CN107150760A - Supercavitating hydrofoil trimaran - Google Patents
Supercavitating hydrofoil trimaran Download PDFInfo
- Publication number
- CN107150760A CN107150760A CN201710403681.XA CN201710403681A CN107150760A CN 107150760 A CN107150760 A CN 107150760A CN 201710403681 A CN201710403681 A CN 201710403681A CN 107150760 A CN107150760 A CN 107150760A
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- China
- Prior art keywords
- hydrofoil
- hull
- regulation
- recyclable
- propeller
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B1/00—Hydrodynamic or hydrostatic features of hulls or of hydrofoils
- B63B1/32—Other means for varying the inherent hydrodynamic characteristics of hulls
- B63B1/34—Other means for varying the inherent hydrodynamic characteristics of hulls by reducing surface friction
- B63B1/38—Other means for varying the inherent hydrodynamic characteristics of hulls by reducing surface friction using air bubbles or air layers gas filled volumes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B1/00—Hydrodynamic or hydrostatic features of hulls or of hydrofoils
- B63B1/02—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement
- B63B1/10—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with multiple hulls
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B1/00—Hydrodynamic or hydrostatic features of hulls or of hydrofoils
- B63B1/16—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces
- B63B1/24—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces of hydrofoil type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H1/00—Propulsive elements directly acting on water
- B63H1/02—Propulsive elements directly acting on water of rotary type
- B63H1/12—Propulsive elements directly acting on water of rotary type with rotation axis substantially in propulsive direction
- B63H1/14—Propellers
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T70/00—Maritime or waterways transport
- Y02T70/10—Measures concerning design or construction of watercraft hulls
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The invention discloses a kind of supercavitating hydrofoil trimaran.Main hull front end is provided with double bulb bows, hydrofoil is immersed provided with recyclable regulation hydrofoil and fixation in main hull bottom, recyclable regulation hydrofoil and fixed immerse are equipped with cavitation apparatus on hydrofoil, and ducted fan formula propeller is additionally provided with the rear portion that hydrofoil is immersed in afterbody fixation, secondary hull afterbody immerses hydrofoil provided with fixation.The present invention makes the medium of hull surface be changed into gas-vapor mix from water, shipping sail speed is improved, hull can be lifted up, reduces the friction between water and hull, avoiding hull, largely pitching and heaving etc. are adversely affected, and greatly promote the drag reduction efficiency of hydrofoil；Ducted fan formula propeller improves propulsive efficiency, significantly extends the service life of propeller.
Description
Technical field
The present invention relates to novel high-performance shipbuilding field, more particularly to a kind of supercavitating hydrofoil trimaran.
Background technology
21st century is the century of ocean, and this turns into undisputable fact, strengthens, near, off-lying sea control, safeguarding sea
Foreign interests are increasingly becoming the Strategic Demand and competitive target of each ocean big country, ocean development, marine transportation, mobile reactant etc. all with
Ship speed is closely related, and various countries generally believe that this century emphasis of military-civil naval vessel development is high speed.
Wave making resistance of the trimaran under the high speed of a ship or plane, and can be with by the setting of additional hydrofoil well below other ship types
Trimaran is produced upward lift effect, reach the purpose of speedup drag reduction, make the quick sexual clorminance of trimaran more obvious, together
When, the additional hydrofoil of hull has energetically improvement result for the sea-keeping and maneuverability of hull, for ship pitching and heaving
The optimization of influence is especially apparent, and substantially increases the comfortableness of seating.
Hydrofoil speedboat ship bottom is equipped with hydrofoil, supports hull weight by the hydrodynamic force of hydrofoil generation, hull is left the water surface,
To reduce water resistance, the speed of a ship or plane is improved.But, the hydrofoil of hydrofoil speedboat is also immersed in water, is also acted on by water frictional resistance, no
The speed of a ship or plane can be increased substantially.
The content of the invention
For technical problem present in background technology, the present invention provides a kind of supercavitating hydrofoil trimaran, ship resistance
Small, sea-keeping is good, riding comfort is high, is high performance trimaran.
The present invention combines both the single quick ship of hydrofoil and supercavity ship, designs a kind of new high property
The supercavitating hydrofoil trimaran of energy.Supercavitating hydrofoil mechanism is provided with before and after marine propulsion, to eliminate supercavity phenomenon pair
The adverse effect of marine propulsion, makes to utilize supercavity phenomenon to the full extent.
To reach above-mentioned purpose, the technical scheme that the present invention takes is as follows：
The present invention includes major-minor hull, and main hull front end is provided with double bulb bows, and main hull bottom is provided with recyclable regulation water
The wing and fixed immerse are equipped with cavitation apparatus on hydrofoil, two kinds of hydrofoils, and are additionally provided with the rear portion that hydrofoil is immersed in afterbody fixation
Ducted fan formula propeller, secondary hull is provided only with fixation and immerses hydrofoil.
The influence of wave making resistance when double bulb bows of main hull front end of the present invention can reduce hull high speed operation, is that rear is empty
The induction of Hua Qi mechanisms produces stable supercavity phenomenon and laid the foundation.
The present invention produces upward lift by recyclable regulation hydrofoil and the fixed hydrofoil face for immersing hydrofoil, by hull to
On lift, reduce hull wetted areas, and improve the sea-keeping of ship.
The present invention produces supercavity by being arranged on recyclable regulation hydrofoil and the fixed cavitation device induction immersed on hydrofoil
Phenomenon, supercavity and hydrofoil, which coordinate, makes hull lower surface adhere to large quantity of air bubble, and hull resistance is greatly reduced.Air bubble is produced
After can be attached to around hydrofoil, bigger facilitation is had to the effect of the lift of hydrofoil and sea-keeping, lift can be acted on
It is more preferable with sea-keeping.
The propulsion plant of ship of the present invention is ducted fan formula propeller, is avoided by the setting of ducted fan formula propeller
Fore-body supercavity phenomenon reduces to propeller blade and the adverse effect of efficiency, fair water fin, the kuppe of rear propeller
Supercavity influences on the pressure difference of propulsion plant.
The Shuan Bi bows mechanism is located at ship bow part, and the setting of double bulb bows advantageously reduces shadow of the wave making resistance to hull
Ring, compared with single bulb bow mechanism, double bulb bows are conducive to cavitation device stable induction in rear to produce vacuole to reduce hull navigation
When resistance.
Recyclable regulation hydrofoil is respectively equipped with before and after the main hull bottom and hydrofoil, recyclable regulation water are immersed in fixation
The wing immerses stem hydrofoil and afterbody hydrofoil of the hydrofoil respectively as main hull with fixed, and water is immersed in recyclable regulation hydrofoil and fixation
The front end of the wing is installed with supercavity cavitation device；The front portion of main hull bottom is provided with hydrofoil recovery capsule, and hydrofoil recovery capsule is used
Hydrofoil is adjusted in reclaiming, recyclable regulation hydrofoil is arranged on hydrofoil recovery capsule with can storing by hydrofoil retracting device.
Specifically, afterbody fix immerse hydrofoil immerse depth ratio stem it is recyclable regulation hydrofoil it is deeper, prevent high-speed aircraft
During row, stem lifts stem hydrofoil and carries away the water surface, causes the dangerous sailing condition such as shipwreck.
The hydrofoil face of described recyclable regulation hydrofoil is three-stage hydrofoil face, and three-stage hydrofoil face is connected by hydrofoil connecting rod
Hydrofoil retracting device is connected to, hydrofoil connecting rod is NACA wing-shaped structures, and hydrofoil rod surface is through coarse processing；Three-stage hydrofoil face is
Non-smooth surface groove structure, groove is along perpendicular to hull direction of advance arrangement.
There is hydraulic control channel inside hydrofoil connecting rod, pass through the control of hydraulic control recovering mechanism in hydrofoil retracting device
The wing rotation for making the different angles of attack in hydrofoil face is driven through hydraulic control channel.
Described ducted fan formula propeller includes kuppe, the propeller in kuppe and is arranged in spiral
Fair water fin on oar, the blade of propeller is provided with the blade root of propeller fast for supercavity using big oblique seven leaves formula
The hole that speed passes through.
The afterbody bottom surface of the secondary hull is provided with lateral body regulation hydrofoil, and secondary hull interior is provided with hydraulic jack, and lateral body is adjusted
Wing upper end economize on water by connecting rod connection hydraulic jack output end, drives lateral body to adjust hydrofoil oscilaltion by hydraulic jack,
Complete gathering and expansion that lateral body adjusts hydrofoil.
It is wing from NACA standards that hydrofoil and recyclable regulation hydrofoil are immersed in the fixation.
It is described to can adjust the wing speed-optimization that be better achieved under different sea situations, can be with while deployable and collapsible hydrofoil
The danger for avoiding ship from being hit a submerged reef in shallow water area or complicated marine site hydrofoil, farthest ensures the security of navigation.
Specifically, the ducted fan formula propeller, the type propeller at blade tip by duct due to being limited, impact noise
Reduce, induced drag is reduced, and efficiency is higher.
Specifically, the fair water fin, kuppe are portion mechanism after propulsion plant, make its front and rear pressure difference reduction of propulsion, prevent
Adverse effect of the supercavity phenomenon to propeller.In addition the mechanism can improve ship turning performance and greatly improve propeller work
Efficiency.
The present invention solves the technical problem in background technology by the combination of supercavity and hydrofoil well, and cavitation device is lured
Supercavity is given birth in artificial delivery, is allowed the whole hull surface on naval vessel to be covered by bubble, hull is not contacted with water directly, reduces water resistance
Power, improves the speed of a ship or plane.
Compared with prior art, the invention has the advantages that：
1. supercavity Technology application makes the medium of hull surface be changed into gas-vapor mix (bubble) from water, very in trimaran
To entirely air, the reduction of fluid density makes its drag reduction efficiency higher, is fundamentally effectively improved the speed of trimaran.
2. the arrangement of head and the tail hydrofoil makes ship produce upward lift, hull is lifted up, reduces water to a certain extent
Friction between hull, improves shipping sail speed, it is to avoid largely pitching and heaving etc. are adversely affected hull.
Hydrofoil retracting device causes marine operation safety in diving domain and complex water areas.
Cavitation device makes hydrofoil upper surface and hull lower surface realize supercavity phenomenon, greatly promotes drag reduction (shaking) effect of hydrofoil
Rate.
3. ducted fan formula propeller overcomes adverse effect of the supercavity phenomenon to propulsion plant, fair water fin, kuppe
Propulsive efficiency is improved, the service life of propeller is significantly extended.
Brief description of the drawings
Fig. 1 is supercavitating hydrofoil trimaran front view.
Fig. 2 is supercavitating hydrofoil trimaran main hull side view.
Fig. 3 is the secondary hull side view of supercavitating hydrofoil trimaran.
Fig. 4 is the partial enlarged drawing of supercavitating hydrofoil trimaran main hull afterbody.
In figure：1. hydrofoil retracting device, 2. pairs of bulb bows, supercavity cavitation device, 4. recyclable regulation hydrofoils, 5. water before 3.
Wing recovery capsule, supercavity cavitation device after 6., 7. fix and immerse hydrofoil, 8. propellers, 9. fair water fins, 10. kuppes, 11. rudders for ship,
12. hydrofoil connecting rod, 13. hydraulic jacks, 14. lateral bodys regulation hydrofoil.
Embodiment
The invention will be further described with reference to the accompanying drawings and examples.
As shown in figure 1, present invention specific implementation includes main hull and two secondary hulls of both sides, main hull front end is provided with double
Hydrofoil is immersed in bulb bow 2, main hull bottom provided with recyclable regulation hydrofoil and fixation, and two kinds of hydrofoils are equipped with cavitation apparatus, and
And the rear portion for immersing hydrofoil is fixed in afterbody provided with ducted fan formula propeller, secondary hull is provided only with fixation and immerses hydrofoil.
As shown in Fig. 2 main hull bottom before and after be respectively equipped with it is recyclable regulation hydrofoil 4 and fixation immerse hydrofoil 7, can return
Receive regulation hydrofoil 4 and it is fixed immerses first hydrofoil and the tail water wing of the hydrofoil 7 respectively as main hull, recyclable regulation hydrofoil 4 and solid
Surely the front end for immersing hydrofoil 7 is installed with front and rear supercavity cavitation device 3 and 6, the front and rear induction of supercavity cavitation device 3,6 production respectively
Raw stable supercavity；The lift that the supercavity combination hydrofoil that cavitation device induction is produced is produced, greatly improves hull speed, sinks
The first hydrofoil shallow groundwater of wing depth ratio of soaking, plays stable hull under sail.Two hydrofoil lines are on hull axis.
The front portion of main hull bottom is provided with hydrofoil recovery capsule 5, and recyclable regulation hydrofoil 4 can be received by hydrofoil retracting device 1
It is arranged on hydrofoil recovery capsule 5 with receiving.According to specific sea conditions folding and unfolding hydrofoil structure, during navigation, it is possible to achieve hull liter
The control of drop.
As shown in figure 1, the hydrofoil face of recyclable regulation hydrofoil 4 is three-stage hydrofoil face, three-stage hydrofoil face passes through hydrofoil
Connecting rod 12 is connected to hydrofoil retracting device 1, and hydrofoil connecting rod 12 is NACA wing-shaped structures, the surface of hydrofoil connecting rod 12 through coarse processing,
Preferable hull can be produced with traveling wave.To realize the quick sailing of trimaran.
In specific implementation, hydrofoil retracting device 1 includes the mechanisms such as hydraulic control recovering mechanism, control chuck, locking mechanism.
There is hydraulic control channel inside hydrofoil connecting rod 12, by the control of hydraulic control recovering mechanism in hydrofoil retracting device 1 through liquid
Control passage is pressed to drive the wing rotation for making the different angles of attack in hydrofoil face.There is gear lock deadlock structure on control chuck, recovery is finished
Locking device, releases wing same meeting locking device.
Three-stage hydrofoil face is Non-smooth surface groove structure, and groove is along perpendicular to hull direction of advance arrangement, and this design is in ship
During navigation, water body and aerofoil, which are produced in rolling friction, rather than sliding friction, grooved surface, can have quiet low velocity fluid, reduce
The loss in wing face, extends the wing life-span.
As shown in figure 3, the afterbody bottom surface of secondary hull is provided with lateral body regulation hydrofoil 14, secondary hull interior is provided with hydraulic jack
13, lateral body adjusts the upper end of hydrofoil 14 and connects the output end of hydraulic jack 13 by connecting rod, drives lateral body to adjust by hydraulic jack 13
The regulation of the water saving wing 14, regulation includes regulation up and down and angle of attack conversion, completes gathering and expansion that lateral body adjusts hydrofoil 13.
Ducted fan formula propeller includes kuppe 10, the propeller 8 in kuppe 10 and is arranged in spiral
Fair water fin 9 on oar 8, influence of the supercavity to propeller 8 is eliminated by fair water fin 9 and kuppe 10, and the blade of propeller 8 is adopted
With big oblique seven leaves formula, and be provided with the blade root of propeller 8 for supercavity quickly through hole.
Hydrofoil 7 (the tail water wing) and recyclable regulation hydrofoil 4 (first hydrofoil) are immersed in main hull bottom provided with fixed, during navigation,
First hydrofoil provides upward lift for ship, afterbody main wing preferably solves the problem of hull after draft is deep, it is to avoid hull
Largely pitching and heaving etc. are adversely affected.
Cavitation device in front of hydrofoil produces supercavity, hydrofoil upper surface and hull lower surface is realized supercavity phenomenon, greatly
The drag reduction of big lifting hydrofoil (shakes) efficiency.
Ship propulsion plant is to be equipped with hole at big oblique seven leaves ducted fan formula propeller, propeller blade root, and guide margin is at blade root
Stick up slightly up, to reduce local negative angle of attack.Rear propeller sets the shadow that fair water fin, kuppe make propeller eliminate supercavity
Ring, improve life-span and the efficiency of propulsion plant.
Claims (7)
1. a kind of supercavitating hydrofoil trimaran, including major-minor hull, it is characterised in that：Main hull front end is provided with double bulb bows (2),
Main hull bottom is equipped with cavitation apparatus provided with recyclable regulation hydrofoil and fixed immerse on hydrofoil, two kinds of hydrofoils, and in tail
The rear portion that hydrofoil is immersed in portion's fixation is additionally provided with ducted fan formula propeller, and secondary hull afterbody is provided only with fixation and immerses hydrofoil.
2. a kind of supercavitating hydrofoil trimaran according to claim 1, it is characterised in that：The main hull bottom it is front and rear
It is respectively equipped with recyclable regulation hydrofoil (4) and fixes and immerse hydrofoil (7), hydrofoil (7) is immersed in recyclable regulation hydrofoil (4) and fixation
Front end be installed with preceding supercavity cavitation device (3) and rear supercavity cavitation device (6) respectively；The front portion of main hull bottom is provided with
Hydrofoil recovery capsule (5), recyclable regulation hydrofoil (4) is arranged on hydrofoil recovery capsule with can storing by hydrofoil retracting device (1)
(5)。
3. a kind of supercavitating hydrofoil trimaran according to claim 1, it is characterised in that：Described recyclable regulation hydrofoil
(4) hydrofoil face is three-stage hydrofoil face, and three-stage hydrofoil face is connected to hydrofoil retracting device (1) by hydrofoil connecting rod (12),
Hydrofoil connecting rod (12) is NACA wing-shaped structures, and hydrofoil connecting rod (12) surface is through coarse processing；Three-stage hydrofoil face is Non-smooth surface ditch
Slot structure, groove is along perpendicular to hull direction of advance arrangement.
4. a kind of supercavitating hydrofoil trimaran according to claim 3, it is characterised in that：Exist inside hydrofoil connecting rod (13)
Hydraulic control channel, water is driven by the control of hydraulic control recovering mechanism in hydrofoil retracting device (1) through hydraulic control channel
The wing rotation for making the different angles of attack of aerofoil.
5. a kind of supercavitating hydrofoil trimaran according to claim 1, it is characterised in that：Described ducted fan formula spiral
Oar includes kuppe (10), the propeller (8) in kuppe (10) and the fair water fin being arranged on propeller (8)
(9), the blade of propeller (8) is using big oblique seven leaves formula, and is provided with and quickly leads to for supercavity at the blade root of propeller (8)
The hole crossed.
6. a kind of supercavitating hydrofoil trimaran according to claim 1, it is characterised in that：The afterbody bottom surface of the secondary hull
Lateral body regulation hydrofoil (13) is installed, secondary hull interior is provided with hydraulic jack (14), and lateral body adjusts hydrofoil (13) upper end and passed through even
Extension bar connects hydraulic jack (14) output end, drives lateral body to adjust hydrofoil (13) oscilaltion by hydraulic jack (14), completes
The gathering and expansion of lateral body regulation hydrofoil (13).
7. a kind of supercavitating hydrofoil trimaran according to claim 1, it is characterised in that：Hydrofoil (7) is immersed in the fixation
It is wing from NACA standards with recyclable regulation hydrofoil (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710403681.XA CN107150760B (en) | 2017-06-01 | 2017-06-01 | Supercavitation hydrofoil trimaran |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710403681.XA CN107150760B (en) | 2017-06-01 | 2017-06-01 | Supercavitation hydrofoil trimaran |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107150760A true CN107150760A (en) | 2017-09-12 |
| CN107150760B CN107150760B (en) | 2023-10-10 |
Family
ID=59795008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710403681.XA Active CN107150760B (en) | 2017-06-01 | 2017-06-01 | Supercavitation hydrofoil trimaran |
Country Status (1)
| Country | Link |
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| CN (1) | CN107150760B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107719578A (en) * | 2017-11-09 | 2018-02-23 | 舟山市定海兴舸船舶设计有限公司 | A kind of trimaran |
| CN108327844A (en) * | 2018-04-10 | 2018-07-27 | 山东大学 | Flange plate type auxiliary propulsion ship |
| CN108407967A (en) * | 2018-04-09 | 2018-08-17 | 五洋纵横（北京）科技有限公司 | A kind of trimaran |
| CN108482575A (en) * | 2018-03-25 | 2018-09-04 | 哈尔滨工程大学 | A kind of adjustable hydrofoil unit peculiar to vessel |
| CN110615061A (en) * | 2019-09-16 | 2019-12-27 | 哈尔滨工程大学 | High-speed warship with supercavitation |
| CN112238921A (en) * | 2019-07-17 | 2021-01-19 | 章洪 | Supercavitation hydrofoil ship |
| CN112424062A (en) * | 2018-07-20 | 2021-02-26 | 三菱造船株式会社 | Ship with a detachable cover |
| CN112693585A (en) * | 2021-01-15 | 2021-04-23 | 中国船舶科学研究中心 | Device for improving root cavitation of propeller for high-speed ship and using method thereof |
| JP7199585B1 (en) | 2022-05-10 | 2023-01-05 | 勉 桐山 | ocean current trimaran |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107719578A (en) * | 2017-11-09 | 2018-02-23 | 舟山市定海兴舸船舶设计有限公司 | A kind of trimaran |
| CN107719578B (en) * | 2017-11-09 | 2023-11-07 | 舟山市定海兴舸船舶设计有限公司 | Trimaran |
| CN108482575A (en) * | 2018-03-25 | 2018-09-04 | 哈尔滨工程大学 | A kind of adjustable hydrofoil unit peculiar to vessel |
| CN108407967A (en) * | 2018-04-09 | 2018-08-17 | 五洋纵横（北京）科技有限公司 | A kind of trimaran |
| CN108327844A (en) * | 2018-04-10 | 2018-07-27 | 山东大学 | Flange plate type auxiliary propulsion ship |
| CN112424062A (en) * | 2018-07-20 | 2021-02-26 | 三菱造船株式会社 | Ship with a detachable cover |
| CN112238921A (en) * | 2019-07-17 | 2021-01-19 | 章洪 | Supercavitation hydrofoil ship |
| CN110615061B (en) * | 2019-09-16 | 2021-10-19 | 哈尔滨工程大学 | High-speed warship with supercavitation |
| CN110615061A (en) * | 2019-09-16 | 2019-12-27 | 哈尔滨工程大学 | High-speed warship with supercavitation |
| CN112693585A (en) * | 2021-01-15 | 2021-04-23 | 中国船舶科学研究中心 | Device for improving root cavitation of propeller for high-speed ship and using method thereof |
| JP7199585B1 (en) | 2022-05-10 | 2023-01-05 | 勉 桐山 | ocean current trimaran |
| WO2023218750A1 (en) * | 2022-05-10 | 2023-11-16 | 桐山 勉 | Trimaman for ocean current power generation |
| JP2023166671A (en) * | 2022-05-10 | 2023-11-22 | 勉 桐山 | Three-hull vessel for ocean current power generation |
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| Publication number | Publication date |
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| CN107150760B (en) | 2023-10-10 |
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