CN101879935A - Drag-reducing device of anti-rolling fin of ship wing flap - Google Patents
Drag-reducing device of anti-rolling fin of ship wing flap Download PDFInfo
- Publication number
- CN101879935A CN101879935A CN 201010209330 CN201010209330A CN101879935A CN 101879935 A CN101879935 A CN 101879935A CN 201010209330 CN201010209330 CN 201010209330 CN 201010209330 A CN201010209330 A CN 201010209330A CN 101879935 A CN101879935 A CN 101879935A
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- fin
- wing flap
- stabilizer
- baffle plate
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Abstract
The invention provides a drag-reducing device of a anti-rolling fin of a ship wing flap, comprising a fin and a wing flap, wherein one end of the fin is provided with a fin shaft; one end of the wing flap is provided with a wing flap fin shaft; the fin shaft and the wing flap fin shaft are connected with a ship hull; the upper fin surface at the free end of the fin is provided with an upper fin surface baffle, and the lower fin surface at the free end of the fin is provided with a lower fin surface baffle; the upper wing flap fin surface at the free end of the wing flap is provided with an upper wing flap fin surface baffle, and the lower wing flap fin surface at the free end of the wing flap is provided with a lower wing flap fin surface baffle. The invention has simple structure and easy installation and realization and can effectively reduce the induced resistance of a fin stabilizer, enhance the lift efficiency of the anti-rolling fin of the wing flap, prevent a water flow medium cavitation phenomenon from generation and enhance the anti-rolling effect of the anti-rolling fin of the wing flap and the safety and the economy of ship navigation.
Description
Technical field
What the present invention relates to is a kind of antirolling apparatus of boats and ships, specifically be the wing flap stabilizer the resistance device falls.
Background technology
In the device of boats and ships rollstabilization, stabilizer is a kind of antirolling apparatus that lift effectively is provided.Stabilizer is a kind of control aerofoil of airfoil type, because the existence of wingtip, in ship running, the last fin face of stabilizer and following fin face are because flow rate of water flow different, there is certain pressure difference in two fin faces, then current can forward low pressure one side to from high pressure one side at free end, and near the current the fin wingtip are just because of flowing backward and upwards streaming the formation tip vortex that twists.The rotation of tip vortex has produced washes and following wash water stream, and the lift of stabilizer is changed, and induced drag produces thereupon.The speed of eddy current is high more, and the low pressure that is generated may reach the cavitation (cavity promptly occurring) of liquid, causes the lift divergence of stabilizer, and can cause degrading and noise of fin face, has reduced the stabilizing efficiency of stabilizer, the harm shipping navigation safety.
In order to improve the stabilizing efficiency of stabilizer, stabilizer is designed to have the version of wing flap, because the effect of wing flap, the lift of this wing flap stabilizer is bigger than the lift of common stabilizer, but this kind structure fails to reduce the induced drag that produces because of tip vortex, " induced drag " is the important component part of the suffered resistance of ship stabilization fin, is the principal element that influences the stabilizer performance.Therefore reducing the induced drag that wing flap stabilizer tip vortex causes can improve ship stabilization fin hydrodynamic property, improve stabilizer and subtract and shake performance and shipping navigation safety, and can reduce expensive fuel oil consumption, this is all significant for various boats and ships.
Summary of the invention
The object of the present invention is to provide a kind of induced drag that can reduce the wing flap stabilizer, improve stabilizer and subtract and shake performance, and can reduce the drag-reducing device of anti-rolling fin of ship wing flap of expenditure of energy.
The object of the present invention is achieved like this:
Comprise that an end has the fin of fin axle and the wing flap that an end has wing flap fin axle, fin axle and wing flap fin axle and boats and ships hull join, the fin face is provided with fin face baffle plate on fin free-ended, the free-ended fin face down of fin is provided with down fin face baffle plate, wing flap fin face is provided with wing flap fin face baffle plate on wing flap free-ended, and the free-ended wing flap fin face down of wing flap is provided with down wing flap fin face baffle plate.
Described baffle plate has fines away and sweepback.
Characteristics of the present invention are on the free end of wing flap stabilizer baffle plate to be housed, and the fin face is respectively installed one up and down, and at the face of the fin up and down free end of wing flap a baffle plate are installed separately also.Two baffle plates of last lower aerofoil are used to stop by the fluid pressure distribution difference at these local tip vortexes that produces.Thereby reduce the induced drag of stabilizer, baffle dimensions, the isoparametric selection of thickness should be decided according to the model of concrete stabilizer.Baffle plate should have suitable sharpening and sweepback, to improve the hydrodynamic efficiency of baffle plate.
The present invention is simple in structure, is easy to install realize, the energy actv. reduces the induced drag of stabilizer, promote the lift efficiency of wing flap stabilizer, prevent the generation of water flow medium cavitation phenomenon, improve the stabilizing efficiency of wing flap stabilizer, improve shipping navigation safety and economy.
Description of drawings
Fig. 1 is equipped with wing flap stabilizer schematic three dimensional views of the present invention;
Fig. 2 is equipped with wing flap stabilizer schematic side view of the present invention;
Fig. 3 is not equipped with the tip vortex schematic three dimensional views that wing flap stabilizer of the present invention produces;
Fig. 4 is not equipped with tip vortex that wing flap stabilizer of the present invention the produces scheme drawing that heads on;
Fig. 5 is the head-on scheme drawing that the tip vortex of wing flap stabilizer generation of the present invention is installed.
The specific embodiment
For example the present invention is done description in more detail below in conjunction with accompanying drawing:
In conjunction with Fig. 1 and Fig. 2.This structure is the wing flap stabilizer of boats and ships, similar with airfoil type with wing flap, fin axle z1 and wing flap fin axle z2 and boats and ships hull join, the free end of last fin face 1 and following fin face 2 is respectively 5 and 6, the free end of fin face 3 and following fin face 4 is respectively 7 and 8 on the wing flap, goes out to be equipped with respectively baffle plate 9,10,11,12 (10 and 12 mark) at free end 5,6,7,8 in Fig. 2.Baffle plate comprises fin face baffle plate 9, following fin face baffle plate 10, goes up wing flap fin face baffle plate 11 and following wing flap fin face baffle plate 12.
In conjunction with Fig. 3, Fig. 4 and Fig. 5 the action principle that generation and the present invention of wing flap stabilizer tip vortex weakens tip vortex is described further.
As shown in Figure 3, the wing flap stabilizer is joined by fin axle z1 and z2 and hull, is in the water flow field 16, supposes that stabilizer works under the positive incidence state, and it is big that the flow rate of water flow of last fin face 1 becomes, and the pressure of water flow field reduces.The flow rate of water flow of following fin face 2 reduces, and the pressure of water flow field increases, and forms a difference of pressure at last fin face 1 and following fin face 2 like this, following fin face 1 place's fluid field pressure is big, the fluid field pressure at last fin face 2 places is little, and current will be turned to fin face 1 from following fin face 2, form tip vortex 15.On the wing flap on fin face 7 and the wing flap fin face 8 places equally also can produce tip vortex.Fig. 4 is from the process that flows to that tip vortex just head-on has been described of wing flap stabilizer.Because the job specification of stabilizer, stabilizer will be operated in two states of the positive and negative angle of attack, when under the negative angle of attack state, working, the flow direction of tip vortex just in time with Fig. 4 in tip vortex 15 flow to opposite.
As shown in Figure 5, for the just head-on scheme drawing of wing flap stabilizer of the present invention has been installed, at the free end of last fin face 1 and following fin face 2 baffle plate 9 and 10 are housed respectively, Fig. 5 has illustrated the flow direction of tip vortex 15 when the wing flap stabilizer is operated in the positive incidence state.The wing flap stabilizer is when work, though can form a difference of pressure at last fin face 1 and following fin face 2, but owing to the reason that baffle plate 9 and 10 are installed, baffle plate 9 can cut off the flow direction of the resupinate most of current of fin face down, baffle plate 10 can cut off and flow to most of flow direction of going up the fin face, thereby has weakened the generation of tip vortex.When the stabilizer negative angle of attack was worked, baffle plate 9 can cut off went up the face down flow direction of most of current of upset of fin, and baffle plate 10 can cut off and flow to most of flow direction of fin face down, and 15 the flow direction is opposite among the flow direction of tip vortex and Fig. 5.
After tip vortex weakened, the induced drag of wing flap stabilizer decreased, and had improved lift and the hydrodynamic property of stabilizer, had improved shipping navigation safety and economy.
Claims (2)
1. drag-reducing device of anti-rolling fin of ship wing flap, comprise that an end has the fin of fin axle and the wing flap that an end has wing flap fin axle, fin axle and wing flap fin axle and boats and ships hull join, it is characterized in that: the fin face is provided with fin face baffle plate on fin free-ended, the free-ended fin face down of fin is provided with down fin face baffle plate, wing flap fin face is provided with wing flap fin face baffle plate on wing flap free-ended, and the free-ended wing flap fin face down of wing flap is provided with down wing flap fin face baffle plate.
2. drag-reducing device of anti-rolling fin of ship wing flap according to claim 1 is characterized in that: described baffle plate has fines away and sweepback.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010209330 CN101879935A (en) | 2010-06-25 | 2010-06-25 | Drag-reducing device of anti-rolling fin of ship wing flap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010209330 CN101879935A (en) | 2010-06-25 | 2010-06-25 | Drag-reducing device of anti-rolling fin of ship wing flap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101879935A true CN101879935A (en) | 2010-11-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010209330 Pending CN101879935A (en) | 2010-06-25 | 2010-06-25 | Drag-reducing device of anti-rolling fin of ship wing flap |
Country Status (1)
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| CN (1) | CN101879935A (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103612725A (en) * | 2013-12-16 | 2014-03-05 | 无锡市海联舰船附件有限公司 | Zero-speed fin stabilizer with rotor |
| CN103895831A (en) * | 2014-03-06 | 2014-07-02 | 哈尔滨工程大学 | Ship fin/wing fin rolling-reducing anti-saturation control device and control method thereof |
| CN104443298A (en) * | 2014-11-04 | 2015-03-25 | 武汉包尼喜科技有限公司 | Retractable emergency brake fin stabilizer for ship |
| CN104709454A (en) * | 2015-03-16 | 2015-06-17 | 中国船舶重工集团公司第七○二研究所 | Inflatable wing flap sail |
| CN104890831A (en) * | 2015-06-09 | 2015-09-09 | 哈尔滨工程大学 | Stabilizing apparatus combined by T-shaped hydrofoil and rotor foils |
| CN105121272A (en) * | 2013-04-18 | 2015-12-02 | 罗尼·斯考恩 | Stabilizer fin and active stabilizer system for a watercraft |
| CN105882913A (en) * | 2015-01-05 | 2016-08-24 | 江苏华阳重工股份有限公司 | Marine folding fin stabilizer |
| CN106428452A (en) * | 2016-09-19 | 2017-02-22 | 哈尔滨工程大学 | Dual-purpose fin stabilizer used at zero speed and certain speed |
| CN106828819A (en) * | 2017-01-23 | 2017-06-13 | 哈尔滨工程大学 | Ship Steering Autopilot and wing fin vector control method |
| CN110683012A (en) * | 2019-09-29 | 2020-01-14 | 哈尔滨工程大学 | Disconnect-type stabilizer |
| CN110758665A (en) * | 2019-10-31 | 2020-02-07 | 上海海事大学 | Ship fin stabilizer with wingtip winglets and stabilizing method thereof |
| CN111824351A (en) * | 2020-07-29 | 2020-10-27 | 上海大学 | Deformable fin stabilizer |
| CN114516386A (en) * | 2022-02-10 | 2022-05-20 | 上海衡拓船舶设备有限公司 | Full-navigational-speed flap fishtail fin |
| CN115292818A (en) * | 2022-08-15 | 2022-11-04 | 北京航空航天大学 | Three-section wing tail edge side edge noise reduction scheme design with special-configuration baffle |
| WO2023040304A1 (en) * | 2021-09-14 | 2023-03-23 | 薛明刚 | Ship power fin and ship |
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| WO2006129011A2 (en) * | 2005-05-31 | 2006-12-07 | Aldin Gerard | Orientable aileron controlled by setting a rotatable paddle |
| EP1577210B1 (en) * | 2004-03-16 | 2008-02-27 | Quantum Controls B.V. | Active roll stabilisation system for ships |
| WO2008058309B1 (en) * | 2006-11-17 | 2008-10-16 | Austal Ships Pty Ltd | A roll stabiliser |
| US7451715B2 (en) * | 2006-05-17 | 2008-11-18 | Quantum Controls B.V. | Active roll stabilisation system for ships |
| CN101992852A (en) * | 2009-08-17 | 2011-03-30 | 贝克船舶系统有限公司 | Hydrofoil for water-borne vessels |
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2010
- 2010-06-25 CN CN 201010209330 patent/CN101879935A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5683497U (en) * | 1979-11-28 | 1981-07-06 | ||
| EP1577210B1 (en) * | 2004-03-16 | 2008-02-27 | Quantum Controls B.V. | Active roll stabilisation system for ships |
| WO2006129011A2 (en) * | 2005-05-31 | 2006-12-07 | Aldin Gerard | Orientable aileron controlled by setting a rotatable paddle |
| US7451715B2 (en) * | 2006-05-17 | 2008-11-18 | Quantum Controls B.V. | Active roll stabilisation system for ships |
| WO2008058309B1 (en) * | 2006-11-17 | 2008-10-16 | Austal Ships Pty Ltd | A roll stabiliser |
| CN101992852A (en) * | 2009-08-17 | 2011-03-30 | 贝克船舶系统有限公司 | Hydrofoil for water-borne vessels |
Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105121272A (en) * | 2013-04-18 | 2015-12-02 | 罗尼·斯考恩 | Stabilizer fin and active stabilizer system for a watercraft |
| US9527556B2 (en) | 2013-04-18 | 2016-12-27 | Ronny Skauen | Stabilizer fin and active stabilizer system for a watercraft |
| CN105121272B (en) * | 2013-04-18 | 2017-06-23 | 罗尼·斯考恩 | Stabilizer and active systems stabilisation for ship |
| CN103612725B (en) * | 2013-12-16 | 2015-12-16 | 无锡市海联舰船附件有限公司 | With the fin stabilizer at zero speed of rotor |
| CN103612725A (en) * | 2013-12-16 | 2014-03-05 | 无锡市海联舰船附件有限公司 | Zero-speed fin stabilizer with rotor |
| CN103895831A (en) * | 2014-03-06 | 2014-07-02 | 哈尔滨工程大学 | Ship fin/wing fin rolling-reducing anti-saturation control device and control method thereof |
| CN103895831B (en) * | 2014-03-06 | 2017-01-04 | 哈尔滨工程大学 | A kind of boats and ships fin/wing fin rollstabilization anti-saturation controls device and control method thereof |
| CN104443298A (en) * | 2014-11-04 | 2015-03-25 | 武汉包尼喜科技有限公司 | Retractable emergency brake fin stabilizer for ship |
| CN105882913A (en) * | 2015-01-05 | 2016-08-24 | 江苏华阳重工股份有限公司 | Marine folding fin stabilizer |
| CN104709454A (en) * | 2015-03-16 | 2015-06-17 | 中国船舶重工集团公司第七○二研究所 | Inflatable wing flap sail |
| CN104709454B (en) * | 2015-03-16 | 2016-11-09 | 中国船舶重工集团公司第七○二研究所 | Type inflatable wing flap sail |
| CN104890831A (en) * | 2015-06-09 | 2015-09-09 | 哈尔滨工程大学 | Stabilizing apparatus combined by T-shaped hydrofoil and rotor foils |
| CN106428452A (en) * | 2016-09-19 | 2017-02-22 | 哈尔滨工程大学 | Dual-purpose fin stabilizer used at zero speed and certain speed |
| CN106828819A (en) * | 2017-01-23 | 2017-06-13 | 哈尔滨工程大学 | Ship Steering Autopilot and wing fin vector control method |
| CN110683012A (en) * | 2019-09-29 | 2020-01-14 | 哈尔滨工程大学 | Disconnect-type stabilizer |
| CN110683012B (en) * | 2019-09-29 | 2021-07-16 | 哈尔滨工程大学 | Disconnect-type stabilizer |
| CN110758665A (en) * | 2019-10-31 | 2020-02-07 | 上海海事大学 | Ship fin stabilizer with wingtip winglets and stabilizing method thereof |
| CN111824351A (en) * | 2020-07-29 | 2020-10-27 | 上海大学 | Deformable fin stabilizer |
| CN111824351B (en) * | 2020-07-29 | 2022-07-12 | 上海大学 | Deformable fin stabilizer |
| WO2023040304A1 (en) * | 2021-09-14 | 2023-03-23 | 薛明刚 | Ship power fin and ship |
| CN114516386A (en) * | 2022-02-10 | 2022-05-20 | 上海衡拓船舶设备有限公司 | Full-navigational-speed flap fishtail fin |
| CN114516386B (en) * | 2022-02-10 | 2023-12-15 | 上海衡拓船舶设备有限公司 | Full-navigational speed flap fish tail fin |
| CN115292818A (en) * | 2022-08-15 | 2022-11-04 | 北京航空航天大学 | Three-section wing tail edge side edge noise reduction scheme design with special-configuration baffle |
| CN115292818B (en) * | 2022-08-15 | 2024-01-23 | 北京航空航天大学 | Method for reducing noise of side edge of three-section trailing edge of flap with baffle for passive flow control |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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Application publication date: 20101110 |