CN108945285A - A kind of three stepped planing crafts - Google Patents
A kind of three stepped planing crafts Download PDFInfo
- Publication number
- CN108945285A CN108945285A CN201710359092.6A CN201710359092A CN108945285A CN 108945285 A CN108945285 A CN 108945285A CN 201710359092 A CN201710359092 A CN 201710359092A CN 108945285 A CN108945285 A CN 108945285A
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- CN
- China
- Prior art keywords
- floor
- hull
- tail portion
- head
- air
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B3/00—Hulls characterised by their structure or component parts
- B63B3/14—Hull parts
- B63B3/46—Stems
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B3/00—Hulls characterised by their structure or component parts
- B63B3/14—Hull parts
- B63B3/44—Bilge keels
-
- 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
- B63B2001/387—Other means for varying the inherent hydrodynamic characteristics of hulls by reducing surface friction using air bubbles or air layers gas filled volumes using means for producing a film of air or air bubbles over at least a significant portion of the hull surface
-
- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Wind Motors (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
Abstract
The present invention relates to a kind of three stepped planing crafts, three stepped planing craft includes hull, the bottom of the hull includes the first floor being arranged successively from fore body to stern, second floor, third floor, 4th floor, the tail portion of first floor, the tail portion of second floor, the longitudinally disposed multiple air inlet runners in the tail portion of third floor, each air inlet runner includes taper inlet channel and semi-cylindrical outlet passageway, when so that air-flow entering the disconnected grade step between two floors by previous floor along air inlet runner, so that the sectional area of air inlet runner generates mutation, air-flow is formed and is accelerated, so that alow plate surface forms ship bottom laminar air film to air-flow, drag-reduction energy-saving improves the speed of a ship or plane；The head of second floor, the head of third floor, the 4th floor head multiple draining runners are transversely set, when so that air-flow entering through airflow channel, the water of hull bottom can be blowed to draining runner.
Description
Technical field
The present invention relates to ship equipment technical field, especially a kind of three stepped planing crafts.
Background technique
There are many hull shape of glider, common are the flat sled type in bottom surface, high speed slack bulge knuckle types, band break grade and
Without the V-type, inverted V type and channel type of disconnected grade, in addition there are M type, W types etc..
In order to promote the resistance performance of glider, it will usually disconnected grade be arranged at ship bottom, it is discontinuous that planing surface occurs in disconnected grade
Stairstepping.It can be detached from ship bottom when water flow flows through disconnected grade, and form a low pressure hole at disconnected grade rear portion, hole is by hull
Neighbouring air sucks ship bottom, so that reduce ship bottom soaks area, achievees the purpose that drag reduction；Disconnected grade also increases often simultaneously
The aspect ratio of a planing surface, to improve the glide efficiency of planing surface.Existing glider generally uses the setting of double break grade formula,
Such as a kind of three-stage ultrahigh speed yacht, including hull are described in Chinese patent Authorization Notice No. CN205769982U, it is described
Hull fore body be in horizontal V-shape, the smooth oblique ascension transition of left and right two side of a ship of hull midships section to fore body, the hull bottom
Including the first floor, the second floor, third floor being arranged successively from fore body to stern, first floor,
Second floor, third floor are connect with hull respectively, second floor and first floor, third ship
There is gap between bottom plate, first floor, the second floor have the recessed of sleeve configuration on third floor
Slot.Simple inlet duct is arranged in above-mentioned three-stage ultrahigh speed yacht on hull, when hull in the process of moving, air enter
To the bottom of hull, so that the frictional force of hull bottom surface and water is greatly reduced, to further reach acceleration and energy conservation
The effect of emission reduction.The structure of above-mentioned inlet duct and setting position have improved space, to improve intake efficiency.
Summary of the invention
Frictional force simple, that hull bottom surface and water can be reduced that the technical problem to be solved in the present invention is to provide a kind of structures
Three stepped planing crafts.
In order to solve the above technical problems, three stepped planing craft provided by the invention, comprising: the stem of hull, the hull is horizontal
It is in V-shape to section, the smooth oblique ascension transition of left and right two side of a ship of hull midships section to fore body, the bottom of the hull includes from fore body
The first floor, the second floor, third floor, the 4th floor being arranged successively to stern, first floor
Disconnected grade step one, the tail portion of second floor and the third ship are set between tail portion and the head of second floor
Disconnected grade step two is set between the head of bottom plate, is set between the tail portion of the third floor and the head of the 4th floor
Set disconnected grade step three, the tail portion of first floor, the tail portion of second floor, the third floor tail portion edge
Longitudinally disposed air inlet runner, each air inlet runner include taper inlet channel and semi-cylindrical outlet passageway, first floor
The semi-cylindrical outlet passageway of tail portion is communicated with the disconnected grade step one, and the semi-cylindrical outlet of second floor tail portion is logical
Road is communicated with the disconnected grade step two, the semi-cylindrical outlet passageway of third floor tail portion and the disconnected grade step three-phase
It is logical, when so that air-flow entering the disconnected grade step between two floors by previous floor along air inlet runner, so that air inlet runner
Sectional area generates mutation, is formed and is accelerated to air-flow, so that alow plate surface forms ship bottom laminar air film to air-flow, replaces hull
Contact with water, can be effectively reduced hull resistance, and drag-reduction energy-saving improves the speed of a ship or plane；The head of second floor, described
The head of three floors, the 4th floor head multiple draining runners are transversely set so that air-flow enters through airflow channel
When, the water of hull bottom can be blowed to draining runner.
Further, longitudinal midline of the air inlet runner along hull bottom is arranged, the taper inlet channel and semicolumn
The center line of shape outlet passageway is overlapped with the longitudinal midline so that air-flow can rapidly along hull bottom middle line enter it is at different levels
Floor.
Further, the two sides that runner is symmetricly set on hull bottom longitudinal midline, each water inlet for draining runner are respectively drained
The longitudinal midline of neighbouring hull bottom is arranged, and when so that air-flow entering through airflow channel, the water of hull bottom can be blowed to draining
Runner accelerates drainage speed.
Further, the surface coating poly- four of first floor, the second floor, third floor, the 4th floor
Vinyl fluoride coating reduces the frictional resistance of hull bottom surface and water to increase its lubricity.
The technical effect of invention: (1) of the invention three stepped planing crafts, compared with the existing technology, by disconnected grade step
The airflow channel of front setting variable cross-section air-flow is formed and is accelerated so that speed changes when air-flow enters disconnected grade step,
So that alow plate surface forms ship bottom laminar air film to air-flow, replace contact of the hull with water, can be effectively reduced hull resistance
Power, drag-reduction energy-saving improve the speed of a ship or plane；(2) setting for draining runner, so that the water of hull bottom can fast evacuation；(3) first hull bottom
Plate, the second floor, third floor, the 4th floor surface coat polytetrafluorethylecoatings coatings, its lubricity can be increased.
Detailed description of the invention
Invention is further described in detail with reference to the accompanying drawings of the specification:
Fig. 1 is the structural schematic diagram of three stepped planing craft hull bottoms of the invention；
Fig. 2 is the side view of Fig. 1.
In figure: hull 1, the first floor 2, the second floor 3, break grade step 1, third floor 4, and break grade step
2 41, the 4th floor 5, break grade step 3 51, drains runner 6, air inlet runner 7, semi-cylindrical outlet passageway 71, taper air inlet
Channel 72, longitudinal midline 8.
Specific embodiment
Embodiment 1 is as shown in Figure 1 to Figure 2, three stepped planing crafts of the present embodiment, including hull 1, the ship of the hull 1
Bow transversal cross-section is in V-shape, and the smooth oblique ascension transition of left and right two side of a ship of hull midships section to fore body, the bottom of hull 1 includes from fore body
The first floor 2, the second floor 3, the third floor 4, the 4th floor 5 being arranged successively to stern, the first floor 2
Disconnected grade step 1, tail portion and the third floor 4 of the second floor 3 are set between tail portion and the head of the second floor 3
Disconnected grade step 2 41 is set between head, disconnected grade step is set between the tail portion of third floor 4 and the head of the 4th floor 5
3 51, the tail portion of the first floor 2, the tail portion of the second floor 3, third floor 4 tail portion be respectively set along longitudinal direction 1 into
Flow channel 7, longitudinal midline 8 of the air inlet runner 7 along hull bottom are arranged, and each air inlet runner 7 includes taper inlet channel 72 and half
The diameter of cylindrical outlet passageway 71, the small head end of taper inlet channel 72 is identical as semi-cylindrical outlet passageway 71, and taper into
The small head end in gas channel 72 is communicated with semi-cylindrical outlet passageway 71, so that taper inlet channel 72 is in horn-like setting, is convenient for
The air-flow for entering air inlet runner 7 is oriented to；The center line of taper inlet channel 72 and semi-cylindrical outlet passageway 71 and vertical
It is overlapped to the midline, the semi-cylindrical outlet passageway of 2 tail portion of the first floor is communicated with disconnected grade step 1,3 tail of the second floor
The semi-cylindrical outlet passageway in portion is communicated with disconnected grade step 2 41, the semi-cylindrical outlet passageway of 5 tail portion of third floor and disconnected
Grade step 3 51 communicates, so that air-flow is along air inlet runner 7 by entering disconnected grade step 1 on the downside of the first floor 2, by second ship
When entering disconnected grade step 2 41 on the downside of bottom plate 3, breaking grade step 3 51 by entering on the downside of third floor 4, the section of air inlet runner 7
Product generate mutation, to air-flow formed accelerate so that air-flow alow plate surface formed ship bottom laminar air film, replace hull 1 with
The contact of water, can be effectively reduced 1 resistance of hull, and drag-reduction energy-saving improves the speed of a ship or plane；The head of second floor 3, third floor 4
Head, the 4th floor 5 head 2 draining runners 6 are transversely respectively set, each runner 6 that drains is symmetricly set on hull
The two sides of bottom longitudinal midline 8, longitudinal midline 8 of each water inlet for draining runner 6 adjacent to hull bottom is arranged, so that air-flow passes through
When airflow channel 7 enters, the water of hull bottom can be blowed to draining runner 6.First floor 2, the second floor 3, third ship
The surface coating polytetrafluorethylecoatings coatings of bottom plate 4, the 4th floor 5, to increase its lubricity, reduction hull bottom surface and water
Frictional resistance.
Obviously, the above embodiment is merely an example for clearly illustrating the present invention, and is not to of the invention
The restriction of embodiment.For those of ordinary skill in the art, it can also be made on the basis of the above description
Its various forms of variation or variation.There is no necessity and possibility to exhaust all the enbodiments.And these belong to this hair
Bright spiritual changes and variations that derived from are still in the protection scope of this invention.
Claims (4)
1. a kind of three stepped planing crafts characterized by comprising hull, the stem transversal cross-section of the hull are in V-shape, hull
For midships section to the smooth oblique ascension transition of left and right two side of a ship of fore body, the bottom of hull includes the first ship being arranged successively from fore body to stern
Bottom plate, the second floor, third floor, the 4th floor, the tail portion of first floor and second floor
Disconnected grade step one is set between head, disconnected grade is set between the tail portion of second floor and the head of the third floor
Step two, the disconnected grade step three of setting between the tail portion of the third floor and the head of the 4th floor, described first
The tail portion of floor, the tail portion of second floor, the third floor the longitudinally disposed air inlet runner in tail portion, respectively into
Flow channel includes taper inlet channel and semi-cylindrical outlet passageway, the semi-cylindrical outlet passageway of first floor tail portion
It is communicated with the disconnected grade step one, the semi-cylindrical outlet passageway of second floor tail portion and the disconnected grade step two-phase
Logical, the semi-cylindrical outlet passageway of third floor tail portion is communicated with the disconnected grade step three；Second floor
Head, the head of the third floor, the 4th floor head multiple draining runners are transversely set.
2. three stepped planing craft according to claim 1, which is characterized in that longitudinal direction of the air inlet runner along hull bottom
The center line of middle line setting, the taper inlet channel and semi-cylindrical outlet passageway is overlapped with the longitudinal midline.
3. three stepped planing craft according to claim 2, which is characterized in that the draining runner is symmetricly set on hull bottom
The two sides of portion's longitudinal midline, longitudinal midline of each water inlet for draining runner adjacent to hull bottom are arranged.
4. three stepped planing craft according to claim 3, which is characterized in that first floor, the second floor,
The surface coating polytetrafluorethylecoatings coatings of three floors, the 4th floor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710359092.6A CN108945285B (en) | 2017-05-19 | 2017-05-19 | Three-stage planing boat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710359092.6A CN108945285B (en) | 2017-05-19 | 2017-05-19 | Three-stage planing boat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108945285A true CN108945285A (en) | 2018-12-07 |
| CN108945285B CN108945285B (en) | 2023-09-15 |
Family
ID=64462978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710359092.6A Active CN108945285B (en) | 2017-05-19 | 2017-05-19 | Three-stage planing boat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108945285B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2060505A (en) * | 1979-10-11 | 1981-05-07 | Walker H | Water Craft |
| JPH07205875A (en) * | 1994-01-21 | 1995-08-08 | Takehiko Arai | Marine vessel |
| JPH11321774A (en) * | 1998-05-19 | 1999-11-24 | Kawasaki Heavy Ind Ltd | Slide type high speed boat |
| CN101708763A (en) * | 2009-11-20 | 2010-05-19 | 哈尔滨工程大学 | Three-body planing boat with graded structure |
| CN101774419A (en) * | 2010-03-04 | 2010-07-14 | 哈尔滨工程大学 | Three-body skimming boat with oblique stepped structure |
| CN101891006A (en) * | 2010-06-29 | 2010-11-24 | 中国船舶重工集团公司第七〇二研究所 | High-speed rounded bilge type boat utilizing air cavity to reduce resistance |
| CN102050196A (en) * | 2009-11-10 | 2011-05-11 | 威海中复西港船艇有限公司 | Law enforcement high-speed boat |
| CN102085904A (en) * | 2011-01-07 | 2011-06-08 | 哈尔滨工程大学 | Water-sucking and resistance-reducing operating device for prow |
| KR20120041474A (en) * | 2010-10-21 | 2012-05-02 | 삼성중공업 주식회사 | Friction-reducing ship |
| US8291850B1 (en) * | 2007-03-05 | 2012-10-23 | Michael Paul Peters | Stabilized step hull utilizing a ventilated tunnel |
| CN104044720A (en) * | 2013-03-15 | 2014-09-17 | 曹漪 | Function conversion device for bottom air spraying of ships and boats |
| CN106080958A (en) * | 2016-06-12 | 2016-11-09 | 哈尔滨工程大学 | There is the reverse V-shaped Channel type planing boat of the most disconnected level |
| CN206813242U (en) * | 2017-05-19 | 2017-12-29 | 常州玻璃钢造船厂有限公司 | A kind of three stepped planing crafts |
-
2017
- 2017-05-19 CN CN201710359092.6A patent/CN108945285B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2060505A (en) * | 1979-10-11 | 1981-05-07 | Walker H | Water Craft |
| JPH07205875A (en) * | 1994-01-21 | 1995-08-08 | Takehiko Arai | Marine vessel |
| JPH11321774A (en) * | 1998-05-19 | 1999-11-24 | Kawasaki Heavy Ind Ltd | Slide type high speed boat |
| US8291850B1 (en) * | 2007-03-05 | 2012-10-23 | Michael Paul Peters | Stabilized step hull utilizing a ventilated tunnel |
| CN102050196A (en) * | 2009-11-10 | 2011-05-11 | 威海中复西港船艇有限公司 | Law enforcement high-speed boat |
| CN101708763A (en) * | 2009-11-20 | 2010-05-19 | 哈尔滨工程大学 | Three-body planing boat with graded structure |
| CN101774419A (en) * | 2010-03-04 | 2010-07-14 | 哈尔滨工程大学 | Three-body skimming boat with oblique stepped structure |
| CN101891006A (en) * | 2010-06-29 | 2010-11-24 | 中国船舶重工集团公司第七〇二研究所 | High-speed rounded bilge type boat utilizing air cavity to reduce resistance |
| KR20120041474A (en) * | 2010-10-21 | 2012-05-02 | 삼성중공업 주식회사 | Friction-reducing ship |
| CN102085904A (en) * | 2011-01-07 | 2011-06-08 | 哈尔滨工程大学 | Water-sucking and resistance-reducing operating device for prow |
| CN104044720A (en) * | 2013-03-15 | 2014-09-17 | 曹漪 | Function conversion device for bottom air spraying of ships and boats |
| CN106080958A (en) * | 2016-06-12 | 2016-11-09 | 哈尔滨工程大学 | There is the reverse V-shaped Channel type planing boat of the most disconnected level |
| CN206813242U (en) * | 2017-05-19 | 2017-12-29 | 常州玻璃钢造船厂有限公司 | A kind of three stepped planing crafts |
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| Publication number | Publication date |
|---|---|
| CN108945285B (en) | 2023-09-15 |
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