube 13, while the liquid heat transfer working medium heat absorption in each flat-plate heat pipe 2 is mutually changed into gas
State, and gaseous heat-transfer working medium is flowed along flat-plate heat pipe 2, Gaseous heat transfer working medium is condensed into liquid in flow process, and discharges
Heat is into surrounding environment, and the heat-transfer working medium of liquid flows back, and liquid heat transfer working medium is absorbed heat again is mutually changed into gaseous state, so circulation
Heat-transfer working medium is constantly occurring phase transformation and circulates in flat-plate heat pipe 2, makes flat-plate heat pipe 2 generally in equal temperature state, from
And make the heat of condensing unit efficiently outwardly environment dissipation.Since 2 wall thickness of flat-plate heat pipe is all very thin, and evaporator section is arranged at
Inside condenser cavity 1, directly contacted with gas refrigeration working medium, can effectively reduce heat transfer resistance, and by flat-plate heat pipe 2 with it is cold
The structure that condenser cavity 1 combines, can strengthen condensing unit heat-sinking capability, while improve condensing unit reliability, in addition use
Flat-plate heat pipe 2 substitutes traditional copper, aluminum fin-stock structure, can effectively improve fin efficiency.
Referring to Fig. 4-Fig. 6, in a preferred embodiment of the invention, condensing unit further includes the first through plate 3, each tablet heat
The inner cavity of the first through plate 3 is stretched into the one end of pipe 2 away from condenser cavity 1, both can be by the way of welding or is cementing
Connection is fixed, and inner cavity of each flat-plate heat pipe 2 with the first through plate 3 connects.In the present embodiment, made by the first through plate 3
Obtain each flat-plate heat pipe 2 to be interconnected, internal heat-transfer working medium can be flowed and adjusted according to pressure changing, Suo Youping
Pressure in 2 inner cavity of plate heat pipe is equal, i.e., flat-plate heat pipe 2 can carry out gas-liquid working medium automatic adjustment according to local heat dissipation capacity size
And balance, condensing unit is more efficiently radiated, and can be to the disposably filling heat transfer of each flat-plate heat pipe 2 by through plate 3
Medium, it is more convenient.
Referring to Fig. 5 and Fig. 6, optimize above-described embodiment, the first filling tube 31 should be provided with the first through plate 3, the
One filling tube 31 is connected with the inner cavity of the first through plate 3, and being filled with heat transfer into each flat-plate heat pipe 2 from first filling tube 31 is situated between
Matter.The structure of the first through plate 3 is refined, the first through plate 3 has the connection cover board 32 set towards condenser cavity 1, connection
32 and first through plate 3 of cover board is enclosed above-mentioned inner cavity, is provided with connection cover board 32 and is corresponded with flat-plate heat pipe 2
Some mounting holes 321, the end of the condensation segment of each flat-plate heat pipe 2 is stretched into the mounting hole 321 of corresponding connection cover board 32.
Certainly, actually condenser cavity 1 is also equipped with condensation 11 structure of cover board, and condensation cover board 11 is oppositely arranged with connecting cover board 32,
Condensation cover board 11 is enclosed the condensation inside cavity space of sealing, each pilot hole of condenser cavity 1 with condenser cavity 1
111 are opened on condensation cover board 11.By condensing cover board 11 with connecting 32 structure of cover board, mainly facilitate machining condenser chamber
The inner space of body 1 and through plate 3, and after being machined in both inner spaces, then condensation cover board 11 and connecting is covered
Plate 32 is mounted on 1 and first through plate 3 of condenser cavity respectively.
In another embodiment provided by the invention, condensing unit has further included the second through plate (not shown), often
The other end of row flat-plate heat pipe 2 both passes through condenser cavity 1 and is fixedly connected on the second through plate.In the present embodiment, put down
Plate heat pipe 2, the first through plate 3 and the second through plate form the enclosure space of an entirety, and this enclosure space passes through condensation
Device cavity 1, it is simple in structure by the first filling tube 31 to vacuumizing and filling working medium inside flat-plate heat pipe 2, it is reliable and stable.When
So, the structure of the second through plate is close with the structure of the first through plate 3, it can also be communicated with the second filling tube.
Referring to Fig. 2, certainly, in a further embodiment, condensing unit is not provided with connection harden structure, each flat-plate heat pipe 2
Both ends sealed, wherein one end is located in condenser cavity 1, and the other end is then positioned at the outside of condenser cavity 1.
Referring again to Fig. 4 and Fig. 5, in preferred embodiment provided by the invention, 2 outer surface of flat-plate heat pipe is planar junction
Structure, flat-plate heat pipe 2 include metallic tablet and at least one capillary structure being opened in inside the metallic tablet (in figure not
Show), capillary structure is microflute or capillary wick, and the length of capillary structure is identical with the length of flat-plate heat pipe 2, and heat-transfer working medium is in hair
Transmission heat is circulated in the cavity of fine texture, the capillary force by capillary structure can accelerate each tablet heat with attaching power
Back-flow velocity in pipe 2, and then improve heat conduction efficiency.Can be microflute or capillary wick for capillary structure, capillary structure
Cross sectional shape be rectangle, it is triangle, polygon, trapezoidal, circular or with raised polymorphic structure etc..
Referring to Fig. 1, optimize above-described embodiment, fin (not shown), fin and tablet heat are equipped between flat-plate heat pipe 2
Pipe 2 welds, by setting fin to increase the surface area of each flat-plate heat pipe 2, so as to improve the heat dissipation of each flat-plate heat pipe 2
Area, heat can be distributed into surrounding environment via each fin, and then can improve the radiating efficiency of each flat-plate heat pipe 2, may be used also
Strengthen the condensation effect of the condensation segment of flat-plate heat pipe 2 in a manner of by air blast cooling.For flat-plate heat pipe 2 and condenser cavity
Fixation can also be connected by the way of welding between 1, or can also be by the way of cementing.
Referring to Fig. 1-Fig. 3, the structure of refinement condenser cavity 1, it is in flat that it is overall, and each pilot hole 111 is opened in
The upper surface of condenser cavity 1, each flat-plate heat pipe 2 are installed on condenser cavity 1 vertically.The upper surface of condenser cavity 1
Area is bigger, and specifically, condenser cavity 1 is the rectangular parallelepiped structure of flat, can be offered on an upper more
Pilot hole 111, i.e. condenser cavity 1 can be matched with multiple flat-plate heat pipes 2 so that the distribution of flat-plate heat pipe 2 is condensed with tradition
The fin of device is similar, ensures the cooling heat transferring efficiency of condenser cavity 1.In general, each flat-plate heat pipe 2 can be according to certain rule
It is distributed, for example can not be contacted between the upper surface array distribution of condenser cavity 1, adjacent flat-plate heat pipe 2,
With gap, according to this arrangement mode, the corresponding flat-plate heat pipe 2 of condenser chamber body 1 can be not only caused to be distributed than more uniform,
And the installation of flat-plate heat pipe 2 can be facilitated.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on, should all be included in the protection scope of the present invention god.
Claims (12)
- A kind of 1. flat-plate heat pipe expanded type condensing unit, it is characterised in that：Including multiple row flat-plate heat pipe, condenser cavity, air inlet Pipe and outlet tube, wherein：Air inlet and liquid outlet are provided with the condenser cavity, is also opened up on the condenser cavity Have that some pilot holes, each flat-plate heat pipe are installed in the correspondence pilot hole correspondingly with each flat-plate heat pipe Place and be at least partially disposed in the condenser chamber body, the flat-plate heat pipe does not connect mutually with the condenser cavity, it is described into Tracheae and outlet tube are connected with air inlet and liquid outlet respectively.
- 2. flat-plate heat pipe expanded type condensing unit as claimed in claim 1, it is characterised in that：The first through plate is further included, respectively The inner cavity of first through plate is stretched into the one end of the flat-plate heat pipe away from the condenser cavity, and with described first The inner cavity connection of through plate.
- 3. flat-plate heat pipe expanded type condensing unit as claimed in claim 2, it is characterised in that：Set on first through plate There is the first filling tube, first filling tube is connected with the inner cavity of first through plate.
- 4. flat-plate heat pipe expanded type condensing unit as claimed in claim 1, it is characterised in that：The second through plate is further included, often The other end for arranging the flat-plate heat pipe both passes through the condenser cavity and is fixedly connected on second through plate.
- 5. flat-plate heat pipe expanded type condensing unit as claimed in claim 4, it is characterised in that：Also connect on second through plate It is connected with the second filling tube.
- 6. flat-plate heat pipe expanded type condensing unit as claimed in claim 1, it is characterised in that：The flat-plate heat pipe includes metal Matter tablet and at least one capillary structure being opened in inside the metallic tablet.
- 7. flat-plate heat pipe expanded type condensing unit as claimed in claim 6, it is characterised in that：The capillary structure for microflute or Capillary wick, the length of the capillary structure are identical with the length of the flat-plate heat pipe.
- 8. flat-plate heat pipe expanded type condensing unit as claimed in claim 7, it is characterised in that：The microflute capillary structure is cut Face shape is rectangle, triangle, polygon, trapezoidal, circular or with protrusion polymorphic structure.
- 9. flat-plate heat pipe expanded type condensing unit as claimed in claim 1, it is characterised in that：It is equipped between the flat-plate heat pipe Fin.
- 10. flat-plate heat pipe expanded type condensing unit as claimed in claim 1, it is characterised in that：The flat-plate heat pipe with it is described Cementing or welding between condenser cavity.
- 11. flat-plate heat pipe expanded type condensing unit as claimed in claim 1, it is characterised in that：The condenser cavity is in flat Flat-shaped, cylindric, semi-circular cylindrical, V-shaped or arc-shaped, each flat-plate heat pipe is vertical or inclination is installed in the condenser On cavity.
- 12. flat-plate heat pipe expanded type condensing unit as claimed in claim 1, it is characterised in that：Each flat-plate heat pipe is at least There are 2, be distributed in array.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711210228.3A CN107917554A (en) | 2017-11-28 | 2017-11-28 | Flat-plate heat pipe expanded type condensing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711210228.3A CN107917554A (en) | 2017-11-28 | 2017-11-28 | Flat-plate heat pipe expanded type condensing unit |
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| Publication Number | Publication Date |
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| CN107917554A true CN107917554A (en) | 2018-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711210228.3A Pending CN107917554A (en) | 2017-11-28 | 2017-11-28 | Flat-plate heat pipe expanded type condensing unit |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110243223A (en) * | 2019-07-12 | 2019-09-17 | 苏州纵贯线换热器有限公司 | A kind of novel high-performance heat exchanger |
| CN111430619A (en) * | 2020-04-09 | 2020-07-17 | 西京学院 | New energy automobile power battery tray with heat dissipation function |
| CN111649610A (en) * | 2020-06-19 | 2020-09-11 | 上海焓庸环保设备有限公司 | Porous medium heat exchange device and system |
| CN115143666A (en) * | 2022-06-23 | 2022-10-04 | 华南理工大学 | Carbon dioxide gas cooler of microchannel coupling fin type heat pipe |
| TWI801696B (en) * | 2019-01-29 | 2023-05-11 | 大陸商株洲智熱技術有限公司 | Phase change cooling device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| TWI801696B (en) * | 2019-01-29 | 2023-05-11 | 大陸商株洲智熱技術有限公司 | Phase change cooling device |
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| CN111649610B (en) * | 2020-06-19 | 2022-04-15 | 上海焓庸环保设备有限公司 | Porous medium heat exchange device and system |
| CN115143666A (en) * | 2022-06-23 | 2022-10-04 | 华南理工大学 | Carbon dioxide gas cooler of microchannel coupling fin type heat pipe |
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