CN106741585B - It is a kind of activity faulted-stage, bubble drag-reduction ground effect ship - Google Patents
It is a kind of activity faulted-stage, bubble drag-reduction ground effect ship Download PDFInfo
- Publication number
- CN106741585B CN106741585B CN201611192575.3A CN201611192575A CN106741585B CN 106741585 B CN106741585 B CN 106741585B CN 201611192575 A CN201611192575 A CN 201611192575A CN 106741585 B CN106741585 B CN 106741585B
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- faulted
- stage
- ground effect
- effect ship
- activity
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- 230000000694 effects Effects 0.000 title claims abstract description 103
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 238000004891 communication Methods 0.000 claims abstract description 4
- 230000009471 action Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 3
- 230000035939 shock Effects 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 4
- 239000013535 sea water Substances 0.000 description 4
- 230000010355 oscillation Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- 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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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a kind of movable faulted-stage, bubble drag-reduction ground effect ships comprising：It is placed in ground effect ship hull bottom, one end is flexibly connected by shaft with ground effect ship hull bottom and the movable faulted-stage that can around the shaft be rotated in faulted-stage retractable room under the control of transmission device, the cavity structure as gas chamber is formed with inside the activity faulted-stage rear end, the gas chamber side is connected to via plenum duct with snorkel, and the other side is in communication with the outside via several fumaroles being distributed on the faulted-stage face of the movable faulted-stage rear end；It is formed on the faulted-stage retractable room of ground effect ship hull bottom；It is fixed in the air pump of ground effect ship hull bottom, which conveys air via snorkel, plenum duct to gas chamber；It is placed in the indoor transmission device of faulted-stage folding and unfolding；And two longitudinal skirtboards for being symmetrically placed in ground effect ship vertical profile center line both sides.The present invention can effectively reduce take off resistance of the ground effect ship in take-off process, and shock loading is effectively reduced in descent.
Description
Technical field
The invention belongs to high-performance ship design fields, and in particular to it is a kind of activity faulted-stage, bubble drag-reduction ground effect wing
Ship.
Background technology
Ground effect ship is to generate additional lift using the ground effect wing, there is larger lift resistance ratio and extreme low-altitude high-performance cruise ability
, a kind of novel high speed ship between aircraft and conventional drainage type ship, with incomparable excellent resistance to of general naval vessels
Wave and high boat property, are widely used, and wide market in military and civilian field, become international shipping hair in recent years
One of hot spot of exhibition.Although various countries achieve the progress advanced by leaps and bounds to the research of ground effect ship in recent years, still remain
Following technical barrier：(1) resistance peak is big in take-off process, and the required distance that takes off makes hull that can not quickly be lifted away from the water surface；
(2) land during water, the shock loading suffered by hull is larger, be easy to cause hull fatigue, or even destroy.This not only relationship
To the mobility of ground effect ship, independent activities ability and practical development space, it is often more important that be related to its safety.
Solution to the problems described above mainly has at present：Engine is installed in stem or has the water of ramping angle using bottom
The technologies such as sledge.But above technical scheme haves the shortcomings that different and shortcoming.Such as power-boosting or dynamic air cushion
Technology makes takeoff data, Hull Strength, stability and the sea-keeping of ground effect ship be obtained for improvement, but is into cruise speed
When spending, most of engine is idle, causes the burden in quality and waste economically, further, while this ground effect ship is pacified
Improve takeoff data equipped with front engine, but draining and coast period ground effect ship before take-off still relies on hull
Each lifting surface provides support；It, may such as using general hydrofoil or hydroskis although take off resistance and power can be reduced
Water is entered with the negative angle of attack when entering water, the excessive trim of ground effect ship is caused and is drawn into water and is allowed to damage.
Invention content
In view of defects in the prior art, the invention aims to provide a kind of novel movable faulted-stage, bubble subtracts
Ground effect ship is hindered, has many advantages, such as takeoff data and to enter water functional.
To achieve the goals above, technical scheme of the present invention：
It is a kind of activity faulted-stage, bubble drag-reduction ground effect ship, which is characterized in that including：
It is placed in ground effect ship hull bottom, one end is flexibly connected by shaft with ground effect ship hull bottom and can be in transmission device
Control under the movable faulted-stage that is rotated around the shaft in faulted-stage retractable room, be formed with as gas inside the activity faulted-stage rear end
The cavity structure of room, the gas chamber side are connected to via plenum duct with snorkel, and the other side is disconnected via the activity is distributed in
Several fumaroles on the faulted-stage face of rank rear end are in communication with the outside；
It is formed on the faulted-stage retractable room of ground effect ship hull bottom, which has store the movable faulted-stage half
Enclosure space；
It is fixed in the air pump of ground effect ship hull bottom, which conveys air via snorkel, plenum duct to gas chamber；
It is placed in the indoor transmission device of faulted-stage folding and unfolding, the transmission device is driving the movable faulted-stage to be received
Put action；
And two longitudinal skirtboards for being symmetrically placed in ground effect ship vertical profile center line both sides, the longitudinal direction skirtboard is described in
Movable faulted-stage rear end extends along hull bottom molded line to ground effect ship rear end.
Further, the preferred embodiment as the present invention
The activity faulted-stage is provided with sleeve with shaft junction, and the shaft passes through the sleeve to imitate movable faulted-stage and ground
Wing ship hull bottom is connected as one.
Further, the preferred embodiment as the present invention
The yawing angle of the activity faulted-stage is -15 ° to 10 °.
Further, the preferred embodiment as the present invention
The maximum width of the activity faulted-stage is the 0.5~0.7 of the ground effect ship beam, and the movable faulted-stage most greatly enhances
Wide ratio is 1/3~1.
Further, the preferred embodiment as the present invention
The shaft is placed at the position of ground effect ship bow 0.2l~0.4l, and wherein l is ground effect ship captain.
Further, the preferred embodiment as the present invention
The length of the gas chamber is the 0.2~0.4 of the movable faulted-stage maximum length.
Further, the preferred embodiment as the present invention
The transmission device includes：It the electric pushrod that connect with the movable faulted-stage by bearing and is driven for passing through
The electric pushrod drive activity faulted-stage carries out the controller of folding and unfolding action.
Further, the preferred embodiment as the present invention
The fumarole is prepared using resistant material.
Further, the preferred embodiment as the present invention
It is described longitudinal direction skirtboard height be 5~15cm, the 20%~40% of the length of captain.
Compared with prior art, beneficial effects of the present invention：
A kind of movable faulted-stage bubble drag-reduction ground effect ship provided by the invention, the present invention can effectively reduce ground effect ship
The resistance that takes off in take-off process, and shock loading is effectively reduced in descent.
Description of the drawings
Fig. 1 is movable faulted-stage of the present invention, bubble drag-reduction ground effect ship side view；
Fig. 2 is movable faulted-stage of the present invention, bubble drag-reduction ground effect ship rearview；
Fig. 3 is the partial enlarged view at (I) in Fig. 1；
Partial enlarged view in Fig. 4 Fig. 2 at (II)；
Fig. 5 is movable faulted-stage of the present invention, bubble drag-reduction ground effect ship bottom view.
In figure：1, movable faulted-stage, 11, faulted-stage face, 2, shaft, 3, air pump, 4, snorkel, 5, gas chamber, 51, plenum duct,
6, faulted-stage retractable room, 7, transmission device, 71, electric pushrod, 72, controller, 8, fumarole, 9, longitudinal skirtboard, A, longitudinal skirtboard
Extended position.
Specific implementation mode
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached in the embodiment of the present invention
Figure, is clearly and completely described technical scheme of the present invention, it is clear that described embodiment is that a part of the invention is real
Example is applied, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creation
Property labour under the premise of the every other embodiment that is obtained, shall fall within the protection scope of the present invention.
As shown in Figures 1 to 5, movable faulted-stage of the present invention, bubble drag-reduction ground effect ship comprising：
Movable faulted-stage 1, air pump 3, snorkel 4, gas chamber 5, faulted-stage retractable room 6, transmission device 7, fumarole 8, is indulged at shaft 2
To skirtboard 9；As shown in figure 3, the activity faulted-stage 1, which is placed in ground effect ship hull bottom, can be used as a ground effect ship hull bottom part, one
End is flexibly connected with ground effect ship hull bottom by shaft 2 and can be rotated in faulted-stage retractable room 6 under the control of transmission device 7
Axis 2 is rotated, and the cavity structure as gas chamber 5, the gas chamber side are formed with inside the activity faulted-stage rear end (i.e. tail portion)
It is connected to snorkel 4 via plenum duct 51, if the other side is via being distributed on the faulted-stage face 11 of the movable faulted-stage rear end
Dry fumarole 8 is in communication with the outside, as shown in figure 4,；The faulted-stage retractable room 6 is formed on ground effect ship hull bottom, has storage
The hemi-closure space of the activity faulted-stage；The air pump 3 is fixed in ground effect ship hull bottom close to the position of movable faulted-stage 1, is somebody's turn to do
Air pump 3 conveys air via snorkel 4, plenum duct 51 to gas chamber；The transmission device 7 to drive the movable faulted-stage into
Row folding and unfolding acts, and is placed in the faulted-stage retractable room；There are two the longitudinal direction skirtboards 9, and the two is symmetrically placed in ground effect wing
Ship vertical profile center line both sides and each longitudinal skirtboard is imitated with extending to from the movable faulted-stage rear end along hull bottom molded line
At rear end, that is, location A of wing ship, as shown in Figure 5.
Further, the preferred embodiment as the present invention
The activity faulted-stage 1 is provided with sleeve (not shown) with 2 junction of shaft, and the shaft will across the sleeve
Movable faulted-stage is connected as one with ground effect ship hull bottom.
Further, the preferred embodiment as the present invention
The yawing angle of the activity faulted-stage 1 is -15 ° to 10 °；The yawing angle, that is, movable faulted-stage rotates
The rotational angle of axis.
Further, the preferred embodiment as the present invention
The maximum width of the activity faulted-stage 1 is the 0.5~0.7 of the ground effect ship beam, and the maximum of the movable faulted-stage
Length-width ratio is 1/3~1.
Further, the preferred embodiment as the present invention
The shaft 2 is placed at the position of ground effect ship bow 0.2l~0.4l, and wherein l is ground effect ship ship
It is long.
Further, the preferred embodiment as the present invention
The length of the gas chamber 5 is the 0.2~0.4 of the movable faulted-stage maximum length.
Further, the preferred embodiment as the present invention
The transmission device 7 includes：It the electric pushrod 71 that is connect with the movable faulted-stage by rolling bearing and is used for
By driving the electric pushrod drive activity faulted-stage to carry out the controller 72 of folding and unfolding action.
Further, the preferred embodiment as the present invention
The fumarole 8 is prepared using resistant material.
Further, the preferred embodiment as the present invention
It is described longitudinal direction skirtboard height be 5~15cm, the 20%~40% of the length of captain.
Based on said program, ground effect ship provided by the present invention, movable faulted-stage is connect by shaft with hull bottom, is passed through
Transmission device controls it and rotates upwardly and downwardly around the shaft, ranging from -15 ° to 10 ° of corresponding angle of oscillation, and the activity faulted-stage is accordingly
Imitate three kinds of working conditions of wing ship：Takeoff operation enters water working condition and average flight state, in the work shape that takes off
Adjusting activity faulted-stage pivot angle is 0 ° when state, i.e., parallel with horizontal plane, is in normal faulted-stage state；When in average flight state
Movable faulted-stage, which is upwards collected through, adjusts angle of oscillation to 10 °, and the release downwards of activity faulted-stage, which is adjusted, when being in into water working condition shakes
Pivot angle is to -15 °；Hull bottom is arranged air pump and makes it close to movable faulted-stage retractable room, can be generated in takeoff operation
The gas of required pressure, and by snorkel into air inlet chamber, such ground effect ship can by fumarole jet backward, while
During use, needs progress jet to turn off afterwards for a period of time when ground effect ship just takes off from the water surface and soaked to avoid by seawater
Wet air-jet device exposure is corroded in air；The gas chamber is arranged in the rear end of movable faulted-stage, can prevent seawater edge from sending
Feed channel enters air pump and corrodes air pump；The faulted-stage retractable room of semi-closed structure can separate hull interior and seawater；
The electric pushrod is made of motor push rod and controller, and controller driving motor push rod affects movable faulted-stage to rotate upwardly and downwardly；Institute
Bubble laterally escape can be reduced by stating longitudinal skirtboard, ensure hull bottom bubble layer to have the function that drag reduction.It is demonstrated experimentally that passing through
Bubble drag-reduction technology of the present invention can make the drag reduction 20%-30% or so that takes off of ground effect ship, in addition movable faulted-stage
And the setting of gas chamber being capable of effective solution seawater corrosion problem；Simultaneously in descent, movable faulted-stage contacts water first
Face can play the role of slowing down impact.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (8)
1. a kind of activity faulted-stage, bubble drag-reduction ground effect ship, which is characterized in that including：
It is placed in ground effect ship hull bottom, one end is flexibly connected by shaft with ground effect ship hull bottom and can be in the control of transmission device
The movable faulted-stage rotated around the shaft in faulted-stage retractable room under system is formed with as gas chamber inside the activity faulted-stage rear end
Cavity structure, the gas chamber side are connected to via plenum duct with snorkel, after the other side is via the movable faulted-stage is distributed in
Several fumaroles on the faulted-stage face at end are in communication with the outside；
It is formed on the faulted-stage retractable room of ground effect ship hull bottom, which, which has, stores the semiclosed of the movable faulted-stage
Space；
It is fixed in the air pump of ground effect ship hull bottom, which conveys air via snorkel, plenum duct to gas chamber；
It is placed in the indoor transmission device of faulted-stage folding and unfolding, the transmission device is dynamic to drive the movable faulted-stage to carry out folding and unfolding
Make；
And two longitudinal skirtboards for being symmetrically placed in ground effect ship vertical profile center line both sides, the longitudinal direction skirtboard is from the activity
Faulted-stage rear end extends along hull bottom molded line to ground effect ship rear end；
The transmission device includes：The electric pushrod that connect with the movable faulted-stage by bearing and for by described in driving
Electric pushrod drive activity faulted-stage carries out the controller of folding and unfolding action.
2. activity faulted-stage according to claim 1, bubble drag-reduction ground effect ship, it is characterised in that：
The activity faulted-stage is provided with sleeve with shaft junction, and the shaft passes through the sleeve by movable faulted-stage and ground effect ship
Hull bottom is connected as one.
3. activity faulted-stage according to claim 1, bubble drag-reduction ground effect ship, it is characterised in that：
The yawing angle of the activity faulted-stage is -15 ° to 10 °.
4. activity faulted-stage according to claim 1, bubble drag-reduction ground effect ship, it is characterised in that：
The maximum width of the activity faulted-stage is the 0.5~0.7 of the ground effect ship beam, and the maximum length-width ratio of the movable faulted-stage
It is 1/3~1.
5. activity faulted-stage according to claim 1, bubble drag-reduction ground effect ship, it is characterised in that：
The shaft is placed at the position of ground effect ship bow 0.2l~0.4l, and wherein l is ground effect ship captain.
6. activity faulted-stage according to claim 1, bubble drag-reduction ground effect ship, it is characterised in that：
The length of the gas chamber is the 0.2~0.4 of the movable faulted-stage maximum length.
7. activity faulted-stage according to claim 1, bubble drag-reduction ground effect ship, it is characterised in that：
The fumarole is prepared using resistant material.
8. activity faulted-stage according to claim 1, bubble drag-reduction ground effect ship, it is characterised in that：
It is described longitudinal direction skirtboard height be 5~15cm, the 20%~40% of the length of captain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611192575.3A CN106741585B (en) | 2016-12-21 | 2016-12-21 | It is a kind of activity faulted-stage, bubble drag-reduction ground effect ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611192575.3A CN106741585B (en) | 2016-12-21 | 2016-12-21 | It is a kind of activity faulted-stage, bubble drag-reduction ground effect ship |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106741585A CN106741585A (en) | 2017-05-31 |
| CN106741585B true CN106741585B (en) | 2018-09-04 |
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ID=58896880
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611192575.3A Expired - Fee Related CN106741585B (en) | 2016-12-21 | 2016-12-21 | It is a kind of activity faulted-stage, bubble drag-reduction ground effect ship |
Country Status (1)
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| CN (1) | CN106741585B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109614644B (en) * | 2018-11-02 | 2023-03-14 | 中国航空工业集团公司西安飞机设计研究所 | Method for evaluating power lift-increasing effect of external blowing type flap layout airplane |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2350314Y (en) * | 1998-12-09 | 1999-11-24 | 王绍雄 | Amphibious wing boat |
| CN104044720A (en) * | 2013-03-15 | 2014-09-17 | 曹漪 | Function conversion device for bottom air spraying of ships and boats |
| KR102106939B1 (en) * | 2015-04-27 | 2020-05-08 | 한국조선해양 주식회사 | Air lubrication device for ships |
| CN205417989U (en) * | 2016-02-02 | 2016-08-03 | 南京航空航天大学 | A bubble fairing for aquatic navigation body |
| CN206351754U (en) * | 2016-12-21 | 2017-07-25 | 大连理工大学 | A kind of movable faulted-stage, bubble drag-reduction ground effect ship |
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| CN106741585A (en) | 2017-05-31 |
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Granted publication date: 20180904 |