CN208026108U - A kind of FTGP finned heat exchangers - Google Patents
A kind of FTGP finned heat exchangers Download PDFInfo
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- CN208026108U CN208026108U CN201820234888.9U CN201820234888U CN208026108U CN 208026108 U CN208026108 U CN 208026108U CN 201820234888 U CN201820234888 U CN 201820234888U CN 208026108 U CN208026108 U CN 208026108U
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- ftgp
- heat
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Abstract
The utility model discloses a kind of FTGP finned heat exchangers, are related to technical field of heat exchange equipment.Multiple spaced fins are arranged by being alternatively arranged multiple FTGP substrates in cold passage in the heat exchanger between two FTGP substrates；And cold passage is arranged between two passage of heat outline borders, in use, being passed through hot fluid in the passage of heat outline border, it is passed through cold fluid in the cold passage, to undergo phase transition heat transfer in FTGP, realizes the heat exchange of cold fluid and hot fluid.When by heat exchanger applications to aero-engine provided in this embodiment, compactness can reach 3486, mass-power ratio can reach 154kW/kg, compactness and mass-power ratio are greatly improved, disclosure satisfy that the requirement for realizing high power heat exchange in the following aero-engine with smaller space and lighter heat transmission equipment.
Description
Technical field
The utility model is related to technical field of heat exchange equipment more particularly to a kind of FTGP finned heat exchangers.
Background technology
Currently, the heat exchanger of aero-engine field application mostly uses plate-fin and pipe shell type heat exchange structure, and to fin
The abundant experience of heat convection technological accumulation is strengthened in heat conduction, but by material inherently thermal coefficient (copper 400W/m K, aluminium
160W/m K) limitation and single-phase convection heat-transfer (Air Forced Convection coefficient of heat transfer 103W/m2K) bottleneck limits, the heat exchange of plate wing
The compactness and unit mass heat exchange power of device have become the limit, it is impossible to meet in the following aero-engine with smaller space and
Lighter heat exchange equipment realizes the requirement of high power heat exchange.
Utility model content
The purpose of this utility model is to provide a kind of FTGP finned heat exchangers, to solve it is existing in the prior art before
State problem.
To achieve the goals above, the technical solution adopted in the utility model is as follows：
A kind of FTGP finned heat exchangers, including multiple heat exchange modules, each heat exchange module include two passage of heats
Outline border, the region between two passage of heat outline borders are set as cold passage, and the cold passage includes FTGP substrates and fin, institute
The both ends for stating FTGP substrates are connect with two passage of heat outline borders respectively, and the FTGP substrates are alternatively arranged, described in two
Multiple spaced fins are provided between FTGP substrates；In use, hot fluid is passed through in the passage of heat outline border, it is described cold
Cold fluid is passed through in channel.
Preferably, fin it has been alternatively arranged in each passage of heat outline border.
Preferably, the passage of heat outline border and the fin being disposed therein are prepared by aluminum material.
Preferably, the passage of heat outline border and it is disposed therein the integrated structure of the fin machining.
Preferably, the distance being arranged between the two neighboring fin in the passage of heat outline border is 4.28mm.
Preferably, it is welded to connect or is processed into integral structure between the end of the FTGP and the passage of heat outline border.
Preferably, the distance between two neighboring described FTGP substrates are 1.875mm.
Preferably, the distance being arranged between the two neighboring fin between two FTGP substrates is 0.4mm.
Preferably, multiple heat exchange modules are regularly arranged is connected as one, and two adjacent heat exchange modules share
One passage of heat outline border.
The utility model has the beneficial effects that：The FTGP finned heat exchangers that the utility model embodiment provides, by cold
It is alternatively arranged multiple FTGP substrates in channel, and multiple spaced fins are set between two FTGP substrates；And it will be cold
Channel is arranged between two passage of heat outline borders, in use, being passed through hot fluid in the passage of heat outline border, leads in the cold passage
Enter cold fluid, to undergo phase transition heat transfer in FTGP, realizes the heat exchange of cold fluid and hot fluid.Heat exchanger provided in this embodiment is answered
When using in aero-engine, compactness can reach 3486, and mass-power ratio can reach 154kW/kg, greatly improve compact
Degree and mass-power ratio disclosure satisfy that in the following aero-engine and realize high power with smaller space and lighter heat transmission equipment
The requirement of heat exchange.
Description of the drawings
Fig. 1 is the front view of FTGP finned heat exchangers provided by the utility model；
Fig. 2 a are the overall structure diagram of FTGP finned heat exchangers provided by the utility model；
Fig. 2 b are the cold passage enlarged structure schematic diagram of FTGP finned heat exchangers provided by the utility model；
Fig. 3 a are the operation principle schematic diagram of FTGP finned heat exchangers provided by the utility model；
Phase-change heat transfer mechanism figure inside the hot junction excitation TGP of Fig. 3 b FTGP finned heat exchangers provided by the utility model；
The cold end TGP of Fig. 3 c FTGP finned heat exchangers provided by the utility model strengthens heat convection mechanism figure；
Fig. 4 is the cooling air system structural schematic diagram for the aero-engine that embodiment one provides；
Fig. 5 is the cold heat regenerative system structural schematic diagram in centre for the aero-engine that embodiment two provides；
Fig. 6 is the chilldown system structural schematic diagram for the aero-engine that embodiment three provides；
Fig. 7 a1,7a2 are cross flow heat exchanger structure schematic diagram in embodiment one, two, three each systems；
Fig. 7 b are counter-flow heat exchanger structural schematic diagram in embodiment one, two, three each systems；
Fig. 7 c are that counter-flow heat exchanger structural schematic diagram is pitched in embodiment one, two, three each systems.
In figure, the meaning of each symbol is as follows：
1 passage of heat outline border, 2 hot fluids, 3 fins, 4FTGP substrates, 5 cold fluids, 6 air intake duct air, 7 inter coolers, 8 seas
Water/fresh water heat exchanger, 9 pipeline valves, 10 combustion chambers, 11 fuel, 12 high-pressure turbines, 13 power turbine guiders, 14 power turbines,
15 low-pressure turbines, 16 backheat gas devices, 17 tail gas, 18 fans, 19 high-pressure compressors, 20 diffusers, 21 air to air heat exchanger, 22 coolings
Air, 23 bypath systems, 24 fuel oils, 25 casings, 26 combustion chambers, 27 high-pressure compressor bleeds, 28 strip of paper used for sealings, 29 partition boards, 30 plate beams
Body, 31 air intake ducts, 32 forecoolers, 33 turbocharger, 34 helium cycle devices, 35 heat exchangers, 36 liquid hydrogen pumps, 37 liquid oxygen pumps, 38 are in advance
Mixed burner, 39 rocket launching machines.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing, to this reality
It is further elaborated with novel.It should be appreciated that the specific embodiments described herein are only used to explain this practicality
It is novel, it is not used to limit the utility model.
As shown in Fig. 1,2a, 2b, the utility model embodiment provides a kind of FTGP finned heat exchangers, including multiple heat exchange
Module, each heat exchange module include two passage of heat outline borders 1, and the region between two passage of heat outline borders 1 is set as cold
Channel, the cold passage include FTGP substrates 4 and fin 3, and the both ends of FTGP substrates 4 are connect with two passage of heat outline borders 1 respectively,
FTGP substrates 4 are alternatively arranged, and multiple spaced fins 3 are provided between two FTGP substrates 4；In use, outside the passage of heat
It is passed through hot fluid 2 in frame 1, cold fluid 5 is passed through in the cold passage.
In above structure, the spaced FTGP substrates in cold passage are provided between two FTGP substrates multiple
Spaced fin, plays the role of heat conduction and heat dissipation.In use, hot fluid is passed through in passage of heat outline border, it is cold
Cold fluid is passed through in channel, the FTGP with hot fluid side contacts is evaporation ends, and the FTPG contacted with cold fluid is condensation end, hot-fluid
The heat transfer of body is to FTGP so that and working medium evaporation or boiling heat absorption, steam in FTGP flow to condensation end under differential pressure action,
Condensation heat dissipation is carried out, transfers heat to cold fluid, and then realize the heat exchange of cold fluid and hot fluid.Its operation principle such as Fig. 3 a, 3b and
Shown in 3c.
So the heat exchanger that the utility model embodiment provides, by using multiple FTGP (Flexible Thermal
Ground Plane, flexible soaking version) it is used as substrate, it is arranged in cold passage, by the phase transformation with higher exchange capability of heat
Exchange heat (the equivalent coefficient of heat transfer 104W/m2K it) is dexterously introduced into heat exchanger, has in two dimension even three-dimensional using soaking plate
The characteristics of compared with high equivalent weight thermal conductivity coefficient (3-5 times that can reach copper), with realize heat exchanger loss of weight and mass-power ratio it is very big
Raising so that when by heat exchanger applications to aero-engine provided in this embodiment, compactness can reach 3486, quality work(
Rate ratio can reach 154kW/kg, disclosure satisfy that in the following aero-engine and realizes height with smaller space and lighter heat transmission equipment
The requirement of power heat exchange.
In the present embodiment, fin 3 has been alternatively arranged in each passage of heat outline border 1.
In above structure, due to, needing to be passed through hot fluid in passage of heat outline border in use, so, in outline border
In be alternatively arranged some fins, heat exchange area can be increased, improve the heat exchange efficiency of heat exchanger.
In the present embodiment, passage of heat outline border 1 and the fin 3 being disposed therein can be prepared by aluminum material.
In the present embodiment, passage of heat outline border 1 and the fin 3 being disposed therein can be processed into integral structure.
As will be understood by the skilled person in the art, passage of heat outline border and fin can also be passed through other connection types
It is attached.
In the present embodiment, the distance being arranged between the two adjacent fins 3 in passage of heat outline border 1 can be with for 4.28mm.
In the present embodiment, the distance between two adjacent fins being arranged in the passage of heat are set as 4.28mm, can make
The compactness of heat exchanger reaches 3000 or more, while mass-power ratio reaches 100 or more.
As will be understood by the skilled person in the art, the distance between two adjacent fins in the passage of heat can also basis
Different requirements are designed accordingly.
In the present embodiment, integrated knot is welded to connect or processes between the end and passage of heat outline border 1 of FTGP substrates 4
Structure.
In the present embodiment, the distance between two neighboring FTGP substrates 4 can be 1.875mm.
In the present embodiment, the distance between two neighboring FTGP substrates 4 are set as 1.875mm, can make heat exchanger
Compactness reaches 3000 or more, while mass-power ratio reaches 100 or more.
As will be understood by the skilled person in the art, the distance between two neighboring FTGP substrates can also be according to different
It is required that being designed accordingly.
In the present embodiment, be arranged distance between the two adjacent fins 3 between two FTGP substrates 4 can with for
0.4mm。
In the present embodiment, the distance being arranged between the two adjacent fins between two FTGP substrates is set as 0.4mm,
The compactness of heat exchanger can be made to reach 3000 or more, while mass-power ratio reaches 100 or more.
As will be understood by the skilled person in the art, the distance between two adjacent fins in the passage of heat can also basis
Different requirements are designed accordingly.
In the present embodiment, multiple heat exchange modules are transversely arranged to be connected as one, two adjacent heat exchange modules
Share a passage of heat outline border.
Using the above structure, the heat exchanger of different scales size can be more flexibly obtained, while is also beneficial to the later stage
The operations such as the repair and update of heat exchanging device.
The FTGP finned heat exchangers that the utility model embodiment provides, the application in the following aero-engine may refer to
Following three embodiment：
Embodiment one
As shown in figure 4, in aero-engine cools down cooling air system, cooling sky is cooled down by air to air heat exchanger
Gas improves the quality of cooling air to further decrease the temperature of hot-end component.
Embodiment two
As shown in figure 5, in aero-engine intercooled regeneration system, mainstream gas passes through inter cooler (heat exchanger) and outer culvert
Air carries out heat exchange, and air themperature enters high-pressure compressor after reducing, increases charge flow rate, reduce the work done during compression of compressor；
Simultaneously by backheat link, the heat of turbine outlet exhaust, the utilization rate of energization are recycled.
Embodiment three
As shown in fig. 6, aero-engine chilldown system is to install precooling additional in the compressor front of conventional turbine engines to change
Hot device, the air-flow in cooling air intake duct, makes gas flow temperature decline, and extend turbogenerator can working range.
The FTGP finned heat exchangers of above three embodiments being applied in aero-engine may be used following three kinds not
The same type of flow：Cross flow (reference can be made to Fig. 7 a1,7a2), pitches reverse-flow (reference can be made to Fig. 7 c) at reverse-flow (reference can be made to Fig. 7 b).
In summary embodiment, it is known that aeroplane engine machine heat exchanger is designed with following basic demand：It first has to ensure hair
The normal work of motivation, the followed by good operation of itself will pursue small size, light weight and highly reliable on this basis
Property, and realize power transmission overall structure and performance requirement in the most optimal way.Therefore, in design of heat exchanger, Ying Cong
Structure, energy consumption, reliability, operation and technique etc. are required as follows：
Heat exchanger structure is compact, size is small, light-weight；
Under all loads being likely to occur and external condition, heat exchanger can reliably work and reach engine work
It is required；
Meet the intensity and reliability requirement under engine operating environments；
Heat exchanger connection and reasonable arrangement in systems, is easily installed, dismantles and monitors.
Soaking sheet heat exchanger provided in this embodiment can be good at the requirement of satisfaction or more, so as to apply well
In aero-engine.
By using above-mentioned technical proposal disclosed by the utility model, following beneficial effect has been obtained：The utility model
The FTGP finned heat exchangers that embodiment provides, by being alternatively arranged multiple FTGP substrates in cold passage, and in two FTGP bases
Multiple spaced fins are set between plate；And cold passage is arranged between two passage of heat outline borders, in use, the heat
It is passed through hot fluid in the outline border of channel, cold fluid is passed through in the cold passage, to undergo phase transition heat transfer in FTGP, realizes cold and hot
The heat exchange of fluid.When by heat exchanger applications to aero-engine provided in this embodiment, compactness can reach 3486, quality work(
Rate ratio can reach 154kW/kg, greatly improve compactness and mass-power ratio, disclosure satisfy that and is used in the following aero-engine
Smaller space and lighter heat transmission equipment realize the requirement of high power heat exchange.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching should also regard the scope of protection of the utility model.
Claims (9)
1. a kind of FTGP finned heat exchangers, which is characterized in that including multiple heat exchange modules, each heat exchange module includes two
A passage of heat outline border, the region between two passage of heat outline borders are set as cold passage, and the cold passage includes FTGP substrates
And fin, the both ends of the FTGP substrates are connect with two passage of heat outline borders respectively, and the FTGP substrates are alternatively arranged, and two
It is provided with multiple spaced fins between a FTGP substrates；In use, it is passed through hot fluid in the passage of heat outline border,
It is passed through cold fluid in the cold passage.
2. FTGP finned heat exchangers according to claim 1, which is characterized in that be spaced in each passage of heat outline border
It is arranged with fin.
3. FTGP finned heat exchangers according to claim 2, which is characterized in that the passage of heat outline border and be disposed therein
The fin be prepared by aluminum material.
4. FTGP finned heat exchangers according to claim 2, which is characterized in that the passage of heat outline border and be disposed therein
The integrated structure of fin machining.
5. FTGP finned heat exchangers according to claim 2, which is characterized in that the phase in the passage of heat outline border is arranged
The distance between adjacent two described fins are 4.28mm.
6. FTGP finned heat exchangers according to claim 1, which is characterized in that the end of the FTGP substrates and the heat
Integral structure is welded to connect or is processed between the outline border of channel.
7. FTGP finned heat exchangers according to claim 1, which is characterized in that between the two neighboring FTGP substrates
Distance is 1.875mm.
8. FTGP finned heat exchangers according to claim 7, which is characterized in that be arranged between two FTGP substrates
The distance between the two neighboring fin be 0.4mm.
9. FTGP finned heat exchangers according to claim 1, which is characterized in that the regularly arranged company of multiple heat exchange modules
It is connected in one, two adjacent heat exchange modules share a passage of heat outline border.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820234888.9U CN208026108U (en) | 2018-02-09 | 2018-02-09 | A kind of FTGP finned heat exchangers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820234888.9U CN208026108U (en) | 2018-02-09 | 2018-02-09 | A kind of FTGP finned heat exchangers |
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| Publication Number | Publication Date |
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| CN208026108U true CN208026108U (en) | 2018-10-30 |
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ID=63905575
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820234888.9U Expired - Fee Related CN208026108U (en) | 2018-02-09 | 2018-02-09 | A kind of FTGP finned heat exchangers |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110259581A (en) * | 2019-05-05 | 2019-09-20 | 南京航空航天大学 | A kind of by-pass air duct double-work medium heat exchanger using air and fuel oil |
| CN115493437A (en) * | 2022-10-26 | 2022-12-20 | 济南张夏供水换热设备有限公司 | Plate type heat pipe exchanger for utilizing high-temperature flue gas waste heat |
-
2018
- 2018-02-09 CN CN201820234888.9U patent/CN208026108U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110259581A (en) * | 2019-05-05 | 2019-09-20 | 南京航空航天大学 | A kind of by-pass air duct double-work medium heat exchanger using air and fuel oil |
| CN110259581B (en) * | 2019-05-05 | 2021-12-28 | 南京航空航天大学 | External duct double-working medium heat exchanger utilizing air and fuel oil |
| CN115493437A (en) * | 2022-10-26 | 2022-12-20 | 济南张夏供水换热设备有限公司 | Plate type heat pipe exchanger for utilizing high-temperature flue gas waste heat |
| CN115493437B (en) * | 2022-10-26 | 2023-08-25 | 济南张夏供水换热设备有限公司 | Plate type heat pipe heat exchanger for high-temperature flue gas waste heat utilization |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181030 Termination date: 20200209 |