CN110080937A - Novel wide-band active control blade of wind-driven generator - Google Patents
Novel wide-band active control blade of wind-driven generator Download PDFInfo
- Publication number
- CN110080937A CN110080937A CN201910419447.5A CN201910419447A CN110080937A CN 110080937 A CN110080937 A CN 110080937A CN 201910419447 A CN201910419447 A CN 201910419447A CN 110080937 A CN110080937 A CN 110080937A
- Authority
- CN
- China
- Prior art keywords
- blade
- wind
- jet
- driven generator
- cushion chamber
- 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.)
- Granted
Links
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 17
- 238000003786 synthesis reaction Methods 0.000 claims abstract description 17
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 11
- 239000000741 silica gel Substances 0.000 claims description 11
- 229910002027 silica gel Inorganic materials 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 7
- 238000002955 isolation Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 230000005284 excitation Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 5
- 238000000926 separation method Methods 0.000 abstract description 5
- 230000002194 synthesizing effect Effects 0.000 abstract description 4
- 238000010248 power generation Methods 0.000 abstract description 3
- 230000003139 buffering effect Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 9
- 238000007599 discharging Methods 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005713 exacerbation Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Classifications
-
- 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
- F03D—WIND MOTORS
- F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor
- F03D1/06—Rotors
- F03D1/065—Rotors characterised by their construction elements
- F03D1/0675—Rotors characterised by their construction elements of the blades
-
- 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
- F03D—WIND MOTORS
- F03D7/00—Controlling wind motors
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
- F03D7/022—Adjusting aerodynamic properties of the blades
-
- 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
- F03D—WIND MOTORS
- F03D7/00—Controlling wind motors
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
- F03D7/0256—Stall control
-
- 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
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The present invention is a kind of novel wide-band active control blade of wind-driven generator, it includes blade body and several fluidic components, several fluidic components are arranged in the lower section on the surface of blade body, several fluidic components are arranged along the upstream side of blade body airflow on surface defiber, and mainly it is disposed adjacent to the high-lift section of blade tip, multiple jet exits being connected to the jet orifice of fluidic component are offered on the surface of blade body, the fluidic component is low reynolds number plasma synthesis jet-flow excitor.The present invention drives plasma synthesis jet-flow excitor by the high-frequency direct-current pulse power, generate the synthesizing jet-flow of fair speed, blade of wind-driven generator surface flow is controlled, the flow separation of blade suction surface is overcome by jet stream Active Control Method, there can be higher aeroperformance in bigger incoming flow range of angles of attack, blade of wind-driven generator working resistance and unsteady aerodynamic loading are reduced, wind turbine power generation efficiency and stability are improved.
Description
Technical field
The invention belongs to blade of wind-driven generator active control fields, more particularly, to a kind of novel wide-band active control
Use blade of wind-driven generator.
Background technique
Multinational to be all evolving renewable energy with the increasingly exacerbation of energy crisis, wind energy is wherein important group
At part, wind-driven generator number is huge in world wide.The aerodynamic characteristic for studying blade of wind-driven generator, improves efficiency
And stability is of great significance.
At runtime, working environment is complicated, Incoming gas aerodynamic parameter (speed, incoming flow for common horizontal axis wind-driven generator
Angle of attack etc.) change greatly, when incoming flow angle is more than the critical angle of attack of its foline aerofoil profile, it is easy to happen the unsteady flow separation of air-flow and leads
It causes blade dynamic stall phenomenon occur, increases the unsteady aerodynamic loading of wind-driven generator, to the aeroperformance of wind-driven generator
It is had a huge impact with structure fatigue life, reduces the generating efficiency and service life of wind-driven generator.
It is widely applied to have blowing suction control program, based on medium at present in blade of wind-driven generator active control field
Barrier discharge plasma driver and piezoelectric membrane synthesizing jet-flow excitor change locally or globally flow field structure, effectively
Reduce the aerodynamic loss generated by flow separation.Blowing suction flowing control program in the prior art needs additional gas sources, pipe
Road and control valve, thus cause to increase more additional weight and since system reliability caused by structure is complicated declines.
A kind of blade of wind-driven generator based on dielectric barrier discharge plasma driver, improves the aerodynamic characteristic of blade surface,
But the structure of dielectric barrier discharge plasma driver determines that blade surface must have raised structures, it is clear that so that wind-force leaf
Piece skin resistance increases, although this design makes blade have more stable aerodynamic characteristic, has lost efficiency；A kind of utilization
Piezoelectric membrane vibrates repeatedly carries out periodic blowing-suction, converts the electric energy of consumption to the synthesizing jet-flow excitor of fluid dynamic energy,
So as to improve locally or globally flow field structure, reducing aerodynamic loss, but its momentum fan-out capability is weaker, control ability is not strong, and
Response frequency is lower.
Therefore, wind power generation field needs a kind of blade for having excellent active control ability, should possess impost
The advantages that small, structure is simply, the operation is stable, control ability are strong, working frequency is wider, makes blade of wind-driven generator in complex working condition
Under have excellent aerodynamic characteristic and stability.
Summary of the invention
In view of this, the present invention is directed to propose a kind of novel wide-band active control blade of wind-driven generator, have compared with
Wide active control response frequency has stronger control ability to improve blade aerodynamic performance, and additional structure is simple.
In order to achieve the above objectives, technical scheme is as follows:
A kind of novel wide-band active control blade of wind-driven generator, it includes blade body and several fluidic components,
Several described fluidic components are arranged in the lower section on the surface of blade body, and several fluidic components are along blade body surface gas
The offline upstream side arrangement of flow point, and be mainly disposed adjacent at the high-lift section of blade tip, it is opened up on the surface of blade body
There are multiple jet exits being connected to the jet orifice of fluidic component, the fluidic component is low reynolds number plasma synthesis jet stream
Driver.
Further, the low reynolds number plasma synthesis jet-flow excitor include cushion chamber, discharge cavity,
Anode discharge electrode, cathodic discharge electrode and heat-proof silica gel, the discharge cavity are arranged inside the cushion chamber, and described puts
Electric chamber is arranged in cushion chamber bottom, is uniformly provided with multiple low-speed jet mouths, the low-speed jet mouth in the upper wall of cushion chamber
For the jet orifice of driver, anode discharge electrode and cathodic discharge electrode are penetrated in the lower wall of discharge cavity, and with the heat-resisting silicon
Glue is fixed and seals, and is uniformly provided with multiple high-speed jet mouths in the upper wall of discharge cavity.
Further, the low reynolds number plasma synthesis jet-flow excitor include cushion chamber, discharge cavity,
Anode discharge electrode, cathodic discharge electrode and heat-proof silica gel, the discharge cavity are fixed on the outside of the cushion chamber, and described puts
The bottom of cushion chamber is arranged in electric chamber, penetrates anode discharge electrode and cathodic discharge electrode in the bottom wall of discharge cavity, and described in use
Heat-proof silica gel is fixed and seals, and is uniformly provided with multiple high-speed jet mouths in the roof of discharge cavity, opens up in the bottom wall of cushion chamber
With the one-to-one through-hole of high-speed jet mouth, and through-hole and high-speed jet mouth size are adapted, and are uniformly opened in the roof of cushion chamber
Equipped with multiple low-speed jet mouths, the low-speed jet mouth is the jet orifice of driver.
Further, the area of section summation of all low-speed jet mouths is total greater than the area of section of all high-speed jet mouths
With.
Further, the jet exit on blade body surface and the low-speed jet mouth of driver match, be hole or
Seam, specially straight hole, inclined hole, vertical masonry joint or R-joining.
Further, in the prefabricated cushion chamber of blade body inner surface, the cushion chamber is identical as blade body material, will put
Electric chamber is assembled to cushion chamber.
Further, it polishes to form cushion chamber in blade body lower surface, discharge cavity is assembled to cushion chamber.
Further, installation swashs according to the adjusting of blade of wind-driven generator surface Real Time Current Field aerodynamic characteristic in blade body
Encourage the active control system of device discharge frequency.
Further, the anode discharge electrode and cathodic discharge electrode are by high impulse power supply power supply, in wind-driven generator
In the case of different operating, intensity of flow is gone out to jet stream using the pulse power and is adjusted.
Further, the cavity wall of the discharge cavity is isolation material, and flow-guiding structure is set in cushion chamber.
Compared with the existing technology, a kind of novel wide-band active control of the present invention has with blade of wind-driven generator
Following advantage:
1. blade additional structure of the present invention is simple, impost is small, response frequency range is wide.Relative to no active control energy
The blade of power, this blade active control ability can extenuate unsteady aerodynamic loading when blade working, so compared with conventional wind
Machine blade has the more long-life.
2. blade surface Partial controll ability is strong, control effect is good, generates the main portions of lift in pneumatic equipment bladess
It tightens control.Since the geometric dimension of single fluidic component is small, feature easy to install, on blade of wind-driven generator surface using multiple
Fluidic component array arrangement can install fluidic component additional in the lesser part of some areas according to specific operating condition, realize preferable
Partial controll effect.
3. the design blade working wide frequency range has the real-time response ability of high frequency control.Wind energy conversion system may be implemented
Based on the regulative mode of incoming flow feedforward, control pulse frequency is adjusted according to blade of wind-driven generator surface or incoming flow Real Time Current Field characteristic
Spectrum, the available better active control effect of the traditional control method that compares.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 shows for a kind of structure of novel wide-band active control blade of wind-driven generator described in the embodiment of the present invention
It is intended to；
Fig. 2 is the structural schematic diagram of fluidic component；
Fig. 3 is that cushion chamber is cylindrical body, and low-speed jet mouth is arrangement of the driver of straight hole on blade of wind-driven generator
Schematic diagram；
Fig. 4 is that cushion chamber is cuboid, and low-speed jet mouth is arrangement side of the driver of seam on blade of wind-driven generator
Formula schematic diagram.
Description of symbols:
1- low-speed jet mouth, 2- cushion chamber, 3- high-speed jet mouth, 4- discharge cavity, 5- anode discharge electrode, 6- blade sheet
Body, 7- low reynolds number plasma synthesis jet-flow excitor, 8- cathodic discharge electrode, the high-lift section of 9- blade tip, 10- jet stream go out
Mouthful.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
As Figure 1-Figure 2, a kind of novel wide-band active control blade of wind-driven generator, it includes blade body 6
With several low reynolds number plasma synthesis jet-flow excitors 7, several described low reynolds number plasma synthesis jet excitations
Device 7 is arranged under the surface of blade body 6, and several low reynolds number plasma synthesis jet-flow excitors 7 are along blade body 6
The upstream side of airflow on surface defiber is arranged, and is mainly disposed adjacent at the high-lift section 9 of blade tip, on blade body surface
Offer the jet exit 10 that multiple jet orifices with low reynolds number plasma synthesis jet-flow excitor 7 are connected to.
The specific structure of low reynolds number plasma synthesis jet-flow excitor 7 are as follows: including cushion chamber 2, discharge cavity 4, anode
Discharge electrode 5, cathodic discharge electrode 8 and heat-proof silica gel, the discharge cavity 4 are arranged inside the cushion chamber 2, and described puts
Electric chamber 4 is arranged in 2 bottom of cushion chamber, is uniformly provided with multiple low-speed jet mouths 1 in the upper wall of cushion chamber 2, the low speed is penetrated
Head piece 1 is the jet orifice of driver, penetrates anode discharge electrode 5 and cathodic discharge electrode 8 in the lower wall of discharge cavity 4, and use institute
It states heat-proof silica gel to fix and seal, is uniformly provided with multiple high-speed jet mouths 3 in the upper wall of discharge cavity 4.
The specific structure of low reynolds number plasma synthesis jet-flow excitor 7 may be: including cushion chamber 2, discharge cavity
4, anode discharge electrode 5, cathodic discharge electrode 8 and heat-proof silica gel, the discharge cavity 4 are fixed on the outside of the cushion chamber 2, institute
The bottom of cushion chamber 2 is arranged in the discharge cavity 4 stated, and penetrates anode discharge electrode 5 and cathodic discharge electrode in the bottom wall of discharge cavity 4
8, and fixed and sealed with the heat-proof silica gel, multiple high-speed jet mouths 3 are uniformly provided in the roof of discharge cavity 4, are being buffered
The bottom wall of chamber 2 open up with the one-to-one through-hole of high-speed jet mouth 3, and through-hole and high-speed jet mouth size are adapted, and are being buffered
The roof of chamber 2 is uniformly provided with multiple low-speed jet mouths 1, and the low-speed jet mouth 1 is the jet orifice of driver.
The area of section summation of all low-speed jet mouths 1 is greater than the area of section summation of all high-speed jet mouths 3.
The jet exit 10 on 6 surface of blade body and the low-speed jet mouth 1 of cushion chamber are adapted, be hole or seam, specially
Straight hole, inclined hole, vertical masonry joint or R-joining.Specific arrangement may is that the hole or one of multiple arrays is arranged in the upper wall in the buffering cavity 2
Item seam, aerofoil jet exit 10 are matched.
In the prefabricated cushion chamber 2 of 6 inner surface of blade, the cushion chamber 2 is identical as 6 material of blade, discharge cavity 4 is assembled to slow
It rushes in chamber 2.
It is also possible to polish to form cushion chamber 2 in 6 lower surface of blade, discharge cavity 4 is assembled in cushion chamber 2.
Installation adjusts driver discharge frequency according to blade of wind-driven generator surface Real Time Current Field aerodynamic characteristic on blade 6
Active control system.
Anode discharge electrode 5 and cathodic discharge electrode 8 are powered by high frequency pulse power supply, are in different works in wind-driven generator
In the case of work, intensity of flow is gone out to jet stream using the pulse power and is adjusted.
The cavity wall of discharge cavity 4 is isolation material, and sets flow-guiding structure in cushion chamber 2.
To make the control effect to blade body 6 more preferable, it is necessary to have bigger control area, that just needs several institutes
The surface that driver 7 is evenly spaced in the blade body 6 of wind-driven generator is stated, can be single row or multiple rows linear array, due to wind
Power machine lift is intensively arranged at the high-lift section 9 of blade tip mainly in the high-lift section 9 of the blade tip of blade body 6.
The specific structure of buffering cavity 2 and discharging chamber 4 can be buffering cavity 2 and discharge cavity 4 is hollow cylinder
Structure, and the two coaxial line is arranged；Being also possible to buffering cavity 2 is hollow rectangular parallelepiped structure, and the discharge cavity 4 is hollow cylinder
Body structure, and 4 face buffering cavity of the discharge cavity, 2 bottom is arranged.
Arrangement of the fluidic component of two kinds of specific structures on blade of wind-driven generator, Fig. 3 are provided as shown in Figure 3 and Figure 4
It is cylindrical body for cushion chamber, a kind of arrangement mode when low-speed jet mouth is straight hole on blade of wind-driven generator；Fig. 4 is buffering
Chamber is cuboid, a kind of arrangement mode when low-speed jet mouth is seam on blade of wind-driven generator.
The outgoing air velocity of low reynolds number plasma synthesis jet-flow excitor 7 can control in tens meter per second magnitudes,
It is highly suitable for the control of Blades For Horizontal Axis Wind suction surface air-flow separation.
It is greater than the setting of the lower section area of buffering cavity 2 by the top area of section of buffering cavity 2, to be arranged
More low-speed jet mouths 1, the practical control area of Lai Zeng great driver can also increase structure or the portion for adjusting and distributing stream
Part is controlled better effect.
The cavity wall of discharging chamber 4 is isolation material.The size of anode discharge electrode 5 and cathodic discharge electrode 8, shape,
Away from can be arranged according to specifically used requirement, it is cylindric, diameter 1mm that a kind of mode of recommendation, which is electrode shape, and spacing is
3mm。
The design of discharge cavity and buffering cavity configuration, controls discharge velocity；The working frequency of pulse power source control driver
And amplitude, the two collective effect determine the discharge state of jet stream, thus the external air flow with the blade surface of wind-driven generator
Momentum-exchange is carried out, achievees the effect that active control.
The working principle of driver on blade is: gas is in anode discharge electrode 5 and cathodic discharge electricity in discharging chamber 4
Ionization is heated under the discharge process of pole 8, so that gas expansion in discharging chamber 4, gas injects to cushion chamber from high-speed jet mouth 3
2, reducing and slowed down by drag effect in 2 high speed gas pressure of cushion chamber, temperature is low velocity gas, then from low-speed jet mouth
1 projects, and diameter, height and 1 size of low-speed jet mouth of cushion chamber 2 determine jet stream to 6 surface of blade of wind-driven generator ontology
Gas velocity, the air-flow and ambient atmos of jet stream to 6 surface of blade of wind-driven generator ontology carry out momentum-exchange, reach and actively control
Effect processed.Primary electric discharge terminates, and ambient atmos make driver internal gas Parameter reconstruction into driver by low-speed jet mouth 1
To electric discharge, a working cycles terminate.
It is described based on above-mentioned theory, blade of wind-driven generator of the invention is wide under wideband belt controling signal input action
Frequency band direct current pulse power source drives low reynolds number plasma synthesis jet-flow excitor 7, generates the synthesizing jet-flow of fair speed, right
Aerofoil flowing is controlled, and novel wide-band active control of the invention passes through jet stream active control side with blade of wind-driven generator
Method overcomes the flow separation of blade suction surface, can have higher aeroperformance in bigger incoming flow range of angles of attack, reduces wind
The working resistance of power generator blade and unsteady aerodynamic loading improve wind turbine power generation efficiency and stability, extend wind
The power machine service life.
The jet stream scheme of new blade can also be adapted to low frequency active control signal, or adaptation is based on wind-driven generator incoming flow
The high frequency pumping of feedforward controls signal, and operating frequency range is big, and flowing control ability is strong.
The different location of blade, because of flow regime difference, jet vectoring demand is different, therefore, the cushion chamber 2 of fluidic component
Structure design is different, specially the tool of the cross-sectional area of cushion chamber 2, the shape of low-speed jet mouth, size and flow-guiding structure
Body arrangement, these factors affects driver jet stream the case where, so that the air-flow of blade is influenced, around active control blade
Air-flow.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of novel wide-band active control blade of wind-driven generator, it is characterised in that: it include blade body (6) and if
Dry fluidic component, several fluidic components are arranged in the lower section on the surface of blade body (6), and several fluidic components are along leaf
The upstream side of piece ontology (6) airflow on surface defiber is arranged, and is mainly disposed adjacent at the high-lift section (9) of blade tip, in leaf
Multiple jet exits (10) being connected to the jet orifice of fluidic component, the fluidic component are offered on the surface of piece ontology (6)
For low reynolds number plasma synthesis jet-flow excitor (7).
2. novel wide-band active control blade of wind-driven generator according to claim 1, it is characterised in that: each described
Low reynolds number plasma synthesis jet-flow excitor (7) include cushion chamber (2), discharge cavity (4), anode discharge electrode (5),
Cathodic discharge electrode (8) and heat-proof silica gel, the discharge cavity (4) are arranged in the inside of the cushion chamber (2), the discharge cavity
(4) it is arranged in cushion chamber (2) bottom, is uniformly provided with multiple low-speed jet mouths (1) in the roof of cushion chamber (2), described is low
Rapid fire head piece (1) is the jet orifice of driver, penetrates anode discharge electrode (5) and cathodic discharge electricity in the bottom wall of discharge cavity (4)
Pole (8), and fixed and sealed with the heat-proof silica gel, multiple high-speed jet mouths are uniformly provided in the roof of discharge cavity (4)
(3)。
3. novel wide-band active control blade of wind-driven generator according to claim 1, it is characterised in that: Mei Gesuo
The low reynolds number plasma synthesis jet-flow excitor (7) stated includes cushion chamber (2), discharge cavity (4), anode discharge electrode
(5), cathodic discharge electrode (8) and heat-proof silica gel, the discharge cavity (4) are fixed on the outside of the cushion chamber (2), and described puts
Electric chamber (4) setting penetrates anode discharge electrode (5) and cathodic discharge electricity in the bottom of cushion chamber (2), in the bottom wall of discharge cavity (4)
Pole (8), and fixed and sealed with the heat-proof silica gel, multiple high-speed jet mouths are uniformly provided in the roof of discharge cavity (4)
(3), it is opened up and high-speed jet mouth (3) one-to-one through-hole, and through-hole and high-speed jet mouth size in the bottom wall of cushion chamber (2)
It is adapted, is uniformly provided with multiple low-speed jet mouths (1) in the roof of cushion chamber (2), the low-speed jet mouth (1) is excitation
The jet orifice of device.
4. novel wide-band active control blade of wind-driven generator according to claim 2 or 3, it is characterised in that: institute
There is the area of section summation of low-speed jet mouth (1) to be greater than the area of section summation of all high-speed jet mouths (3).
5. novel wide-band active control blade of wind-driven generator, feature according to any one of claim 4 exist
In: the jet exit (10) on blade body (6) surface and the low-speed jet mouth (1) of driver match, and are hole or seam, tool
Body is straight hole, inclined hole, vertical masonry joint or R-joining.
6. novel wide-band active control blade of wind-driven generator, feature according to any one of claim 5 exist
In: in the prefabricated cushion chamber of blade body (6) inner surface (2), the cushion chamber (2) is identical as blade body (6) material, will discharge
Chamber (4) is assembled to cushion chamber (2).
7. novel wide-band active control blade of wind-driven generator according to claim 5, it is characterised in that: in blade
Ontology (6) lower surface polishes to form cushion chamber (2), and discharge cavity (4) is assembled to cushion chamber (2).
8. novel wide-band active control blade of wind-driven generator according to claim 7, it is characterised in that: in blade
The active control that driver discharge frequency is adjusted according to blade of wind-driven generator surface Real Time Current Field aerodynamic characteristic is installed on ontology (6)
System processed.
9. novel wide-band active control blade of wind-driven generator according to claim 8, it is characterised in that: the sun
Pole discharge electrode (5) and cathodic discharge electrode (8) are powered by high frequency pulse power supply, are in different operating situation in wind-driven generator
Under, intensity of flow is gone out to jet stream using the pulse power and is adjusted.
10. novel wide-band active control blade of wind-driven generator according to claim 9, it is characterised in that: described
The cavity wall of discharge cavity (4) is isolation material, and sets flow-guiding structure in cushion chamber (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910419447.5A CN110080937B (en) | 2019-05-20 | 2019-05-20 | Wind driven generator blade for broadband active control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910419447.5A CN110080937B (en) | 2019-05-20 | 2019-05-20 | Wind driven generator blade for broadband active control |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110080937A true CN110080937A (en) | 2019-08-02 |
| CN110080937B CN110080937B (en) | 2020-06-23 |
Family
ID=67420906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910419447.5A Active CN110080937B (en) | 2019-05-20 | 2019-05-20 | Wind driven generator blade for broadband active control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110080937B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002115646A (en) * | 2000-10-11 | 2002-04-19 | Mitsubishi Heavy Ind Ltd | Turbine with turbine blade cleaning device |
| CN207111304U (en) * | 2017-04-09 | 2018-03-16 | 泸州职业技术学院 | A kind of synthesizing jet-flow wind energy conversion system stall control device |
| CN109618481A (en) * | 2018-12-14 | 2019-04-12 | 哈尔滨工业大学 | The plasma synthesis jet-flow excitor of low reynolds number condition |
-
2019
- 2019-05-20 CN CN201910419447.5A patent/CN110080937B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002115646A (en) * | 2000-10-11 | 2002-04-19 | Mitsubishi Heavy Ind Ltd | Turbine with turbine blade cleaning device |
| CN207111304U (en) * | 2017-04-09 | 2018-03-16 | 泸州职业技术学院 | A kind of synthesizing jet-flow wind energy conversion system stall control device |
| CN109618481A (en) * | 2018-12-14 | 2019-04-12 | 哈尔滨工业大学 | The plasma synthesis jet-flow excitor of low reynolds number condition |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110080937B (en) | 2020-06-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102798149B (en) | Plasma concave-cavity flame stabilizer for engine | |
| US4666104A (en) | Combination lift thrust device | |
| DE69932086D1 (en) | SHEATHED STRAIGHT TURBINE GENERATOR SYSTEM AND ITS COOLING | |
| CN108811289A (en) | A kind of dynamic pressure type plasma synthesis fluidic generator | |
| CN109760818B (en) | Supersonic velocity boundary layer transition control method based on synthetic double-jet actuator | |
| CN106507575A (en) | A kind of plasma synthesis jet-flow excitor for high-altitude vehicle | |
| CN106049248A (en) | Method for using vertical axial draught fans for conducting vortex vibration control over long-span bridge | |
| CN109630312B (en) | High-frequency response vectoring nozzle | |
| CN108566718A (en) | A kind of high frequency plasma excitation device for flowing control | |
| CN108222627B (en) | Vibration reduction protection active blowing control device with cylindrical structure | |
| Seifert | Closed-loop active flow control systems: actuators | |
| CN110080937A (en) | Novel wide-band active control blade of wind-driven generator | |
| CN112747888B (en) | High-enthalpy and high-heat-flow ground simulation test device and test method | |
| CN109618481A (en) | The plasma synthesis jet-flow excitor of low reynolds number condition | |
| DK2769912T3 (en) | Vertebral apparatus and method | |
| CN109413831B (en) | Plasma synthesis jet generator capable of controlling temperature in cavity and application thereof | |
| CN111272432A (en) | Air inlet pulsation back pressure generation test device based on cam and jet flow mechanism | |
| CN113357080B (en) | Wind-powered electricity generation blade ring volume control system that blows | |
| CN115465445A (en) | Wing type lift device without control surface based on feedback-free oscillation jet flow | |
| CN111720368B (en) | Water hammer generating device | |
| CN114110664B (en) | Plasma synthetic jet combustion chamber | |
| GB2587409A (en) | A wind turbine and method of generating power from the wind | |
| CN110588956A (en) | Blowing type rudder effect gain device | |
| WO2006027630A2 (en) | Method of controlling vortex bursting | |
| RU2172278C2 (en) | Hypersonic flying vehicle |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |