CN110318931A - A kind of flying wing structure for underwater power generation - Google Patents
A kind of flying wing structure for underwater power generation Download PDFInfo
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- CN110318931A CN110318931A CN201910441173.XA CN201910441173A CN110318931A CN 110318931 A CN110318931 A CN 110318931A CN 201910441173 A CN201910441173 A CN 201910441173A CN 110318931 A CN110318931 A CN 110318931A
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- range
- power generation
- wing structure
- flying wing
- underwater power
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The present invention relates to a kind of flying wing structure for underwater power generation, aspect ratio is 6~9, and interior wing panel taper ratio is 0.6~0.7, and outer panel taper ratio is 0.5~0.6, leading edge sweep λ15 °~6 ° of range, interior wing panel rear sweep angle λ235 °~38 ° of range, outer panel rear sweep angle λ35 °~8 ° of range；Generator is mounted on inside flying wing structure, and flying wing structure mass center is located at axis after meeting installation.Aerodynamic arrangement of the invention is designed using lift-rising drag reduction, winglet hinders air-flow slave flank face up to flow, and lift can be improved, connecting rod cross sectional shape is designed as class aerofoil profile, resistance can be significantly reduced compared to circular cross-section, connected ball equally can achieve the effect of drag reduction using ellipsoid.Aerodynamic arrangement's maximum lift-drag ratio realizes the design of high lift-drag ratio aerodynamic arrangement up to 15.Generator can be arranged in inside flying wing structure, on the one hand improve lift resistance ratio, on the other hand, by optimizing airfoil structure, without setting structure for pod, realize the integrated design of generator and all-wing aircraft.
Description
Technical field
The present invention relates to a kind of flying wing structures for underwater power generation, belong to hydrodynamic contour design, are applied to cleaning
Energy ocean current power field.
Background technique
The basic principle of ocean current energy generator is to convert electric energy by power generator for the kinetic energy of ocean current flowing.Research
More ocean current energy generator mainly has parachute-type and two kinds of wheel blades type.
These ocean current energy generators overwhelming majority is fixed on sea bed, drives power generation by the ocean current compared with low flow velocity completely
Device.By taking wheel blades type power generator as an example, generated output is directly proportional to the cube of ocean current, with wheel blade diameter square at just
Than.Therefore, in order to obtain enough power using the lower ocean current of speed, wheel blade diameter is all larger, and unit scale is also all more
It is huge.Parachute-type power generator is made of tens " parachutes ", they are connected on annular hinge rope, by ocean current
Strength is strutted and is collapsed, and is moved back and forth, and capstan rotation is moved by hinge rope band, to drive electrical power generators.
Wheel blades type power generator size is big, start velocity height is ability technical problem urgently to be resolved.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of flying wing structure for underwater power generation,
At least one mountable generator thereon can effectively generate electricity under lower water velocity, improve power generator application model extensively
It encloses.
The object of the invention is achieved by following technical solution:
A kind of flying wing structure for underwater power generation, spanwise length L are provided, aspect ratio is 6~9, interior wing panel taper ratio
It is 0.6~0.7, outer panel taper ratio is 0.5~0.6, leading edge sweep λ15 °~6 ° of range, interior wing panel rear sweep angle λ2Range
35 °~38 °, outer panel rear sweep angle λ35 °~8 ° of range；Generator is mounted on inside flying wing structure, meets all-wing aircraft knot after installation
Structure mass center is located at axis.
Preferably, spanwise length L range is 1550mm~1650mm.
Preferably, winglet is slightly arranged in the wing, and winglet is the 0.5~0.8 of the wing slightly length, and winglet and the wing are later
End alignment, there are vacant for front end.
Preferably, plane where winglet and chord length is vertical, shape be it is trapezoidal, bottom is mounted on wing ending, and upper bottom is long
Range 55mm~65mm is spent, go to the bottom length range 95mm~105mm, altitude range 55mm~65mm.
Preferably, rudder face is mounted on the rear middle position of aerofoil, rudder face altitude range 200mm~220mm, width range
90mm~110mm.
Preferably, connecting rod shares three, and upper end is connected with aerofoil bottom respectively, and lower end is connected with connected ball respectively, bar
Altitude range 300mm~400mm, first connecting rod and the second connecting rod are located in perpendicular, and along the flying wing structure plane of symmetry
Symmetrically, with plane of symmetry angle theta122 °~27 ° of range, third connecting rod is located in the plane of symmetry, with perpendicular angle theta221 ° of range
~26 °.
Preferably, the cross sectional shape of connecting rod is class aerofoil profile, and big end is half of elliptical shape, along oval tangential contraction
The section widest part width of formation small end, first connecting rod and the second connecting rod is 4~6mm, third connecting rod widest part width
For 7~9mm；Connecting-rod big end is towards aerofoil leading edge direction.
Preferably, connected ball is ellipsoid.
Preferably, all-wing aircraft is shell structure, and inside setting support rib, generator is arranged inside shell structure.
Preferably, all-wing aircraft is entity structure, and inside has the accommodating chamber of corresponding each generator, and carries out loss of weight hollow part
Reason.
Preferably, if it is odd number generator, a generator is set at symmetry axis, is symmetrically set along spanwise
Set other generators；If it is even number generator, it is symmetrical arranged along spanwise.
Preferably, if the height of generator is different, by highly higher generator closer to wing root position.
The invention has the following advantages over the prior art:
(1) aerodynamic arrangement of the invention is designed using lift-rising drag reduction, and winglet hinders air-flow slave flank face toward upstream
It is dynamic, lift can be improved, connecting rod cross sectional shape is designed as class aerofoil profile, can significantly reduce resistance compared to circular cross-section, connected ball is adopted
It equally can achieve the effect of drag reduction with ellipsoid.
(2) aerodynamic arrangement's maximum lift-drag ratio of the invention realizes the design of high lift-drag ratio aerodynamic arrangement up to 15.
(3) present invention optimizes the configuration design of flying wing structure, generator is arranged in inside flying wing structure, one
Aspect improves lift resistance ratio, on the other hand, by optimizing airfoil structure, without setting structure for pod, realizes generator and flies
The integrated design of the wing.
(4) flying wing structure is applied to underwater power generation, compared to traditional wheel blade, compact structure improves and flows through turbine
Water velocity, substantially increase generating efficiency.
Detailed description of the invention
Fig. 1 is present invention layout appearance schematic diagram；
Fig. 2 is aerofoil plan view from above；
Fig. 3 is connecting rod relative position relation figure；Wherein (a) is front view, (b) is side view；
Fig. 4 is connecting rod cross sectional shape schematic diagram；
Fig. 5 is the cross-sectional view of wing root.
Specific embodiment
The present invention provides a kind of layout for underwater power generation, including aerofoil 1, rudder face 2, winglet 3, connected ball 4,
Connecting rod 5；An integral layout, the configuration of the present invention is simple, lift resistance ratio height are fixedly connected between each section.Connected ball 4 passes through soft
Property rope connection after, be placed in water flow, can be controlled by rudder face its several speed in water velocity move, installed in layout multiple
Generator can effectively improve generated output.
As shown in Figure 1, being symmetrical structure the present invention provides a kind of all-wing aircraft for underwater power generation.The section of aerofoil 1 is
Airfoil with high ratio of lift over drag, spanwise length range 1550mm~1650mm, wing root chord length range 410mm~420mm, the wing slightly chord length range
130mm~140mm, aspect ratio are 6~9, and interior wing panel taper ratio is 0.6~0.7, and outer panel taper ratio is 0.5~0.6, leading edge
Angle of sweep λ15 °~6 ° of range, rear sweep angle λ235 °~38 ° of range, rear sweep angle λ35 °~8 ° of range (such as Fig. 2)；Rudder face 2 is pacified
Mounted in the rear middle position of aerofoil 1, rudder face altitude range 200mm~220mm, width range 90mm~110mm rudder face 2 can
It is rotated under steering engine control around rudderpost, control yaw.Winglet 3 is mounted on the two sides of aerofoil 1, and left and right is each a piece of, with chord length
Place plane is vertical, and shape is trapezoidal, upper bottom length range 55mm~65mm, and go to the bottom length range 95mm~105mm, height model
55mm~65mm is enclosed, winglet 3 is held later with the wing and is aligned, and front end further increases lift there are vacant.It is the wing referring to Fig. 5
The cross-sectional view of root, middle part is most thick, and thickness is greater than the height of generator, and internal rectangle frame is generator installation space.
Connecting rod 5 shares three, and upper end is connected with 1 bottom of aerofoil respectively, and lower end is connected with connected ball 4 respectively, bar height
Range 300mm~400mm, for the relative positional relationship of three bars as shown in figure 3, in terms of front view, bar a and bar b are symmetrical,
With plane of symmetry angle theta122 °~27 ° of range, bar c is located in symmetrical plane, and in terms of side view, bar a and bar b are located at perpendicular
It is interior, bar c and perpendicular angle theta221 °~26 ° of range.The cross sectional shape of connecting rod is class aerofoil profile such as Fig. 4, and big end is ellipse half
Round, along oval tangential contraction formed small end so that section be it is streamlined, section the widest part of connecting rod a, b are
Section the widest part of 5mm, connecting rod c are 8mm.For laying the signal wire of steering engine inside connecting rod c, and plays main support and make
With, therefore width is wider.The integral layout can carry out equal proportion scaling.
The placement space of setting generator inside all-wing aircraft, flying wing structure mass center is located at axis after meeting installation.In a reality
It applies in example, a generator is only set, the middle position inside all-wing aircraft is set, inside wing root.In another embodiment, in removing
Portion is arranged outside generator, is symmetrical arranged at least two generators along spanwise.Due to all-wing aircraft from wing root to wing tip thickness gradually
Reduce, so if the height of generator is different, then by the highest setting of height at wing root position, height gets over Gao Ze closer to the wing
Root position.
All-wing aircraft is shell structure in one embodiment, and inside setting support rib, generator setting is in shell structure
Portion.In another embodiment, all-wing aircraft is entity structure, and inside has the accommodating chamber of corresponding each generator, and carries out loss of weight and engrave
Vacancy reason.
In conclusion the present invention can adapt to low speed water environment, moved according to desired trajectory.And layout structure is simple,
Lift resistance ratio is high, and multiple generators can be installed in layout, carries out ocean current power generation.
Under identical generated output, spanwise length of the present invention is suitable with turbo blade, but power generating turbine is only conventional turbine
The 1/10 of diameter.
The above, optimal specific embodiment only of the invention, but scope of protection of the present invention is not limited thereto,
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.
The content that description in the present invention is not described in detail belongs to the well-known technique of professional and technical personnel in the field.
Claims (12)
1. a kind of flying wing structure for underwater power generation, which is characterized in that spanwise length L, aspect ratio are 6~9, the interior wing panel tip
Root ratio is 0.6~0.7, and outer panel taper ratio is 0.5~0.6, leading edge sweep λ15 °~6 ° of range, interior wing panel rear sweep angle λ2
35 °~38 ° of range, outer panel rear sweep angle λ35 °~8 ° of range；Generator is mounted on inside flying wing structure, is flown after meeting installation
Wing structure mass center is located at axis.
2. being used for the flying wing structure of underwater power generation as described in claim 1, which is characterized in that spanwise length L range is
1550mm~1650mm.
3. being used for the flying wing structure of underwater power generation as described in claim 1, which is characterized in that winglet (3) are slightly arranged in the wing,
Winglet (3) is the 0.5~0.8 of the wing slightly length, and winglet (3) is held later with the wing to be aligned, and there are vacant for front end.
4. being used for the flying wing structure of underwater power generation as claimed in claim 2, which is characterized in that winglet (3) and chord length institute
It is vertical in plane, shape be it is trapezoidal, bottom is mounted on wing ending, upper bottom length range 55mm~65mm, length range of going to the bottom
95mm~105mm, altitude range 55mm~65mm.
5. being used for the flying wing structure of underwater power generation as described in claim 1, which is characterized in that rudder face (2) is mounted on aerofoil (1)
Rear middle position, rudder face altitude range 200mm~220mm, width range 90mm~110mm.
6. being used for the flying wing structure of underwater power generation as described in claim 1, which is characterized in that connecting rod (5) shares three, on
End is connected with aerofoil (1) bottom respectively, and lower end is connected with connected ball (4) respectively, and bar altitude range 300mm~400mm, first connects
Extension bar and the second connecting rod are located in perpendicular, and symmetrical along the flying wing structure plane of symmetry, with plane of symmetry angle theta122 ° of range~
27 °, third connecting rod is located in the plane of symmetry, with perpendicular angle theta221 °~26 ° of range.
7. being used for the flying wing structure of underwater power generation as claimed in claim 6, which is characterized in that the cross sectional shape of connecting rod is class
Aerofoil profile, big end are half of elliptical shape, form small end, section of first connecting rod and the second connecting rod along oval tangential contraction
Face widest part width is 4~6mm, and third connecting rod widest part width is 7~9mm；Connecting-rod big end is towards aerofoil leading edge direction.
8. being used for the flying wing structure of underwater power generation as claimed in claim 6, which is characterized in that connected ball (4) is ellipsoid.
9. being used for the flying wing structure of underwater power generation as described in claim 1, which is characterized in that all-wing aircraft is shell structure, internal
Setting support rib, generator are arranged inside shell structure.
10. being used for the flying wing structure of underwater power generation as described in claim 1, which is characterized in that all-wing aircraft is entity structure, internal
Accommodating chamber with each generator of correspondence, and carry out loss of weight hollow processing.
11. the flying wing structure for underwater power generation as described in claim 9 or 10, which is characterized in that sent out if it is odd number
A generator is then arranged at symmetry axis, is symmetrical arranged other generators along spanwise for motor；It generates electricity if it is even number
Machine is then symmetrical arranged along spanwise.
12. the flying wing structure for underwater power generation as described in claim 9 or 10, which is characterized in that if the height of generator
Degree is different, then by highly higher generator closer to wing root position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910441173.XA CN110318931B (en) | 2019-05-24 | 2019-05-24 | Flying wing structure for underwater power generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910441173.XA CN110318931B (en) | 2019-05-24 | 2019-05-24 | Flying wing structure for underwater power generation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110318931A true CN110318931A (en) | 2019-10-11 |
| CN110318931B CN110318931B (en) | 2020-09-18 |
Family
ID=68119120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910441173.XA Active CN110318931B (en) | 2019-05-24 | 2019-05-24 | Flying wing structure for underwater power generation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110318931B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114572340A (en) * | 2022-04-18 | 2022-06-03 | 西北工业大学 | Family of underwater high-lift low-cavitation airfoil |
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| Publication number | Publication date |
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| CN110318931B (en) | 2020-09-18 |
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