CN107539420A - A kind of small waterplane area twin hull ship with stabilising fin - Google Patents
A kind of small waterplane area twin hull ship with stabilising fin Download PDFInfo
- Publication number
- CN107539420A CN107539420A CN201710754136.5A CN201710754136A CN107539420A CN 107539420 A CN107539420 A CN 107539420A CN 201710754136 A CN201710754136 A CN 201710754136A CN 107539420 A CN107539420 A CN 107539420A
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- Prior art keywords
- hull
- fin
- stabilising
- stabilising fin
- small waterplane
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- 230000003019 stabilising effect Effects 0.000 title claims abstract description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000013016 damping Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Abstract
The present invention provides a kind of small waterplane area twin hull ship with stabilising fin, including the hull one and hull two being connected with each other, and the bow and stern of hull one and hull two set n stabilising fin respectively, and n is more than or equal to 1；Stabilising fin is located at the inner side of hull, and is in certain angle with waterline.In the bow and stern of hull one and hull two, 1 stabilising fin is set respectively.Wherein fin is fixed form, and section is streamlined.The angle of stabilising fin and waterline is 20 °~20 °.And the stabilising fin that hull one and hull two are set is symmetrical, the area for the stabilising fin that stern is set is more than the fin area set by bow.
Description
Technical field
The present invention relates to small waterplane area twin hull ship technical field, especially relates to a kind of stabilising fin.
Background technology
Small waterplane area twin hull ship (SWATH) is one of high performance craft type.Small waterplane area twin hull ship passes through streamline strut pair
The ship that displacement of volume and main part are attached.Small waterplane area twin hull ship is developed by conventional Catamarans, small-waterplane-area
Catamaran has the advantages of sea-keeping is good, floor space is big, has very wide use in fields such as scientific investigation, monitoring, traffic, military affairs
Prospect.
Although its sea-keeping and rapidity have some superiority, because underwater big volume submerged body is certain in the presence of bringing
Unstability.Slender bodies for linear motion (or revolving body) has with direction of flow and will produced during certain angle of attack in fluid media (medium)
Pitching moment, this torque are unstable.Torque caused by the angle of attack makes the increase of the submerged body angle of attack, causes torque further to add
Greatly.The angle of attack can be increased further so that dissipating therewith again.How SWATH longitudinal vortices are controlled, to SWATH
Navigation posture is adjusted, and SWATH ships performances pays close attention to one of content in recent years.
The content of the invention
In order to solve the above problems, the present invention proposes a kind of small waterplane area twin hull ship with stabilising fin, including each other
Connected hull one and hull two, the bow and stern of wherein hull one and hull two set n stabilising fin respectively, and n is more than etc.
In 1；Stabilising fin is located at the inner side of hull, and is in certain angle with waterline；The stabilising fin that stern is set sets steady with bow
The distance between fin is determined for the captain equal to 0.65~0.85 times.
Further, the bow and stern of hull one and hull two set 1 stabilising fin respectively, and stabilising fin includes end and root
Portion, end are plane, and root smoothly transits and fixed with hull.
Further, stabilising fin linearly increases from end to root.
Further, the section of stabilising fin is streamlined.
Further, the gross area/hull Water Plane for the stabilising fin that the stabilising fin that two sterns are set is set with two bows
Area is equal to 0.2~0.25.
Further, the angle of stabilising fin and waterline is -20 °~20 °.
Further, the stabilising fin that hull one and hull two are set is symmetrical.
Further, the area for the stabilising fin that stern is set is more than the fin area that bow is set.
The present invention has the advantage that：
Stabilising fin is installed with waterline in certain angle, is not only advantageous to trim, improves engine sta bility margin, and increase is vertical
Damping torque is shaken, improves sea-keeping, can also be used to improve boat state, be advantageous to rapidity.
Brief description of the drawings
Fig. 1 is the top view layout of the present invention.
Fig. 2 is the first fin top view of the present invention.
Fig. 3 is tail fin top view of the present invention.
Fig. 4 is the first fin rearview of the present invention.
Fig. 5 is tail fin rearview of the present invention.
First fin 1, tail fin 2, first fin end 11, first fin root 12, tail fin end 21, heel of skeg 22.
Embodiment
The embodiment of the present invention is described in detail below in conjunction with the accompanying drawings, the embodiment is merely to illustrate this hair
Bright rather than limitation the scope of the present invention, modification of the those skilled in the art to the various equivalent form of values of the present invention fall within this
Apply for appended claims limited range.
The present invention provides a kind of small waterplane area twin hull ship with stabilising fin, including the hull one and hull being connected with each other
Two, the bow and stern of hull one and hull two set 1 stabilising fin, i.e. a first fin 1 and a tail fin 2, first fin 1 respectively
In hull stem, tail fin 2 is located at hull afterbody, as shown in Figure 1.First fin 1 on the bow of hull one and hull two, it is symmetrical
Arrangement.Tail fin 2 on the stern of hull one and hull two, is symmetrically arranged.First fin 1 and tail fin 2 are located at hull one and hull
Two inner side, and be in certain angle with waterline.The arrangement of first fin 1 and tail fin 2 is relevant with captain, if first fin 1 and tail fin 2 away from
From for L1, captain L2, then L1/L2=0.65~0.85.And in order to reach increase pitch damping torque, improve sea-keeping
The gross area/hull water plane area=0.2~0.25 of purpose, two tail fins 2 and two first fins 1, and the area of tail fin will
More than the area of first fin.
Such as Fig. 2, first fin includes end 11 and root 12, and end 11 is plane, and root 12 smoothly transits with hull and uses weldering
The form connect is fixed.Linearly increase from end to root, the section of first fin is streamlined.Such as Fig. 4, the angle of first fin and waterline is
α, α scope are at -20 °~20 °.
Such as Fig. 3, tail fin includes end 21 and root 22, and end 21 is plane, and root 22 smoothly transits with hull and uses weldering
The form connect is fixed.Linearly increase from end to root.The section of tail fin is streamlined.Such as Fig. 5, the installation of tail fin 2 and waterline
Angle is β, and β is -20 °~20 °.
Stabilising fin is installed with waterline in certain angle, is not only advantageous to trim, improves engine sta bility margin, and increase is vertical
Damping torque is shaken, improves sea-keeping, can also be used to improve boat state, be advantageous to rapidity.It can also pass through after on-board testing
The established angle for entering after dock to change stabilising fin changes boat state to realize.Fin is fixed form, both can be right without robot control system(RCS)
SWATH carries out navigation attitude regulation, also saves shipbuilding cost, saves hull physical space, optimizes conceptual design.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing, still, the present invention is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the present invention, a variety of letters can be carried out to technical scheme
Monotropic type, these simple variants belong to protection scope of the present invention.
Claims (9)
1. a kind of small waterplane area twin hull ship with stabilising fin, including the hull one and hull two being connected with each other, it is characterised in that
The bow and stern of the hull one and hull two set n stabilising fin respectively, and n is more than or equal to 1；The stabilising fin is located at hull
Inner side, and be in certain angle with waterline；Between stabilising fin and the stabilising fin of the setting of the bow that the stern is set
Distance be captain equal to 0.65~0.85 times.
2. small waterplane area twin hull ship according to claim 1, it is characterised in that the bow of the hull one and hull two and
Stern sets 1 stabilising fin respectively.
3. small waterplane area twin hull ship according to claim 1 or 2, it is characterised in that the stabilising fin includes end and root
Portion, end are plane, and root smoothly transits and fixed with hull.
4. small waterplane area twin hull ship according to claim 3, it is characterised in that the stabilising fin is linear from end to root
Increase.
5. small waterplane area twin hull ship according to claim 3, it is characterised in that the section of the stabilising fin is streamlined.
6. small waterplane area twin hull ship according to claim 2, it is characterised in that the stabilising fin that two sterns are set with
The gross area of the stabilising fin of the setting of two bows/hull water plane area is equal to 0.2~0.25.
7. small waterplane area twin hull ship according to claim 1, it is characterised in that the angle of the stabilising fin and waterline is-
20 °~20 °.
8. small waterplane area twin hull ship according to claim 1, it is characterised in that the hull one and hull two are set steady
It is symmetrical to determine fin.
9. small waterplane area twin hull ship according to claim 1 or 2, it is characterised in that the stabilising fin that the stern is set
Area is more than the fin area of the setting of the bow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710754136.5A CN107539420A (en) | 2017-08-29 | 2017-08-29 | A kind of small waterplane area twin hull ship with stabilising fin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710754136.5A CN107539420A (en) | 2017-08-29 | 2017-08-29 | A kind of small waterplane area twin hull ship with stabilising fin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107539420A true CN107539420A (en) | 2018-01-05 |
Family
ID=60957861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710754136.5A Pending CN107539420A (en) | 2017-08-29 | 2017-08-29 | A kind of small waterplane area twin hull ship with stabilising fin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107539420A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110194239A (en) * | 2019-06-21 | 2019-09-03 | 上海大学 | A kind of combination aqueous vapor dynamics subtracts the more body gliders of the high speed shaken |
| CN111332421A (en) * | 2018-12-18 | 2020-06-26 | 英辉南方造船（广州番禺）有限公司 | Longitudinal stabilizing fin for high-speed catamaran and installation method thereof |
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|---|---|---|---|---|
| CN1083004A (en) * | 1992-06-10 | 1994-03-02 | 洛克希德导弹及航天有限公司 | Small waterplane area high speed ship |
| US20030154896A1 (en) * | 2002-02-19 | 2003-08-21 | Lockheed Martin Corporation | Ship constructions for achieving stability at high speed through the use of multiple, low wave-making resistance, submerged hullform pods and control fins |
| CN2639170Y (en) * | 2003-09-02 | 2004-09-08 | 中国船舶重工集团公司第七○二研究所 | Small water plane double-hull ship |
| CN101407245A (en) * | 2007-10-11 | 2009-04-15 | 丛晓峰 | Liftable wake surfing catamaran |
| CN101708767A (en) * | 2009-12-17 | 2010-05-19 | 哈尔滨工程大学 | Multifunctional control device of small waterline plane ship hydrofoil and column rudder |
| CN102407919A (en) * | 2011-09-29 | 2012-04-11 | 夏向东 | High-speed small water-plane catamaran body |
| CN203127096U (en) * | 2013-03-06 | 2013-08-14 | 中国船舶重工集团公司第七○二研究所 | Two-support small waterplane area twin hull |
| CN103318385A (en) * | 2013-07-02 | 2013-09-25 | 哈尔滨工程大学 | Joint automatic control device for inner flaps/outer flaps of hydrofoil catamaran |
| CN207311760U (en) * | 2017-08-29 | 2018-05-04 | 中国船舶科学研究中心上海分部 | A kind of small waterplane area twin hull ship with stabilising fin |
-
2017
- 2017-08-29 CN CN201710754136.5A patent/CN107539420A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1083004A (en) * | 1992-06-10 | 1994-03-02 | 洛克希德导弹及航天有限公司 | Small waterplane area high speed ship |
| US20030154896A1 (en) * | 2002-02-19 | 2003-08-21 | Lockheed Martin Corporation | Ship constructions for achieving stability at high speed through the use of multiple, low wave-making resistance, submerged hullform pods and control fins |
| CN2639170Y (en) * | 2003-09-02 | 2004-09-08 | 中国船舶重工集团公司第七○二研究所 | Small water plane double-hull ship |
| CN101407245A (en) * | 2007-10-11 | 2009-04-15 | 丛晓峰 | Liftable wake surfing catamaran |
| CN101708767A (en) * | 2009-12-17 | 2010-05-19 | 哈尔滨工程大学 | Multifunctional control device of small waterline plane ship hydrofoil and column rudder |
| CN102407919A (en) * | 2011-09-29 | 2012-04-11 | 夏向东 | High-speed small water-plane catamaran body |
| CN203127096U (en) * | 2013-03-06 | 2013-08-14 | 中国船舶重工集团公司第七○二研究所 | Two-support small waterplane area twin hull |
| CN103318385A (en) * | 2013-07-02 | 2013-09-25 | 哈尔滨工程大学 | Joint automatic control device for inner flaps/outer flaps of hydrofoil catamaran |
| CN207311760U (en) * | 2017-08-29 | 2018-05-04 | 中国船舶科学研究中心上海分部 | A kind of small waterplane area twin hull ship with stabilising fin |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111332421A (en) * | 2018-12-18 | 2020-06-26 | 英辉南方造船（广州番禺）有限公司 | Longitudinal stabilizing fin for high-speed catamaran and installation method thereof |
| CN110194239A (en) * | 2019-06-21 | 2019-09-03 | 上海大学 | A kind of combination aqueous vapor dynamics subtracts the more body gliders of the high speed shaken |
| CN110194239B (en) * | 2019-06-21 | 2020-04-28 | 上海大学 | High-speed multi-body planing boat combined with hydro-pneumatic stabilization |
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