CN110230935A - Strong heat adaptability plate-fin heat exchanger core body with flexible structure - Google Patents
Strong heat adaptability plate-fin heat exchanger core body with flexible structure Download PDFInfo
- Publication number
- CN110230935A CN110230935A CN201910506120.1A CN201910506120A CN110230935A CN 110230935 A CN110230935 A CN 110230935A CN 201910506120 A CN201910506120 A CN 201910506120A CN 110230935 A CN110230935 A CN 110230935A
- Authority
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- China
- Prior art keywords
- fin
- heat exchanger
- exchanger core
- adaptability
- 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.)
- Granted
Links
- 239000012530 fluid Substances 0.000 claims abstract description 32
- 238000005192 partition Methods 0.000 claims abstract description 31
- 238000007789 sealing Methods 0.000 claims abstract description 24
- 238000012546 transfer Methods 0.000 claims abstract description 8
- 230000002708 enhancing effect Effects 0.000 claims description 4
- 230000003416 augmentation Effects 0.000 claims description 2
- 238000005476 soldering Methods 0.000 claims description 2
- 239000004744 fabric Substances 0.000 claims 1
- 230000006378 damage Effects 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 11
- 238000013461 design Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 238000005457 optimization Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000004364 calculation method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000008646 thermal stress Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000002929 anti-fatigue Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000002939 deleterious effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000036244 malformation Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D9/0031—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F11/00—Arrangements for sealing leaky tubes and conduits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
- F28F21/081—Heat exchange elements made from metals or metal alloys
- F28F21/084—Heat exchange elements made from metals or metal alloys from aluminium or aluminium alloys
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
- F28F9/04—Arrangements for sealing elements into header boxes or end plates
- F28F9/16—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling
- F28F9/18—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling by welding
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/24—Arrangements for promoting turbulent flow of heat-exchange media, e.g. by plates
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a strong heat adaptability plate-fin heat exchanger core body with a flexible structure, which comprises a cover plate, sealing strips, expansion-contraction type partition plates and expansion-contraction type fins, wherein a groove is formed in the middle position of the cover plate, a plurality of layers of the expansion-contraction type partition plates and a plurality of layers of the expansion-contraction type fins are alternately stacked and arranged, the expansion-contraction type partition plates are clamped and brazed by the cover plate, a hot channel is formed by clamping a layer of expansion-contraction type fin on two layers of the expansion-contraction type partition plates and is sealed by the sealing strips, a cold channel is formed by clamping a layer of expansion-contraction type fin on two layers of the expansion-contraction type partition plates which are arranged in a reverse direction with the hot channel and is sealed by the sealing strips, and grooves. The utility model provides a strong adaptability plate-fin heat exchanger core of flexible construction, can be used to the heat transfer occasion of special operating mode such as the heat transfer difference in temperature is big, fluid temperature alternation, discontinuous heat transfer, and application temperature range is wide, and double-arch apron and two omega shape strip of paper used for sealing structures can improve equipment heat adaptability by a wide margin, reduce destruction risks such as fatigue damage, extension equipment life.
Description
Technical field
The present invention relates to the heat-flash adaptability plate-fin heat exchanger cores of field of heat exchangers more particularly to a kind of flexible structure
Body.
Background technique
Plate-fin heat exchanger is widely used recently because of the features such as its is compact-sized, heat transfer efficiency is high, working medium is adaptable
In different fields such as petrochemical industry, aviation vehicle, dynamic power machine, space division deep cooling, atomic energy.It is continuous with production technology level
It improves, heat-exchanging state also tends to be complicated, occurs the big temperature difference heat exchange of high/low temperature, fluid temperature (F.T.) alternating in more and more production processes
The heat exchange occasion of the alternating temperature heat exchange of variation, the discontinuously special operation conditions such as heat exchange, works under hot and cold alternation working environment for a long time, temperature
The difference of degree can cause the difference of plate-fin heat exchanger malformation and then generate thermal stress, and the cyclically-varying of thermal stress can make
Fatigue failure occurs for heat exchanger, seriously affects industrial production efficiency and personnel safety.
In existing plate-fin heat exchanger structure, partition and cover board can generate different degrees of heat due to two sides fluid temperature difference
Strain, in the heat exchange of the big temperature difference, alternately under the special operation conditions such as alternating temperature heat exchange, discontinuous heat exchange, recurring structure Under Thermal Fatigue Damage can
Energy property is significantly increased, once local fracture damage occurs, it will lead to the deleterious situations such as heat-exchange working medium is hybrid, leaks, when serious
Possibly even lead to the accidents such as harmful toxic matter leakage, explosion, tremendous influence is brought to production process and region security, strengthens plate wing
Formula exchanger heat adaptability is of great significance.It is excellent to surround plate-fin heat exchanger design and calculation method more for existing patent both at home and abroad
Change, process channel layout optimization, element structure optimization design etc., such as a kind of plate of recent disclosed patent CN106503390A
The creep fatigue strength design of fin heat exchanger, the mechanics parameter calculation method of CN106338431B plate-fin heat exchanger and
It applies design method, 2018/086411 A1DESIGN METHOD FOR CREEP FATIGUE STRENGTH OF of WO
PLATE-FIN HEAT EXCHANGER proposes optimization to the design of plate-fin heat exchanger structure from the angle of theoretical method；
CN104990433B plate-fin heat exchanger, CN108489307A plate-fin heat exchanger, in terms of plate-fin heat exchanger runner arrangement
Optimizing design scheme is proposed, by heat transfer process in conjunction with gas-liquid separation process, improves production efficiency of equipment；CN201917246U
A kind of aluminium alloy plate fin heat exchanger knot using high temperature resistant abnormity strip of paper used for sealing of high-temperature plate-fin radiator core, CN205209323U
Structure, CN205843467U abnormity strip of paper used for sealing, propose the design structure of the partial components such as new plate-fin heat exchanger strip of paper used for sealing, and raising is set
Standby anti-fatigue performance, prolongs the service life.The above patent is made that optimization in the design basis of traditional plate-fin heat exchanger
And innovation, device efficiency is improved to a certain extent, although these optimizations, which are compared over, have been had compared with much progress, towards reality
Special heat exchange occasion, has some limitations in the application present in production process, and plate-fin heat exchanger designing technique is still
There is very big optimization space.
Summary of the invention
The present invention is to meet the special heat exchange needs such as the big temperature difference in industry exchanges heat, fluid replaces alternating temperature, discontinuous heat exchange,
Equipment fatigue resistance is improved while high efficient heat exchanging, extends equipment service life, proposes that a kind of heat-flash of flexible structure adapts to
Property fin heat exchanger core.
To achieve the above object, The technical solution adopted by the invention is as follows: a kind of heat-flash adaptability plate wing of flexible structure
Formula heat exchanger core body, including cover board, strip of paper used for sealing, scalable formula partition, scalable formula fin, the cover board middle position fluting are several
The layer scalable formula partition replaces stack arrangement with scalable formula fin described in several layers, clamps soldering connection, the passage of heat by cover board
One layer of scalable formula fin is clamped for two layers of scalable formula partition and is sealed by strip of paper used for sealing, and cold passage is two layers and passage of heat reversed arrangement
Scalable formula partition clamps one layer of scalable formula fin and is sealed by strip of paper used for sealing, cold and hot two end seal of channel in the fin heat exchanger core
Channel side fluting.
It is further characterized by: the cover board middle position fluting, slot cross-section are double arches or interior rectangle, double Ω
Shape.
The strip of paper used for sealing channel side fluting, slot cross-section are double Ω types or double arches, interior rectangle.
Cover board middle position fluting, slotting position thinnest part plate thickness are limited with the half of cover sheet thickness, flute length with
Deck side edge is isometric.
The strip of paper used for sealing channel side fluting, maximum groove width size are limited with the half of the scalable formula fin height in place channel.
Cold fluid and hot fluid channel is reverse-flow arrangement in the fin heat exchanger core, and fluid layer can singly fold or overlapping arrangement,
Arrange that scalable formula partition, adjacent channels intermediate bulkhead when superposition type is arranged with fluid streams select common plate between cold fluid and hot fluid
Formula partition.
The scalable formula fin of setting in each fluid layer of fin heat exchanger core, tooth height, away from determination, are led to by this layer of partition room
Change cross section of fluid channel is crossed with augmentation of heat transfer.
The scalable formula finned flow side can add disturbance enhancing band.
Arrangement and the lesser fluid of the environment temperature temperature difference in the fin heat exchanger core two sides outermost layer channel.
The scalable formula fin uses plain fin or zigzag, triangle, porous.
The beneficial effects of the present invention are:
Double arcuate recess are arranged in cover board middle position in fin heat exchanger core of the invention, in cold and hot two end seal of channel
Double Ω type grooves are arranged in channel side, and when generating big temperature difference heat exchange strain, preferable structure adaptability can reduce heat to a certain extent
The influence of stress reduces the risk of equipment damage.
On the other hand, the present invention arranges scalable formula partition between cold fluid and hot fluid, and each channel fin height is with scalable formula partition
Spacing variation can realize that the reinforcing in flow process passes by reducing flow section, increase fluid flow rate, strengthening perturbation action
Heat, and the shelving structure of scalable formula partition can lifting means hot adaptability.
Detailed description of the invention
Fig. 1 is the fin heat exchanger core structural schematic diagram of the embodiment of the present invention.
Fig. 2 is the double arched cover board schematic diagrames of plate-fin heat exchanger of the embodiment of the present invention.
Fig. 3 is the scalable formula partition schematic diagram of plate-fin heat exchanger of the embodiment of the present invention.
Fig. 4 is the double Ω shape strip of paper used for sealing schematic diagrames of plate-fin heat exchanger of the embodiment of the present invention.
Fig. 5 is the scalable formula fin schematic diagram of plate-fin heat exchanger of the embodiment of the present invention.
In figure, 1 --- double arched cover boards, 2 --- scalable formula fin, 3 --- double Ω shape strip of paper used for sealings, 4 --- end socket, 5 ---
Scalable formula partition, 6 --- disturbance enhancing band.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawing and by embodiment, and following embodiment is to this hair
Bright explanation is not limited to following embodiment.
The plate-fin heat exchanger of the present embodiment is the inverse of the heat-flash adaptability fin heat exchanger core based on flexible structure
Streaming aluminum plate-fin heat exchanger, as shown in Figure 1, the fin heat exchanger core structural schematic diagram of the embodiment of the present invention.It leads
It to be made of fin heat exchanger core and end socket 4, heat exchanger core body is the scalable formula partition 5 of several layers and the scalable formula wing of several layers
Piece 2 carries out alternately stack arrangement and is clamped by double arched cover boards 1 to be brazed, and the passage of heat is that two layers of scalable formula partition 5 clamps one
The scalable formula fin 2 of layer is simultaneously sealed by double Ω shape strip of paper used for sealings 3, and cold passage is two layers and the scalable formula partition 5 of passage of heat reversed arrangement presss from both sides
It fills one layer of scalable formula fin 2 and is sealed by double Ω shape strip of paper used for sealings 3；Arrangement and ring in the outermost layer channel of fin heat exchanger core two sides
The lesser cold fluid of the border temperature difference；Scalable 2 fluid side of formula fin adds disturbance enhancing band 6 in each layer channel.Cold fluid and hot fluid is with adverse current
The form of heat exchange is guided to respective channel in core after inputting plate-fin heat exchanger by end socket 4, by scalable formula partition 5 and scalable formula
Fin 2 separates, and realizes heat exchange with convective heat transfer by thermally conductive.
Double arcuate recess are arranged in the plate-fin heat exchanger cover board middle position of the present embodiment, and slotting position thinnest part plate thickness is
The half of cover sheet thickness, it is long that flute length etc. is longer than deck side edge, and slotting position is that same-side fluid imports and exports adapter tube center line and corresponds to position
Set line midpoint.
The plate-fin heat exchanger fluid channel both ends strip of paper used for sealing channel side of the present embodiment is slotted, and slot cross-section is double Ω types, maximum
Half of the groove width having a size of place channel fin height.
In the fluid channel of the present embodiment scalable formula fin 2 use plain fin, other embodiments can be selected zigzag,
Triangle or porous etc. do not carry out embodiment explanation individually.Fig. 5 is the scalable formula wing of plate-fin heat exchanger of the embodiment of the present invention
Piece schematic diagram, the not set disturbance in scalable formula finned flow side enhance band, and scalable formula fin height is corresponding to adjacent scalable formula partition
Spacing is identical at position.The settable disturbance of scalable formula fin flow passage side in other embodiments enhances band 6, it is each disturb quantity and
Spacing can be adjusted according to situations such as physical properties of fluids parameter, component.
Fig. 2-5 is the double arched cover board schematic diagram of plate-fin heat exchanger of the embodiment of the present invention, scalable formula partition schematic diagram, double
Ω shape strip of paper used for sealing schematic diagram, scalable formula fin schematic diagram.
Plate-fin heat exchanger of the invention needs to carry out air-tight test and the water pressure test after processing is completed, guarantees that plate-fin changes
The leakproofness and load performance of hot device are to examine welding quality between each part.
The above examples only illustrate the technical idea of the present invention, and this does not limit the scope of protection of the present invention, all
According to the technical idea provided by the invention, any changes made on the basis of the technical scheme each falls within right of the invention and wants
It asks within the protection scope of book.The technology that the present invention is not directed to can be realized by the prior art.
Claims (10)
1. a kind of heat-flash adaptability fin heat exchanger core of flexible structure, it is characterised in that: including cover board, strip of paper used for sealing, scalable
Formula partition, scalable formula fin, cover board middle position fluting, scalable formula partition described in several layers with it is scalable described in several layers
Formula fin replaces stack arrangement, clamps soldering connection by cover board, the passage of heat is that two layers of scalable formula partition clamps one layer of scalable formula wing
Piece is simultaneously sealed by strip of paper used for sealing, cold passage be two layers with the scalable formula partition of passage of heat reversed arrangement clamp one layer of scalable formula fin and by
Strip of paper used for sealing seals, cold and hot channel both ends strip of paper used for sealing channel side fluting in the fin heat exchanger core.
2. the heat-flash adaptability fin heat exchanger core of flexible structure according to claim 1, it is characterised in that: described
Cover board middle position fluting, slot cross-section are double arches or interior rectangle, double Ω shapes.
3. the heat-flash adaptability fin heat exchanger core of flexible structure according to claim 2, it is characterised in that: described
Strip of paper used for sealing channel side fluting, slot cross-section are double Ω types or double arches, interior rectangle.
4. the heat-flash adaptability fin heat exchanger core of flexible structure according to claim 3, it is characterised in that: described
Cover board middle position fluting, slotting position thinnest part plate thickness are limited with the half of cover sheet thickness, and flute length is isometric with deck side edge.
5. the heat-flash adaptability fin heat exchanger core of flexible structure according to claim 4, it is characterised in that: described
Strip of paper used for sealing channel side fluting, maximum groove width size are limited with the half of the scalable formula fin height in place channel.
6. the heat-flash adaptability fin heat exchanger core of flexible structure according to claim 5, it is characterised in that: described
Cold fluid and hot fluid channel is reverse-flow arrangement in fin heat exchanger core, and fluid layer can singly fold or overlapping arrangement, cloth between cold fluid and hot fluid
Scalable formula partition is set, selects common flat partition with the adjacent channels intermediate bulkhead of fluid streams when superposition type is arranged.
7. the heat-flash adaptability fin heat exchanger core of flexible structure according to claim 6, it is characterised in that: described
The scalable formula fin of setting in each fluid layer of fin heat exchanger core, tooth height, away from determination, are cut by this layer of partition room by changing runner
Face is with augmentation of heat transfer.
8. the heat-flash adaptability fin heat exchanger core of flexible structure according to claim 7, it is characterised in that: described
Scalable formula finned flow side may include disturbance enhancing band.
9. the heat-flash adaptability fin heat exchanger core of flexible structure described in -8 according to claim 1, it is characterised in that: institute
State arrangement and the lesser fluid of the environment temperature temperature difference in the outermost layer channel of fin heat exchanger core two sides.
10. the heat-flash adaptability fin heat exchanger core of flexible structure according to claim 9, it is characterised in that: institute
Scalable formula fin is stated using plain fin or zigzag, triangle, porous.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910506120.1A CN110230935B (en) | 2019-06-12 | 2019-06-12 | Strong heat adaptability plate-fin heat exchanger core body with flexible structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910506120.1A CN110230935B (en) | 2019-06-12 | 2019-06-12 | Strong heat adaptability plate-fin heat exchanger core body with flexible structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110230935A true CN110230935A (en) | 2019-09-13 |
| CN110230935B CN110230935B (en) | 2021-05-04 |
Family
ID=67858906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910506120.1A Active CN110230935B (en) | 2019-06-12 | 2019-06-12 | Strong heat adaptability plate-fin heat exchanger core body with flexible structure |
Country Status (1)
| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI731500B (en) * | 2019-12-09 | 2021-06-21 | 財團法人金屬工業研究發展中心 | Heat conduction module |
| CN114353564A (en) * | 2022-01-12 | 2022-04-15 | 西安交通大学 | Slotted spindle-shaped fin printed circuit board heat exchanger core |
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| CN1637376A (en) * | 2004-01-09 | 2005-07-13 | 株式会社聚源 | Plate for heat exchange and heat exchange unit |
| US7367385B1 (en) * | 1999-09-28 | 2008-05-06 | Materna Peter A | Optimized fins for convective heat transfer |
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| CN106949759A (en) * | 2017-04-01 | 2017-07-14 | 南京工业大学 | Cross-flow type aluminum plate-fin heat exchanger provided with stress release seams based on flexible sealing strip and cover plate |
| CN208333192U (en) * | 2018-06-22 | 2019-01-04 | 西安热工研究院有限公司 | A kind of compact heat exchanger of periodicity variable section runner |
| CN208818047U (en) * | 2018-07-27 | 2019-05-03 | 苏州协宏泰节能科技有限公司 | A kind of pincushion plate-fin heat exchanger |
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2019
- 2019-06-12 CN CN201910506120.1A patent/CN110230935B/en active Active
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|---|---|---|---|---|
| US7367385B1 (en) * | 1999-09-28 | 2008-05-06 | Materna Peter A | Optimized fins for convective heat transfer |
| JP2001248996A (en) * | 2000-03-08 | 2001-09-14 | Hitachi Ltd | Plate type heat exchanger |
| CN1543372A (en) * | 2001-07-31 | 2004-11-03 | �Դ���� | System for stripping and rectifying a fluid mixture |
| CN1637376A (en) * | 2004-01-09 | 2005-07-13 | 株式会社聚源 | Plate for heat exchange and heat exchange unit |
| JP4916857B2 (en) * | 2006-12-07 | 2012-04-18 | 株式会社ティラド | Pressure resistant heat exchanger |
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| CN208333192U (en) * | 2018-06-22 | 2019-01-04 | 西安热工研究院有限公司 | A kind of compact heat exchanger of periodicity variable section runner |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| TWI731500B (en) * | 2019-12-09 | 2021-06-21 | 財團法人金屬工業研究發展中心 | Heat conduction module |
| CN114353564A (en) * | 2022-01-12 | 2022-04-15 | 西安交通大学 | Slotted spindle-shaped fin printed circuit board heat exchanger core |
| CN114353564B (en) * | 2022-01-12 | 2023-12-15 | 西安交通大学 | Grooved spindle-shaped fin printed circuit board heat exchanger core |
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| Publication number | Publication date |
|---|---|
| CN110230935B (en) | 2021-05-04 |
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