CN107387260A - The design method of the passive fluidic vectoring nozzle of bypass type and its slipping switch with slipping switch - Google Patents
The design method of the passive fluidic vectoring nozzle of bypass type and its slipping switch with slipping switch Download PDFInfo
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- CN107387260A CN107387260A CN201710521402.XA CN201710521402A CN107387260A CN 107387260 A CN107387260 A CN 107387260A CN 201710521402 A CN201710521402 A CN 201710521402A CN 107387260 A CN107387260 A CN 107387260A
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- slide plate
- bypass channel
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- venturi
- bypass
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K1/00—Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto
- F02K1/78—Other construction of jet pipes
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/17—Mechanical parametric or variational design
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Abstract
The invention discloses the design method of a kind of passive fluidic vectoring nozzle of bypass type with slipping switch and its slipping switch, including the bypass channel being arranged in spout body inner flow passage, the exit position of the bypass channel is fitted with slipping switch, including chute, the slide plate that inner mold face is set in arc-shaped；Wherein：Slipping switch realizes unlatching/closing of bypass channel by the motion of slide plate；When slide plate opens bypass channel, slide plate can be embedded in chute；When slide plate closes bypass channel, one end of slide plate is connected with chute, and the other end is then tangent with end where bypass channel exit site A；The outlet of the outer mold surface protrusion bypass channel of slide plate is set simultaneously.Therefore, switch of the present invention changes a venturi downstream flow field flow structure by particular design, protrusion bypass channel outlet outer mold surface, original oblique shock wave is changed to " λ " type shock wave, wall is more pressed close in flowing, and vector performance is more excellent, and flow losses very little.
Description
Technical field
The present invention relates to a kind of passive fluidic vectoring nozzle of bypass type, especially a kind of bypass type with slipping switch
Passive fluidic vectoring nozzle.
The invention further relates to a kind of design method of slipping switch.
Background technology
Thrust vectoring is increasingly used with the raising of actual demand, future aircraft with the development of science and technology
Aero-engine.Thrust vectoring aero-engine realizes that the core of thrust vectoring function is Thrust-vectoring Nozzle.Tradition machinery formula
Thrust-vectoring Nozzle is complicated, poor reliability, troublesome maintenance.Therefore develop it is a kind of it is simple in construction, in light weight, maintainability is good
Thrust-vectoring Nozzle is extremely urgent.
Instantly, fluid thrust vector spray gradually with its characteristics of simple in construction, in light weight as the research emphasis of various countries
And study hotspot, and engineer applied will be entered in not far future.
And venturi offset fluidic vectoring nozzle is a kind of novel fluid Thrust-vectoring Nozzle of rising in recent years, by knot
Structure is simple, it is in light weight, vector performance is good etc. the characteristics of, more and more favored.Wherein, the passive pneumatic vector spray of bypass type
Pipe is one kind of venturi offset fluidic vectoring nozzle.It devises the bypass of self-adaptive pressure regulation, by adaptively bypassing
The flow of the big minor adjustment time stream of aperture, the size of control disturbance degree, and then thrust vectoring angle is adjusted to meet actual fly
Row needs.
The passive pneumatic thrust vector spray of common bypass type is double throat structures, wherein a throat area omits than two venturis
It is small.Effect is best during for producing disturbance, the bypass channel of throat velocity section deflection is injected at a venturi.This can cause
Type face of the jet pipe at a venturi is discontinuous, and a venturi cusp disappears, and changes flow field structure near a venturi of script, enters
And decline nozzle performance.Therefore the present invention meets that jet pipe practicality is target to recover nozzle performance.
The content of the invention
The present invention in view of the shortcomings of the prior art, based on the passive pneumatic thrust vector spray of the bypass type preferably side of design
Case, on the basis of consider engineering reality, the slipping switch of Curve guide impeller control bypass channel opening and closing, routine side than before
For the blocked flake type switch of up and down motion being used in case, being arranged in bypass channel horizontal segment, maintain to greatest extent
Type face at the venturi of jet pipe one is continuous, as much as possible by the performance of this jet pipe（Especially Thrust vector angle）Reach ideal value.
To realize above-mentioned technical purpose, the present invention will take following technical scheme：
A kind of passive fluidic vectoring nozzle of bypass type with slipping switch, including spout body, the inner flow passage of spout body
Along fluid flow direction be disposed with the anterior expansion converging portion of nozzle inlet, a venturi front portion converging portion, a venturi, two venturis,
Two venturis；Spout body the opening position close to a venturi import by arrange a venturi front portion converging portion of triangle every
Block, the anterior inner flow passage of a venturi is separated into along the axial arranged sprue of spout body and one in triangle
Bypass channel between venturi front portion converging portion and jet pipe outer side surface；The exit position of the bypass channel is fitted with slip
Formula switchs, including the chute and slide plate that inner mold face is set in arc-shaped；Wherein：Slipping switch by the motion of slide plate,
Realize unlatching/closing of bypass channel；When slide plate opens bypass channel, slide plate can be embedded in chute；Slide plate closure bypass is logical
During road, one end of slide plate is connected with chute, and the other end is then tangent with end where bypass channel exit site A；While slide plate
The outlet of outer mold surface protrusion bypass channel is set.
As a further improvement on the present invention, the center of circle O in slide plate inner mold face is the perpendicular bisector L of bypass channel outlet1
With the vertical line L of venturi convergence segment type face tangent line at bypass channel exit site A2The intersection point of formation；The half of slide plate inner mold face
Footpath R1The spacing between center of circle O and bypass channel exit site A for slide plate inner mold face, and slide plate can be done around center of circle O's
Rotary motion；Slide plate outer mold surface is then by the extended line of a venturi front portion converging portion, the expansion segment of the anterior expansion converging portion of two venturis
Extended line and with foregoing center of circle O and radius R2The circular arc three done determines jointly, wherein radius R2More than radius R1。
As a further improvement on the present invention, radius R2With radius R1Difference it is special by the practical structures of spout body, material
Property, structural strength determined to integrate, while need to meet slide plate switch completely closure when slide plate switch with a venturi is anterior restrains
Segment type face is smooth continuous.
As a further improvement on the present invention, chute is with center of circle O and radius R3The circular arc done；And radius R3It is not less than
Radius R2。
As a further improvement on the present invention, the section of a venturi front portion converging portion spacer block of the triangle is in triangle
Shape, there are two pieces, be arranged symmetrically in the upper and lower both sides of spout body inner flow passage.
Another technical purpose of the present invention is a kind of logical for unlatching in the passive fluidic vectoring nozzle of bypass type/closing bypass
The design method of the slipping switch in road, comprises the following steps：
Step 1: make the perpendicular bisector L of bypass channel outlet1；
Step 2: using the intersection point A of bypass channel outlet and a venturi front portion converging portion as intersection point, make venturi convergence segment type face
Vertical line L2, obtain perpendicular bisector L1With vertical line L2Intersection point O；
Step 3: it is radius R using spacing of the intersection point O between the center of circle, intersection point O and intersection point A1Make circular arc, obtain the inner mold of slide plate
Face；
Step 4: using intersection point O as the center of circle, radius R2Make circular arc, and with the circular arc, the extended line of a venturi front portion converging portion, two
The expansion segment extended line three of the anterior expansion converging portion of venturi determines jointly, to obtain the outer mold surface of slide plate；Radius R2More than half
Footpath R1, and radius R2With radius R1Difference by the practical structures, material property, structural strength of spout body come integrate determine, together
Slide plate switch and the anterior convergence segment type face of a venturi are smooth continuously when Shi Yaoqiu slide plates switch closes completely；
Step 5: using intersection point O as the center of circle, radius R3Make circular arc, obtain the inner mold face of chute side；Trough width is more than slide plate
Maximum gauge, to meet the sliding motion in hot work after slide plate thermal expansion, and the specific size of chute should also meet
When bypass channel is opened completely, slide plate takes in the requirement of chute.
According to above-mentioned technical scheme, relative to prior art, the present invention has the advantage that：
（1）Although slipping switch of the present invention and the blocked flake type of the up and down motion used in the past switch（As shown in Figure 3）All
The switch of adaptive bypass channel can be realized, but the two installation site is different, and Flow details difference is larger.Move up and down
Blocked flake type switch may be mounted at each position of adaptive bypass channel, be advisable with the horizontal segment installed in bypass channel；
And invent the slipping switch and can be only installed at a venturi, this is that the effect to be realized by it determines.And using adaptive
The blocked flake type to be moved up and down in should bypassing switchs, and caused after one venturi under vector state is oblique shock wave；And use slidingtype
Switch, be " λ " shock wave caused by one venturi.Just because of the difference of shock wave wave system, cause azimuth different, use slidingtype
The jet pipe azimuth of switch significantly improves than the azimuth that the blocked flake type of up and down motion switchs.
（2）Slipping switch of the present invention is completely in jet pipe, is heated evenly, and thermal deformation is also uniform；And catch
Formula switch sections are in jet pipe thermal current, and a part is in cold air, and thermal deformation is uneven.
Brief description of the drawings
Fig. 1 is the passive fluidic vectoring nozzle schematic diagram of the bypass type of the present invention with slipping switch.
Fig. 2 is the passive fluidic vectoring nozzle partial enlarged drawing of the bypass type of the present invention with slipping switch.
The passive fluidic vectoring nozzle partial enlarged drawing of bypass type that Fig. 3 tradition is switched using up and down motion blocked flake type.
Fig. 4 is the passive fluidic vectoring nozzle mark figure of the bypass type of the present invention with slipping switch.
Wherein：Nozzle inlet 1, jet pipe wall 2, a venturi front portion converging portion 3, chute 4, the slidingtype of slipping switch are opened
The anterior expansion converging portion 7 of the slide plate 5 of pass, a venturi 6, two venturis, two venturis（Nozzle exit）8.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Below
Description only actually at least one exemplary embodiment is illustrative, is never used as to the present invention and its application or makes
Any restrictions.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belongs to the scope of protection of the invention.Unless specifically stated otherwise, otherwise in these realities
Apply the part illustrated in example and the positioned opposite of step, expression formula and numerical value does not limit the scope of the invention.Meanwhile should be bright
In vain, for the ease of description, the size of the various pieces shown in accompanying drawing is not to be drawn according to the proportionate relationship of reality.It is right
It may be not discussed in detail in technology, method and apparatus known to person of ordinary skill in the relevant, but in the appropriate case, institute
Stating technology, method and apparatus should be considered as authorizing part for specification.In shown here and discussion all examples, appoint
What occurrence should be construed as merely exemplary, not as limitation.Therefore, the other examples of exemplary embodiment can
With with different values.
For the ease of description, space relative terms can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be appreciated that space relative terms are intended to comprising the orientation except device described in figure
Outside different azimuth in use or operation.For example, if the device in accompanying drawing is squeezed, it is described as " in other devices
It will be positioned as " under other devices or construction after the device of part or construction top " or " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " can include " ... top " and
" in ... lower section " two kinds of orientation.The device can also other different modes positioning (being rotated by 90 ° or in other orientation).
As shown in Figure 1 and Figure 2, the passive fluidic vectoring nozzle of the bypass type of the present invention with slipping switch, including
Spout body, the inner flow passage of spout body are disposed with nozzle inlet, a venturi front portion converging portion, a larynx along fluid flow direction
The anterior expansion converging portion of road, two venturis, two venturis；Spout body close to a venturi import opening position by arranging spacer block,
Inner flow passage corresponding to one venturi front portion converging portion is separated into along the axial arranged sprue of spout body and in spacer block
An and bypass channel between the converging portion wall of venturi front portion；The exit position of the bypass channel is fitted with slidingtype and opened
Close, including the chute and slide plate that inner mold face is set in arc-shaped；Wherein：Slipping switch by the rotary motion of slide plate,
Realize unlatching/closing of bypass channel；When slide plate opens bypass channel, slide plate can be embedded in chute；Slide plate closure bypass is logical
During road, one end of slide plate is connected with chute, and the other end is then tangent with end where bypass channel exit site A；While slide plate
The outlet of outer mold surface protrusion bypass channel is set.
The center of circle O in slide plate inner mold face is the perpendicular bisector L of bypass channel outlet1Bypassed with venturi convergence segment type face
The vertical line L of tangent line at the A of channel outlet site2The intersection point of formation；The radius R in slide plate inner mold face1For slide plate inner mold face center of circle O with
Spacing between bypass channel exit site A, and slide plate can do the rotary motion around center of circle O；Slide plate outer mold surface is then by one
The extended line of venturi front portion converging portion, two venturis front portion expand the expansion segment extended line of converging portion and with foregoing center of circle O and half
Footpath R2The circular arc three done determines jointly, wherein radius R2More than radius R1。
Radius R2With radius R1Difference by the practical structures, material property, structural strength of spout body come integrate determine,
Require that slide plate switch and the anterior convergence segment type face of a venturi are smooth continuously when slide plate switch closes completely simultaneously.
Chute is with center of circle O and radius R3The circular arc done；And radius R3Not less than radius R2。
The section of the spacer block is in triangular shape, has two pieces, is arranged symmetrically in the upper and lower both sides of spout body inner flow passage.
A kind of design side for being used for the slipping switch of unlatching/closing bypass channel in the passive fluidic vectoring nozzle of bypass type
Method, comprise the following steps：
Step 1: make the perpendicular bisector L of bypass channel outlet1；
Step 2: using the intersection point A of bypass channel outlet and a venturi front portion converging portion as intersection point, make venturi convergence segment type face
Vertical line L2, obtain perpendicular bisector L1With vertical line L2Intersection point O；
Step 3: it is radius R using spacing of the intersection point O between the center of circle, intersection point O and intersection point A1Make circular arc, obtain the inner mold of slide plate
Face；
Step 4: using intersection point O as the center of circle, radius R2Make circular arc, and with the circular arc, the extended line of a venturi front portion converging portion, two
The expansion segment extended line three of the anterior expansion converging portion of venturi determines jointly, to obtain the outer mold surface of slide plate；Radius R2More than half
Footpath R1, and radius R2With radius R1Difference by the practical structures, material property, structural strength of spout body come integrate determine, together
Slide plate switch and the anterior convergence segment type face of a venturi are smooth continuous during Shi Yaoqiu slide plates switch closure；
Step 5: using intersection point O as the center of circle, radius R3Make circular arc, obtain the inner mold face of chute side；Trough width is more than slide plate
Maximum gauge, to meet the sliding motion in hot work after slide plate thermal expansion, and the specific size of chute should also meet
When bypass channel is opened completely, slide plate takes in the requirement of chute.
The slipping switch designed by means such as complex profile complex optimums is, it is necessary to meet several requirements：（1）Energy
Meet do not have when air tight, bypass channel is opened when bypass channel is closed in the adaptive bypass channel of excessive parts occlusive effects
Flowing；（2）Slide plate outer mold surface protrudes the outlet of bypass channel, to improve the next venturi downstream flow field flow knot of vector state
Structure, original oblique shock wave is changed to " λ " type shock wave, wall is more pressed close in flowing, and vector performance is more excellent；（3）Although above
Described slipping switch belongs to the slip of the circular arc path around some center of circle, but specific motion mode and motion path include but
Not limited to this, the motion of a variety of complex methods such as including linear slide.
This jet pipe realizes that the principle of thruster vector control is consistent with conventional venturi offset fluidic vectoring nozzle, herein no longer
Repeat.
It can thus be appreciated that：Slipping switch of the present invention devises special outer mold surface, and realizing this switch can both control
The aperture of bypass is made, a venturi type face can be safeguarded when closed again, avoids jet pipe wall interruption near a venturi of key from drawing
The vector hydraulic performance decline risen.
The present invention is applied on the passive fluidic vectoring nozzle of bypass type, what the blocked flake type to be moved up and down instead of tradition switched
Design.Pass through the slide plate of the similar circular arc of particular design so that it is logical that adaptive bypass can have both been closed when this switch is closed
Road, venturi height and the optimal wall type face of a venturi can also be preserved to greatest extent, by one venturi during previous vector state
The oblique shock wave at rear portion is changed into " λ " type shock wave, and flowing is more close to the anterior expansion converging portion of two venturis, so as to realize carrying for azimuth
It is high.
2 kinds of normal operating conditions of the present invention point：Non- vector state and vector state.During non-vector state, in jet pipe one
Slipping switch at venturi is turned off, and jet pipe inner mold face is symmetrical above and below, and air-flow does not deflect.During vector state, one breaks away
Moving type switch is opened and another side closure.It is used to control with this jet pipe and new line thrust vectoring is produced during aircraft pitch attitude
Exemplified by.Now, slipping switch is opened on the upside of jet pipe, and air-flow is flowed by the adaptive equalization of pressure from the bypass channel of upside
Go out, at a venturi inject jet pipe so that throatpiston deflection at a venturi so that main flow finally from two venturis ejection after
Deflection is produced, realizes thrust vectoring.Now, downside slipping switch is closed so that the shock wave of " λ " type is produced in flow field, after ripple
Flowing is more adherent, so that common configuration than before（The bypass channel that bypass channel cusp is circulated at one venturi eliminates）Come
Say, due to the recovery of a venturi cusp, realize the raising of vector effect.
Claims (6)
1. a kind of passive fluidic vectoring nozzle of bypass type with slipping switch, including spout body, the interior stream of spout body
Road is disposed with the anterior expansion convergence of nozzle inlet, a venturi front portion converging portion, a venturi, two venturis along fluid flow direction
Section, two venturis；Spout body in the opening position close to a venturi import by arranging a venturi front portion converging portion of triangle,
Inner flow passage corresponding to one venturi front portion converging portion is separated into along the axial arranged sprue of spout body and in a larynx
Bypass channel between road front portion converging portion and spout body wall；It is characterized in that：The exit position of the bypass channel
It is fitted with slipping switch, including the chute and slide plate that inner mold face is set in arc-shaped；Wherein：
Slipping switch realizes unlatching/closing of bypass channel by the motion of slide plate；
When slide plate opens bypass channel, slide plate can be embedded in chute；When slide plate closes bypass channel, one end of slide plate and chute
Connection, the other end are then tangent with end where bypass channel exit site A；The outer mold surface of slide plate protrudes going out for bypass channel simultaneously
Mouth section is set.
2. there is the passive fluidic vectoring nozzle of bypass type of slipping switch according to claim 1, it is characterised in that：Slide plate
The center of circle O in inner mold face is the perpendicular bisector L of bypass channel outlet1Segment type face is restrained in bypass channel exit site with a venturi
The vertical line L of tangent line at A2The intersection point of formation；The radius R in slide plate inner mold face1Exported for the center of circle O and bypass channel in slide plate inner mold face
Spacing between the A of site, and slide plate can do the rotary motion around center of circle O；
Slide plate outer mold surface is then by the extended line of a venturi front portion converging portion, the expansion elongated segment of the anterior expansion converging portion of two venturis
Line and with foregoing center of circle O and radius R2The circular arc three done determines jointly, wherein radius R2More than radius R1。
3. there is the passive fluidic vectoring nozzle of bypass type of slipping switch according to claim 2, it is characterised in that：Radius
R2With radius R1Difference determined by the practical structures, material property, structural strength of spout body to integrate, while require slide plate
Slide plate switch and the anterior convergence segment type face of a venturi are smooth continuous during switch closure.
4. there is the passive fluidic vectoring nozzle of bypass type of slipping switch according to claim 1, it is characterised in that：Chute
For with center of circle O and radius R3The circular arc done；And radius R3Not less than radius R2。
5. there is the passive fluidic vectoring nozzle of bypass type of slipping switch according to claim 1, it is characterised in that：It is described
One venturi front portion converging portion of triangle has two pieces, is arranged symmetrically in the upper and lower both sides of spout body inner flow passage.
A kind of 6. design side for being used for the slipping switch of unlatching/closing bypass channel in the passive fluidic vectoring nozzle of bypass type
Method, it is characterised in that comprise the following steps：
Step 1: make the perpendicular bisector L of bypass channel outlet1；
Step 2: using the intersection point A of bypass channel outlet and a venturi front portion converging portion as intersection point, make venturi convergence segment type face
Vertical line L2, obtain perpendicular bisector L1With vertical line L2Intersection point O；
Step 3: it is radius R using spacing of the intersection point O between the center of circle, intersection point O and intersection point A1Make circular arc, obtain the inner mold of slide plate
Face；
Step 4: using intersection point O as the center of circle, radius R2Make circular arc, and with the circular arc, extended line, two larynxs of a venturi front portion converging portion
The expansion segment extended line three of the anterior expansion converging portion in road determines jointly, to obtain the outer mold surface of slide plate；Radius R2More than radius
R1, and radius R2With radius R1Difference by the practical structures, material property, structural strength of spout body come integrate determine, simultaneously
It is required that slide plate switch and the anterior convergence segment type face of a venturi are smooth continuous during slide plate switch closure；
Step 5: using intersection point O as the center of circle, radius R3Make circular arc, obtain the inner mold face of chute side；Trough width is more than slide plate
Maximum gauge, to meet the sliding motion in hot work after slide plate thermal expansion, and the specific size of chute should also meet
When bypass channel is opened completely, slide plate takes in the requirement of chute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710521402.XA CN107387260B (en) | 2017-06-30 | 2017-06-30 | The design method of the passive fluidic vectoring nozzle of bypass type and its slipping switch with slipping switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710521402.XA CN107387260B (en) | 2017-06-30 | 2017-06-30 | The design method of the passive fluidic vectoring nozzle of bypass type and its slipping switch with slipping switch |
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| Publication Number | Publication Date |
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| CN107387260A true CN107387260A (en) | 2017-11-24 |
| CN107387260B CN107387260B (en) | 2019-08-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113982777A (en) * | 2021-11-10 | 2022-01-28 | 南京航空航天大学 | Pneumatic thrust vectoring nozzle of two throats of linearization control |
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| JPH1193774A (en) * | 1997-09-24 | 1999-04-06 | Ishikawajima Harima Heavy Ind Co Ltd | Multiaxial thrust deflecting nozzle for gas turbine |
| CN102434315A (en) * | 2011-11-28 | 2012-05-02 | 南京航空航天大学 | Bypass type double-throat passive vectoring sprayer nozzle |
| CN104847529A (en) * | 2015-03-27 | 2015-08-19 | 南京航空航天大学 | Three-degree of freedom vectored thrust system based on novel air-operated vectoring thrust nozzle |
| CN105443268A (en) * | 2015-11-26 | 2016-03-30 | 南京航空航天大学 | Bypass type passive double-throat pneumatic vector spraying pipe with flow regulating function and control method |
| CN105697190A (en) * | 2014-11-28 | 2016-06-22 | 中国航空工业集团公司沈阳发动机设计研究所 | Novel two-dimensional plug nozzle |
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2017
- 2017-06-30 CN CN201710521402.XA patent/CN107387260B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1193774A (en) * | 1997-09-24 | 1999-04-06 | Ishikawajima Harima Heavy Ind Co Ltd | Multiaxial thrust deflecting nozzle for gas turbine |
| CN102434315A (en) * | 2011-11-28 | 2012-05-02 | 南京航空航天大学 | Bypass type double-throat passive vectoring sprayer nozzle |
| CN105697190A (en) * | 2014-11-28 | 2016-06-22 | 中国航空工业集团公司沈阳发动机设计研究所 | Novel two-dimensional plug nozzle |
| CN104847529A (en) * | 2015-03-27 | 2015-08-19 | 南京航空航天大学 | Three-degree of freedom vectored thrust system based on novel air-operated vectoring thrust nozzle |
| CN105443268A (en) * | 2015-11-26 | 2016-03-30 | 南京航空航天大学 | Bypass type passive double-throat pneumatic vector spraying pipe with flow regulating function and control method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113982777A (en) * | 2021-11-10 | 2022-01-28 | 南京航空航天大学 | Pneumatic thrust vectoring nozzle of two throats of linearization control |
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| Publication number | Publication date |
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| CN107387260B (en) | 2019-08-13 |
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