CN109436183A - A kind of bat type T-type lift-rising hydrofoil unit - Google Patents
A kind of bat type T-type lift-rising hydrofoil unit Download PDFInfo
- Publication number
- CN109436183A CN109436183A CN201811236985.2A CN201811236985A CN109436183A CN 109436183 A CN109436183 A CN 109436183A CN 201811236985 A CN201811236985 A CN 201811236985A CN 109436183 A CN109436183 A CN 109436183A
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- China
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- type
- bat
- main wing
- hydrofoil
- bat type
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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
- B63B1/16—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
-
- 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
-
- 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
Abstract
The present invention relates to shipbuilding and the bionical profile deformation fields of ship control device, and in particular to a kind of bat type T-type lift-rising hydrofoil unit.The present invention includes hydrofoil column portion and the horizontal main wing portion of bat type, wherein hydrofoil column portion upper end is installed on stem bottom, and hydrofoil column portion lower end is vertical with the horizontal main wing portion of bat type to be fixedly connected；The horizontal main wing portion of bat type is located at immediately below hydrofoil column portion, and the horizontal main wing portion of bat type uses the bionical aerofoil profile of bat type；The present invention can lift-rising hydrofoil architectural characteristic, for guarantee ship under severe sea condition when high speed operation, the useful lift that main plane generates enhances the stability force and torque for stablizing Longitudinal Movement of Ship, the longitudinal movement posture of ship is controlled, the comfortable safety of ship's staff and equipment is improved.
Description
Technical field
The present invention relates to shipbuilding and the bionical profile deformation fields of ship control device, and in particular to a kind of bat type
T-type lift-rising hydrofoil unit.
Background technique
Since the longitudinal movement of high-speed craft can bring serious safety issue to ship's navigation, such as shipping of green water, bury
Bow, loss of goods and equipment malfunction etc..And the vertical acceleration that the longitudinal movement of ship generates to human body bring it is seasick not
Suitable sense, has seriously affected healthy comfort level and working efficiency of staff of human body etc., therefore has solved the problems, such as that this is ship system
It makes and the important research direction in the bionical profile deformation field of ship control device.
Most effective at present is exactly the installation T-type hydrofoil at stem.T-type hydrofoil is a kind of typical lift hydrofoil, lift
One feature of hydrofoil is exactly that hydrofoil upper and lower surface needs certain pressure gap, this species diversity is by changing the hydrofoil angle of attack
To change hydrofoil upper and lower surface flow field generation, and the lift of hydrofoil also with its area, aspect ratio, the shape of horizontal main plane
Shape etc. has substantial connection.To sum up, the longitudinal attitude that high-speed craft can be controlled using the lift that T-type hydrofoil generates, has ensured ship
And safety and the comfort of occupant.But the high-speed craft of conventional T-type hydrofoil is installed, the lift that aerofoil generates is in special sea
Sea wave disturbance is insufficiently resistant to when feelings.
It is published in Liang Lihua, Yuan Jia and Zhang Songtao et al. " hunchbacked based on imitating on the 35th Chinese Control Conference collection of thesis
Carry on the back the wave piercing catamaran longitudinal movement control of whale T-type hydrofoil " in, imitative humpback whale T-type hydrofoil is to utilize the up-front warty of humpback whale
The shape of prominent such as sawtooth, so that itself lift can be improved in ocean, under the technical background, the present invention proposes a kind of bionical
Bat type T-type lift-rising hydrofoil, bat can effectively utilize air force in sky because of lift caused by its special airfoil structure
High speed is effectively flown, wherein drive marine applied by the air force of research bat flight and ship belongs to fluid and moves
Mechanics scope, therefore this aerofoil profile of bionical batswing tab is applied on T-type hydrofoil, so that it is greatly improved the lift of T-type hydrofoil, from
And preferably improve the sea-keeping of high-speed craft, and guarantee the comfortableness and security of occupant.
Summary of the invention
The purpose of the present invention is to provide a kind of bat type T-type lift-rising hydrofoil units to be protected with the architectural characteristic of lift-rising hydrofoil
Ship is demonstrate,proved under severe sea condition when high speed operation, the useful lift that main plane generates enhances and stablizes the steady of Longitudinal Movement of Ship
Determine power and torque, control the longitudinal movement posture of ship, improves the comfortable safety of ship's staff and equipment.
The object of the present invention is achieved like this:
A kind of bat type T-type lift-rising hydrofoil unit, including hydrofoil column portion and the horizontal main wing portion of bat type, wherein
Hydrofoil column portion upper end is installed on stem bottom, hydrofoil column portion lower end fixed company vertical with the horizontal main wing portion of bat type
It connects；The horizontal main wing portion of bat type is located at immediately below hydrofoil column portion, and the horizontal main wing portion of bat type is bionical using bat type
Aerofoil profile.
Hydrofoil column portion, comprising: column 1, driving device 3, column tail end 11；1 upper end of column is installed on stem bottom,
Driving device 3 is located at the front-end and back-end of column 1, and column tail end 11 is located at the rear end bottom of column 1, column tail end 11 not with bat
The horizontal main wing portion of bat formula directly contacts；
The horizontal main wing portion of bat type, comprising: the horizontal main wing 2 of bat type；The horizontal main wing 2 of bat type is being located at column 1 just
Lower section, 1 lower end of column is vertical with the horizontal main wing 2 of bat type to be fixedly connected, at the same driving device 3 also with the horizontal main wing 2 of bat type
Connection, the horizontal main wing 2 of bat type are symmetric using the central axes of column 1 as boundary line.
The column 1 is using the NACA aerofoil profile for meeting fluid behaviour；
The column tail end 11 is along perpendicular to the tilting at an acute angle of bat type horizontal main wing portion chord length direction, column tail end
11 uplift portion accounts for the 1/5 of the entire cross section length of column 1；
The horizontal main wing 2 of the bat type is using the NACA aerofoil profile for meeting fluid behaviour, the leading edge of the horizontal main wing 2 of bat type
In the up-front arc line type of bat wing, the tail portion obtuse of the horizontal main wing 2 of bat type is in bat type tail end shape；
The two sides section aerofoil profile of the horizontal main wing 2 of the bat type and the centre section aerofoil profile of the horizontal main wing 2 of bat type at
Multiple proportion；
The central axes of the horizontal main wing 2 of the bat type and the horizontal 2 two sides either end extended line of main wing of bat type are in folder
Both ends depression profile bending angle ∠ 2, intermediate projections curved angle ∠ 3 and the center of the horizontal main wing 2 of angle ∠ 1, bat type
Depression profile bending angle ∠ 4 is acute angle.
The bat type T-type lift-rising hydrofoil unit, the major dimension parameter of hydrofoil entirety is according to suitable from different ships
Depending on property, the optimum matching parameters of bat type T-type lift-rising hydrofoil unit are obtained according to required value of lift.
The beneficial effects of the present invention are:
1. the present invention uses the biomimetic features of bat type, the streamline of the horizontal main wing of bat type is conducive to horizontal main wing aerofoil
Lift increases, and when its entire hydrofoil is fallen into oblivion in waters, column and horizontal main wing can both be fixed together and be installed on ship
Sea wave disturbance is resisted in bow bottom, can also take the only horizontal main wing swing of bat type by arranging driving device inside column
Mode resists sea wave disturbance because its different operating angle makes entire horizontal main plane generate different stability force and torque；
2. the present invention improves the lift-rising problem of conventional T-type hydrofoil by the biomimetic features of bat type, and then improves hydrofoil and support
Anti- hull is reduced discomfort, the working environment for improving staff and the guarantee of passenger by the stability force and torque of sea wave disturbance
The safety of personnel and equipment；
Detailed description of the invention
Fig. 1 is a kind of bat type T-type lift-rising hydrofoil unit hull schematic view of the mounting position；
Fig. 2 is the whole object construction figure of the present invention；
Fig. 3 is column aerofoil profile figure of the present invention；
Fig. 4 is front view of the present invention；
Fig. 5 is side view of the present invention and the horizontal main wing aerofoil profile figure of bat type；
Fig. 6 is present invention vertical view and the horizontal main wing aerofoil profile annotated map of bat type；
Fig. 7 is flow eddies schematic diagram of the present invention；
Fig. 8 is the contrast curve chart of the present invention with conventional T-type hydrofoil hydrodynamic force simulation result；
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing to the present invention
It is described further:
Fig. 1 is a kind of bat type T-type lift-rising hydrofoil unit hull schematic view of the mounting position；
Fig. 2 is the whole object construction figure of the present invention；
Fig. 3 is column aerofoil profile figure of the present invention；
Fig. 4 is front view of the present invention；
Fig. 5 is side view of the present invention and the horizontal main wing aerofoil profile figure of bat type；
Fig. 6 is present invention vertical view and the horizontal main wing aerofoil profile annotated map of bat type；
Fig. 7 is flow eddies schematic diagram of the present invention；
Fig. 8 is the contrast curve chart of the present invention with conventional T-type hydrofoil hydrodynamic force simulation result.
The technical scheme of the present invention is realized as follows:
Accurately illustrated in order to each component to bat type T-type lift-rising hydrofoil of the invention, it is necessary to definition with
Its relevant technical term, specific as follows: the hydrofoil referred in the present invention is a kind of bat type T-type lift-rising of the present invention
Hydrofoil unit.It is known as column portion with the hydrofoil part of horizontal plane, is connected with column portion by driving device and vertical
Part be known as the horizontal main wing portion of bat type.Hydrofoil length along captain direction is known as chord length, is perpendicular to chord length direction
The length of hydrofoil.
Shown in Fig. 1,1 upper end of column of T-type hydrofoil is installed on stem bottom, and column 1 is vertical with the horizontal main wing 2 of bat type to be connected
It connects, the two both can centainly swing angle be fixed together, and can also be connected, can be stretched according to driving mechanism 3 by driving mechanism 3
The different length of contracting controls the swing angle of attack of the horizontal main wing 2 of bat type.The parameter of the specific size of each section it is selected according to
Depending on the suitability of different ship types.
Fig. 2 is overall schematic of the invention, including column 1, horizontal main wing 2 and driving device 3, and horizontal main wing uses
The bionical aerofoil profile of bat type.
What the section aerofoil profile of column 1 and horizontal main wing 2 of the invention used is all the NACA aerofoil profile for meeting fluid behaviour.Figure
3 dash area is the section aerofoil profile of column 1, and the dash area 21 and 22 of Fig. 5 is respectively the two sides section aerofoil profile of horizontal main wing 2
With centre section aerofoil profile, and the two be in certain multiple proportion.It can be obtained by top view 3 and front view 4, horizontal main wing 2 is with column 1
Central axes be boundary in two sides it is symmetrical.
In Fig. 5, along perpendicular to the tilting about at an acute angle of chord length direction at 1 tail portion bottom end 11 of column, uplift portion accounts for about
1/5 or so of the entire profile length.This design not only facilitates driving device 3 to the weave control of the horizontal main wing of bat type 2,
And ensure that the flow field of horizontal 2 tail end of main wing of bat type is not interfered by the tail portion 11 of column 1.
Fig. 6 be bat type aerofoil profile of the invention annotated map, in Fig. 6, ∠ 1 be bat type main plane 2 central axes with
The be in angle of hydrofoil two sides either end extended line, can change within the scope of the acute angle less than 90 degree.Since the present invention is bionical
Bat type design is in certain multiple according to the two sides section aerofoil profile and centre section aerofoil profile of the dash area 21 and 22 in Fig. 5
Relationship, therefore it can be in the up-front arc line type of bat wing that the section aerofoil profile of two sides is connected with middle section aerofoil profile head end.Bat
The tail end of the horizontal main wing 2 of formula is as described below: the bending angle ∠ 2 by first recessed curve 23 of two close end is about in sharp
Angle；The bending angle ∠ 3 of the curve 24 of second protrusion is about at an acute angle；The recessed curve 25 of third is close to horizontal main wing
Middle part, bending angle ∠ 4 are about at an acute angle；Wherein the ratio of entire horizontal 2 length of main wing shared by curve 23,24 and 25 and in
The curve shape and angle of near axis do not do concrete regulation.
Fig. 7 is the schematic diagram of flow eddies, since bat aerofoil profile trailing edge is at obtuse urosome, therefore according to flow eddies principle,
When fluid flows through a blunt surface, fluid can form one layer of very thin boundary-layer in blunt surface, and can be in blunt nosed tail
Portion generates whirlpool along the direction that fluid flows through.And obtained by boundary layer theory, when there is no hydrofoil in fluid, wave bottom boundary
Layer top edge is horizontal plane, but there are after hydrofoil, significant change will occur for bottom streamline and boundary layer top edge, and form whirlpool
Area, the whirlpool in area washes away bluff body surface, and the energy of whirlpool then derives from the gradient of wave bottom speed.Thus,
For the bat type T-type lift-rising hydrofoil with obtuse urosome, in the place that the angular speed of fluid micellar is not zero, bat type rear
Separation flowing can occur, with the presence of whirlpool, concavo-convex portion just plays the effect of similar whirlpool generator.To sum up, bat type T
Type lift-rising hydrofoil directly enhances hydrofoil lift since the extruding by concavo-convex portion, fluid velocity are promoted.
Hydrodynamic characterisitic, that is, the lift coefficient and resistance coefficient for controlling hydrofoil are to measure hydrofoil to have Attitude control
The important parameter of effect property, the wherein ratio (i.e. lift resistance ratio) of lift coefficient and resistance coefficient, and measurement hydrofoil hydrodynamic characterisitic
The important indicator of quality.Since the lift that the amplitude of fluctuation of T-type hydrofoil provides in the range of 15 degree is optimal, therefore in Fig. 8
Angle of attack maximum value has got 15 degree, can be obtained by Fig. 8, and the lift resistance ratio of bat type T-type lift-rising hydrofoil of the invention is significantly greater than routine T
The lift that type hydrofoil, i.e. bat type T-type lift-rising hydrofoil provide is greater than conventional T-type hydrofoil, and resistance is less than conventional T-type hydrofoil, into
One step can preferably inhibit the longitudinal movement of ship for the present invention can be illustrated compared with conventional T-type hydrofoil.
The parameters such as the column of the invention patent and height, length ratio and the area of hydrofoil of horizontal main wing according to it is not shipmate
Depending on the suitability of oceangoing ship.The horizontal main wing of the bat type of the invention patent is on the basis of conventional T-type hydrofoil, by its profile deformation
Bat type, due to the trailing edge concavo-convex portion of bat type T-type lift-rising hydrofoil bending line amplitude, camber and other parameters all with water
Depending on the value of lift of the wing is closely related, therefore main foundation specific ship parameter is then answered in the design of bat type trailing edge concavo-convex portion, and
And the sea wave disturbance power and torque that need to be resisted should be obtained, and calculate water outlet according to the sea situation and the speed of a ship or plane that current high-speed craft navigates by water
The stability force and torque generated required for the wing, obtains the optimum matching parameters of bat type T-type lift-rising hydrofoil according to required value of lift.
In a kind of bat type T-type lift-rising hydrofoil designed according to the present invention, column can both have been consolidated with the horizontal main wing of bat type
Fixed pattern is installed on stem bottom, can also rely on driving device, so that it is integrally generated swing or only main plane is swung, these modes
It all may make high-speed craft to reduce longitudinal movement, guarantee the traffic safety and riding comfort of passenger.The Airfoil Design purpose of the horizontal main wing of bat type
It is that hydrofoil is made to generate lift effective enough in water to inhibit the longitudinal movement of hull.
Although elaborating to the present invention, the professional person of fields, which should be appreciated that, is not departing from this hair
It is bright illustrate and broad range field as defined in the claims in the case where, other forms of implementation may be present in the present invention.
Column portion is installed on stem bottom, and is vertically connected with the horizontal main wing of bat type；
The horizontal main wing portion of bat type, the hydrofoil part can be both fixedly connected with above-mentioned column portion, can also pass through driving
Device is vertically connected.
The lower end tail portion of column is that face being connected with horizontal main wing tilts certain acute angle, in order to facilitate bat type water
The weave control of flat main wing.
Section aerofoil profile among the shape of the two sides section of the horizontal main wing of bat type and its horizontal main wing at multiple proportion, by
In the present invention relates to a kind of bat type hydrofoils, therefore the section aerofoil profile of its two sides is connected with the aerofoil profile head end of intermediate portion
It is about in the up-front arc line type of bat wing.In addition, the tail portion obtuse of horizontal main wing is also imitative bat type tail end shape.
The present invention uses the biomimetic features of bat type, and the streamline of the horizontal main wing of bat type is more advantageous to horizontal main wing aerofoil
Lift increases.When its entire hydrofoil is fallen into oblivion in waters, column and horizontal main wing can both be fixed together and be installed on ship
Sea wave disturbance is resisted in bow bottom, can also take the only horizontal main wing swing of bat type by arranging driving device inside column
Mode resists sea wave disturbance because its different operating angle makes entire horizontal main plane generate different stability force and torque.
Claims (7)
1. a kind of bat type T-type lift-rising hydrofoil unit, it is characterised in that: including hydrofoil column portion and the horizontal main wing portion of bat type
Point, wherein hydrofoil column portion upper end is installed on stem bottom, and hydrofoil column portion lower end and the horizontal main wing portion of bat type hang down
Directly it is fixedly connected；The horizontal main wing portion of bat type is located at immediately below hydrofoil column portion, and the horizontal main wing portion of bat type uses bat
The bionical aerofoil profile of bat formula；
Hydrofoil column portion, comprising: column (1), driving device (3), column tail end (11)；Column (1) upper end is installed on stem
Bottom, driving device (3) are located at the front-end and back-end of column (1), and column tail end (11) is located at the rear end bottom of column (1), stand
Column tail end (11) does not contact directly with the horizontal main wing portion of bat type；
The horizontal main wing portion of bat type, comprising: the horizontal main wing of bat type (2)；The horizontal main wing of bat type (2) is located at column (1)
Underface, column (1) lower end is vertical with the horizontal main wing of bat type (2) to be fixedly connected, at the same driving device (3) also with bat type water
Flat main wing (2) connection, the horizontal main wing of bat type (2) are symmetric using the central axes of column (1) as boundary line.
2. a kind of bat type T-type lift-rising hydrofoil unit according to claim 1, it is characterised in that: the column (1) is adopted
With the NACA aerofoil profile for meeting fluid behaviour.
3. a kind of bat type T-type lift-rising hydrofoil unit according to claim 1, it is characterised in that: the column tail end
(11) along perpendicular to the tilting at an acute angle of bat type horizontal main wing portion chord length direction, the uplift portion of column tail end (11) accounts for column
(1) the 1/5 of entire cross section length.
4. a kind of bat type T-type lift-rising hydrofoil unit according to claim 1, it is characterised in that: the bat type water
Flat main wing (2) is in the up-front arc of bat wing using the NACA aerofoil profile for meeting fluid behaviour, the leading edge of the horizontal main wing of bat type (2)
Line style, the tail portion obtuse of the horizontal main wing of bat type (2) are in bat type tail end shape.
5. a kind of bat type T-type lift-rising hydrofoil unit according to claim 1, it is characterised in that: the bat type water
The two sides section aerofoil profile of flat main wing (2) and the centre section aerofoil profile of the horizontal main wing of bat type (2) are at multiple proportion.
6. a kind of bat type T-type lift-rising hydrofoil unit according to claim 1, it is characterised in that: the bat type water
The central axes of flat main wing (2) and the be in angle ∠ 1 of the horizontal main wing of bat type (2) two sides either end extended line, bat type level master
Both ends depression profile bending angle ∠ 2, intermediate projections curved angle ∠ 3 and the concavity curved angle of the wing (2)
∠ 4 is acute angle.
7. a kind of bat type T-type lift-rising hydrofoil unit according to claim 1, it is characterised in that: the bat type T-type
Lift-rising hydrofoil unit, the major dimension parameter of hydrofoil entirety is according to depending on the suitability of different ships, according to required value of lift
Obtain the optimum matching parameters of bat type T-type lift-rising hydrofoil unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811236985.2A CN109436183B (en) | 2018-10-23 | 2018-10-23 | Bat type T-shaped high lift hydrofoil device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811236985.2A CN109436183B (en) | 2018-10-23 | 2018-10-23 | Bat type T-shaped high lift hydrofoil device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109436183A true CN109436183A (en) | 2019-03-08 |
| CN109436183B CN109436183B (en) | 2020-11-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811236985.2A Active CN109436183B (en) | 2018-10-23 | 2018-10-23 | Bat type T-shaped high lift hydrofoil device |
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| Country | Link |
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| CN (1) | CN109436183B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110562420A (en) * | 2019-09-30 | 2019-12-13 | 重庆前卫科技集团有限公司 | aerofoil plate and processing technology thereof |
| CN111930121A (en) * | 2020-08-10 | 2020-11-13 | 哈尔滨工程大学 | Mixed path planning method for indoor mobile robot |
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| NO20042524L (en) * | 2003-06-16 | 2004-12-17 | Kjell Hopen Plastindustri | Device at a bath with a skirt |
| EP2962929A1 (en) * | 2014-06-18 | 2016-01-06 | Mehmet Nevres Ülgen | Trim stabilizer device having adjustable foil for speed boats |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109436183B (en) | 2020-11-03 |
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