CN106870269A - A kind of marine tidal-current energy and vortex-induced vibration energy composite generating set - Google Patents
A kind of marine tidal-current energy and vortex-induced vibration energy composite generating set Download PDFInfo
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- CN106870269A CN106870269A CN201710133231.3A CN201710133231A CN106870269A CN 106870269 A CN106870269 A CN 106870269A CN 201710133231 A CN201710133231 A CN 201710133231A CN 106870269 A CN106870269 A CN 106870269A
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- 239000002131 composite material Substances 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052802 copper Inorganic materials 0.000 claims abstract description 14
- 239000010949 copper Substances 0.000 claims abstract description 14
- 229920001971 elastomer Polymers 0.000 claims description 6
- 239000000806 elastomer Substances 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 10
- 230000010355 oscillation Effects 0.000 abstract description 9
- 238000010586 diagram Methods 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
- F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
- F03B13/26—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using tide energy
- F03B13/264—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using tide energy using the horizontal flow of water resulting from tide movement
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
- H02K7/1807—Rotary generators
- H02K7/1823—Rotary generators structurally associated with turbines or similar engines
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/18—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
- H02N2/185—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators using fluid streams
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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
- Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Oceanography (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The invention provides a kind of marine tidal-current energy and vortex-induced vibration energy composite generating set, including tidal current energy water turbine and vortex-induced vibration energy acquisition equipment；Generator, distribution box and the rectifying and voltage-stabilizing device being sequentially connected by wire and impeller are provided with tidal current energy water turbine generator bay, vortex-induced vibration energy acquisition equipment connects the piezoelectric patches in oscillator and housing rear end face including the housing on rear side of single-pile foundation, two ends respectively along the oscillator and two ends of the slide for being arranged on housing top surface and bottom surface, the termination that piezoelectric patches is connected with housing rear end face is provided with conductive copper sheet, and conductive copper sheet is sequentially connected rectifying and voltage-stabilizing device and distribution box in generator bay by wire.Current enter housing after running into hydraulic turbine single-pile foundation, the whirlpool for alternately coming off is produced in the both sides of pile foundation, Vortex-excited vibration is formed during by oscillator, due to wake galloping effect, the Oscillation Amplitude that the general Vortex-excited vibration of oscillator vibration Amplitude Ratio causes is bigger, oscillator drives piezoelectric patches to be swung along guide rail, and mechanical energy is converted into electric energy.
Description
Technical field
The present invention relates to ocean energy development and utilization field, and in particular to a kind of ocean power generating device.
Background technology
Ocean energy refers to the energy produced using marine motor process, and it is different from conventional fossil fuel, in production capacity
During do not produce waste gas, waste water, environmental pollution is small, and ocean energy reserves are abundant, as the renewable energy having a high potential
Source.
In the middle of the ocean energy of form of ownership, marine tidal-current energy is the energy that a kind of utilization tidewater horizontal movement is extracted, because damp
Stream has certain periodicity, and energy density is big, and predictability is high, and attracting attention more is carried out in recent years.At present, marine tidal-current energy
TRT mainly has three kinds of forms, respectively horizontal axial type tidal current energy water turbine, perpendicular axis type tidal current energy water turbine and vibration
Formula tidal current energy generating equipment.Horizontal axial type tidal current energy water turbine because start convenience, delivery efficiency high, simple structure the features such as into
For main marine tidal-current energy utilizes form.
Except marine tidal-current energy, vortex-induced vibration can in recent years have become one new study hotspot of ocean energy development field.Sea
In foreign engineering, when current flow through body surface, the whirlpool on detaching structure thing surface, this friendship can be alternately produced in object both sides
For provide whirlpool can body surface generation crossing current to pulse, if now cylinder be resilient support, can just make
Object produces periodic oscillation crosswise.In vortex-induced vibration, wake galloping is a kind of more special phenomenon, and it refers to when heel row circle
When post is in the wake flow Tuo Wo areas of front-seat cylinder, due to the excitation in the de- whirlpool of front-seat cylinder, the Oscillation Amplitude of heel row cylinder typically can
More than common vortex-induced vibration；When de- whirlpool frequency and same or like cylinder intrinsic frequency, now Oscillation Amplitude is larger.
In practical application, horizontal axial type tidal current energy water turbine pile foundation often uses cylindrical cross section.If using whirlpool exciting
Dynamic principle and wake galloping effect, can improve the Oscillation Amplitude of vortex-induced vibration generating equipment, increase pile foundation rear flow energy
Conversion.And it is current, for extract tidal current energy water turbine pile foundation rear flow field flow energy, there is no this aspect patent and
Research report.
The content of the invention
Goal of the invention：The purpose of the present invention is to solve the shortcomings of the prior art, there is provided a kind of marine tidal-current energy and vortex-induced vibration
Energy composite generating set, using vortex-induced vibration principle and wake galloping effect, maximizes after collecting tidal current energy water turbine pile foundation
The flow energy of side, improves energy extraction efficiency.
Technical scheme：The invention provides a kind of marine tidal-current energy and vortex-induced vibration energy composite generating set, including marine tidal-current energy water
Turbine and vortex-induced vibration energy acquisition equipment；
The single-pile foundation of the tidal current energy water turbine including cylinder, the generator bay for being fixed on single-pile foundation top and
The impeller rotated centered on the connecting shaft installed in generator bay end, is provided with by wire and impeller in the generator bay
Generator, distribution box and the rectifying and voltage-stabilizing device being sequentially connected；
The vortex-induced vibration energy acquisition equipment is arranged on shell including the housing on rear side of the single-pile foundation, two ends edge
The oscillator of the slide of body top surface and bottom surface and two ends connect the piezoelectric patches in oscillator and housing rear end face, the piezoelectricity respectively
The termination that piece is connected with housing rear end face is provided with conductive copper sheet, and the conductive copper sheet is sequentially connected positioned at generator bay by wire
In rectifying and voltage-stabilizing device and distribution box.
Inventive principle：Current enter housing after running into hydraulic turbine single-pile foundation, are produced in the both sides of pile foundation and alternately come off
Whirlpool, these alternately the whirlpool that comes off by vortex-induced vibration energy acquisition equipment oscillator when, form Vortex-excited vibration.Due to wake flow
Galloping effect, the Oscillation Amplitude that the general Vortex-excited vibration of oscillator vibration Amplitude Ratio causes is bigger.Oscillator drives piezoelectric patches along guide rail
Swing, due to piezo-electric effect phenomenon, mechanical energy is converted into electric energy.By wire, tidal current energy water turbine device and whirlpool are swashed
Vibrational energy acquisition equipment produce electric energy, be connected to distribution box, can by pull the wire by the electrical energy transportation in distribution box ashore
Power station.
Further, hollow connecting rod is provided between the generator bay and housing, conductive copper sheet and rectifying and voltage-stabilizing is connected
The wire of device through being attached in connecting rod, meanwhile, connecting rod enables that vortex-induced vibration acquisition equipment can be with trend
Can water turbine equipment and change direction, it is ensured that vortex-induced vibration energy device is arranged in current downstream.
Further, the top surface of the housing and ground is corresponding offers cambered way, the guide rail is arranged in slideway,
The two ends of oscillator are provided with annular distance, and guide rail makes oscillator along slide through annular distance.
Further, the both sides of the oscillator annular distance connect slideway two ends by spring respectively.
Further, the piezoelectric patches is made up of piezoceramic material.
Further, the piezoelectric patches Surface coating has sealed elastomer, and protection piezoelectric patches will not be subject to sea water intrusion
Influence, the conductive copper sheet is interposed between piezoelectric patches and sealed elastomer.
Further, the housing top surface and bottom surface are provided with the circular port passed through for single-pile foundation, the single-pile foundation and circle
The circumference and the side wall correspondence of circular port that shape hole coordinates offer the groove slided for ball so that housing can be with single-pile foundation
Center swings around it.
Beneficial effect：1st, piezoelectric patches free end is fixed on same vibrating body so that piezoelectric patches stress and Oscillation Amplitude
It is identical, produce the characteristic of electric energy consistent；
2nd, vortex-induced vibration energy acquisition equipment is connected with tidal current energy water turbine generator bay, make use of existing marine tidal-current energy water wheels
The characteristics of machine can go off course so that vortex-induced vibration energy acquisition equipment is always positioned at water (flow) direction pile foundation rear, improves whirlpool and swashs
Vibrational energy extraction efficiency；
3rd, in the device design phase, according to specific streamflow regime, by selecting suitable vibrating body diameter, density and shell
Spring modulus on body in hypovalve slideway, thus it is possible to vary the vibration frequency of vibrating body, makes it in specific water environment
In can be consistent or close with the de- whirlpool frequency of vibrating body, increase Oscillation Amplitude；
4th, vibrating body is arranged in tidal current energy water turbine pile foundation rear, makes full use of Vortex-excited vibration and wake galloping to imitate
Should, piezoelectric patches can be driven to produce stronger vibration, so as to improve piezoelectric efficiency；
5th, the flow energy at tidal current energy water turbine pile foundation rear can be extracted, current energy extraction efficiency is improved；And it is straight
Connect and flow energy is converted into electric energy, efficiency high by vibrational energy form.
Brief description of the drawings
Fig. 1 is the structural representation of composite generating set of the present invention；
Fig. 2 is piezoelectric patches scheme of installation；
Fig. 3 is hypovalve schematic diagram on housing；
Fig. 4 is housing rear end face schematic diagram；
Fig. 5 is single-pile foundation and housing coupling part point schematic diagram.
Specific embodiment
Technical solution of the present invention is described in detail below, but protection scope of the present invention is not limited to the implementation
Example.
Embodiment：A kind of marine tidal-current energy and vortex-induced vibration energy composite generating set, as shown in figure 1, including tidal current energy water turbine 2
With vortex-induced vibration energy acquisition equipment 1.
Tidal current energy water turbine 2 includes impeller 21, rotary shaft 22, single-pile foundation 24 and generator bay 23, and single-pile foundation 24 is
One vertical cylinder, the top of single-pile foundation 24 is fixed with generator bay 23, and the inner furnishings of generator bay 23 have and connected by wire 6
Brake device of water turbine 231, hydraulic turbine generator 232, rectifying and voltage-stabilizing device 233 and the distribution box 234 for connecing.The end of generator bay 23
Portion is provided with connecting shaft 22 vertically, the impeller 21 of the hydraulic turbine 2 by connecting shaft 22 be centered on rotate.
Vortex-induced vibration energy acquisition equipment 1 includes housing 11, oscillator 121 and piezoelectric patches 13, and housing 11 is by upper hypovalve 111
Constituted with rear end face 112, installed in the rear side of single-pile foundation 24.Rear end face 112 is centrally located by one and connects vertically
The vertical beam 4 for connecting hypovalve 111 is constituted, and the both sides of vertical beam 4 are the breach 5 do not closed, supply water stream through, it is ensured that water velocity is not
Can reduce.The front portion of lower casing 111 is provided with and is available for single-pile foundation 24 to erect with the diameter identical circular port of single-pile foundation 24 on housing 11
Direct puncture mistake, single-pile foundation 24 is provided with groove 241 for one week with the cooperation of circular port 113, and the side wall of circular port is again provided with groove
113, two grooves are combined and are available for ball 7 in its roll inside, are made housing 11 and the activity connection of single-pile foundation 24 using ball 7
Housing 11 is swung around pile foundation circular motion, as shown in Figure 5.
The upper hypovalve 111 of housing 11 is provided with and guide rail 141 is set in corresponding cambered way 14, slideway 14.Oscillator 121
Upper and lower ends are the sliding block 122 being embedded in slideway 14, and annular distance 123 is provided with sliding block 122, positioned at the guide rail 141 of upper hypovalve 11
Correspond to through annular distance 123 up and down of oscillator 121 respectively, slip of the annular distance 123 on guide rail 141 drives the two ends edge of oscillator 121
Slideway 14 is moved, as shown in Figure 3.In each slideway 14, the both sides of sliding block 122 are connected to the two of slideway 14 by spring respectively
End, on the one hand can adjust the intrinsic frequency of vibrating body by adjusting the elastic modelling quantity of spring, make its closer to de- whirlpool frequency, more
Be conducive to producing wake galloping effect；On the other hand, vibrating body can reset in vibration processes.
Piezoelectric patches 13 is made up of piezoceramic material, has sealed elastomer 131 in its Surface coating.Such as Fig. 2 institutes
Show, the two ends of piezoelectric patches 13 connect the vertical beam 4 of oscillator 121 and the rear end face 112 of housing 11 respectively, by being embedded in oscillator 121 and erecting
The locating slot 41 opened up on beam 4 is fixed, as shown in Figure 4.The one end being connected with vertical beam 4 is in sealed elastomer 131 and pressure
Conductive copper sheet 132 is gripped between electric piece 13, conductive copper sheet 132 is sequentially connected whole in generator bay 23 by wire 6
Stream stable-pressure device 233 and distribution box 234.Hollow connection is provided between the bottom surface of generator bay 23 and the epivalve of housing 114
Bar 3, the termination junction of bar is provided with preformed hole, and the wire 6 that conductive copper sheet 132 is connected with rectifying and voltage-stabilizing device 233 is along vertical beam 4
With the through hole that passes through of confession wire 6 and connecting rod 3, preformed hole set in epivalve through being connected with each other.Work as marine tidal-current energy
With driftage function, i.e. its impeller 21 as water (flow) direction changes, rotation direction, the setting of connecting rod 3 can guarantee that the hydraulic turbine 2
The moment of vortex-induced vibration energy acquisition equipment 1 is arranged in current downstream, follows generator bay 23 to swing.
When current come from marine tidal-current energy and vortex-induced vibration energy composite generating set left end, current can drive turbine impeller
21 are rotated, and wheel rotation mechanical energy is converted into electric energy by hydraulic turbine generator by 232, and delivers the power to match somebody with somebody by wire 6
Electronic box 234.When current are by tidal current energy water turbine pile foundation, the whirlpool that the alternating of fixed frequency is released, the eddy-currents are formed
Enter in housing 11 through single-pile foundation 24, cause the Vortex-excited vibration of oscillator 121, due to wake galloping effect, the vibration of oscillator 121
Amplitude can be further strengthened.By adjusting the elastic modelling quantity of the diameter of oscillator 121, density and the slideway inner spring of housing 11, can
To adjust the intrinsic frequency of oscillator 121, when the intrinsic frequency and equal de- whirlpool frequency of oscillator 121, the now vibration of oscillator 121 width
Degree is maximum.Oscillator 121 drives piezoelectric patches 13 to be swung along slideway 14, due to piezo-electric effect, mechanical energy is converted directly into electric energy,
The wire 6 of conductive copper sheet 132 is connected by the part electrical energy transportation to rectifying and voltage-stabilizing device 233, by the electric current shape of the part electric energy
Formula is converted to direct current and is being transported to distribution box 234；Distribution box 234 can be delivered the power on the bank by bracing wire.
In the device design phase, can be according to specific applicable cases, it is considered to including flow rate of water flow flow direction, tidal current energy water turbine
The parameters such as pile foundation diameter, by analogue simulation, select the elastic modelling quantity of suitable vibrating body diameter, density and spring, so that
Obtaining vibrating body Oscillation Amplitude can be maintained at interior in a big way, improve generated energy.
When current direction of flow changes, vortex-induced vibration energy acquisition equipment 1 is due to by connecting rod 3 and marine tidal-current energy water
Turbine generator cabin 23 is connected, and as tidal current energy water turbine is gone off course, vortex-induced vibration energy acquisition equipment housing 11 is anterior and water wheels
The activity connection of machine pile foundation 23, vortex-induced vibration energy acquisition equipment can be moved around pile foundation so that vortex-induced vibration energy acquisition equipment
Water (flow) direction positive downstream is always positioned at, vortex-induced vibration energy capture rate is improved.
The present invention can connect multiple piezoelectric patches 13, on vertical beam 4 according to actual conditions in vortex-induced vibration energy acquisition equipment
The locating slot 41 of respective number is opened up, and the two ends of piezoelectric patches 13 are embedded in locating slot 41 in oscillator 121 and vertical beam 4 respectively；Along
Tidal current energy water turbine pile foundation longitudinal direction, similarly can be set multiple vortex-induced vibration energy acquisition equipment；These vortex-induced vibrations be able to can be caught
Obtain device and same rectifying and voltage-stabilizing device 233 and distribution box 234 are connected to by wire 6.
Claims (7)
1. a kind of marine tidal-current energy and vortex-induced vibration energy composite generating set, it is characterised in that：Including tidal current energy water turbine and whirlpool exciting
Kinetic energy acquisition equipment；
The tidal current energy water turbine includes the single-pile foundation of cylinder, is fixed on the generator bay on single-pile foundation top and to pacify
The impeller rotated centered on the connecting shaft of generator bay end, is provided with by wire and impeller successively in the generator bay
Connected generator, distribution box and rectifying and voltage-stabilizing device；
The vortex-induced vibration energy acquisition equipment is arranged on housing top including the housing on rear side of the single-pile foundation, two ends edge
The oscillator of the slide of face and bottom surface and two ends connect the piezoelectric patches in oscillator and housing rear end face respectively, the piezoelectric patches with
The termination of housing rear end face linking is provided with conductive copper sheet, and the conductive copper sheet is sequentially connected in generator bay by wire
Rectifying and voltage-stabilizing device and distribution box.
2. marine tidal-current energy according to claim 1 and vortex-induced vibration energy composite generating set, it is characterised in that：The generator
It is provided with hollow connecting rod between cabin and housing, the wire of connection conductive copper sheet and rectifying and voltage-stabilizing device is through entering in connecting rod
Row connection.
3. marine tidal-current energy according to claim 1 and vortex-induced vibration energy composite generating set, it is characterised in that：The housing
Top surface and ground is corresponding offers cambered way, the guide rail is arranged in slideway, and the two ends of oscillator are provided with annular distance, and guide rail is worn
Crossing annular distance makes oscillator along slide.
4. marine tidal-current energy according to claim 3 and vortex-induced vibration energy composite generating set, it is characterised in that：The oscillator ring
The both sides in hole connect slideway two ends by spring respectively.
5. marine tidal-current energy according to claim 1 and vortex-induced vibration energy composite generating set, it is characterised in that：The piezoelectric patches
It is made up of piezoceramic material.
6. marine tidal-current energy and vortex-induced vibration energy composite generating set according to claim 1 or 5, it is characterised in that：The pressure
Electric piece Surface coating has sealed elastomer, and the conductive copper sheet is interposed between piezoelectric patches and sealed elastomer.
7. marine tidal-current energy according to claim 1 and vortex-induced vibration energy composite generating set, it is characterised in that：The housing top
Face and bottom surface are provided with the circular port passed through for single-pile foundation, circumference and the side of circular port that the single-pile foundation coordinates with circular port
Wall correspondence offers the groove slided for ball.
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| CN201710133231.3A CN106870269B (en) | 2017-03-08 | 2017-03-08 | A kind of marine tidal-current energy and vortex-induced vibration energy composite generating set |
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| CN201710133231.3A CN106870269B (en) | 2017-03-08 | 2017-03-08 | A kind of marine tidal-current energy and vortex-induced vibration energy composite generating set |
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| CN106870269B CN106870269B (en) | 2018-09-21 |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107681921A (en) * | 2017-10-31 | 2018-02-09 | 长春工业大学 | A kind of multi-modal piezoelectric generator for the energy supply of pneumatic system Internet of things node |
| CN109267668A (en) * | 2018-11-16 | 2019-01-25 | 郑州大学 | A kind of broken whirlpool device of the spin inhibiting steel pipe tall and slender structure vortex-induced vibration |
| CN110469451A (en) * | 2019-08-29 | 2019-11-19 | 哈尔滨工程大学 | It is a kind of to comprehensively utilize the linear marine tidal-current energy conversion equipment rotatably to generate electricity |
| CN110685850A (en) * | 2019-10-29 | 2020-01-14 | 江苏科技大学 | Wind energy and wave energy combined power generation device |
| CN110735766A (en) * | 2019-10-29 | 2020-01-31 | 江苏科技大学 | Floating type base integrated power generation device for comprehensively utilizing ocean energy sources |
| CN110805515A (en) * | 2019-10-29 | 2020-02-18 | 江苏科技大学 | Flow-induced vibration combined power generation device |
| CN110985322A (en) * | 2020-01-02 | 2020-04-10 | 广州大学 | Wake flow galloping power generation device |
| CN111114698A (en) * | 2019-12-13 | 2020-05-08 | 浙江大学 | Multifunctional buoy for combined power generation of solar energy, wave energy and vortex-induced vibration energy |
| CN112161777A (en) * | 2020-09-28 | 2021-01-01 | 河海大学 | Experimental device for simulating movement change of water turbine |
| CN112407139A (en) * | 2020-11-14 | 2021-02-26 | 西北工业大学 | Flapping wing wake flow control active drag reduction method for underwater vehicle |
| CN112855299A (en) * | 2020-12-31 | 2021-05-28 | 南京航空航天大学 | Vortex-induced oscillation and swing power generation device and method used in fluid pipeline |
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| CN107681921A (en) * | 2017-10-31 | 2018-02-09 | 长春工业大学 | A kind of multi-modal piezoelectric generator for the energy supply of pneumatic system Internet of things node |
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| CN112161777B (en) * | 2020-09-28 | 2021-12-07 | 河海大学 | Experimental device for simulating movement change of water turbine |
| CN112407139A (en) * | 2020-11-14 | 2021-02-26 | 西北工业大学 | Flapping wing wake flow control active drag reduction method for underwater vehicle |
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