CN108533406A - A kind of sliding block is moved forward and backward variable geometry inlet under the jaw adjusted - Google Patents
A kind of sliding block is moved forward and backward variable geometry inlet under the jaw adjusted Download PDFInfo
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- CN108533406A CN108533406A CN201810611454.0A CN201810611454A CN108533406A CN 108533406 A CN108533406 A CN 108533406A CN 201810611454 A CN201810611454 A CN 201810611454A CN 108533406 A CN108533406 A CN 108533406A
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- sliding block
- type face
- face
- wedge surface
- air intake
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/04—Air intakes for gas-turbine plants or jet-propulsion plants
- F02C7/042—Air intakes for gas-turbine plants or jet-propulsion plants having variable geometry
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/04—Air intakes for gas-turbine plants or jet-propulsion plants
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention provides a kind of sliding blocks to be moved forward and backward variable geometry inlet under the jaw adjusted, it is mainly made of fixed face and slider type face, wherein the fixed face includes the diffusion segment type face of air intake duct external compression segment type face, contract segment type face, rail type face, lip type face, throat-type face and matched design, posterior lip oralia type face；The slider type face includes wedge surface before sliding block, wedge surface after sliding block top surface and sliding block.Throat's size is adjusted by the back-and-forth motion of sliding block, the air intake duct is enable to work in wider range of Mach numbers, and keeps having superior performance at design point and off-design point.
Description
Technical field
The invention belongs to the superb air inlet system and exhaust system technical field of aerospace flight vehicle, it is related to adjustable air intake under a kind of jaw
Road, it is especially a kind of using sliding block carry out wide scope adjusting supersonic speed jaw under air intake duct.
Background technology
Air intake duct is the operation energy of an important Pneumatic component of punching engine, design form and parameter to engine
Power, working performance, which exist, to be significantly affected.Currently, it is design with highest flight Mach number to determine geometry hypersonic inlet often
Point, contraction is bigger, when air intake duct relay point Mach number is relatively low, often leads to Unstart phenomena.In order to solve this phenomenon,
We devise a kind of regulative mode that sliding block is moved forward and backward, when air intake duct speed changes from High Mach number to low mach,
Reduce shrinkage ratio by mobile sliding block, enables air intake duct compared with being started under low mach.Air intake duct speed from low mach to
When High Mach number changes, shrinkage ratio is increased by mobile sliding block, air intake duct is made to have superior performance under design point.
Invention content
Goal of the invention：In order to overcome the deficiencies in the prior art, the present invention is provided under a kind of adjustable supersonic speed jaw
Air intake duct adjusts throat's size by the back-and-forth motion of sliding block, the air intake duct is enable to work in wider range of Mach numbers,
And keep having superior performance at design point and off-design point.
Technical solution of the invention：
A kind of sliding block is moved forward and backward variable geometry inlet under the jaw adjusted, is made of fixed face and slider type face, wherein institute
State fixed face include air intake duct external compression segment type face, contract segment type face, rail type face, lip type face, throat-type face and
Diffusion segment type face, the posterior lip oralia type face of matched design, wherein throat-type face are parallel to rail type face institute with posterior lip oralia type face
In plane, the diffusion segment type face of matched design is in extend out design；The slider type face is made of the sliding block of an intermediate projections, including
Wedge surface after wedge surface, sliding block top surface and sliding block before sliding block, wedge surface is being parallel to rail type face respectively after wedge surface, sliding block before the sliding block
The both sides of the sliding block top surface of place plane are formed from sliding block top surface to the ramp of sliding block bottom surface；
The sliding block is moved forward and backward on the rail type face in the fixed face, including：
When sliding block is located at and is held in face of rail type, wedge surface is connect with contract segment type face before the sliding block, as interior compression
A part for section；The diffusion segment type face of wedge surface and the matched design extended out constitutes diffusion channel after the sliding block；
When sliding block is located at rail type face end, the diffusion segment type face of wedge surface and the matched design is constituted before the sliding block
One section of runner；Wedge surface constitutes diffusion channel with the posterior lip oralia type face after the sliding block.
Further, the diffusion segment type face of the matched design and wedge surface Parallel Design before sliding block and isometric, in sliding block position
When the end of rail type face, wedge surface and the runner that matched design diffusion segment type face is constituted are cross-section runner before sliding block.
Further, when sliding block is located at and is held in face of rail type, wedge surface and the tangent company in contract segment type face before the sliding block
It connects, is cut in the end in contract segment type face before the sliding block outside wedge surface.
Further, the tangent transition in diffusion segment type face in the posterior lip oralia type face and matched design, the posterior lip oralia
The end in the diffusion segment type face of matched design is cut in outside type face.
Further, Fighter Inlet covering of the fan fan angle be α, inlet -duct area S it is known that air intake duct institute in a coordinate system,
The height h of the sliding block top surface of the sliding block7With the height h in throat-type face2Geometrical relationship be：
The height h in the rail type face in fixed face9With the height h in throat-type face2Geometrical relationship be：
Posterior lip oralia profile h10With the height h of sliding block top surface7Geometrical relationship be：
Further, the Fighter Inlet covering of the fan fan angle, α is 100 °~150 °.
Further, the angle of inclination in the ramp of wedge surface is 5 °~10 ° before the sliding block of the sliding block, the slope of wedge surface after sliding block
The gradient in road is 5 °~10 °.
Further, it is adjusted under two kinds of operating modes of air intake duct, is air intake duct decelerating flight operating mode and air intake duct respectively
Accelerate flight operating mode.
Further, under the air intake duct decelerating flight operating mode, the glide direction of sliding block is along rail type face from forward direction
After slide, initial time incoming is High Mach number, and sliding block is located at front end, wedge surface and the tangent transition in contract segment type face before sliding block,
As a part for interior compression section, sliding block top surface limits air intake duct throat length, the diffusion of wedge surface and matched design after sliding block
Segment type face forms diffusion channel, and air intake duct has compared with high convergency ratio at this time；Free stream Mach number continuously decreases under deceleration situations, and sliding block is slided
To rail type face end, shrinkage ratio reduction makes air intake duct that can be started under low mach, wedge surface, sliding block top surface before the sliding block
One section of cross-section runner is constituted with diffusion segment type face, the posterior lip oralia type face of the matched design.
Further, the air intake duct accelerates flight progress, the glide direction of sliding block be along rail type face from back to front
Sliding, shrinkage ratio are changed from small to big.
Further, it can be used for the adjusting under two kinds of operating modes of air intake duct, be air intake duct decelerating flight operating mode and air inlet respectively
Road accelerates flight operating mode.
Further, under the air intake duct decelerating flight operating mode, sliding block glide direction be along rail type face from front to back
Sliding, initial time incoming are High Mach number, and sliding block is located at front end, preceding wedge surface and the tangent transition in contract segment type face, as interior
A part for compression section, sliding block top surface limit air intake duct throat length, after sliding block below the diffuser of wedge surface and matched design
Board group has at diffusion channel, at this time air intake duct compared with high convergency ratio.Free stream Mach number continuously decreases under deceleration situations, and sliding block, which slides to, leads
Rail type face end, shrinkage ratio reduction make air intake duct that can be started under low mach, wedge surface, the sliding block top surface before the sliding block
One section of cross-section runner is constituted with diffusion segment type face, the posterior lip oralia type face of the matched design.
Further, the air intake duct accelerates flight progress, and sliding block glide direction is slided from back to front along rail type face
Dynamic, shrinkage ratio is changed from small to big, and ensures that design point High Mach number has superior performance.
Beneficial effects of the present invention：Design of Inlet under wide scope jaw provided by the invention is moved forward and backward using sliding block
Regulation measure has well solved punching engine wide scope work problem, helps to widen engine work Mach number lower limit,
The program has many advantages, such as simple in structure, easy to implement, mitigation adjusts additional mass simultaneously.
Description of the drawings
Fig. 1 is that air intake duct sliding block adjusts schematic diagram from front to back under jaw.
Fig. 2 is that sliding block is located at end air intake duct runner schematic diagram in face of rail type.
Fig. 3 is that sliding block is located at rail type face end air intake duct runner schematic diagram.
Wherein：1- lip types face, 2- throat-types face, the diffusion segment type face of 3- matched designs, 4- external compression segment types face, in 5-
Shrink segment type face, wedge surface before 6- sliding blocks, 7- sliding blocks top surface, wedge surface after 8- sliding blocks, 9- rail types face, 10- posterior lip oralia types face,
11- sliding blocks.
Specific implementation mode
Specific embodiments of the present invention are further described below in conjunction with attached drawing.In the following description for
It explains purpose and not restrictive, elaborates detail, to help to be fully understood by the present invention.However, to art technology
It will be apparent that the present invention can also be put into practice in the other embodiment departing from these details for personnel.
It should be noted that in order to avoid having obscured the present invention because of unnecessary details, only show in the accompanying drawings
The device structure closely related with scheme according to the present invention and/or processing step are gone out, and have been omitted with relationship of the present invention not
Big other details.
Variable geometry inlet under the jaw being moved forward and backward the invention discloses a kind of sliding block, Fig. 1 are that air intake duct sliding block is adjusted under jaw
Schematic diagram, Fig. 2 are that sliding block is located at end air intake duct schematic diagram in face of rail type, and Fig. 3 is that sliding block is located at rail type face end air intake duct
Schematic diagram.
Variable geometry inlet is made of fixed face and slider type face under the jaw, wherein the fixed face includes air intake duct
External compression segment type face 4, contract segment type face 5, rail type face 9, lip type face 1, throat-type face 2 and matched design diffuser
Type face 3, posterior lip oralia type face 10；The slider type face includes wedge surface 6 before sliding block, wedge surface 8 after sliding block top surface 7 and sliding block.Sliding block
11 carry out back-and-forth motion adjusting on rail type face 9.
Preferably, in some embodiments, wedge surface 6 is when sliding block is located at 9 front end of rail type face before the sliding block, as interior
A part for compression section constitutes one when sliding block 11 is located at 9 end of rail type face with the diffusion segment type face 3 of the matched design
Duan Liudao.Wedge surface 8 is when sliding block is located at 9 front end of rail type face after the sliding block, 3 structure of diffusion segment type face with the matched design
At diffusion channel, when sliding block is located at 9 end of rail type face, diffusion channel is constituted with the posterior lip oralia type face 10.
Preferably, in some embodiments, the diffusion segment type face 3 of the matched design is designed according to wedge surface before sliding block 6, sliding
When block is located at guide rail end, wedge surface 6 and the runner that matched design diffusion segment type face 3 is constituted are cross-section runner before sliding block.
Preferably, in some embodiments, the height in throat-type face 2 in Design of Inlet it is known that the sliding block 11
The height of sliding block top surface 7 is limited by the height and air intake duct throat opening area in throat-type face 2, the rail type face 9 in fixed face
Height limited by throat opening area when low mach, posterior lip oralia type face 10 and 3 phase of diffusion segment type face of matched design are cut through
It crosses, then 10 height of posterior lip oralia type face is limited by the distance between rail type face 9 and sliding block top surface 7.
Specifically it is limited to：It is α in Fighter Inlet covering of the fan fan angle, inlet -duct area S is it is known that as shown in Figure 1, in air intake duct
Institute in a coordinate system, using the starting point in the external compression segment type face 4 of air intake duct as coordinate origin, the sliding block top surface 7 of the sliding block 11
Height h7With the height h in throat-type face 22Geometrical relationship be：
The height h in the rail type face 9 in fixed face9With the height h in throat-type face 22Geometrical relationship be：
10 height h of posterior lip oralia type face10With the height h of sliding block top surface 77Geometrical relationship be：
Preferably, in some embodiments, Fighter Inlet covering of the fan fan angle, α is 100 °~150 °, preferably 130 °.
Preferably, in some embodiments, the length of wedge surface 6 and angle of inclination determine institute before the sliding block of the sliding block 11
State the length and expansion angle in the diffusion segment type face 3 of matched design, thus in order to make the diffusion segment type face 3 of the matched design with
The equivalent divergent angle size that wedge surface 8 is formed after sliding block is suitable, and the angle of inclination of wedge surface 6 takes at 5 °~10 ° before the sliding block of sliding block 11
In the range of it is proper.After sliding block ramp, that is, gradient of wedge surface 8 by sliding block 11 length limitation, angle of inclination take 5 °~
10 ° proper.
Preferably, in some embodiments, it is as follows to fix quasi spline for the air intake duct：Set air intake duct work Mach number
Ranging from Mamin~Mamax, air intake duct fixed face and slider type face are according to discharge coefficient, the total pressure recovery etc. of Mamax
Performance indicator require and Mamin starting performance Demand Design and obtain, this technology being known in the art.
Preferably, in some embodiments, it can be used for the adjusting under two kinds of operating modes of air intake duct, be that air intake duct deceleration flies respectively
Row operating mode and air intake duct accelerate flight operating mode.
Preferably, in some embodiments, under the air intake duct decelerating flight operating mode, 11 glide direction of sliding block is that edge is led
Rail type face is slided from front to back, and initial time incoming is Mamax, and sliding block 11 is located at 9 front end of rail type face, position as shown in Fig. 2,
Air intake duct has compared with high convergency ratio at this time, and corresponding throat's performance is more preferable.Wedge surface 6 is cut through with 5 phase of contract segment type face before sliding block
It crosses, as a part for interior compression section, and sliding block top surface 7 limits air intake duct throat length, wedge surface 8 and matched design after sliding block
3 lower panel of diffuser composition diffusion channel, under limit back-pressure, it is infrasound to stablize the air velocity after the terminal shock wave of throat
Speed is further decreased by diffusion channel velocity, and total pressure recovery improves.Free stream Mach number is gradually decrease under deceleration situations
Mamin, at this time sliding block 11 slide to 9 end of rail type face, position as shown in figure 3, shrinkage ratio reduction make air intake duct in low mach
Under can start, the diffusion segment type face 3 of wedge surface 6, the sliding block top surface 7 and the matched design, posterior lip oralia before the sliding block
Type face 10 constitutes one section of cross-section runner.
Preferably, in some embodiments, the air intake duct accelerates flight progress, flying speed to be increased to by Mamin
Mamax, in Mamin and Mamax, for corresponding position respectively as shown in Fig. 3 and Fig. 2,11 glide direction of sliding block is along guide rail to sliding block 11
Type face 9 is slided from back to front, and shrinkage ratio is changed from small to big, and is being widened flight Mach number range while being ensured that design point High Mach number has
Superior performance.
The above is only a preferred embodiment of the present invention, it should be pointed out that for those skilled in the art
Various improvements and modifications may be made without departing from the principle of the present invention, and for example adjusting slider and rail type face change
For lip plate side, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of sliding block is moved forward and backward variable geometry inlet under the jaw adjusted, it is characterised in that：By fixed face and slider type face structure
At wherein the fixed face includes air intake duct external compression segment type face (4), contract segment type face (5), rail type face (9), lip
Diffusion segment type face (3), the posterior lip oralia type face (10), wherein throat-type face in type face (1), throat-type face (2) and matched design
(2) plane where being parallel to rail type face (9) with posterior lip oralia type face (10), the diffusion segment type face (3) of matched design are in extend out
Design；The slider type face is made of the sliding block (11) of an intermediate projections, including wedge surface (6), sliding block top surface (7) and cunning before sliding block
Wedge surface (8) after block, wedge surface (8) plane where being parallel to rail type face (9) respectively after wedge surface (6), sliding block before the sliding block
The both sides of sliding block top surface (7) are formed from sliding block top surface (7) to the ramp of sliding block (11) bottom surface；
The sliding block (11) is moved forward and backward on the rail type face (9) in the fixed face, including：
When sliding block (11) is located at rail type face (9) front end, wedge surface (6) is connect with contract segment type face (5) before the sliding block, is made
For a part for interior compression section；The diffusion segment type face (3) of wedge surface (8) and the matched design extended out, which is constituted, after the sliding block expands
Pressure passageway；
When sliding block (11) is located at rail type face (9) end, the diffusion segment type of wedge surface (6) and the matched design before the sliding block
Face (3) constitutes one section of runner；Wedge surface (8) constitutes diffusion channel with the posterior lip oralia type face (10) after the sliding block.
2. sliding block according to claim 1 is moved forward and backward variable geometry inlet under the jaw adjusted, it is characterised in that：The matching
The diffusion segment type face (3) of design and (6) Parallel Design of wedge surface before sliding block and isometric, are located at rail type face (9) end in sliding block (11)
When end, wedge surface (6) and the runner that matched design diffusion segment type face (3) is constituted are cross-section runner before sliding block.
3. sliding block according to claim 1 is moved forward and backward variable geometry inlet under the jaw adjusted, it is characterised in that：In sliding block
(11) when being located at rail type face (9) front end, wedge surface (6) and contract segment type face (5) tangent connection, the sliding block before the sliding block
The end in contract segment type face (5) is cut in outside preceding wedge surface (6).
4. sliding block according to claim 1 is moved forward and backward variable geometry inlet under the jaw adjusted, it is characterised in that：The posterior lip
Diffusion segment type face (3) the tangent transition in oralia type face (10) and matched design, the posterior lip oralia type face (10) are cut in matching outside
The end in the diffusion segment type face (3) of design.
5. sliding block according to claim 1 is moved forward and backward variable geometry inlet under the jaw adjusted, it is characterised in that：In air intake duct
Import covering of the fan fan angle be α, inlet -duct area S it is known that air intake duct institute in a coordinate system, the sliding block top surface (7) of the sliding block (11)
Height h7With the height h of throat-type face (2)2Geometrical relationship be：
The height h in the rail type face (9) in fixed face9With the height h of throat-type face (2)2Geometrical relationship be：
Posterior lip oralia type face (10) height h10With the height h of sliding block top surface (7)7Geometrical relationship be：
6. sliding block according to claim 5 is moved forward and backward variable geometry inlet under the jaw adjusted, it is characterised in that：The air inlet
Import covering of the fan fan angle, α in road directly affects the ratio of width to height of air intake duct runner, and it is 100 °~150 ° generally to take α.
7. sliding block according to claim 1 is moved forward and backward variable geometry inlet under the jaw adjusted, it is characterised in that：The sliding block
(11) angle of inclination in the ramp of wedge surface (6) is 5 °~10 ° before sliding block, and the gradient in the ramp of wedge surface (8) is 5 ° after sliding block
~10 °.
8. sliding block according to claim 1 is moved forward and backward variable geometry inlet under the jaw adjusted, it is characterised in that：In air intake duct
It is adjusted under two kinds of operating modes, is that air intake duct decelerating flight operating mode and air intake duct accelerate flight operating mode respectively.
9. sliding block according to claim 8 is moved forward and backward variable geometry inlet under the jaw adjusted, it is characterised in that：It is described into
Under air flue decelerating flight operating mode, the glide direction of sliding block (11) is slided from front to back along rail type face (9), initial time incoming
For High Mach number, sliding block (11) is located at front end, wedge surface (6) and contract segment type face (5) tangent transition before sliding block, as interior compression
A part for section, sliding block top surface (7) limit air intake duct throat length, the diffusion segment type of wedge surface (8) and matched design after sliding block
Face (3) forms diffusion channel, and air intake duct has compared with high convergency ratio at this time；Free stream Mach number continuously decreases under deceleration situations, sliding block
(11) rail type face (9) end is slided to, shrinkage ratio reduction makes air intake duct that can be started under low mach, wedge surface before the sliding block
(6), sliding block top surface (7) and the diffusion segment type face (3) of the matched design, posterior lip oralia type face (10) constitute one section of constant area flow
Road.
10. sliding block according to claim 8 is moved forward and backward variable geometry inlet under the jaw adjusted, it is characterised in that：Described
Air intake duct accelerates flight progress, and the glide direction of sliding block (11) is slided from back to front along rail type face, and shrinkage ratio is changed from small to big.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810611454.0A CN108533406B (en) | 2018-06-14 | 2018-06-14 | Submaxillary adjustable air inlet channel with sliding block capable of being adjusted in forward and backward movement mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810611454.0A CN108533406B (en) | 2018-06-14 | 2018-06-14 | Submaxillary adjustable air inlet channel with sliding block capable of being adjusted in forward and backward movement mode |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108533406A true CN108533406A (en) | 2018-09-14 |
| CN108533406B CN108533406B (en) | 2023-09-05 |
Family
ID=63470806
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810611454.0A Active CN108533406B (en) | 2018-06-14 | 2018-06-14 | Submaxillary adjustable air inlet channel with sliding block capable of being adjusted in forward and backward movement mode |
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| CN (1) | CN108533406B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110159434A (en) * | 2018-11-15 | 2019-08-23 | 北京机电工程研究所 | A kind of air intake duct tunable arrangement and method |
| CN112572810A (en) * | 2020-11-25 | 2021-03-30 | 北京空天技术研究所 | Air inlet passage boundary layer separation eliminating device and aircraft |
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| US4991795A (en) * | 1989-01-17 | 1991-02-12 | The Boeing Company | Two-stage supersonic inlet |
| CN103538727A (en) * | 2013-09-30 | 2014-01-29 | 中国人民解放军国防科学技术大学 | Method for designing pneumatic layout of axial-symmetry air-breathing hypersonic aircraft |
| CN104481700A (en) * | 2014-09-25 | 2015-04-01 | 南京航空航天大学 | Combined dynamic axisymmetric variable geometry inlet, engine and air inlet control method |
| CN204627748U (en) * | 2015-04-16 | 2015-09-09 | 南京航空航天大学 | A kind of rectangular inlet binary hypersonic change geometry intake duct |
| CN107013332A (en) * | 2017-02-17 | 2017-08-04 | 北京动力机械研究所 | A kind of variable geometry inlet |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1288499A (en) * | 1961-05-03 | 1962-03-24 | M A N Turbomotoren G M B H | Adjustable air inlet port for reactor |
| US4991795A (en) * | 1989-01-17 | 1991-02-12 | The Boeing Company | Two-stage supersonic inlet |
| CN103538727A (en) * | 2013-09-30 | 2014-01-29 | 中国人民解放军国防科学技术大学 | Method for designing pneumatic layout of axial-symmetry air-breathing hypersonic aircraft |
| CN104481700A (en) * | 2014-09-25 | 2015-04-01 | 南京航空航天大学 | Combined dynamic axisymmetric variable geometry inlet, engine and air inlet control method |
| CN204627748U (en) * | 2015-04-16 | 2015-09-09 | 南京航空航天大学 | A kind of rectangular inlet binary hypersonic change geometry intake duct |
| CN107013332A (en) * | 2017-02-17 | 2017-08-04 | 北京动力机械研究所 | A kind of variable geometry inlet |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110159434A (en) * | 2018-11-15 | 2019-08-23 | 北京机电工程研究所 | A kind of air intake duct tunable arrangement and method |
| CN112572810A (en) * | 2020-11-25 | 2021-03-30 | 北京空天技术研究所 | Air inlet passage boundary layer separation eliminating device and aircraft |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108533406B (en) | 2023-09-05 |
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