CN102192098A - Efficient and low-speed wing-type vertical-shaft wind driven generator - Google Patents
Efficient and low-speed wing-type vertical-shaft wind driven generator Download PDFInfo
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- CN102192098A CN102192098A CN2010101500266A CN201010150026A CN102192098A CN 102192098 A CN102192098 A CN 102192098A CN 2010101500266 A CN2010101500266 A CN 2010101500266A CN 201010150026 A CN201010150026 A CN 201010150026A CN 102192098 A CN102192098 A CN 102192098A
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- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/30—Wind power
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- 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
- Y02E10/74—Wind turbines with rotation axis perpendicular to the wind direction
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Abstract
The invention relates to an efficient and low-speed wing-type vertical-shaft wind driven generator and a preparation method thereof. The generator is characterized in that an efficient and low-speed high-lift airplane wing is adopted and has the advantages of low rotational speed, zero noise, large torque, high wind-collecting efficiency of the wing, strong generation capacity of a motor and long service life of the whole generator. The patent technology comprises wing design, automatic control on power generation, a speed increaser, inversion between alternating current and direct current, automatic switching of illumination and other core technologies; a new-meaning invention patent is formed by integration of novel materials and novel technologies; the generator can be started when the rated rotational speed is 250rpm and the wind speed is 3 meters/second; the full load is 12 meters/second and the maximum wind speed is 25 meters/second; the length of a linkage rod is 600 millimeters; and the rated output power is 1,000w. By adopting the principle of aerodynamics and aiming at wind driven simulation of vertical shaft rotation, airplane wing-shaped blades are adopted, and the efficiency and the like cannot be changed due to deformation during the rotation of a wind wheel; the generator comprises the five blades perpendicular to a straight line, and is fixed by a pentagon-shaped hub with large wind collecting area and high wind cut speed, the wind wheel consists of a connecting rod for connecting the blades, a rare-earth permanent magnet generator is driven by the wind wheel for power generation and sends power to a controller for controlling and allocating electric energy required by a load; according to the aerodynamic theory, the tangent plane which is vertical to a rotation shaft of the wind driven generator is selected to calculate a model, the axis distance of the rotation shaft of each blade is N meters according to the actual size of the blade.
Description
Technical field
The present invention relates to the preparation method of low-speed high-efficiency wing blade vertical-shaft aerogenerator.Belong to the energy, electric power, dwelling house, building, material, control, aerodynamics field.
Background technique
Small-sized wind power generator has been ripe product, does not have the bottleneck in the application.Because wind-power electricity generation has the characteristics such as sustainability height that cost is low, utilize, make small-size wind power-generating move towards the city, move towards family, moved towards the road that practical stage more cleverly is the certainty popularized day by day of small-sized wind power generator.In numerous small-sized wind power generator production firms, exploring always in light weight, volume is little, noise is little, the small-sized wind power generator of slow-revving breeze start-up generating, the bottleneck that addresses this problem is technical barriers such as the structure, aerofoil profile, rotating speed starting torque of wind-driven generator.
Through the feedback suggestion that in a few years practical application and users at home and abroad are used, we are in former small-sized wind power generator (patent: 200710193833.4; 200810136200.4; 200910151201.0) the basis on, developed low-speed high-efficiency airplane ascensional force aerofoil profile vertical-shaft aerogenerator.Its characteristics are that rotating speed is low, noiseless, moment of torsion are big, aerofoil profile is collected folk songs the efficient height, and the electric power generation ability is strong, the complete machine long service life, the country that is suitable for Europe, the United States again and has the bird protection method.
At present, what production the type vertical axis wind power generation product was maximum is Japan's (beginning one's study in 2002), also have states such as Britain, Canada at present also in development, most of product of these countries adopts parallel connecting rod in the middle of the wind wheel design, this mode is had relatively high expectations to the generator output shaft, and the structure relative complex, on-the-spot installation procedure is also on the high side.In addition, from the terms of mechanics analysis, H type vertical axis aerogenerator power is big more, blade is long more, the central point of the central point of parallel bar and generator shaft distance is long more, and wind loading rating is just poor more, so the power of vertical-shaft fan can only be less than 5KW.
Economy and social benefit analysis and future prospect
Low speed, efficient, aircraft aerofoil profile vertical-shaft aerogenerator, (quite wind speed 3.4-5.4m/s) calculated by 12 hours above average time with gentle breeze, low speed, efficient, an aircraft aerofoil profile vertical-shaft aerogenerator electric energy output day generated energy can reach more than 10 degree, 1.2 yuan of calculating of every degree electricity then can be saved 12 yuan of the electricity charge every day.Low speed, efficient, aircraft aerofoil profile vertical-shaft aerogenerator then are recoverable fully invested about 4 years by 8000 yuan of calculation of price.Calculated in 20 years as using, then can save the electricity charge more than 60,000 yuan by every cover.
By sending out 0.4 kilogram of calculating of 1 degree power consumption coal, used 20 years as every cover private station, then can quite save 40 tons of coals, reduce 1500 tons of CO2 emission.This shows that the Economy and the social benefit analysis of the electric energy output of vertical shaft cylinder 1000W wind-driven generator all are very significant.
In recent years, the development of the wind-powered electricity generation of emerging market rapidly.Under the background of national policy support and energy supply anxiety, the wind-powered electricity generation of China particularly wind power equipment manufacturing industry also emerges rapidly, has become the most active place of global wind-powered electricity generation.9% has invested China in the global wind-powered electricity generation funds in 2006, and total value reaches 16.2 hundred million Euros (about 162.7 hundred million yuans).2007, Chinese feature Denso machine capacity is the rank world the 5th.Wind-power market that China is huge and cheap labor cost have attracted a large amount of external wind-powered electricity generation giants to set up factories in China one after another, or have taked the mode joint with domestic enterprise, and the product of production has all been sticked made in China label.Made in China wind power equipment product occupies the increasing market share, and the blower fan product is experiencing one and made to made in China transformation by the whole world.
Because wind-powered electricity generation belongs to the new energy category, no matter be that cost or technology are compared bigger gap in addition with traditional thermoelectricity, water power.
China is just as the opportune moment of wind-powered electricity generation development, and the wind power equipment market demand increases.The market growth of small-sized wind power generator has a high potential.Therefore Chinese wind-powered electricity generation equipment manufacture industry is prosperous to be continued.Make a general survey of wind-powered electricity generation development country as Germany, Spain, India rapidly, all will have from major product bar none, pay attention to domestic wind power equipment manufacturing " two words ", we want development of national industry, creation independent brand.
Summary of the invention
That low speed, efficient, aircraft aerofoil profile vertical-shaft aerogenerator possess is in light weight, volume is little, noise is little, the ability of breeze wind.Vertical axis aerogenerator the earliest is a kind of structure (Φ type or be called Da Lie) of circular arc double-leaf, because its blowing area is little, it is higher to start wind speed accordingly, is greatly developed always, some trials have been done by part producer, but effect is undesirable all the time.Why adopt the design of Φ type originally and present this H type structure of no use? in fact, because the design of H type vertical axis aerogenerator needs very a large amount of air hole Mechanics Calculation and digital simulation to calculate., small-sized wind power generator is unworthy that it is also quite high to add experimental cost for dropping into huge cost.
Low speed, the aerofoil profile efficient, aircraft aerofoil profile vertical-shaft aerogenerator of our invention is to make the characteristics that basic theory requires in conjunction with vertical-shaft aerogenerator moment, rotating speed with aeronautical dynamics to finish following design objective:
Rated speed 250rpm;
Wind speed 3m/s can start, the 12m/s full load, and 25m/s is a maximum wind speed.
Link rod length 600mm;
Rated output power 1000w.
According to theory analysis before, the index of existing preliminary settlement vane airfoil profile design is as follows:
Maximum lift coefficient C
Lmax〉=1.5; Stalling angle α | C
Lmax〉=15 °; Maximum lift-drag ratio C
L/ C
D-max〉=40; C
L, α=0〉=0.4.
Satisfy simultaneously when more than requiring to wind speed 10m/s.
This report is defined as follows variable symbol:
Tip-speed ratio
Effective tension coefficient C
T=C
LSin α-C
dCos α
According to data λ=5 o'clock, it is maximum that the efficient of blower fan reaches, near 0.4.This moment corresponding air speed V=30m/s.Consider performance requirement, set V=10m/s.This moment λ=15.Blade chord length c=0.3m.
Existing fixed mechanical parameter is:
R＝0.6m；N
b＝5；ω＝250rpm
The aerodynamic force mathematic(al) parameter is:
Temperature T=288.15K=15 ℃; Air density ρ=1.225kg/m
3Wind speed V=10m/s; Reynolds' number
The explanation of computational tool and aerofoil profile type selection calculation result:
By finding the solution the aerodynamic characteristic that the NS equation calculates aerofoil profile under the viscous flow.And, make it to adapt to the Pneumatic Calculation requirement of the aerofoil profile under the Ultra-Low Speed by the modification of relative program.
Adopt aerodynamic principle, at the pneumatic simulation of vertical shaft rotation, blade has been selected the wing shape of aircraft for use, and when wind wheel rotated, it can not be subjected to changing efficient etc. because of distortion.It is formed with 5 blades of vertical line, and the big wind cutting speed of the area of collecting folk songs is fast, and the wheel hub of 5 angular shape is fixed, and connects the wind wheel of the connecting rod composition of blade, is sent to controller by the generating of wind wheel drive rare earth permanent-magnetic generator and controls the electric energy that the transmission ﹠ distribution load is used.
This know-why is according to the aerodynamic force theory, and the tangent plane that Practical Calculation can be chosen vertically-supplying air machine running shaft carries out computation model, presses the blade actual size, and the axis of rotation distance of each blade is a N rice; Simulate pneumatic coefficient calculations with the CFD technology, calculate principle and adopt the discrete digital method to find the solution the aerodynamic force of aerofoil section, with grid method the mobile Vorticity Distribution of reynolds' number is relatively formed under the high reynolds number Navier-Stokes equation is carried out digital simulation calculating principle result.
Embodiment
Because this kind project organization has adopted special air principle of dynamics, the Placement of triangle vector method and the principle of speedup structure; the stressed of wind wheel mainly concentrates on the wheel hub; this structure can not have rotating speed faster by wheel hub; but this structures under wind ability is stronger; characteristics such as noise free and electromagnetic interference be little during running; special also being embodied on the human protection method to physical environment; following small-sized wind power generator is used, and low speed, efficient, aircraft aerofoil profile vertical-shaft aerogenerator are main products.
Use low speed, efficient, aircraft aerofoil profile vertical-shaft aerogenerator superiority is very obvious, the bottleneck of this kind design is fan blade and motor, the motor of H type vertical axis aerogenerator must be a low speed, I use magneto to pass through my speed increaser of design and finish experiment with 1: 4 ratio, when wheel hub rotated 60 commentaries on classics/min, motor had entered fully loaded normal power generation rotating speed.The material of fan blade is that all aluminium alloy drawing craft is in light weight, intensity is high, interchangeability is good, and pure anodic oxidation electrophoretic process is then adopted on the surface, can reach 20 years following working life at the physical environment of any condition.
Low speed, efficient, aircraft aerofoil profile vertical-shaft aerogenerator structural feature:
A. component simple in structure are few
Low speed, efficient, aircraft aerofoil profile vertical-shaft aerogenerator are to design by GB/T13981-1992.
Permanent-magnetic wind driven generator, aluminum alloy fan blade, speed increaser, centre rotational axis, aluminum alloy fan blade connecting rod, totally five big parts.
B. sound construction goes slick
The centre rotational axis rut is to link to each other with screw to install the locking screw then additional with connecting rod, and connecting rod and rut all are that the existing intensity of aluminium alloy structure can not got rusty again, installs simple and conveniently especially, and connecting rod and rut firmly can not become flexible, can not displacement.
C. centre rotational axis
Centre rotational axis has adopted the dissimilar ball bearing combining form of two-stage in the supporting cover for seat, in the rotation of blower fan, centre rotational axis can bear huge responsive to axial force and radial force effect, and running is very flexible.
D. aircraft aerofoil profile wind-exposuring area is big, wind cutting speed is fast, wind energy utilization is high
Five blade structure forms are the requirements according to vertical-shaft fan power, the radius length of design circular movement, optimal design goes out the number of blade, when rotating under the effect of wind wheel at wind-force above 200 revolutions per seconds, at this moment the peripheral structure of blower fan forms three-dimensional face form, his wind flux is at once less than per second 4-6m/s, and the blower fan of this moment reduces rotating speed automatically, and it is crazy that blower fan can not be run.Blower fan is slowed down, protected blower fan and controller, I have utilized mechanical physical arrangement speed limit, am the design's a little skill.
E. speed increaser
Speed increaser used the nylon gear speed increasing ratio 1: 4, and this material is non-maintaining, high-low temperature resistant, motion noiseless.
F. generator is that our patented technology is used widely.
Four, the processing technology of low speed, efficient, aircraft aerofoil profile vertical-shaft aerogenerator
In strict accordance with GB/T13981-1992 design, processing, has good interchangeability.
Five, the reliability diagram of low speed, efficient, aircraft aerofoil profile vertical-shaft aerogenerator
The blower fan all components adopts aluminum alloy processing, and equipment is installed simple, has good interchangeability.
1000W blower fan weight has only 68Kg.Non-maintaining system, the motion noiseless.Corrosion-resistant, anti-aging, the high strength electrophoretic process is adopted on the surface.Motor is exerted oneself greatly, generating capacity strong, system's rotary inertia continues.
Low speed, efficient, wing blade vertical-shaft aerogenerator structure, be exactly to start under the low situation of wind speed for wind-driven generator, keep motor to have enough exerting oneself, this The Application of Technology is fit to the determine most of city and the rural area of China, as long as annual mean at night wind-force is at per second more than 6 meters, the working lipe of wind, low speed, electric energy efficient, that aircraft aerofoil profile vertical-shaft aerogenerator wind-driven generator sends just can be full of the storage battery of 100Ah more than four hours.The aerofoil profile of adopting of low speed, efficient, aircraft aerofoil profile vertical-shaft aerogenerator suppresses with cemented carbide aluminium that to have a volume in light weight little, can have the good effect of collecting folk songs under the situation of any wind direction, low speed, efficient, aircraft aerofoil profile vertical-shaft aerogenerator gross weight are less than 68 kilograms.Foil support is the thick aluminum pipe of the circular 6mm of alloy aluminum, and the two ends design has waterproof disk and motor bearings fixing device.The importing base is arranged below, can be installed in the pipe of diameter 40mm support.Operational noise is less than 65dB, and is noiseless to Environmental Conditions.
Low speed, efficient, aircraft aerofoil profile vertical-shaft aerogenerator, the motor external component is even to adopt salt spray resistance, do not have nanometer material working life of wearing and tearing more than 20 years.Be applicable to island, pasture, operating office, oil exploration etc.; And the farming that can not link of electrical network, herd, the fish area.This product belongs to market prospects application product widely.
Six, the design considerations and the effect of low speed, efficient, aircraft aerofoil profile vertical-shaft aerogenerator
6.1 the design considerations of low speed, efficient, aircraft aerofoil profile vertical-shaft aerogenerator
Every technical order of wind-driven generator meets the requirement of GB10760.1-89 " small-sized wind power generator technical specifications " fully.
Circuit imports base by semi-circular support, enters controller, storage battery, inverter electric device then.He facings the wind without yaw system control blower fan, and when, which kind of wind direction cylinder all can rotate by clockwise direction, the two ends design has waterproof disk and motor bearings fixing device.The importing base is arranged below, can be installed in the pipe of diameter 40mm support.Lead inserts full-bridge interchange is become direct current 48/96VDC or 220VAC electricity, and by the wind-power electricity generation machine controller, electric energy can be from the trend battery stores.The electric energy that stores can be powered to the user by storage battery under the situation of wind energy not having, also can be by the inverter use of directly being incorporated into the power networks.
Low speed, efficient, aircraft aerofoil profile vertical-shaft aerogenerator wind-power electricity generation wing blade height 1.5-1.8 rice, liftoff setting height(from bottom) is a 6-10 rice.Can be installed on the light pole, also can be installed on the special support, base can be used bolt, also can the cement casting mode, and easy for installation, functional reliability is high, simple in structure, non-maintaining, operational noise is less than 65dB, and is noiseless to Environmental Conditions.
The inversion of orthogonal stream
By DC/AC (direct current/Ac) transducer, the DC electrical source of battery pack is changed into the ac power supply of voltage and frequency stabilization.
Illumination is automaticallyed switch
The illumination automatic switchover device can independently be analyzed, low speed, electric energy efficient, aircraft aerofoil profile vertical-shaft aerogenerator are exported the power demand of situation and illumination or other consumer, automatically between electric energy output, the output of battery pack electric energy and the civil power of low speed, efficient, aircraft aerofoil profile vertical-shaft aerogenerator, switch, can maximally utilise, low speed, efficient, aircraft aerofoil profile vertical-shaft aerogenerator electric energy output, the while handoff procedure can be accomplished seamless fully, does not influence or disturb the use of illumination or other consumer.
6.4 low speed, typical case efficient, aircraft aerofoil profile vertical-shaft aerogenerator use
Low speed, electric energy output efficient, aircraft aerofoil profile vertical-shaft aerogenerator can also be used in the suitable any electricity consumption place of wind condition, as farm, orchard, river shoal, plateau military depot, Gobi desert etc.Typical case's applicable cases is as follows:
Herdsman on pastoral area or the grassland, consumer is 2 bulbs, a color television receiver, a DVB, power consumption 300W.
The sentry post of remote districts, consumer comprises that a plurality of light lamps, television set, computer total output are about in the 600W.
The fishing ground mainly needs to supply with illumination and the electricity consumption of a 500W water pump.
Claims (6)
1. the present invention relates to low-speed high-efficiency wing blade vertical-shaft aerogenerator and preparation method thereof, it is characterized in that adopting low-speed high-efficiency airplane ascensional force aerofoil profile, the vertical-shaft aerogenerator characteristics are: rotating speed is low, noiseless, moment of torsion big, aerofoil profile is collected folk songs the efficient height, and the electric power generation ability is strong, the complete machine long service life.Comprise Airfoil Design in its patented technology, core technologies such as the control automatically of generating electricity, speed increaser, alternating direct-current inversion, illumination automatic switchover, by patented technology, new material and current techique are organically integrated, constitute a kind of patent of invention with brand new technical intension.
2. be to make the characteristics that basic theory requires in conjunction with vertical-shaft aerogenerator moment, rotating speed with aeronautical dynamics to finish following design objective: rated speed 250rpm according to the aerofoil profile of claims 1 described vertical-shaft aerogenerator; Wind speed 3m/s can start, the 12m/s full load, and 25m/s is a maximum wind speed.Link rod length 600mm; Rated output power 1000w.Adopt aerodynamic principle, at the pneumatic simulation of vertical shaft rotation, blade has been selected the wing shape of aircraft for use, and when wind wheel rotated, it can not be subjected to changing efficient etc. because of distortion.It is formed with 5 blades of vertical line, and the big wind cutting speed of the area of collecting folk songs is fast, and the wheel hub of pentagon shape is fixed, and connects the wind wheel of the connecting rod composition of blade, is sent to controller by the generating of wind wheel drive rare earth permanent-magnetic generator and controls the electric energy that the transmission ﹠ distribution load is used.This know-why is according to the aerodynamic force theory, and the tangent plane that Practical Calculation can be chosen vertically-supplying air machine running shaft carries out computation model, presses the blade actual size, and the axis of rotation distance of each blade is a N rice; Simulate pneumatic coefficient calculations with the CFD technology, calculate principle and adopt the discrete digital method to find the solution the aerodynamic force of aerofoil section, with grid method the mobile Vorticity Distribution of reynolds' number is relatively formed under the high reynolds number Navier-Stokes equation is carried out digital simulation calculating principle result.
3. meet the requirement of GB10760.1-89 " small-sized wind power generator technical specifications " fully according to every technical order of claims 1 described wind-driven generator.
4. according to claims 1 described DC/AC (direct current/Ac) transducer, the DC electrical source of battery pack is changed into the ac power supply of voltage and frequency stabilization.
5. used the nylon gear speed increasing ratio 1: 4 according to the described speed increaser of claims 1, this material is non-maintaining, high-low temperature resistant, motion noiseless, and nylon is aliphatic, aromatic polymer and the fibre reinforced materials that contains amido link.
According to claims 1 described low-speed high-efficiency wing blade vertical-shaft aerogenerator except on the high residential building in city, using, can also use in the suitable any electricity consumption place of wind condition, as farm, orchard, river shoal, plateau military depot, Gobi desert etc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101500266A CN102192098A (en) | 2010-03-19 | 2010-03-19 | Efficient and low-speed wing-type vertical-shaft wind driven generator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101500266A CN102192098A (en) | 2010-03-19 | 2010-03-19 | Efficient and low-speed wing-type vertical-shaft wind driven generator |
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| CN102192098A true CN102192098A (en) | 2011-09-21 |
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ID=44600807
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| CN2010101500266A Pending CN102192098A (en) | 2010-03-19 | 2010-03-19 | Efficient and low-speed wing-type vertical-shaft wind driven generator |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104847581A (en) * | 2014-02-13 | 2015-08-19 | 艾克斯风力发电有限公司 | Vertical axis wind turbine rotor and airfoil |
| CN113094837A (en) * | 2021-04-26 | 2021-07-09 | 辽宁工程技术大学 | Wind resistance design method of horizontal axis wind turbine blade under strong wind action |
| CN113916424A (en) * | 2021-10-14 | 2022-01-11 | 北京航空航天大学 | Hydraulic power measurement load device and method suitable for high-power high-rotating-speed turbine platform |
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| US20060232076A1 (en) * | 2005-04-14 | 2006-10-19 | Natural Forces, Llc | Reduced friction wind turbine apparatus and method |
| CN201159137Y (en) * | 2008-02-05 | 2008-12-03 | 崔美娟 | Elevating force and resistance mixed vertical axis aerogenerator |
| CN101626165A (en) * | 2008-07-10 | 2010-01-13 | 丁树才 | Self-provided wind power station for high-rise houses |
| CN201420653Y (en) * | 2009-06-29 | 2010-03-10 | 广州都盛机电有限公司 | Wing type automatic-orientation vertical wind wheel device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20060232076A1 (en) * | 2005-04-14 | 2006-10-19 | Natural Forces, Llc | Reduced friction wind turbine apparatus and method |
| CN201159137Y (en) * | 2008-02-05 | 2008-12-03 | 崔美娟 | Elevating force and resistance mixed vertical axis aerogenerator |
| CN101626165A (en) * | 2008-07-10 | 2010-01-13 | 丁树才 | Self-provided wind power station for high-rise houses |
| CN201420653Y (en) * | 2009-06-29 | 2010-03-10 | 广州都盛机电有限公司 | Wing type automatic-orientation vertical wind wheel device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104847581A (en) * | 2014-02-13 | 2015-08-19 | 艾克斯风力发电有限公司 | Vertical axis wind turbine rotor and airfoil |
| CN113094837A (en) * | 2021-04-26 | 2021-07-09 | 辽宁工程技术大学 | Wind resistance design method of horizontal axis wind turbine blade under strong wind action |
| CN113916424A (en) * | 2021-10-14 | 2022-01-11 | 北京航空航天大学 | Hydraulic power measurement load device and method suitable for high-power high-rotating-speed turbine platform |
| CN113916424B (en) * | 2021-10-14 | 2024-02-09 | 北京航空航天大学 | Hydraulic dynamometer load device suitable for high-power high-rotation-speed turbine platform and method thereof |
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Application publication date: 20110921 |