CN110131096A - A kind of new-type vortex generator for wind electricity blade - Google Patents
A kind of new-type vortex generator for wind electricity blade Download PDFInfo
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- CN110131096A CN110131096A CN201910450985.0A CN201910450985A CN110131096A CN 110131096 A CN110131096 A CN 110131096A CN 201910450985 A CN201910450985 A CN 201910450985A CN 110131096 A CN110131096 A CN 110131096A
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- vortex generator
- wind electricity
- electricity blade
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- 230000005611 electricity Effects 0.000 title claims abstract description 45
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000000926 separation method Methods 0.000 abstract description 6
- 239000011664 nicotinic acid Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 10
- 238000009434 installation Methods 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000003292 glue Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 3
- 230000006698 induction Effects 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 244000137852 Petrea volubilis Species 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009828 non-uniform distribution Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 230000003245 working effect Effects 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
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2240/00—Components
- F05B2240/20—Rotors
- F05B2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2240/00—Components
- F05B2240/20—Rotors
- F05B2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
- F05B2240/306—Surface measures
- F05B2240/3062—Vortex generators
-
- 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
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a kind of new-type vortex generator for wind electricity blade, which includes fin body；The fin body is dorsal fin structure, and symmetrical relative to in-between longitudinal cross-section；The intermediate longitudinal cross-section is parallel with the flow direction of leading edge to rear of the wind electricity blade aerofoil section, to reduce fin body perpendicular to the projected area on flow direction, and then reduces form drag.The present invention uses bionic design, and dorsal fin shape fin body has relatively small flow resistance.Longitudinal cross-section is parallel with the flow direction of leading edge to rear of the wind electricity blade aerofoil section among dorsal fin, compared with prior art scheme, and fin body projected area on perpendicular to air current flow direction is small, and form drag is smaller.The energy for flowing to whirlpool, can increasing in boundary layer for generating high energy can be induced when air-flow flows through groove, at the rib of groove and groove, inhibit flow separation.
Description
Technical field
The present invention relates to wind power equipment technical fields, and in particular to a kind of new-type vortex generator for wind electricity blade.
Background technique
It usually will be installed several vortex generators on modern wind generator blade, for generating high energy wingtip vortex, inhibit
Aerofoil profile upper surface flow separation postpones stall, improves generated energy.Common vortex generator structure is as shown in Figure 1 comprising two
A symmetrical fin and a pedestal, fin are typically normal to pedestal and in a certain angle with flow direction.Vortex occurs
The geometric shape of device generates the wing tip " whirlpool " of similar aircraft wing tip in flow field, and wing tip " whirlpool " will be outside boundary layer by rotation
Portion's high-velocity fluid energy is brought into boundary layer, is increased the ability that boundary layer overcomes adverse pressure gradient, is delayed flow boundary layer
Burble point, delay flow separation, vortex generator increases the maximum lift coefficient in blade operating condition, improves liter
Ratio is hindered, and then improves wind energy capturing efficiency.
There is an angle in existing vortex generator and flow direction, due to the presence of the angle, increase fin vertical
Directly in the projection on flow direction, form drag is increased, since the floor of vortex generator is " eight " font arrangement, it will lead
It causes the resistance coefficient of aerofoil profile to increase, and then influences the whole of vortex generator and increase effect fruit.If but without this angle, parallel current
Vortex generator fin is skimmed over, the favorable current vortex structure of fin induction is very faint, and it is extremely limited to the disturbance of tail, inhibit stream
Dynamic separating effect is bad.And existing vortex generator, the wingtip vortex of single fin induction is limited, to induce enough wing tips
Whirlpool then needs to increase the height of fin, and with the increase of fin height, the resistance that vortex generator introduces is consequently increased, most
Limit the maximum lift-drag ratio of aerofoil profile to a certain extent eventually.
Summary of the invention
The object of the present invention is to provide a kind of new-type vortex generators for wind electricity blade, to reduce vortex generator certainly
The flow resistance that body introduces, while enough " wingtip vortex " can be also generated to inhibit the flow separation of airfoil surface, promote aerofoil profile
Lift resistance ratio, improve the aeroperformance of blade, reduce the hydrodynamic noise of blade, increase wind-driven generator annual electricity generating capacity.
In order to achieve the above objectives, the present invention provides a kind of new-type vortex generators for wind electricity blade comprising wing
Piece ontology；The fin body is dorsal fin structure, and symmetrical relative to in-between longitudinal cross-section；The intermediate longitudinal cross-section and institute
The flow direction for stating leading edge to the rear of wind electricity blade aerofoil section is parallel, to reduce fin body on perpendicular to flow direction
Projected area, and then reduce form drag.
The above-mentioned new-type vortex generator for wind electricity blade, wherein the fin body includes that bottom surface and setting exist
Two sides and an end face interconnected two-by-two on the bottom surface, wherein first side and second side are about the centre
Longitudinal cross-section is symmetrical, and the connecting line of first side and second side is slowly to arch upward outward and tend to horizontal curve；First
The connecting line and second side of side and end face and the connecting line of end face are symmetrical about the intermediate longitudinal cross-section and intersect
Two curves.
The above-mentioned new-type vortex generator for wind electricity blade, wherein the height of the fin body of the vortex generator
Degree is between 1mm-200mm.
The above-mentioned new-type vortex generator for wind electricity blade, wherein the ratio between length and height of the fin body
Between 1-10.
The above-mentioned new-type vortex generator for wind electricity blade, wherein two symmetric sides of the fin body are arranged
There are multiple grooves, generates high energy to induce and flow to whirlpool.
The above-mentioned new-type vortex generator for wind electricity blade, wherein the multiple groove is multiple horizontally-parallel rows
The strip-shaped groove of column.
The above-mentioned new-type vortex generator for wind electricity blade, wherein the section of the groove is sagittal curvature, triangle
Shape is trapezoidal.
The above-mentioned new-type vortex generator for wind electricity blade, wherein the depth of the groove is the wing of the groove
Between the 1/10-1/4 of piece ontology transverse gage.
The above-mentioned new-type vortex generator for wind electricity blade, wherein the fin body is by pasting bottom plate setting
On the wind electricity blade.
The above-mentioned new-type vortex generator for wind electricity blade, wherein multiple vortex generators are along from blade root
It is arranged to the direction of blade tip, and the length of vortex generator, height and thickness gradually subtract each along the direction from blade root to blade tip
It is small.
Compared with the existing technology, the invention has the following advantages:
The present invention uses bionic design, and dorsal fin shape fin body has relatively small flow resistance.It is vertical among dorsal fin
It is parallel with the flow direction of leading edge to rear of the wind electricity blade aerofoil section to section, scheme compared with prior art, fin body
Projected area is small on perpendicular to air current flow direction, and form drag is smaller.When air-flow flows through groove, the rib of groove and groove
Place can induce the energy for flowing to whirlpool, can increasing in boundary layer for generating high energy, inhibit flow separation.Sagittal curvature section
Groove be more advantageous to the development for flowing to vortex system, there is good inhibitory effect to the Three-dimensional Flow of wake flow.
Vortex generator of the invention can effectively postpone airfoil surface flowing stall, and delay 2~12 ゜ of stall angle is left
Lift resistance ratio 30%~300% is improved on the right side, close to the better effect of the raising aeroperformance of the thick wing type of leaf root part.The present invention
Vortex generator is used for leaf root part, for postponing stall, inhibits blade root Three-dimensional Flow, can effectively improve annual electricity generating capacity 1%~
4% or so, for low wind speed area, atmospheric density region wind field, improve generated energy effect it is more preferable.Vortex generator of the present invention is used
In blade tip to blade root range, for that can reduce the aerodynamic noise of fan blade at blade tip, reduction noise is 1~3dB.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of existing vortex generator；
Fig. 2 is the structural schematic diagram of vortex generator of the present invention；
Fig. 3 is the intermediate longitudinal cross-section schematic diagram of vortex generator of the present invention；
Fig. 4 is the lateral section structural schematic diagram of vortex generator of the present invention；
Fig. 5 is an example structure schematic diagram of the vortex generator that the present invention has groove structure；
Fig. 6 is another example structure schematic diagram for the vortex generator that the present invention has groove structure；
Fig. 7 is the side schematic view for the vortex generator that the present invention has groove structure；
Fig. 8 is the combining structure schematic diagram that the present invention has pasting boards；
Fig. 9 is another angle schematic diagram of combination that the present invention has pasting boards；
Figure 10 is the structural schematic diagram that the present invention is applied to wind electricity blade；
Figure 11 is the structural schematic diagram of wind electricity blade；
Figure 12 is the vane airfoil profile schematic cross-section in Figure 11.
Specific embodiment
Below in conjunction with attached drawing, by specific embodiment, the invention will be further described, these embodiments are merely to illustrate
The present invention is not limiting the scope of the invention.
As shown in Figures 2 and 3, the present invention provides a kind of new-type vortex generator 10 for wind electricity blade 20, packets
Include fin body 11；The fin body 11 is dorsal fin structure, and symmetrical relative to in-between longitudinal cross-section 12；The centre is vertical
It is parallel to the flow direction of rear 24 with the leading edge 23 of wind electricity blade aerofoil section 26 locating for vortex generator 10 to section 12,
To reduce fin body 11 perpendicular to the projected area in air current flow direction, and then reduce form drag.
As shown in figure 4, in one embodiment, the fin body 11 includes bottom surface 13 and is arranged two on the bottom surface 13
Two interconnected two sides and an end face 16, wherein first side 14 and second side 15 are about described intermediate longitudinal section
Face is symmetrical, and the connecting line of first side 14 and second side 15 is slowly to arch upward outward and tend to horizontal curve；First side
Face 14 is symmetrical about the intermediate longitudinal cross-section with the connecting line and second side 15 of end face 16 and the connecting line of end face 16
And two curves of intersection.End face 16 can be vertical or angled with the bottom surface 13 inclination.
In one more preferably embodiment, two symmetric sides of the fin body 11 are provided with multiple grooves 17, to lure
The raw high energy of artificial delivery flows to whirlpool.The multiple groove 17 is the strip-shaped groove 17 of multiple horizontally-parallel arrangements.The groove 17
Section be sagittal curvature, triangle or trapezoidal.The depth of the groove 17 is preferably that the fin body 11 at the groove 17 is horizontal
To between the 1/10-1/4 of thickness.The depth and size of groove 17 can according to the blade tip 22 or 21 different location of blade root of stickup and
It is fixed.The spacing between each groove 17 and the depth of each groove 17 can be equal or not from bottom to top in fin body 11
It is equal, as shown in Figure 5-Figure 7.
The vortex generator 10 being mounted on blade 20 can be bonded on blade 20 using single form is isolated；Or it is
The fin body 11 of multiple vortex generators 10 is arranged on the wind electricity blade 20 by pasting bottom plate 18, such as Fig. 8 and
Shown in Fig. 9.As shown in Figure 10, along 20 surface of blade, multiple vortex generators 10 can uniform or non-uniform Distribution.
Multiple vortex generators 10 can be distributed to stickup, vortex hair along the type face of blade root 21 to 22 direction of blade tip
Raw device 10 can linear, curve, broken line or wrong row's distribution along the layout type of blade root 21 to 22 direction of blade tip.Preferably, it is vortexed
Generator 10 along blade defiber or turn twist line paste.It is highly preferred that vortex generator 10 at blade root 21 along point
It is offline to paste, line, which is twisted, along turn at blade tip 22 pastes.
Thickness, length and the height for the multiple vortex generators 10 arranged from blade root 21 to blade tip 22 gradually subtract
It is small.The length of vortex generator 10 is preferably 50mm~2000mm, and the length for being mounted on the vortex generator 10 of blade tip 221 is preferred
For 50mm~500mm.The vortex generator 10 it is highly preferred between 1mm-200mm.Specifically, the wind electricity blade 20
The more excellent height of the vortex generator 10 of root area is 15mm-80mm；The vortex of 20 central region of wind electricity blade occurs
The more excellent height of device 10 is 5mm-50mm.The more excellent height of the vortex generator 10 of 20 peaked area of wind electricity blade is 1mm-
30mm.In addition, the ratio between length and height of the vortex generator 10 are preferably between 1-10.The length to height ratio of vortex generator 10
Excessive, then the attachment resistance introduced is big；The length to height ratio of vortex generator 10 is too small, then the wingtip vortex energy induced is insufficient.
In a preferred embodiment, the distance of vortex generator aerodynamic center to blade is 5mm~1000mm.Blade profile
As is illustrated by figs. 11 and 12, vortex generator 10 is at vane airfoil profile section chord length 25 in type section 26 (as shown in Figure 12 middle conductor AB)
On projection C, with wind electricity blade leading edge 23 (i.e. A point) be starting point, fall between the 10%-60% of wind electricity blade section chord length 6
(B point corresponds to rear edge of wind turbine blade 24 in figure), i.e. AC=0.1AB~0.6AB.
For the blade 20 of operation of not installing also, the blade 20 being deposited in stockyard or on-hook operation, vortex generator 10
Installation process it is as follows:
(1) 20 posture of blade is reasonably adjusted, so that posture of 20 installation site of blade convenient for construction；
(2) using tools such as ruler, aerofoil profile snap-gauges, in the installation planar survey and mark installation site of blade 20, installation
Before should polish the adhesive surface of installation site and vortex generator 10, polishing using 600 mesh sand paper polish, after polishing
Adhesive surface should ensure that adhesive surface grinding homogeneity, noresidue dust；
(3) sealing is uniformly coated on the adhesive surface of blade 20 or 10 adhesive surface of vortex generator or stickup bottom plate 18 to glue
Connect glue；
(4) by vortex generator 10 since start position, it is fixed on 20 surface of blade along four point attachment, from whirlpool when fixed
Pressing squeezes out bubble around at flow-generator 10 middle part, and firmly presses vortex generator 1010 seconds, determines that bonding is secured；
(5) it ibid repeats that all vortex generators 10 are installed, after the installation is completed, vortex is occurred using sealing glue
It is sealed at the edge of the stickup bottom plate 18 of device 10 and connection gap, guarantees to seamlessly transit at gap, no noticeable steps；
(6) after vortex generator 10 being installed, it should be noted that require to carry out solidification placement according to the curing time of sealing viscose glue, put
Pay attention to carrying out rainwater-proof during setting, prevent that the strong sun such as is exposed to the sun at the protected workings.
In conclusion new-type vortex generator provided by the present invention reduces the flowing resistance of vortex generator itself introducing
Power, while enough " wingtip vortex " can be also generated to inhibit the flow separation of airfoil surface, the lift resistance ratio of aerofoil profile is promoted, is improved
The aeroperformance of blade reduces the hydrodynamic noise of blade, increases wind-driven generator annual electricity generating capacity.
It is discussed in detail although the contents of the present invention have passed through above preferred embodiment, but it should be appreciated that above-mentioned
Description is not considered as limitation of the present invention.After those skilled in the art have read above content, for of the invention
A variety of modifications and substitutions all will be apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (10)
1. a kind of new-type vortex generator for wind electricity blade, which is characterized in that including fin body；The fin body is
Dorsal fin structure, and it is symmetrical relative to in-between longitudinal cross-section；The intermediate longitudinal cross-section and the wind electricity blade aerofoil section
The flow direction of leading edge to rear is parallel.
2. being used for the new-type vortex generator of wind electricity blade as described in claim 1, which is characterized in that the fin body packet
It includes bottom surface and two sides and an end face interconnected two-by-two is set on the bottom surface, wherein first side and second side
Face is symmetrical about the intermediate longitudinal cross-section, and the connecting line of first side and second side is slowly to arch upward outward and tend to water
Flat curve；The connecting line and second side of first side and end face and the connecting line of end face are about described intermediate longitudinal section
Face is symmetrical and two curves of intersection.
3. being used for the new-type vortex generator of wind electricity blade as described in claim 1, which is characterized in that the vortex generator
Fin body height between 1mm-200mm.
4. being used for the new-type vortex generator of wind electricity blade as described in claim 1, which is characterized in that the fin body
The ratio between length and height are between 1-10.
5. being used for the new-type vortex generator of wind electricity blade as described in claim 1, which is characterized in that the fin body
Two symmetric sides are provided with multiple grooves, generate high energy to induce and flow to whirlpool.
6. being used for the new-type vortex generator of wind electricity blade as claimed in claim 5, which is characterized in that the multiple groove is
The strip-shaped groove of multiple horizontally-parallel arrangements.
7. being used for the new-type vortex generator of wind electricity blade as claimed in claim 6, which is characterized in that the section of the groove
For sagittal curvature, triangle or trapezoidal.
8. being used for the new-type vortex generator of wind electricity blade as claimed in claim 6, which is characterized in that the depth of the groove
Between 1/10-1/4 for the fin body transverse gage of the groove.
9. being used for the new-type vortex generator of wind electricity blade as described in claim 1, which is characterized in that the fin body is logical
Stickup bottom plate is crossed to be arranged on the wind electricity blade.
10. being used for the new-type vortex generator of wind electricity blade as described in claim 1, which is characterized in that multiple vortex
Generator along from blade root to blade tip direction arrange, and the length of vortex generator, height and thickness each along from blade root to
The direction of blade tip is gradually reduced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910450985.0A CN110131096A (en) | 2019-05-28 | 2019-05-28 | A kind of new-type vortex generator for wind electricity blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910450985.0A CN110131096A (en) | 2019-05-28 | 2019-05-28 | A kind of new-type vortex generator for wind electricity blade |
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| Publication Number | Publication Date |
|---|---|
| CN110131096A true CN110131096A (en) | 2019-08-16 |
Family
ID=67582221
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910450985.0A Pending CN110131096A (en) | 2019-05-28 | 2019-05-28 | A kind of new-type vortex generator for wind electricity blade |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111071272A (en) * | 2019-12-27 | 2020-04-28 | 同济大学 | Obstacle deflector with pit arranged at rear end of bottom and application thereof |
| CN112124561A (en) * | 2020-09-27 | 2020-12-25 | 中国商用飞机有限责任公司 | Aerodynamic drag reduction structure for wingtip winglet of aircraft and aircraft |
| CN112943565A (en) * | 2021-03-16 | 2021-06-11 | 中国华能集团清洁能源技术研究院有限公司 | Fan blade with wave-shaped vortex generator and design method thereof |
| CN113859296A (en) * | 2021-10-26 | 2021-12-31 | 同济大学 | Obstacle deflector with passive turbulent flow structure and application thereof |
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| CN105324577A (en) * | 2013-06-11 | 2016-02-10 | 乌本产权有限公司 | Rotor blade of a wind turbine and wind turbine |
| CN207145127U (en) * | 2017-08-10 | 2018-03-27 | 上海电气风电集团有限公司 | Vortex generator and its pneumatic equipment bladess |
| CN108953075A (en) * | 2018-09-19 | 2018-12-07 | 苏州若谷新能源科技有限公司 | A kind of wind power station vortex generator that stability is good |
| CN109386424A (en) * | 2017-08-10 | 2019-02-26 | 上海电气风电集团有限公司 | Vortex generator, pneumatic equipment bladess and its installation method with vortex generator |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105324577A (en) * | 2013-06-11 | 2016-02-10 | 乌本产权有限公司 | Rotor blade of a wind turbine and wind turbine |
| CN207145127U (en) * | 2017-08-10 | 2018-03-27 | 上海电气风电集团有限公司 | Vortex generator and its pneumatic equipment bladess |
| CN109386424A (en) * | 2017-08-10 | 2019-02-26 | 上海电气风电集团有限公司 | Vortex generator, pneumatic equipment bladess and its installation method with vortex generator |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111071272A (en) * | 2019-12-27 | 2020-04-28 | 同济大学 | Obstacle deflector with pit arranged at rear end of bottom and application thereof |
| CN112124561A (en) * | 2020-09-27 | 2020-12-25 | 中国商用飞机有限责任公司 | Aerodynamic drag reduction structure for wingtip winglet of aircraft and aircraft |
| CN112124561B (en) * | 2020-09-27 | 2022-02-25 | 中国商用飞机有限责任公司 | Aerodynamic drag reduction structure for wingtip winglet of aircraft and aircraft |
| CN112943565A (en) * | 2021-03-16 | 2021-06-11 | 中国华能集团清洁能源技术研究院有限公司 | Fan blade with wave-shaped vortex generator and design method thereof |
| CN113859296A (en) * | 2021-10-26 | 2021-12-31 | 同济大学 | Obstacle deflector with passive turbulent flow structure and application thereof |
| CN113859296B (en) * | 2021-10-26 | 2024-03-26 | 同济大学 | Barrier with passive turbulence structure and application thereof |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 200241 Dongchuan Road, Shanghai, No. 555, building No. 8, floor, floor, No. Applicant after: Shanghai Electric Wind Power Group Co., Ltd Address before: 200241, 4 floor, building 555, 4 Dongchuan Road, Shanghai, Minhang District Applicant before: SHANGHAI ELECTRIC WIND POWER GROUP Co.,Ltd. |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190816 |