CN107187608A - A kind of air blowing type afterbody flowfield fairing - Google Patents
A kind of air blowing type afterbody flowfield fairing Download PDFInfo
- Publication number
- CN107187608A CN107187608A CN201710373374.1A CN201710373374A CN107187608A CN 107187608 A CN107187608 A CN 107187608A CN 201710373374 A CN201710373374 A CN 201710373374A CN 107187608 A CN107187608 A CN 107187608A
- Authority
- CN
- China
- Prior art keywords
- flowfield
- air blowing
- blowing type
- afterbody
- rectification mechanism
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D29/00—Power-plant nacelles, fairings, or cowlings
- B64D29/06—Attaching of nacelles, fairings or cowlings
Abstract
A kind of air blowing type afterbody flowfield fairing, air blowing type afterbody flowfield rectification mechanism including being symmetricly set on engine two sides of tail, air blowing type afterbody flowfield rectification mechanism is breather line, breather line is hollow structure, its front end is provided with air blowing type afterbody flowfield rectification mechanism air inlet, and rear end is provided with air blowing type afterbody flowfield rectification mechanism gas outlet；Air blowing type afterbody flowfield rectification mechanism air inlet is arranged on side strip bottom, and air blowing type afterbody flowfield rectification mechanism gas outlet is arranged on the gap location between engine afterbody and side strip；Air-flow reaches air blowing type afterbody flowfield rectification mechanism gas outlet by air blowing type afterbody flowfield rectification mechanism air inlet through breather line, gap between engine afterbody and side strip sprays, with improve or solve gap location airless by and as air-flow dead band situation.
Description
Technical field
The present invention relates to aircraft flow field commutation technique field, more particularly to a kind of air blowing type afterbody flowfield fairing.
Background technology
To the single-shot with side strip or the aircraft of Shuan Fa aerodynamic arrangements, because aircraft is in the tail of each stage engine of flight
Change is constantly shunk or opened in portion, therefore must retain certain gap between engine afterbody and side strip, otherwise
Engine afterbody is easily caused to interfere with side strip；Simultaneously flowing through body top after aircraft, bottom, the air-flow of sidepiece can not arrive
Up at this gap, this gap is turned into the dead band of air-flow, in turn result in gap location air turbulence, cause air-flow to separate, promote to fly
Pressure fluctuation is produced after machine on body, the problems such as body vibrates after aircraft is caused, had a negative impact to aircraft.
The content of the invention
Technical problem solved by the invention is to provide a kind of air blowing type afterbody flowfield fairing, to solve the above-mentioned back of the body
Shortcoming in scape technology.
Technical problem solved by the invention is realized using following technical scheme：
A kind of air blowing type afterbody flowfield fairing, including be symmetricly set on engine two sides of tail air blowing type afterbody flowfield it is whole
Mechanism is flowed, air blowing type afterbody flowfield rectification mechanism is breather line, and breather line is hollow structure, and its front end is provided with air blowing type
Afterbody flowfield rectification mechanism air inlet, rear end is provided with air blowing type afterbody flowfield rectification mechanism gas outlet；Air blowing type afterbody flowfield
Rectification mechanism air inlet is arranged on side strip bottom, air blowing type afterbody flowfield rectification mechanism gas outlet be arranged on engine afterbody with
Gap location between side strip, and air blowing type afterbody flowfield rectification mechanism air inlet opening shape be top half for large port by
Tapered portlet bore is until the latter half port bore is top half bore half, and air blowing type afterbody flowfield rectification mechanism goes out
Gas port opening shape is long arc shape；Air-flow reaches air blowing type by air blowing type afterbody flowfield rectification mechanism air inlet through breather line
Afterbody flowfield rectification mechanism gas outlet, the gap between engine afterbody and side strip sprays, to improve or solve gap location
Airless by and as air-flow dead band situation.
In the present invention, breather line is thin wall type breather line.
In the present invention, side strip bottom is provided with air inlet, and air blowing type afterbody flowfield rectification mechanism air inlet is riveted on side
On the air inlet of edge strip, air blowing type afterbody flowfield rectification mechanism gas outlet is riveted with side strip.
Beneficial effect：The present invention introduces air-flow by setting breather line from side strip bottom, and air-flow exists through breather line
Sprayed after aircraft between body engine afterbody and side strip, with change between engine afterbody and side strip airless by into
For the situation in air-flow dead band, aircraft afterbody flowfield is effectively improved, pressure fluctuation is reduced, aircraft is adversely affected so as to reduce.
Brief description of the drawings
Fig. 1 is -45 ° of rearviews of presently preferred embodiments of the present invention.
Fig. 2 is the side view of presently preferred embodiments of the present invention.
Fig. 3 is the rearview of presently preferred embodiments of the present invention.
Fig. 4 is the upward view of presently preferred embodiments of the present invention.
Embodiment
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, tie below
Conjunction is specifically illustrating, and the present invention is expanded on further.
Referring to a kind of Fig. 1~Fig. 4 air blowing type afterbody flowfield fairing, including a pair of air blowing type afterbody flowfield motor-generator sets
Structure 3, is symmetricly set on the both sides of engine afterbody 1, and air blowing type afterbody flowfield rectification mechanism 3 is thin wall type breather line, thin wall type
Breather line is hollow structure, and its front end is provided with air blowing type afterbody flowfield rectification mechanism air inlet 4, and rear end is provided with air blowing type
Afterbody flowfield rectification mechanism gas outlet 5；The opening shape of air blowing type afterbody flowfield rectification mechanism air inlet 4 considers the width of side strip 2
Degree and air inflow requirement, top half are that port bore is gradually reduced until the latter half port bore is top half in large port
Bore half, the opening shape of air blowing type afterbody flowfield rectification mechanism gas outlet 5 is according between engine afterbody 1 and side strip 2
Gap width and gas output requirement, are designed as long arc shape；Air-flow is by air blowing type afterbody flowfield rectification mechanism air inlet 4 through ventilation
Pipeline reaches air blowing type afterbody flowfield rectification mechanism gas outlet 5, and the gap between engine afterbody 1 and side strip 2 sprays, with
Improve or solve gap location airless by and as air-flow dead band situation.
In the present embodiment, the bottom of side strip 2 is provided with air inlet, and air blowing type afterbody flowfield rectification mechanism air inlet 4 is riveted
On the air inlet of side strip 2, air blowing type afterbody flowfield rectification mechanism gas outlet 5 be arranged on engine afterbody 1 and side strip 2 it
Between gap, and riveted with side strip 2, gap of the air-flow between engine afterbody 1 and side strip 2 is smoothly sprayed.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (4)
1. a kind of air blowing type afterbody flowfield fairing, it is characterised in that including being symmetricly set on blowing for engine two sides of tail
Gas formula afterbody flowfield rectification mechanism, air blowing type afterbody flowfield rectification mechanism is breather line, and breather line is hollow structure, before it
End is provided with air blowing type afterbody flowfield rectification mechanism air inlet, and rear end is provided with air blowing type afterbody flowfield rectification mechanism gas outlet；
Air blowing type afterbody flowfield rectification mechanism air inlet is arranged on side strip bottom, and air blowing type afterbody flowfield rectification mechanism gas outlet is set
Gap location between engine afterbody and side strip, and air blowing type afterbody flowfield rectification mechanism air inlet opening shape is upper half
Part is that port bore is gradually reduced until the latter half port bore is body after top half bore half, air blowing type in large port
Flow field rectification mechanism gas outlet opening shape is long arc shape；Air-flow is by air blowing type afterbody flowfield rectification mechanism air inlet through ventilation
Pipeline reaches air blowing type afterbody flowfield rectification mechanism gas outlet, and the gap between engine afterbody and side strip sprays, to change
It is kind or solve gap location airless by and as air-flow dead band situation.
2. a kind of air blowing type afterbody flowfield fairing according to claim 1, it is characterised in that breather line is thin-walled
Type breather line.
3. a kind of air blowing type afterbody flowfield fairing according to claim 1, it is characterised in that side strip bottom is provided with
Air inlet, air blowing type afterbody flowfield rectification mechanism air inlet is riveted on the air inlet of side strip.
4. a kind of air blowing type afterbody flowfield fairing according to claim 1, it is characterised in that air blowing type afterbody flowfield
Rectification mechanism gas outlet is riveted with side strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710373374.1A CN107187608A (en) | 2017-05-24 | 2017-05-24 | A kind of air blowing type afterbody flowfield fairing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710373374.1A CN107187608A (en) | 2017-05-24 | 2017-05-24 | A kind of air blowing type afterbody flowfield fairing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107187608A true CN107187608A (en) | 2017-09-22 |
Family
ID=59875522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710373374.1A Pending CN107187608A (en) | 2017-05-24 | 2017-05-24 | A kind of air blowing type afterbody flowfield fairing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107187608A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040094664A1 (en) * | 2002-10-22 | 2004-05-20 | Harrison Kenneth M. | Apparatuses and methods for attaching engine nacelles to aircraft |
| CN102249004A (en) * | 2011-05-23 | 2011-11-23 | 南京航空航天大学 | Aircraft using submerged intake |
| CN103097244A (en) * | 2010-09-20 | 2013-05-08 | 贝尔直升机泰克斯特龙公司 | Airfoil shaped tail boom |
| CN203780795U (en) * | 2014-04-18 | 2014-08-20 | 江西洪都航空工业集团有限责任公司 | Aft body blowing type rectifying device of airplane with double engines and single vertical fin |
-
2017
- 2017-05-24 CN CN201710373374.1A patent/CN107187608A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040094664A1 (en) * | 2002-10-22 | 2004-05-20 | Harrison Kenneth M. | Apparatuses and methods for attaching engine nacelles to aircraft |
| CN103097244A (en) * | 2010-09-20 | 2013-05-08 | 贝尔直升机泰克斯特龙公司 | Airfoil shaped tail boom |
| CN102249004A (en) * | 2011-05-23 | 2011-11-23 | 南京航空航天大学 | Aircraft using submerged intake |
| CN203780795U (en) * | 2014-04-18 | 2014-08-20 | 江西洪都航空工业集团有限责任公司 | Aft body blowing type rectifying device of airplane with double engines and single vertical fin |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8210482B2 (en) | Prismatic-shaped vortex generators | |
| CN104890858A (en) | Wing structure with active flow control mechanism | |
| CN107021207B (en) | Aircraft flow device for passive boundary layer suction | |
| CN106335642B (en) | A kind of noise suppression device for weapon bay based on environmental gas jet flow | |
| EP1818257A3 (en) | Integrated inward turning inlets and nozzles for hypersonic air vehicles | |
| CN103939216B (en) | Embedded type air inlet channel using combined opening surface vortex control method | |
| WO2013064768A3 (en) | Turbo engine attachment pylon | |
| CN104760703A (en) | Cooling mechanism for ramjet engine | |
| CN106014684A (en) | Combined flow control method and structure for improving SERN for TBCC | |
| CN102616369A (en) | Method and device for enforcing canard spanwise pulse blowing indirect vortex control technology | |
| CN104975984A (en) | Turbofan engine structurally integrated with aircraft | |
| CN109850128A (en) | Multistage air blowing circular rector high lift device and aircraft | |
| US20110240804A1 (en) | Integrated aircraft | |
| CN107187608A (en) | A kind of air blowing type afterbody flowfield fairing | |
| US9821863B2 (en) | Bluff body adaptive wake reduction system | |
| CN104859844A (en) | Flap zero mass flow/jet flow control system | |
| RU2005138065A (en) | AIRCRAFT CHAPTER WITH A LOW NOISE AND METHOD FOR REDUCING AIR FLOW VORTEX | |
| CN106240799A (en) | A kind of wing improving band sawtooth swept-back wing transonic speed horizontal flight quality | |
| US20160003091A1 (en) | Nacelle internal and external flow control | |
| CN203558213U (en) | Disassembling device for boundary layer of airplane air intake duct | |
| KR20010031517A (en) | Twin engine aircraft | |
| CN113619772B (en) | Jet-type second grade spout circulation control wing section in coordination | |
| EP2555975B1 (en) | Air extractor from a cockpit of a craft | |
| CN203780795U (en) | Aft body blowing type rectifying device of airplane with double engines and single vertical fin | |
| JP2008539118A (en) | Low noise aircraft during takeoff and landing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170922 |