CN108725463A - It is a kind of to reduce method and structure of the air to high-speed moving object resistance - Google Patents
It is a kind of to reduce method and structure of the air to high-speed moving object resistance Download PDFInfo
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- CN108725463A CN108725463A CN201710250794.0A CN201710250794A CN108725463A CN 108725463 A CN108725463 A CN 108725463A CN 201710250794 A CN201710250794 A CN 201710250794A CN 108725463 A CN108725463 A CN 108725463A
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- enclosure space
- moving object
- micropore
- gas
- air
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- 238000000034 method Methods 0.000 title claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 44
- 239000011148 porous material Substances 0.000 claims abstract description 10
- 230000004888 barrier function Effects 0.000 claims abstract description 8
- 230000000694 effects Effects 0.000 claims abstract description 8
- 230000009467 reduction Effects 0.000 claims abstract description 5
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 230000004913 activation Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 3
- 239000004047 hole gas Substances 0.000 claims 1
- 238000002347 injection Methods 0.000 abstract description 3
- 239000007924 injection Substances 0.000 abstract description 3
- 239000011257 shell material Substances 0.000 description 37
- 230000033001 locomotion Effects 0.000 description 17
- 239000010410 layer Substances 0.000 description 12
- 230000003137 locomotive effect Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 239000010935 stainless steel Substances 0.000 description 5
- 229910001220 stainless steel Inorganic materials 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005021 gait Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000012229 microporous material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 230000003519 ventilatory effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D17/00—Construction details of vehicle bodies
- B61D17/02—Construction details of vehicle bodies reducing air resistance by modifying contour ; Constructional features for fast vehicles sustaining sudden variations of atmospheric pressure, e.g. when crossing in tunnels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C21/00—Influencing air flow over aircraft surfaces by affecting boundary layer flow
- B64C21/02—Influencing air flow over aircraft surfaces by affecting boundary layer flow by use of slot, ducts, porous areas or the like
- B64C21/04—Influencing air flow over aircraft surfaces by affecting boundary layer flow by use of slot, ducts, porous areas or the like for blowing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/22—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
- B64G1/52—Protection, safety or emergency devices; Survival aids
- B64G1/58—Thermal protection, e.g. heat shields
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B15/00—Self-propelled projectiles or missiles, e.g. rockets; Guided missiles
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Health & Medical Sciences (AREA)
- Critical Care (AREA)
- Emergency Medicine (AREA)
- General Health & Medical Sciences (AREA)
- Remote Sensing (AREA)
- Laminated Bodies (AREA)
- Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
Abstract
The invention discloses a kind of reduction air to the method for high-speed moving object resistance, first, the shell of moving object is prepared using more micropore gas permeable materials, the one side of more micropore gas permeable materials is set to constitute the external surface of objects for being formed resistance by air effect, another side forms the inner face of object, and constitutes enclosure space；When objects at high speed moves, the injection pressure gas into enclosure space, the pressure of gas in enclosure space is set to be more than the pressure of ambient atmos, pressed gas in enclosure space penetrates through the outer surface that more micropore gap materials reach more micropore gap materials by the interconnected pore of more micropore gap materials, form a gas blanket with speed identical as moving object, barrier outside air acts directly on more micropore gas permeable materials outer surface, to reduce or eliminate resistance of the outside air to high-speed moving object.
Description
Technical field
The present invention relates to the technical fields for reducing air drag, refer in particular to a kind of reductions air to high-speed moving object resistance
The method and structure of power.
Background technology
Automobile, high ferro, aircraft, guided missile etc. can be by the large drag forces of air in high-speed motion, it is necessary to overcome this resistance
Power can just travel forward.In order to reduce resistance of the air to high-speed moving object, according to aerodynamic principle, by automobile, height
The head design of iron, aircraft, guided missile etc. is hindered caused by can not completely eliminating air in this way at streamlined or bullet-shaped
Power.Resistance caused by order to completely eliminate air, tesla founder, Space X companies executive president angstrom Long Masike
(Elon Musk) proposes the super high ferro scheme (http of Hyperloop：//news.carnoc.com/list/316/
316488.html), the technical principle of super high ferro is train nacelle to be placed in one section almost among the pipeline of vacuum, and pass through
Magnet accelerates to provide power.Because close to vacuum in pipeline, thus air drag --- the maximum that bullet train accelerates hinders
Hinder --- it will not exist, and then the super high ferro train of thrust provided theoretically by air compressor offer lift, magnet
It can be close to velocity of sound (1200+km/h).But there is also a series of technical barriers for super high ferro, and one side vacuum pipe must be very
Directly, do not allow any error occur.It is even extremely difficult, train close to the state of vacuum that so long pipeline, which will maintain low pressure,
The air compressor of leading portion can not go out a little problem, and otherwise passenger compartment will bump against on tube wall.Whole system is very fragile,
Even a point failure, is likely to cause disaster.Someone may perforate a hole on tube wall or earthquake causes pipeline slightly to move
Position, this may all cause passenger compartment to collapse.
Invention content
It is an object of the invention to overcome the deficiencies in the prior art and defect, a kind of reduction air is provided to high-speed motion object
The method of body resistance, securely and reliably, quantities is smaller, and manufacture is easy, and overall cost is low.
To achieve the above object, technical solution provided by the present invention is：A kind of reduction air hinders high-speed moving object
The method of power is prepared the shell of moving object using more micropore gas permeable materials, makes the one side of more micropore gas permeable materials first
The external surface of objects that resistance is formed by air effect is constituted, another side forms the inner face of object, and constitutes enclosure space；Object is high
When speed movement, air source injection pressure gas into enclosure space makes the pressure of gas in enclosure space be more than the pressure of ambient atmos
By force, the pressed gas in enclosure space penetrates through more micropore gap materials by the interconnected pore of more micropore gap materials and reaches mostly micro-
The outer surface of porous material, forms a gas blanket with speed identical as moving object, and barrier outside air directly acts on
On more micropore gas permeable materials outer surface, to reduce or eliminate resistance of the outside air to high-speed moving object.
More micropore gas permeable materials are the plate with interconnected pore, and air can be from more micropore material inner surfaces
It penetrates through more micropore gap materials and reaches the outer surface of more micropore gap materials, while the structure shape of moving object shell can be kept
Shape and meet Structural strength calls.
The shell of the moving object is single hull structure, is manufactured using with the ventilative plate for being connected to more micropores.
The shell of the moving object is double-layer shell structure, and outer layer is used with the ventilative plate system for being connected to more micropores
It makes, internal layer is manufactured using dense non-porous gap metal structure plate, is enclosure space between internal layer and outer layer, gas is connected by pipeline
Source and enclosure space, pressed gas can input enclosure space by pipeline.
The pore-size stepped change of more micropore gas permeable materials is distributed, and inner surface pore-size is larger, outer surface
Pore-size is smaller.
The pressed gas in the enclosure space is set to generate ultrasonic activation.
The moving object in air is train, bullet train, automobile, aircraft, shell, guided missile.
A kind of to reduce structure of the air to high-speed moving object resistance, more micropore gas permeable materials prepare the outer of moving object
Shell, the one side of more micropore gas permeable materials constitute the external surface of objects that resistance is formed by air effect, and another side forms object
Inner face, and enclosure space is constituted, air source and enclosure space are connected by pipeline, the sensor of information acquisition system is placed in closing sky
In, acquire the pressure information of enclosure space, and by pressure information conveyance to control system, the valve in control system control pipeline
The pressure of door, the break-make of control pipeline and the flow of gas and enclosure space.
Compared with prior art, the present invention having the following advantages that and advantageous effect：
1, the resistance that air is subject to transport vehicle can be reduced or eliminated, to improve gait of march, reduce road
The time loss on way improves working efficiency；
2, outside air will not act directly on the vehicles of high-speed motion, and vehicles operation can more stablize,
Security reliability is improved；
3, the energy consumption that air drag causes means of transport can be reduced, it is energy saving, reduce transportation cost；
4, the flying speed of guided missile greatly improves, and shortens the flight time, reduces the possibility intercepted by anti-missile system；
5, the speed when bomb that aircraft is thrown from high-altitude lands can greatly improve, and what is had lands kinetic energy also substantially
It improves, is conducive to improve the depth that bomb pierces underground；
6, the bomb forward position that aircraft is thrown from high-altitude forms a gas blanket with speed identical as moving object, works as bullet
When head and the concrete, reinforcing bar, rock on ground collide, gas blanket has protective effect to bomb head, this is conducive to improve fried
Bullet pierces the depth of underground；
7, simple in structure, easy to manufacture and control, the cost for manufacturing and using is all very low；
8, the method for the present invention can be applied to the vehicles, guided missile, the big guns such as track vehicle, aircraft, land route automobile
Bullet, application surface is extensive, can generate huge economic benefit.
Description of the drawings
Fig. 1 is 1 moving object shell mechanism schematic diagram of embodiment.
Fig. 2 is 4 moving object shell mechanism schematic diagram of embodiment.
Fig. 3 is 8 moving object shell mechanism schematic diagram of embodiment.
Specific implementation mode
With reference to multiple specific embodiments, the invention will be further described.
Embodiment 1
Technical solution provided by the present invention is：A method of reducing air to high-speed moving object resistance, first, adopts
With the shell of more micropore material preparation moving objects, so that the one side of more micropore gap materials is constituted and resistance is formed by air effect
External surface of objects, another side form the inner face of object, and constitute enclosure space；When objects at high speed moves, air source is to enclosure space
Interior injection pressure gas makes the pressure of gas in enclosure space be more than the pressure of ambient atmos, the pressed gas in enclosure space
The outer surface that more micropore gap materials reach more micropore gap materials is penetrated through by the interconnected pore of more micropore gap materials, forms one
A gas blanket with speed identical as moving object, barrier outside air act directly in more micropore outer surfaces,
To reduce or eliminate resistance of the outside air to high-speed moving object.
And in the present embodiment, Fig. 1 is the present embodiment moving object missile shell schematic diagram, and the shell of guided missile is single layer shell
Body structure manufactures road bullet outer housing 1 using ventilative stainless steel plate.The pore-size of more micropores of ventilative stainless steel plate is less than 5
Micron.The one side of the ventilative stainless steel plate in more micropores constitutes the external surface of objects that resistance is formed by air effect, and another side is formed
The inner face of road bullet outer housing, and constitute enclosure space 2 has liquefied gas bottle (for air source, not drawn in figure) in enclosure space 2
Equipped with liquefied gas, the valve of liquefied gas bottle is opened before launching a guided missile by control system, liquefied gas is discharged into enclosure space 2
In, so that the gas pressure of enclosure space 2 is reached 3 atmospheric pressure, and maintain the gas pressure of enclosure space 2 to protect by control system
Hold 3 atmospheric pressure.Ventilative stainless steel thickness is 3 millimeters, can keep the planform of missile shell and meet structural strength wanting
It asks.Ventilatory control system controls ventilation flow rate, duration of ventilation and pressure etc..Since the gas pressure in enclosure space 2 is more than outer
The atmospheric pressure on boundary, the gas in enclosure space 2 can reach from the micropore of more micropore stainless steel plates through missile shell material
The outer surface of more micropore missile shells.After MISSILE LAUNCHING is gone out, the gas in enclosure space 2 has movement identical with guided missile
Speed equally has movement velocity identical with guided missile, in the outer surface of missile shell when being penetrated into the outer surface of missile shell
A gas blanket with speed identical as moving object guided missile is formed, barrier outside air acts directly on missile shell appearance
On face, to reduce or eliminate resistance of the outside air to high-speed motion guided missile, to which guided missile can reach higher flight speed
Degree shortens the flight time, reduces the possibility intercepted by anti-missile system.
Embodiment 2
As different from Example 1 the metal material of the present embodiment manufacture missile case be aluminium alloy or titanium alloy and other
Metal.
Embodiment 3
The present embodiment moving object is the bomb that aircraft is earthward thrown as different from Example 1.
Embodiment 4
The present embodiment Fig. 2 is the present embodiment moving object missile shell schematic diagram as different from Example 1, guided missile it is outer
Shell is double-layer shell structure, manufactures road bullet internal layer shell 1 using common dense non-porous gap metallic plate, is manufactured using Vented metal plate
Road bullet outer housing 3,7 is the supporting block between internal layer and outer layer, and the space between internal layer shell 1 and outer casing 3 is that closing is empty
Between 2,4 be gas compressor (for air source), 5 be pipeline, and 6 be the break-make of pipeline valve control pipeline 5, space 8 and the envelope on head
It is connection to close space 2.The sensor (not drawn in figure) of information acquisition system is placed in enclosure space, acquires enclosure space
Pressure information, and by pressure information conveyance to control system, the valve in control system control pipeline, the break-make of control pipeline
And the flow of gas and the pressure of enclosure space.Compressed air is transported to enclosure space 2 and 8 by gas compressor 4 through pipeline 5,
Since the pressure of compressed gas is more than external atmosphere pressure, compressed gas can be from the micropore of more micropore metallic plates through outside guided missile
Shell material reaches the outer surface of more micropore missile shells.After MISSILE LAUNCHING is gone out, the gas in enclosure space 8 has and guided missile
Identical movement velocity equally has movement velocity identical with guided missile, outside guided missile when being penetrated into the outer surface of missile shell
The outer surface of shell forms a gas blanket with speed identical as moving object guided missile, and barrier outside air, which acts directly on, leads
On the outer surface for playing shell, to reduce or eliminate resistance of the outside air to high-speed motion guided missile, to which guided missile can reach
Higher flying speed.
Embodiment 5
The present embodiment high-speed moving object is aircraft as different from Example 4, and the nose cone of aircraft uses Vented metal plate
Manufacture.
Embodiment 6
The hole full-size of more micropore gap materials described in the present embodiment is 100 microns as different from Example 1.
Embodiment 7
The hole of more micropore gap materials described in the present embodiment is ladder pore size distribution as different from Example 1, interior
Face pore-size is larger, is 100 microns；Outside pore-size is smaller, is 3 microns.
Embodiment 8
Fig. 3 is the tractor head shell schematic diagram of the present embodiment moving object bullet train as different from Example 1,
1 is compartment, and 2 be wheel, and 3 be using the tractor head shell of Vented metal plate manufacture, and 4 be direction of motion arrow, and 6 are
The tractor head internal layer shell manufactured using common dense non-porous gap metallic plate, the sky between internal layer shell 6 and outer casing 3
Between be enclosure space 5.Gas compressor (for air source, not drawn in figure) is defeated through pipeline (not drawn in figure) by compressed air
It is sent to enclosure space 5, since the pressure of compressed gas is more than external atmosphere pressure, compressed gas can be from more micropore metallic plates 3
Micropore reaches the outer surface of more micropore Shell Plates through truck head shell material.When locomotive high-speed motion, in enclosure space 5
Gas has movement velocity identical with locomotive, equally has movement identical with locomotive when being penetrated into the outer surface of locomotive shell
Speed forms a gas blanket with speed identical as moving object locomotive in the outer surface of locomotive head shell, and barrier is outer
Boundary's air acts directly on the outer surface of locomotive shell, to reduce or eliminate outside air to high-speed motion locomotive head
Resistance, to which locomotive can reach higher movement velocity.
Embodiment 9
Moving object described in the present embodiment is automobile as different from Example 8.
Embodiment 10
The present embodiment makes the gas in enclosure space generate ultrasonic activation as different from Example 1, improves gas and exists
Transmission rates in more micropore gap materials.
Embodiment 11
The air source of the present embodiment is gas generator or built-in pressure vessel as different from Example 4.
In conclusion the principle of the method for the present invention is：Such as air-bearing, after gas penetrates more micropore gap materials, mostly micro-
Porous material surface forms a gas blanket, this gas blanket can bear certain external force, when more micropore gap materials are with high speed
When movement, the gas infiltrated from more micropore gap materials has speed same as more micropore gap materials, if moving object
The speed of body is 100 meter per seconds, then the gas velocity infiltrated from more micropore gap materials is also 100 meter per seconds, from mostly micro-
The gas oozed out in porous material can arrange extraneous air, and outside air is prevented to be applied directly in moving object, to
The air drag that moving object is subject to is reduced or eliminated, such moving object can reach higher speed.
Embodiment described above is only present pre-ferred embodiments, and but not intended to limit the scope of the present invention, therefore
Change made by all shapes according to the present invention, principle, should all cover within the scope of the present invention.
Claims (8)
1. a kind of reducing method of the air to high-speed moving object resistance, it is characterised in that：First, using the ventilative material in more micropores
Material prepares the shell of moving object, and the one side of more micropore gas permeable materials is made to constitute the object appearance for being formed resistance by air effect
Face, another side form the inner face of object, and constitute enclosure space；When objects at high speed moves, air source injects pressure into enclosure space
Strength body, makes the pressure of gas in enclosure space be more than the pressure of ambient atmos, and the pressed gas in enclosure space passes through mostly micro-
The interconnected pore of porous material penetrates through the outer surface that more micropore gap materials reach more micropore gap materials, formed one have with
The gas blanket of the identical speed of moving object, barrier outside air act directly on more micropore gas permeable materials outer surface, to
Reduce or eliminate resistance of the outside air to high-speed moving object.
2. more micropore gas permeable materials according to claim 1 are the plate with interconnected pore, it is characterised in that：Air
The outer surface that more micropore gap materials reach more micropore gap materials can be penetrated through from more micropore material inner surfaces, while can be with
It keeps the planform of moving object shell and meets Structural strength calls.
3. the shell of moving object according to claim 1, it is characterised in that：For single hull structure, using with even
Lead to the ventilative plate manufacture of more micropores.
4. the shell of moving object according to claim 1, it is characterised in that：For double-layer shell structure, outer layer is using tool
Have a ventilative plate manufacture for being connected to more micropores, internal layer using the manufacture of dense non-porous gap metal structure plate, internal layer and outer layer it
Between be enclosure space, enclosure space can be inputted by pipeline by connecting air source and enclosure space, pressed gas by pipeline.
5. the pore-size stepped change of more micropore gas permeable materials according to claim 1 is distributed, inner surface hole ruler
Very little larger, outer surface pore-size is smaller.
6. making the pressed gas in the enclosure space generate ultrasonic activation according to claim 1.
7. moving object in air according to claim 1 is train, bullet train, automobile, aircraft, shell, guided missile.
8. a kind of reduction air according to claim 1 is to the structure of high-speed moving object resistance, it is characterised in that：It is mostly micro-
Hole gas permeable material prepares the shell of moving object, and the one side of more micropore gas permeable materials is constituted forms resistance by air effect
External surface of objects, another side form the inner face of object, and constitute enclosure space, and air source and enclosure space, letter are connected by pipeline
The sensor of breath acquisition system is placed in enclosure space, acquires the pressure information of enclosure space, and by pressure information conveyance to control
The pressure of system processed, the valve in control system control pipeline, the break-make of control pipeline and the flow of gas and enclosure space.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710250794.0A CN108725463A (en) | 2017-04-13 | 2017-04-13 | It is a kind of to reduce method and structure of the air to high-speed moving object resistance |
| PCT/CN2018/082332 WO2018188555A1 (en) | 2017-04-13 | 2018-04-09 | Method and structure for reducing air resistance to high speed moving object |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710250794.0A CN108725463A (en) | 2017-04-13 | 2017-04-13 | It is a kind of to reduce method and structure of the air to high-speed moving object resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108725463A true CN108725463A (en) | 2018-11-02 |
Family
ID=63792259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710250794.0A Pending CN108725463A (en) | 2017-04-13 | 2017-04-13 | It is a kind of to reduce method and structure of the air to high-speed moving object resistance |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108725463A (en) |
| WO (1) | WO2018188555A1 (en) |
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|---|---|---|---|---|
| CN2652812Y (en) * | 2003-10-17 | 2004-11-03 | 武汉理工大学 | Resistance reducing micro bubble generator |
| CN103183126A (en) * | 2011-12-31 | 2013-07-03 | 张瑞麟 | Anti-drag device of aircraft |
| CN104554713A (en) * | 2014-08-01 | 2015-04-29 | 郭宏斌 | Resistance reducing coat capable of greatly reducing resistance |
| CN204323343U (en) * | 2014-12-29 | 2015-05-13 | 武汉理工大学 | A kind of device utilizing air foam to reduce Aerodynamic Drag of High Speed Train |
| CN104608942A (en) * | 2015-02-13 | 2015-05-13 | 中国科学院宁波材料技术与工程研究所 | Ultra-high speed aircraft thermal protection and drag reduction method and system |
| CN105313910A (en) * | 2014-08-01 | 2016-02-10 | 郭宏斌 | A high speed train provided with a resistance reducing device |
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|---|---|---|---|---|
| US9004399B2 (en) * | 2007-11-13 | 2015-04-14 | United Technologies Corporation | Nacelle flow assembly |
| CN101423116A (en) * | 2008-11-12 | 2009-05-06 | 北京航空航天大学 | High incidence dissymmetry eddy single-hole site micro-blowing disturbance active control method and device |
| CN104149970B (en) * | 2014-08-26 | 2016-08-24 | 厦门大学 | Hypersonic aircraft drag reduction method based on porous media |
| CN106184743A (en) * | 2016-09-23 | 2016-12-07 | 中国人民解放军国防科学技术大学 | A kind of hypersonic aircraft fall by the use of thermal means controlled based on shock wave |
-
2017
- 2017-04-13 CN CN201710250794.0A patent/CN108725463A/en active Pending
-
2018
- 2018-04-09 WO PCT/CN2018/082332 patent/WO2018188555A1/en active Application Filing
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2652812Y (en) * | 2003-10-17 | 2004-11-03 | 武汉理工大学 | Resistance reducing micro bubble generator |
| CN103183126A (en) * | 2011-12-31 | 2013-07-03 | 张瑞麟 | Anti-drag device of aircraft |
| CN104554713A (en) * | 2014-08-01 | 2015-04-29 | 郭宏斌 | Resistance reducing coat capable of greatly reducing resistance |
| CN105313910A (en) * | 2014-08-01 | 2016-02-10 | 郭宏斌 | A high speed train provided with a resistance reducing device |
| CN105314063A (en) * | 2014-08-01 | 2016-02-10 | 郭宏斌 | A resistance-reducing technology mainly based on gas cushion resistance reduction |
| CN204323343U (en) * | 2014-12-29 | 2015-05-13 | 武汉理工大学 | A kind of device utilizing air foam to reduce Aerodynamic Drag of High Speed Train |
| CN104608942A (en) * | 2015-02-13 | 2015-05-13 | 中国科学院宁波材料技术与工程研究所 | Ultra-high speed aircraft thermal protection and drag reduction method and system |
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| Publication number | Publication date |
|---|---|
| WO2018188555A1 (en) | 2018-10-18 |
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