CN104709435A - Triple-hulled manual ventilating supercavitation ship type - Google Patents
Triple-hulled manual ventilating supercavitation ship type Download PDFInfo
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- CN104709435A CN104709435A CN201510090993.0A CN201510090993A CN104709435A CN 104709435 A CN104709435 A CN 104709435A CN 201510090993 A CN201510090993 A CN 201510090993A CN 104709435 A CN104709435 A CN 104709435A
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Abstract
The invention discloses a triple-hulled manual ventilating supercavitation ship type, and belongs to the technical field of ships. The triple-hulled manual ventilating supercavitation ship type comprises an upper hull, a supporting body, a diving body, a propeller shell, propeller blades, a propeller fixed plate, a main body rear end, an outer shell B, an inner segregated ballast tank B, a supercavitation manual ventilating device, an outer shell A, an inner segregated ballast tank A and a main body front end; the upper hull, the supporting body and the diving body are connected to be a whole from top to bottom, the propeller shell, the propeller blades, the propeller fixed plate, the main body rear end, the outer shell B, the inner segregated ballast tank B, the supercavitation manual ventilating device, the outer shell A, the inner segregated ballast tank A and the main body front end are connected to form the diving body. The triple-hulled manual ventilating supercavitation ship type relates to design of special type hulls, the maximum designed sailing speed is at 50 knots, the whole ship is composed of the upper hull, a connection body and the diving body, and the small-waterplane-area feature of the supporting body and the supercavitation effect of the diving body are fully utilized, so that the resistance of the ship is reduced, and the ship speed is improved.
Description
Technical field
The present invention relates to a kind of three body artificial ventilation supercavitation ship types, belong to technical field of ships.By adopting trimeric structure, improve the rough water quality of ship's navigation.Supporter, by adopting small-waterplane-area and streamlined structure, reduces wave making resistance and the pressure drag of ship's navigation.Diving body, by adopting rotational symmetry slender body and supercavitation artificial airway device, makes boats and ships lower apron be air layer parcel, reduces wetted surface, reduce friction drag and pressure drag.This ship type can be used for building the various boats and ships comprising bulge carrier, box ship, public affair ship, warship, is particularly suitable for building hyper-speed public affair ship and Military Ship.
Background technology
at present, technical field of ships also exists speed bottle-neck always, for a long time, the design of boats and ships mostly is unitary construction, is subject to technical bottleneck, single hull rarely exceeds the speed of 35 joints, and boats and ships are once reach 30 joints, resistance sharply increases, and consumption of fuel is quite high, both lacked economy, also very large impact was caused on environment.Current box ship, by the rise of oil price, ship type is increasing, and the speed of a ship or plane is more and more slower, and this is for whole international trade very unfavorable, and long duration of voyage greatly reduces the turnover rate of goods in international trade, increases the operation cost of foreign trade enterprise.In addition, the too low speed of a ship or plane of public affair ship is in rescue and relief work, and many aspects such as Oceanic disasters process are all in unfavorable situation, and after the MH370 accident of Ma Hang, Chinese the fastest rescue boat arrives the South Sea also needs about more than 30 hours time.
Although novel ship continues to bring out, as binary small waterline plane ship, all-wing aircraft ship, air cushion vehicle, multihull vehicle etc., these ship types are mainly used in military field, and ship design is complicated, and cost is high.Shortcoming in addition in the design of these novel ships determines them and can only be applied in the boats and ships of little tonnage, and for the large transport ship of tonnage more than 3000 tons, or operation tonnage is more than the warship of more than 1500 tons, is all comparatively difficult at present realize.
Summary of the invention
For the problems referred to above, the present invention aims to provide a kind of three body artificial ventilation supercavitation ship types.Trimeric structure and supercavitation artificial airway device is utilized to realize the high speed operation of boats and ships.
For realizing this technical purpose, the solution of the present invention is: the first, adopts trimeric structure, reduces wave making resistance.The lower apron of trimaran is more elongated, and single diving body aspect ratio is up to more than 30, and the torpedo type axially symmetric structure of ultra-fine length, less to propeller flow disturbing influence, wave making resistance is little.Vital parts design at midbody, utilize both sides hull to form certain shielding, also substantially increase damage-retardation ability during shipping high speed navigation.Tri-body ship type has good stability after necessarily adjusting, and compared with the single ship body of equal displacement, trimaran improves rough water quality, can keep high speed operation under high sea situation.Stream line pattern small-waterplane-area continuous beam bridge-type supporter, can reduce wave making resistance and the pressure drag of structure near the boats and ships water surface; Especially when high speed operation, wave making resistance can significantly reduce, and navigability is strong.Meanwhile, supporter continuous beam bridge designs, and is also conducive to turnability when improving the high speed of a ship or plane.
Second, after producing supercavitation by the cavitation device installing different shape in front portion additional, then pass into extraneous air via supercavitation artificial airway device, increase the internal pressure of the supercavitation that head cavitation device is formed, form artificial ventilation's supercavitation state, allow air layer wrap up diving body.When there is high speed relative motion between sail body and water, the water of sail body near surface undergoes phase transition because of low pressure, after artificial ventilation forms the supercavitation covering sail body major part or all surfaces, sail body will navigate by water in gas, because the friction drag of sail body in water is about 850 times of friction drag in atmosphere, therefore, the application of supercavitation technology can make the friction drag of underwater sailing body significantly reduce.Accordingly, the speed of sail body can improve greatly.
Accompanying drawing explanation
Fig. 1 is three body artificial ventilation supercavitation ship overall construction drawings
Fig. 2 is upper hull constructional drawing
Fig. 3 is supporting body structure figure
Fig. 4 is diving body composition constructional drawing
Fig. 5 is supercavitation artificial airway device constructional drawing
Fig. 6 is supercavitation artificial airway device local detail enlarged diagram one
Fig. 7 is supercavitation artificial airway device local detail enlarged diagram two
Parts title and sequence number in figure:
Upper hull (100), supporter (200), diving body (300), turbofan air inlet pipe (101), upper hull high-pressure air duct (102), supporter reinforces steelframe (202), supporter high-pressure air duct (204), supporter steelframe (203), propelling unit shell (301), propeller blade (302), propelling unit adapter plate (303), body rear (304), body skin B(305), inner ballast cofferdam B (306), supercavitation artificial airway device (307), shell A(308), inner ballast cofferdam A(309), body front end (310), diving body high-pressure air duct (311), supercavitation artificial airway device superhigh pressure air inlet pipe (312), artificial ventilation's groove (313).
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further details.
Embodiment 1:
As shown in Fig. 1 and Fig. 2 Fig. 3 Fig. 4 Fig. 5 Fig. 6, the present invention relates to specific type boats and ships general design field, whole ship type is made up of upper hull (100), supporter (200), diving body (300) three part.Propelling unit shell (301), propeller blade (302), propelling unit adapter plate (303), body rear (304), body skin B(305), inner ballast cofferdam B (306), supercavitation artificial airway device (307), shell A(308), inner ballast cofferdam A(309), body front end (310) connects to form diving body (300), artificial ventilation's supercavitation effect of the small-waterplane-area and diving body (300) that make full use of supporter (200) reduces ship resistance, improves ship speed.What adopt in the present invention's design is three body small-waterplane-area structures, and hull is divided into upper hull (100), supporter (200) and diving body (300).Wherein upper hull (100) is piece frame structure, deck of cellar is arranged two cover turbofan air inlet pipe (101), the as a whole induction tracts of artificial ventilation's supercavitation.Supporter (200) and diving body (300) are stream line pattern trimeric structure.Supporter (200) designs, by strengthening its wrap strengthens steelframe (202) and supporting steel frame (203), as the main load pillar of whole design for continuous beam bridge.Diving body (300) is the design of torpedo type axially symmetric structure, body front end (310) is streamlined reefer housing, different cavitation devices can be installed additional according to different technical requirementss, form the supercavitation of different shape, centre is supercavitation artificial airway device (307), by through upper hull (100), supporter (200), high-pressure air duct road (102) (204) (311) of diving body (300), air is imported to diving body (300) from upper hull (100), and via after superhigh pressure air inlet pipe (312) pressurization of supercavitation artificial airway device, again by artificial ventilation's groove (313), discharge backward, maintain stable supercavitation state, diving body is made to be air layer parcel.Afterbody is propelling unit (301) (302) (303).
embodiment 2:
As shown in Fig. 1 Fig. 3, normal shipboard aspect ratio is smaller, hull is roomy, pressure drag and the wave making resistance of hull are large, in the present invention, supporter (200) and diving body (300) are trimeric structure, supporter (200) adopts continuous beam bridge small-waterplane-area structure, and diving body (300) is ultra-fine long torpedo type axially symmetric structure, greatly reduces interacting of current.During high speed operation, wave making resistance accounts for the 30-50% of total drag, therefore improves the cross section structure near waterline, can greatly reduce running resistance.
Embodiment 3:
As shown in Figure 4 and 1, for avoiding high speed operation boats and ships horizontal and vertical impact of rocking stability of ship time.Huge diving body is have employed in the present invention, this makes power system, fuel system and fresh water system all can be arranged in internal ballast tanks in diving body (306) (308), not only greatly save the space of upper hull (100), also the weight of diving body (300) is increased, avoid horizontal and vertical rock on high-speed aircraft to impact, also improve the static stability of boats and ships simultaneously.
Embodiment 4:
As shown in Fig. 1 Fig. 4 Fig. 5, adopting the design of artificial ventilation's supercavitation, is key of the present invention.Diving body (300) bulky in the present invention, wetted surface is long-pending, and also more conventional ship type is much larger.During middle lowsteaming (50 joint following), friction drag accounts for the ratio of total drag up to 50%-80%, therefore reduces the area of contact of lower apron and water, is to be related to the key that can ship resistance reduce.There is no effective way at present in the world and reduce friction drag, common way adopts the paint of coating high glossy to solve.But the method effect is general.Although air cushion vehicle and all-wing aircraft ship can solve by departing from the water surface, this method is also not suitable for large-tonnage ship.Have employed supercavitation artificial airway device (307) in the present invention to realize reducing friction drag.First head is utilized to install the cavitation device of different shape additional, form initial supercavitation, then by being arranged at the supercavitation artificial airway device (307) that underwater sailing body (diving body (300)) is arranged at a certain distance, when boat trip speed reaches certain speed of a ship or plane (about 20 joint), pass into a certain amount of high pressure gas, and discharge via high pressure air channel (313), increase the internal pressure of the initial supercavitation that head is formed, maintain the supercavitation form produced by head cavitation device, and make it to extend back, utilize the parcel of air layer realization to underwater sailing body (diving body (300)), after artificial ventilation forms the supercavitation covering sail body major part or all surfaces, sail body will navigate by water in gas, because the friction drag of sail body in water is about 850 times of friction drag in atmosphere, therefore, the application of supercavitation technology can make the friction drag of underwater sailing body significantly reduce.Accordingly, the speed of sail body can improve greatly.
The above; be only preferred embodiment of the present invention; not in order to limit the present invention, every above embodiment is done according to technical spirit of the present invention any trickle amendment, equivalently replace and improve, within the protection domain that all should be included in technical solution of the present invention.
Claims (7)
1. three body artificial ventilation supercavitation ship types, comprise upper hull (100), supporter (200), diving body (300), propelling unit shell (301), propeller blade (302), propelling unit adapter plate (303), body rear (304), body skin B (305), inner ballast cofferdam B (306), supercavitation artificial airway device (307), body skin A (308), inner ballast cofferdam A (309), body front end (310), is characterized in that: described upper hull (100), supporter (200) and diving body (300) connect as a whole from top to down successively, described propelling unit shell (301), propeller blade (302), propelling unit adapter plate (303), body rear (304), body skin B (305), inner ballast cofferdam B (306), supercavitation artificial airway device (307), body skin A (308), inner ballast cofferdam A (309) and body front end (310) connect to form diving body (300).
2. three body artificial ventilation supercavitation ship types according to claim 1, it is characterized in that: described upper hull (100) is unitary construction, upper hull (100) arranges left and right two cover turbofan air inlet pipe (101) structure, supporter (200) and diving body (300) are trimeric structure, wherein supporter (200) designs for continuous beam bridge, and high-pressure air duct road (102) (204) (311) run through upper hull (100), supporter (200), diving body (300) three parts.
3. three body artificial ventilation supercavitation ship types according to claim 1, is characterized in that: adopt supporter (200) to be fixed together between described upper hull (100) and diving body (300).
4. three body artificial ventilation supercavitation ship types according to claim 1, is characterized in that: the below of described upper hull (100) connects three diving bodies (300).
5. three body artificial ventilation supercavitation ship types according to claim 1, it is characterized in that: described supporter (200) is streamlined structure, diving body (300) is torpedo type axially symmetric structure.
6. three body artificial ventilation supercavitation ship types according to claim 1, it is characterized in that: described diving body (300) continuous uniform distribution supercavitation artificial airway device (307), wherein, supercavitation artificial airway device (307) surrounding is designed to ring-type high pressure air channel (313).
7. three body artificial ventilation supercavitation ships according to claim 1, it is characterized in that: described supercavitation artificial airway device (307) has eight, body skin A(308) and inner ballast cofferdam A(309) respectively there are seven, supporter (200) has 102.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510090993.0A CN104709435A (en) | 2015-03-01 | 2015-03-01 | Triple-hulled manual ventilating supercavitation ship type |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510090993.0A CN104709435A (en) | 2015-03-01 | 2015-03-01 | Triple-hulled manual ventilating supercavitation ship type |
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| CN104709435A true CN104709435A (en) | 2015-06-17 |
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| CN201510090993.0A Pending CN104709435A (en) | 2015-03-01 | 2015-03-01 | Triple-hulled manual ventilating supercavitation ship type |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106956746A (en) * | 2016-01-11 | 2017-07-18 | 刘明江 | High-speed boat |
| CN109334857A (en) * | 2018-10-26 | 2019-02-15 | 中国船舶重工集团公司第七〇九研究所 | A kind of surface vessel Bubbles Wake abatement device |
| CN109466687A (en) * | 2017-09-08 | 2019-03-15 | 中国科学院沈阳自动化研究所 | A kind of high speed surface ship using ventilation cavitation drag reduction method |
| CN110027669A (en) * | 2019-05-09 | 2019-07-19 | 哈尔滨工程大学 | A kind of ventilation drag reduction corbeling for supercavity water surface ship |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106956746A (en) * | 2016-01-11 | 2017-07-18 | 刘明江 | High-speed boat |
| CN106956746B (en) * | 2016-01-11 | 2018-11-27 | 刘明江 | High-speed boat |
| CN109466687A (en) * | 2017-09-08 | 2019-03-15 | 中国科学院沈阳自动化研究所 | A kind of high speed surface ship using ventilation cavitation drag reduction method |
| CN109466687B (en) * | 2017-09-08 | 2023-09-15 | 中国科学院沈阳自动化研究所 | High-speed surface boat adopting ventilation cavitation drag reduction method |
| CN109334857A (en) * | 2018-10-26 | 2019-02-15 | 中国船舶重工集团公司第七〇九研究所 | A kind of surface vessel Bubbles Wake abatement device |
| CN109334857B (en) * | 2018-10-26 | 2024-04-12 | 中国船舶重工集团公司第七一九研究所 | Bubble wake flow reduction device for water surface ship |
| CN110027669A (en) * | 2019-05-09 | 2019-07-19 | 哈尔滨工程大学 | A kind of ventilation drag reduction corbeling for supercavity water surface ship |
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Application publication date: 20150617 |
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