CN1182005C - Effectively power-boosting ground effect aircraft - Google Patents
Effectively power-boosting ground effect aircraft Download PDFInfo
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- CN1182005C CN1182005C CNB021151911A CN02115191A CN1182005C CN 1182005 C CN1182005 C CN 1182005C CN B021151911 A CNB021151911 A CN B021151911A CN 02115191 A CN02115191 A CN 02115191A CN 1182005 C CN1182005 C CN 1182005C
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Abstract
The present invention relates to an effective power-boosting ground effect aircraft comprising a body and wings, wherein an adjustable boosting air cavity is arranged under the body and the wings, the front edge of each wing is provided with an engine, a ducted propeller is arranged in front of each engine, and the rear part of the ducted propeller is provided with a flow guide sheet which can guide the air flow generated from the rotation of the ducted propeller in the boosting air cavity. Due to the reasonable configuration between the boosting air cavity arranged under the wings and a power propelling system comprising engines and the ducted propellers with the flow guide sheets, the high-speed air flow generated from the high-speed rotation of the ducted propellers are guided in the boosting air cavity through the flow guide sheets, and the kinetic energy of the air flow is converted into the pressure energy so as to generate a large lifting force. In addition, a T-shaped tail fin which is high arranged on the tail of the body and a lifting rudder arranged on the horizontal tail of the tail fin ensures the longitudinal balance of the aircraft so that the aircraft can fly stably near the water surface in the air.
Description
Technical field
The present invention relates to a kind of aircraft, particularly a kind of effectively power-boosting ground effect aircraft that in ground effect region, flies with effectively power-boosting.
Background technology
Effectively power-boosting ground effect aircraft (abbreviation WIG, also claim ground effect ship), it is a kind of high speed means of transport, original technology of effectively power-boosting ground effect aircraft relates to boats and ships and aviation two big fields, compare with effectively power-boosting ground effect aircraft, the common aircraft that is used for aviation field is compared with effectively power-boosting ground effect aircraft with the boats and ships that are used for the navigation field and is had following shortcoming.
One, common aircraft
1, manufacturing cost and use cost height comprises that development, use, maintenance, management etc. all need a large amount of expenses.
2, need to build the airport, ground that area is very big, facility is complete, personnel prepare rationally, cost is high.
3, in a single day safety issue engine off occurs in the high-altitude flight process or other fault can cause catastrophic failure.
4, hedgehopping ability, though wherein hydroairplane can planking, take off, land, it can not be in the nearly long-time stabilized flight of the water surface, only can be in high-altitude flight, so there is safety problem equally.
5, be difficult to maximize, mainly be subjected to the restriction of aspects such as engine installation, development price.
Two, boats and ships
1, route speed is slow, and incompatibility modern social development is high-speed, the market demands of high rhythm.
When 2, navigating by water in stormy waves, the traveling comfort of taking is poor.
3, draft is big, needs to build complicated and huge harbour.
Chinese patent application number be 99122366.7 and Chinese patent 98119037.5 in disclosed " the invention in two kinds of these fields of the effectively power-boosting ground effect aircraft of also able to fly and large-scale binary aerofoil boat (imitate transport plane); the former focuses on the outer flight of ground effect region and designs; be provided with two flying wings at body upper, head upper or fuselage outer side, make ground effect vehicle also can rise up into high-altitude and safe flight as aircraft.The latter is that to change monomer on the basis of large-scale transportation aerofoil boat be the double-body hydrofoil structure, and makes the end plate front end horizontal by certain angle, sets up three wing flaps in ship wing rear end, increases the air effect of the ship wing with this.
Summary of the invention
The object of the present invention is to provide a kind of principle of can be more fully imitating with utilizing, by pneumatic configuration reasonable in design, can make the effectively power-boosting ground effect aircraft that flight lift increases, resistance reduces, effectively power-boosting ground effect aircraft on this basis also has can be in the characteristics of the aerial stabilized flight of adjoined water surface.
A kind of power-boosting ground effect aircraft, comprise fuselage, wing, wherein, fuselage and wing below are provided with adjustable boosting air cavity, the leading edge of a wing is provided with driving engine, driving engine the place ahead is provided with shrouded propeller, can drive the turning cylinder of shrouded propeller rotation when being provided with when engine operation between driving engine and the shrouded propeller, and this shrouded propeller rear portion is provided with the flow deflector in the air-flow importing boosting air cavity that the shrouded propeller rotation can be produced.
For guaranteeing the aerial stabilized flight at adjoined water surface, the further technical scheme of the present invention is: above-mentioned afterbody is provided with the T type tail that height is put, and this T type tail comprises horizontal tail and vertical fin, and it is long that the wing exhibition is longer than in described horizontal tail exhibition.Be provided with the elevating rudder that is used to control vertical flight attitude realization balance in pitch about edge, above-mentioned horizontal tail rear end, rudder face is provided with tab.
The present invention is owing to reasonable configuration between the power propulsion system of the shrouded propeller composition that adopts square under the wings of an airplane design-calculated boosting air cavity and driving engine and band flow deflector, the high velocity air that the shrouded propeller high speed revolution is produced imports boosting air cavity by flow deflector, and the kinetic energy of air-flow is converted into the pressure energy, to produce bigger air-cushion force, in addition, at T type tail that the afterbody height is put and be located at the elevating rudder that has tab on the empennage horizontal tail, both guaranteed reasonably to mate between angle of attack focus and the height focus, the trim of elevating rudder stick force when having guaranteed long-time flight again, realized balance in longitudinal plane and motor-driven, guaranteed that aircraft can be in the aerial stable flight of adjoined water surface.
Describe structure of the present invention and principle of work in detail below in conjunction with accompanying drawing:
Description of drawings
Fig. 1 is integral layout figure of the present invention;
Fig. 2 is a front view of the present invention;
Fig. 3 is a left view of the present invention;
Fig. 4 is the scheme drawing that air-flow of the present invention imports boosting air cavity;
Fig. 5 is a fuselage hydrodynamic(al) schematic layout pattern of the present invention;
Fig. 6 is an end plate hydrodynamic(al) schematic layout pattern of the present invention.
The specific embodiment
As Fig. 1 Fig. 2 shown in Figure 4 the present invention includes fuselage 1, wing 2, it is characterized in that fuselage 1 and wing 2 belows are provided with boosting air cavity 3, the leading edge of a wing is provided with driving engine 4, driving engine 4 the place aheads are provided with the shrouded propeller 6 of band flow deflector 5, can drive the turning cylinder 14 of shrouded propeller 6 rotations when being provided with when driving engine 4 work between driving engine 4 and the shrouded propeller 6, this shrouded propeller rear portion is provided with the flow deflector 5 in the air-flow importing boosting air cavity 3 that shrouded propeller 6 rotations can be produced.Air-flow is blocked in the chamber, kinetic energy changes the pressure energy into, and the additonal pressure that acts on wing 2 lower surfaces produces the additional lift that hovers, and the lift that hovers can lift aircraft, reduce the area that aircraft contacts with water, thereby reduced the aircraft resistance of taxing.Above-mentioned boosting air cavity 3 is the cavity of being made up of the end plate 7 at fuselage 1 bottom, wing 2 belows, wing 2 two ends and wing 2 trailing edge flaps 8, and wherein wing flap 8 is provided with the actuating device that it is deflected down along wing 2 trailing edges.Along shrouded propeller 6 duct trailing edge horizontally sets, 5 of each flow deflectors are provided with and can make it do to coordinate the mechanism of deflection above-mentioned flow deflector 5 by some movable wings that are unequal length.Above-mentioned flow deflector 5 is provided with the actuating device around shrouded propeller 6 duct trailing edge deflections.Above-mentioned actuating device is can be to wing flap 8 and the flow deflector 5 synchronous hydraulic control systems of handling, and above-mentioned wing flap 8 and flow deflector 5 are respectively equipped with the operating bar of being handled by hydraulic control system.Described hydraulic control system is made up of electric hydraulic pump, solenoid directional control valve, reducing valve, hydraulic actuating cylinder, described hydraulic ram is arranged at wing 2 trailing edges and shrouded propeller 6 sides respectively, described operating bar one end links to each other with piston in the hydraulic actuating cylinder, and the other end joins with wing flap 8 and flow deflector 5 respectively.Described flow deflector 5 hydraulic control systems and the same hydraulic power source of wing flap 8 hydraulic control systems make flow deflector 5 and wing flap 8 can carry out synchronous manipulation.Flight test confirms that wing flap 8 deflections 5 degree, flow deflector 5 deflections 20 degree are packed up in dried up back 15 seconds simultaneously when taking off, and can make effectively power-boosting ground effect aircraft successfully dried up and carry out the transition to cruising condition, and whole process operation is easy, flight attitude stable.Above-mentioned wing flap 8 is a rectangle, its pivot angle be 0～30 ° adjustable.Be provided with transmission shaft 14 between above-mentioned driving engine and the shrouded propeller, transmission shaft 14 two ends be provided with for driving engine and shrouded propeller 6 between the elastic coupling that connects.
Above-mentioned wing 2 is the single-blade low aspect ratio wing, and its aspect ratio is between 0.5～2, and preferred value is 1.6, and the aerofoil of wing 2 can be straight rectangular wing, also can be the straight tapered wing that is little trapezoidal ratio of aerofoil.That such aspect and geometric parameter have is simple in structure, the effect of imitating strong, mate rational characteristics.Above-mentioned T type tail 9 comprises horizontal tail 10 and vertical fin 11, and the wash that be to reduce 2 pairs of empennages of wing disturbs, described horizontal tail 9 adopt height put and area bigger, the setting of wing 2 is longer than in its exhibition.Be provided with a pair of elevating rudder 12 that is used to control vertical flight attitude and realizes balance in pitch about edge, above-mentioned horizontal tail 9 rear ends, rudder face is provided with tab 13.Above-mentioned elevating rudder 12 mainly provide the fore-and-aft control moment, guarantees effectively power-boosting ground effect aircraft longitudinal moment balance, realizes effectively power-boosting ground effect aircraft motor-driven in longitudinal plane.Different with general aircraft, when effectively power-boosting ground effect aircraft flies in ground effect region, two focuses are arranged, be angle of attack focus and height focus, press effectively power-boosting ground effect aircraft longitudinal movement judgement of stability, when having only the center-of-gravity position reasonable disposition when angle of attack focus, height focus and ground effect vehicle, the longitudinal movement of effectively power-boosting ground effect aircraft is only stable.And the reasonable disposition of the high T type tail of putting 9 of employing and other parts can have good stable in the speed range of regulation, guarantees the rational Match of angle of attack focus and height focus.
Serve as reasons the bottom to both ends water skiing body structure obliquely as 1 liang of side lower part of Fig. 3 above-mentioned fuselage shown in Figure 5, and described fuselage 1 bottom is multibreak rank layouts.Described multibreak rank layout comprises the main faulted-stage of fuselage 1 leading portion and is located at main faulted-stage inferior faulted-stage and stern faulted-stage afterwards that main faulted-stage is multibreak stage structure with time faulted-stage and stern faulted-stage.Described fuselage 1 is the hull structure of aspect ratio, ratio L/B＞7 of its length L and width B.Described wing 2 two ends are provided with end plate 7, and these end plate 7 bottoms are provided with multibreak stage structure.Faulted-stage quantity, shape, the position of the multibreak rank layout that fuselage 1 and end plate 7 are adopted and highly the water handling characteristic influence to effectively power-boosting ground effect aircraft is very big, rational multibreak rank layout has following advantage: a, has increased the planing surface aspect ratio, improved and slided efficient, reduced the generation of " dolphin motion "; B, wetted area obtain reducing, thereby have reduced frictional resistance; C, faulted-stage produce bubble effect, have reduced hydrodynamicresistance; D, because the support of many planing surfaces, make effectively power-boosting ground effect aircraft sliding, having good attitude angle in the take-off process, can pass through first and second drag humps smoothly, and dried up smoothly taking off; E, assurance effectively power-boosting ground effect aircraft have bigger residue pulling force in whole transition flight process.
Above-mentioned fuselage sliding body 17 bottoms 1 and end plate 7 bottom transverse cross sections are the two arcs of symmetrical indent, and arc bottom to arc item end forms horizontal ramping angle α.The rational bottom transverse ramping angle in fuselage 1 and end plate 7 bottoms, planing surface produces suitable righting moment about making when effectively power-boosting ground effect aircraft is in sliding state, guarantees that effectively power-boosting ground effect aircraft has good horizontal planing stability; And laterally the bottom of oblique ascension changes the cross bending of two arcs into by straight line, has reduced the formation of horizontal splash effectively, helps keeping the bottom kinetic pressure, thereby than straight line oblique ascension type the higher efficient that slides is arranged; When the effectively power-boosting ground effect aircraft landing water surface, wave can arrive the several times of own wt greatly to the impulsive force of effectively power-boosting ground effect aircraft.Laterally ramping angle and cross bending are the factors that impact power has the greatest impact, by to the choose reasonable of horizontal ramping angle and cross bending with cooperate, make wave impact force and dynaflow obtain optimization.For other Combination property that makes hydrodynamic(al) performance and aircraft is organically integrated, above-mentioned wing 2 is single-blade low aspect ratio, a nothing anti-rectangular wing down.In order to keep berthing or lateral stability during lowsteaming and overcome the resistance of water, wing 2 two ends are provided with the end plate 7 that is multibreak stage structure, set end plate 7 is improved effective aspect ratio of wing 2, compare with the aircraft of no end plate, lift in ground effect region can increase by 50%, greatly reduce energy consumption, improved flight efficiency.
Transition flight operating process of the present invention is to realize like this, when driving engine 4 is driven, the high velocity air that produced of shrouded propeller 6 high speed revolutions imports by wing 2 by flow deflector 5 deflections as shown in Figure 4, following inclined to one side wing flap 8, the boosting air cavity interior 3 that end plate 7 and fuselage 1 are formed, thereby the kinetic energy of high velocity air is converted into the pressure energy, to produce bigger air-cushion force with dried up of aircraft hull overwhelming majority pad, aircraft is under the effect of driving engine pulling force, gentle acceleration, it is dried up to take off, it is further operated is by hydraulic control system wing flap 8 and flow deflector 5 to be done synchronous manipulation, for example, simultaneously with wing flap 8 deflections 5 degree, flow deflector 5 deflections 20 degree are packed up in dried up back 15 seconds simultaneously when taking off, just can make aircraft successfully carry out the transition to average flight state from takeoff condition, whole process operation is easy, reliably.
Claims (10)
1, power-boosting ground effect aircraft, comprise fuselage (1), wing (2), it is characterized in that fuselage (1) and wing (2) below is provided with boosting air cavity (3), the leading edge of a wing is provided with driving engine (4), driving engine (4) the place ahead is provided with the shrouded propeller (6) of band flow deflector (5), be provided with the turning cylinder (14) that can drive shrouded propeller (6) rotation when driving engine (4) is worked between driving engine (4) and the shrouded propeller (6), this shrouded propeller rear portion is provided with the air-flow that shrouded propeller (6) rotation can be produced and imports the interior flow deflector (5) of boosting air cavity (3).
2, power-boosting ground effect aircraft according to claim 1, it is characterized in that above-mentioned boosting air cavity (4) is that wherein wing flap (8) is provided with and can makes its actuating device around wing (2) trailing edge deflection by fuselage (1) bottom, wing (2) below, the end plate (7) at wing (2) two ends and the cavity that wing (2) trailing edge flap (8) is formed.
3, power-boosting ground effect aircraft according to claim 1 and 2, it is characterized in that above-mentioned flow deflector (5) by some movable wings of unequal length that are along shrouded propeller (6) duct trailing edge horizontally set, be provided with the mechanism that can make its work coordinate deflection between each flow deflector (5), above-mentioned flow deflector (5) is provided with the actuating device around the deflection of shrouded propeller (6) duct trailing edge.
4, power-boosting ground effect aircraft according to claim 2, it is characterized in that above-mentioned actuating device is can be to wing flap and the synchronous hydraulic control system of handling of flow deflector, above-mentioned wing flap (8) and flow deflector (5) are respectively equipped with the operating bar of being handled by hydraulic control system.
5, power-boosting ground effect aircraft according to claim 1 is characterized in that described wing (2) is the single-blade low aspect ratio wing, and its aspect ratio is between 0.5-2, and above-mentioned wing (2) is the straight rectangular wing of aerofoil.
6, power-boosting ground effect aircraft according to claim 1, it is characterized in that described fuselage (1) afterbody is provided with the T type tail (9) that height is put, above-mentioned T type tail (9) comprises horizontal tail (10) and vertical fin (11), described horizontal tail (10) is the large tracts of land horizontal tail, and it is long that wing (2) exhibition is longer than in its exhibition.
7, power-boosting ground effect aircraft according to claim 6 is characterized in that being provided with a pair of elevating rudder (12) that is used to control vertical flight attitude and realizes balance in pitch about edge, above-mentioned horizontal tail (10) rear end, and rudder face is provided with tab (13).
8, power-boosting ground effect aircraft according to claim 1, it is characterized in that described fuselage (1) bottom is multibreak rank layout, above-mentioned multibreak rank layout comprises the main faulted-stage (15) of fuselage (1) leading portion and is located at main faulted-stage inferior faulted-stage and stern faulted-stage (16) afterwards that main faulted-stage (15) is multibreak stage structure with several times faulted-stage and stern faulted-stage (16).
9, power-boosting ground effect aircraft according to claim 8 is characterized in that described wing (2) two ends are provided with end plate (7), and this end plate (7) bottom is multibreak stage structure.
10, according to Claim 8 or 9 described power-boosting ground effect aircrafts, it is characterized in that described fuselage (1) water skiing body (17) bottom and end plate (7) bottom transverse cross section are the two arcs of symmetrical indent, arc bottom to arc item end forms horizontal ramping angle α.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021151911A CN1182005C (en) | 2002-04-30 | 2002-04-30 | Effectively power-boosting ground effect aircraft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021151911A CN1182005C (en) | 2002-04-30 | 2002-04-30 | Effectively power-boosting ground effect aircraft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1390743A CN1390743A (en) | 2003-01-15 |
| CN1182005C true CN1182005C (en) | 2004-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021151911A Expired - Lifetime CN1182005C (en) | 2002-04-30 | 2002-04-30 | Effectively power-boosting ground effect aircraft |
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| Country | Link |
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| CN (1) | CN1182005C (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104627368A (en) * | 2013-11-14 | 2015-05-20 | 现代农装科技股份有限公司 | Ground effect flying pesticide sprayer |
| CN106184712B (en) * | 2016-08-10 | 2019-02-19 | 牧羽航空科技（江苏）有限公司 | A kind of amphibious aircraft with autobalance empennage |
| JP7181643B2 (en) * | 2018-12-14 | 2022-12-01 | 国立研究開発法人宇宙航空研究開発機構 | projectile |
| CN110550216A (en) * | 2019-09-24 | 2019-12-10 | 中国人民解放军陆军军事交通学院镇江校区 | Power-lifting ground effect aircraft |
| CN112249298A (en) * | 2020-10-10 | 2021-01-22 | 郑州海王实业有限公司 | Efficient ground effect wing ship elevator counterweight device |
| CN114426076A (en) * | 2022-01-17 | 2022-05-03 | 哈尔滨工程大学 | Tandem wing ground effect ship |
| CN115091905B (en) * | 2022-07-21 | 2024-05-31 | 北京航空航天大学 | Electric flying car |
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2002
- 2002-04-30 CN CNB021151911A patent/CN1182005C/en not_active Expired - Lifetime
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| Publication number | Publication date |
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| CN1390743A (en) | 2003-01-15 |
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