CN209640306U - A kind of big hot-fluid supersonic jet jet pipe of band active cooling - Google Patents
A kind of big hot-fluid supersonic jet jet pipe of band active cooling Download PDFInfo
- Publication number
- CN209640306U CN209640306U CN201822157453.1U CN201822157453U CN209640306U CN 209640306 U CN209640306 U CN 209640306U CN 201822157453 U CN201822157453 U CN 201822157453U CN 209640306 U CN209640306 U CN 209640306U
- Authority
- CN
- China
- Prior art keywords
- throat
- contraction section
- expansion segment
- outer cylinder
- cylinder
- 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.)
- Withdrawn - After Issue
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 28
- 239000012530 fluid Substances 0.000 title claims abstract description 17
- 230000008602 contraction Effects 0.000 claims abstract description 35
- 239000000463 material Substances 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 18
- 239000002826 coolant Substances 0.000 claims abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 8
- 239000010959 steel Substances 0.000 claims abstract description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052802 copper Inorganic materials 0.000 claims abstract description 4
- 239000010949 copper Substances 0.000 claims abstract description 4
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 6
- 229910052786 argon Inorganic materials 0.000 claims description 3
- 238000005476 soldering Methods 0.000 claims description 2
- 238000012360 testing method Methods 0.000 description 3
- 239000000567 combustion gas Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000002679 ablation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 210000000867 larynx Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Landscapes
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The utility model provides a kind of big hot-fluid supersonic jet jet pipe of band active cooling, including sequentially connected contraction section, throat and expansion segment；Contraction section, throat and expansion segment include the inner cylinder and outer cylinder of coaxial package, and inner tank theca is connect with outer tube inner wall；Inner tank theca and outer tube inner wall junction are provided with the multiple row cooling bath along inner cylinder axial direction；Outer drum outer wall is equipped with the liquid collecting cavity with coolant inlet and outlet, is provided with the through-hole for being connected to coolant liquid liquid collecting cavity with multiple row cooling bath on outer cylinder.The material of contraction section inner cylinder and throat's inner cylinder is copper product, and contraction section outer cylinder and the material of throat's outer cylinder are Steel material；The material of expansion segment inner cylinder and expansion segment outer cylinder is Steel material.Solve the high total temperature of jet pipe (3600K), big hot-fluid (30MW/m2) work long hours the design challenges of (single 1000s).
Description
Technical field
The utility model relates to a kind of big hot-fluid supersonic jet jet pipes of band active cooling.
Background technique
Certain combustion gas flow table heating device is the important ground of simulation material and the aircraft hot property in high temperature gas flow
Testing equipment, anti-ablation and heat-transfer character for test material.Jet nozzle is the significant components of heating device, and effect is
So that air-flow is insulated constant entropy accelerated expansion, generates the equal Mach numbers rhomboid met the requirements and uniform combustion gas stream in nozzle exit
, so that the parameters such as the Mach number of air-flow, pressure and temperature reach test requirements document.Traditional jet nozzle is room temperature use, no
Can under high temperature, high heat flow density environment reliably working.
Utility model content
The technology of the utility model solves the problems, such as to be to provide a kind of big hot-fluid supersonic jet jet pipe of band active cooling, can be
Reliably working under high temperature, high heat flow density environment.
The technical solution of the utility model is to provide a kind of big hot-fluid supersonic jet jet pipe of band active cooling, special
Different place is: including sequentially connected contraction section, throat and expansion segment；The caliber of above-mentioned contraction section is sequentially reduced until and larynx
Portion front end caliber is identical, and throat's rear end caliber is greater than front end caliber, and expansion segment caliber is gradually increased；
Above-mentioned contraction section, throat and expansion segment include the inner cylinder and outer cylinder of coaxial package, inner tank theca and outer tube inner wall
Connection；
Inner tank theca and outer tube inner wall junction are provided with the multiple row cooling bath along inner cylinder axial direction；
Outer drum outer wall is equipped with the liquid collecting cavity with coolant inlet and outlet, be provided on outer cylinder by coolant liquid liquid collecting cavity with
The through-hole of multiple row cooling bath connection.
Further, the material of contraction section inner cylinder and throat's inner cylinder is copper product, contraction section outer cylinder and throat's outer cylinder
Material is Steel material；The material of expansion segment inner cylinder and expansion segment outer cylinder is Steel material.
Further, contraction section inner cylinder and contraction section outer cylinder, throat's inner cylinder and throat's outer cylinder, expansion segment inner cylinder and expansion segment
Outer cylinder passes through soldering connection.
Further, contraction section and throat, throat and expansion segment are all made of argon arc welding welding.
Further, contraction section, throat and expansion segment junction inner cavity rounding off.
Further, liquid collecting cavity is the multiple annular compartments being circumferentially arranged along outer cylinder.
The beneficial effects of the utility model are:
1, jet nozzle is segmented and is designed as double-layer structure by the utility model, and designs axial cooling between the two layers
Structure guarantees the reliable cooling under high temperature；
2, jet nozzle is divided into three sections according to the difference of heat flow density by the utility model, and close according to each section of hot-fluid
Degree selects corresponding carft of construction, can be in the high total temperature of jet pipe (3600K), big hot-fluid (30MW/m2) when, long-time work
Make.
Detailed description of the invention
Fig. 1 is the band big hot-fluid supersonic jet nozzle structure schematic diagram of active cooling in embodiment；
Fig. 2 is the partial enlarged view of Fig. 1；
Fig. 3 is the band big hot-fluid supersonic jet nozzle portion cross-sectional view of active cooling in embodiment；
Appended drawing reference in figure are as follows: 1- contraction section, 2- throat, 3- expansion segment, 4- contraction section outer cylinder, 5- contraction section inner cylinder, 6-
Expansion segment outer cylinder, 7- expansion segment inner cylinder, 8- throat outer cylinder, 9- throat inner cylinder, 10- cooling bath, 11- liquid collecting cavity, 12- coolant liquid
Entrance, 13- cooling liquid outlet.
Specific embodiment
The utility model is further described through below in conjunction with the drawings and the specific embodiments.
As shown in Figure 1, the present embodiment jet nozzle is connected in sequence by contraction section 1, throat 2 and expansion segment 3.Contraction section
1 caliber is sequentially reduced until identical as 2 front end caliber of throat, and 2 rear end caliber of throat is greater than front end caliber, 3 caliber of expansion segment
It is gradually increased.
Contraction section 1 includes contraction section outer cylinder 4 and contraction section inner cylinder 5, and throat 2 includes throat's outer cylinder 8 and throat's inner cylinder 9, is expanded
Opening section 3 includes expansion segment outer cylinder 6 and expansion segment inner cylinder 7.In view of nearby heat flow density is larger for contraction section 1, throat 2, contraction section
Inner cylinder 5 and throat's inner cylinder 9 use copper product, and contraction section outer cylinder 4 and throat's outer cylinder 8 use Steel material, contraction section inner cylinder 5 and receipts
Contracting section outer cylinder 4, throat's inner cylinder 9 and throat outer cylinder 8 are using being welded.Because 3 heat flow density of expansion segment is smaller, so expansion
Section outer cylinder 6 and expansion segment inner cylinder 7 are all made of Steel material, and expansion segment outer cylinder 6 and expansion segment inner cylinder 7 pass through Welding.Then
Contraction section 1, throat 2 and expansion segment 3 are welded into one using argon arc welding, form jet nozzle.In order to guarantee reliably to cool down under high temperature,
As shown in Fig. 2, cooling bath is provided between each section of inner cylinder and outer cylinder, from figure 3, it can be seen that each cooling bath 10 is along inner cylinder axis
To arrangement, in the embodiment, cooling bath 10 is opened up along each section of inner tank theca, and each section of outer drum outer wall is equipped with multiple annular compartments,
As coolant liquid liquid collecting cavity, the through-hole for being connected to coolant liquid liquid collecting cavity with multiple row cooling bath is provided on outer cylinder, it is ensured that coolant liquid into
Enter and jet nozzle is cooled down in cooling bath.
Claims (6)
1. a kind of big hot-fluid supersonic jet jet pipe of band active cooling, it is characterised in that: including sequentially connected contraction section (1),
Throat (2) and expansion segment (3)；The caliber of the contraction section (1) is sequentially reduced until, throat identical as throat's (2) front end caliber
(2) rear end caliber is greater than front end caliber, and expansion segment (3) caliber is gradually increased；
The contraction section (1), throat (2) and expansion segment (3) include the inner cylinder and outer cylinder of coaxial package, inner tank theca and outer cylinder
Inner wall connection；
Inner tank theca and outer tube inner wall junction are provided with the multiple row cooling bath (10) along inner cylinder axial direction；
Outer drum outer wall is equipped with the liquid collecting cavity (11) with coolant inlet and outlet, is provided on outer cylinder by coolant liquid liquid collecting cavity
(11) through-hole being connected to multiple row cooling bath (10).
2. the big hot-fluid supersonic jet jet pipe of band active cooling according to claim 1, it is characterised in that: contraction section inner cylinder
It (5) is copper product with the material of throat's inner cylinder (9), contraction section outer cylinder (4) and the material of throat's outer cylinder (8) are Steel material；
Expansion segment inner cylinder (7) and the material of expansion segment outer cylinder (6) are Steel material.
3. the big hot-fluid supersonic jet jet pipe of band active cooling according to claim 2, it is characterised in that: contraction section inner cylinder
(5) lead to contraction section outer cylinder (4), throat's inner cylinder (9) and throat's outer cylinder (8), expansion segment inner cylinder (7) with expansion segment outer cylinder (6)
Cross soldering connection.
4. the big hot-fluid supersonic jet jet pipe of band active cooling according to claim 3, it is characterised in that: contraction section (1)
Argon arc welding welding is all made of with throat (2), throat (2) and expansion segment (3).
5. the big hot-fluid supersonic jet jet pipe of band active cooling according to claim 4, it is characterised in that: contraction section (1),
Throat (2) and expansion segment (3) junction inner cavity rounding off.
6. the big hot-fluid supersonic jet jet pipe of band active cooling according to claim 4, it is characterised in that: liquid collecting cavity (11)
For the multiple annular compartments being circumferentially arranged along outer cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822157453.1U CN209640306U (en) | 2018-12-21 | 2018-12-21 | A kind of big hot-fluid supersonic jet jet pipe of band active cooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822157453.1U CN209640306U (en) | 2018-12-21 | 2018-12-21 | A kind of big hot-fluid supersonic jet jet pipe of band active cooling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209640306U true CN209640306U (en) | 2019-11-15 |
Family
ID=68474966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822157453.1U Withdrawn - After Issue CN209640306U (en) | 2018-12-21 | 2018-12-21 | A kind of big hot-fluid supersonic jet jet pipe of band active cooling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209640306U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109884243A (en) * | 2018-12-21 | 2019-06-14 | 西安航天动力研究所 | A kind of big hot-fluid supersonic jet jet pipe of band active cooling |
| CN111122767A (en) * | 2019-11-29 | 2020-05-08 | 南京理工大学 | Detachable solid rocket engine jet pipe throat lining ablation test device |
-
2018
- 2018-12-21 CN CN201822157453.1U patent/CN209640306U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109884243A (en) * | 2018-12-21 | 2019-06-14 | 西安航天动力研究所 | A kind of big hot-fluid supersonic jet jet pipe of band active cooling |
| CN109884243B (en) * | 2018-12-21 | 2023-12-26 | 西安航天动力研究所 | Ultrasonic jet nozzle with active cooling large heat flow |
| CN111122767A (en) * | 2019-11-29 | 2020-05-08 | 南京理工大学 | Detachable solid rocket engine jet pipe throat lining ablation test device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20191115 Effective date of abandoning: 20231226 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20191115 Effective date of abandoning: 20231226 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |