CN202923831U - High-performance ocean tuna purse seiner - Google Patents
High-performance ocean tuna purse seiner Download PDFInfo
- Publication number
- CN202923831U CN202923831U CN2012206046166U CN201220604616U CN202923831U CN 202923831 U CN202923831 U CN 202923831U CN 2012206046166 U CN2012206046166 U CN 2012206046166U CN 201220604616 U CN201220604616 U CN 201220604616U CN 202923831 U CN202923831 U CN 202923831U
- Authority
- CN
- China
- Prior art keywords
- ship
- hull
- bulbous bow
- ocean
- high performance
- Prior art date
- 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.)
- Expired - Fee Related
Links
- 238000007747 plating Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000005096 rolling process Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000000203 mixture Substances 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 230000001141 propulsive effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000003653 coastal water Substances 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model relates to a high-performance ocean tuna purse seiner, which comprises a purse seiner body (1), wherein the tail part of the purse seiner body (1) is provided with a tail shaft (2), and a propeller (3) is arranged on the tail shaft (2). The high-performance ocean tuna purse seiner is characterized in that the head part of the purse seiner body (1) is provided with a forward extending bulbous bow (4), and the bulbous bow (4) is positioned below the water line of the head part of the purse seiner body and is in a flat flow line shape. Through head waves generated through the arrangement of the bulbous bow with the appearance can generate beneficial interference with the waves of the main purse seiner body, so the wave resistance components of the whole purse seiner can be greatly reduced, the flat flow line shape can effectively reduce the pressure difference resistance component of the head part of the purse seiner, the energy saving and the emission reduction are realized, the ocean tuna purse seining operation efficiency is improved, and the sustainable development of the ocean fishing industry is promoted.
Description
Technical field
The utility model belongs to the technical field that ship design is built, and relates in particular to a kind of High Performance ocean tuna seine ship.
Background technology
Since United Nations's " Seal Law Convention " puts into effect, the division of 200-nautical-mile exclusive economic zone has produced profound influence to the development of world ocean fishery, the ocean fishery has become the trend of current international Development for Distant Water Fishery, this situation is impelled and is fished for fishing boat and need go out the off-lying sea operation, seek the off-lying sea resource, not enough to make up the coastal waters aquatic resources.The high-performance large-scale ocean fishing vessel is to greatly develop ocean and the most important hardware condition of off-sea fishery.And in pelagic fishery, the status of Tuna Fisheries has very important.The output of world's fishery of tuna purse seine accounts for more than 60% of Tuna Fisheries total make, and due to aboundresources, good in economic efficiency, the development of tuna seine vessel receives the very big concern in the world main pelagic fishery country and area.In addition, the enforcement of various energy-saving and emission-reduction and the new rule of safety from the world today, and the requirement of tuna seine fishing operation two aspects are necessary to develop all excellent new ship types of ocean tuna seine ship of a kind of resistance performance, propulsion quality and stability.
Patent about this purse seiner does not retrieve at present, although it is that the Chinese utility model patent " a kind of steel fishing boat body " of ZL95223253.7 (notification number is CN 2270013Y) has disclosed a kind of good stability, holder power is large, rough water quality good that a patent No. is arranged, be fit to oceangoing hull, but drag reduction power performance, propulsion quality and stability can further improve also.
The utility model content
Technical problem to be solved in the utility model is the High Performance ocean tuna seine ship that provides a kind of for above-mentioned prior art present situation and can reduce hull resistance, improves propeller propulsive efficiency and ship's navigation stability.
The utility model solves the problems of the technologies described above the technical scheme that adopts: a kind of High Performance ocean tuna seine ship, comprise hull, the afterbody of hull is provided with tailing axle, screw propeller is installed on tailing axle, it is characterized in that: the stem of described hull has the bulbous bow that extends forward, this bulbous bow is positioned at the underwater of hull stem, and bulbous bow is flat stream line pattern.
Draw through test, the length of above-mentioned bulbous bow is 1/20th of hull total length.Can make hull reduce the wave making resistance of whole boats and ships largelyr.
Above-mentioned hull comprises body and square tail after body in ship, ship, in ship, body is stream line pattern, in ship body be positioned at after ship between body and bulbous bow and with ship after body and bulbous bow smooth connection, described tailing axle arranges on the aft end face of body in ship, and be arranged in ship body elevation profile along its length, after described ship, the line style of body afterbody is for reversing the asymmetric helix that forms to the hull larboard around the tailing axle axis, and after described ship, the top of body afterbody extends back and forms described square tail.
After asymmetric spiral ship, the advantage of body is: after the place ahead incoming flow is through body afterbody after the asymmetric helix ship of distortion, can the tail region of body produce a kind of wake flow with pre-swirl effect after ship, and this wake flow with pre-swirl effect can make screw propeller obtain the larger incoming flow angle of attack, produce larger thrust, thereby improve the propulsion coefficient of boats and ships.
Above-mentioned square tail perpendicular to ship after body tail end face and be obliquely installed obliquely from the horizontal by an inclination angle.When shipping high speed navigates by water, can form a cavity that there is no water in the bottom of square tail, this cavity has been equivalent to increase the length (virtual length) of boats and ships, like this under the identical speed of a ship or plane, the Fu Rude number of boats and ships is lower, this stern type can't produce the stern type of virtual length than tradition, can make the resistance of boats and ships less, thereby reduces the consumption of fuel.
The angle at above-mentioned inclination angle is take 3 ° as good.
The bilge keel that in above-mentioned ship, the left and right sides of body is fixed with longitudinally and outwards arranges to downward-extension, this bilge keel is positioned at side plating and hull bottom junction in vertical direction, described bilge keel by one with ship in the flat board that is connected to Surface Vertical of side and two curved slabs that extend up and down respectively that are positioned at dull and stereotyped end consist of.Bilge keel profile in this structure is " people " font, " people " font bilge keel longitudinally is fixed in midbody, when deserving boats and ships generation rolling, this " people " font bilge keel can produce larger rolling damping than ordinary flat shape bilge keel, thereby can more effectively reduce ship rolling, improve ship's navigation stability and traveling comfort.
93 meters of above-mentioned hull total lengths, block coefficient are 0.58, and vertically long 50 meters of described bilge keels are wide 2.0 meters.It is the selection of a concrete length of this hull, and the optimum value that the length and width of block coefficient and bilge keel captain concrete according to this calculates out.
Compared with prior art, the utility model has the advantage of: the stem of hull has the bulbous bow that extends forward, this bulbous bow is positioned at the underwater of hull stem, bulbous bow is flat stream line pattern, thereby the Mintrop wave that the bulbous bow that this profile is set produces and the wave making of main body can produce the wave making resistance composition that favourable interference reduces whole boats and ships greatly, its flat stream wire shaped can effectively reduce the pressure drag composition of foremost part of ship, realize energy-saving and emission-reduction, improve ocean tuna seine fishing operation efficient, promote the sustainable development of marine fishery.
Description of drawings
Fig. 1 is the lateral plan of the utility model embodiment;
Fig. 2 is the transverse sectional view of the utility model embodiment.
The specific embodiment
Embodiment is described in further detail the utility model below in conjunction with accompanying drawing.
As shown in Figure 1, 2, be a preferred embodiment of the present utility model.
A kind of High Performance ocean tuna seine ship, comprise hull 1,93 meters of hull 1 total length L, block coefficient is 0.58, block coefficient be underwater molded volume with by the product of captain corresponding to this waterline, the beam and drinking water represented the ratio of cuboid volume.
The afterbody of hull 1 is provided with tailing axle 2, screw propeller 3 is installed on tailing axle 2, and the stem of hull 1 has the bulbous bow 4 that extends forward, and this bulbous bow 4 is positioned at the underwater of hull stem, bulbous bow 4 is flat stream line pattern, and the length L 1 of bulbous bow 4 is 1/20th of hull total length L.Thereby the Mintrop wave that the bulbous bow that this profile is set produces and the wave making of main body can produce the wave making resistance composition that favourable interference reduces whole boats and ships greatly, and its flat stream wire shaped can effectively reduce the pressure drag composition of foremost part of ship,
hull 1 comprises body 5 in ship, body 6 and square tail 7 after ship, in ship, body 5 is stream line pattern, in ship body 5 between body after ship 6 and bulbous bow 7 and with ship after body 6 and bulbous bow 4 smooth connections, tailing axle 2 arranges on the aft end face of body 5 in ship, and be arranged in ship body 5 elevation profile along its length, as shown in Figure 2, after ship, the line style of body 6 afterbodys is for reversing to hull 1 larboard the asymmetric helix that forms around tailing axle 2 axis, after asymmetric spiral ship, the advantage of body is: after the place ahead incoming flow is through body afterbody after the asymmetric helix ship of distortion, can the tail region of body produce a kind of wake flow with pre-swirl effect after ship, and this wake flow with pre-swirl effect can make screw propeller obtain the larger incoming flow angle of attack, produce larger thrust, thereby improve the propulsion coefficient of boats and ships.After ship, the top of body 6 afterbodys extends back and forms square tail 7, and square tail 7 is perpendicular to the tail end face of body after ship and be obliquely installed obliquely from the horizontal by an inclination alpha, and the angle of inclination alpha is 3 °.When shipping high speed navigates by water, can form a cavity that there is no water in the bottom of square tail, this cavity has been equivalent to increase the length (virtual length) of boats and ships, like this under the identical speed of a ship or plane, the Fu Rude number of boats and ships is lower, this stern type can't produce the stern type of virtual length than tradition, can make the resistance of boats and ships less, thereby reduces the consumption of fuel.
The bilge keel 8 that in ship, the left and right sides of body 5 is fixed with longitudinally and outwards arranges to downward-extension, this bilge keel 8 is positioned at side plating and hull bottom junction in vertical direction, as shown in Figure 2, bilge keel 8 by one with ship in body 5 lateral surface connected vertically dull and stereotyped 81 and two curved slabs 82 that extend up and down respectively being positioned at dull and stereotyped 81 ends consist of.Vertically long 50 meters of bilge keels 8, wide 2.0 meters.The bilge keel profile is " people " font, " people " font bilge keel longitudinally is fixed in midbody, when deserving boats and ships generation rolling, this " people " font bilge keel can produce larger rolling damping than ordinary flat shape bilge keel, thereby can more effectively reduce ship rolling, improve ship's navigation stability and traveling comfort.
This purse seiner is a kind of high performance craft based on the favourable interference principle of ship hydrodynamics, purpose be by the optimal design of hull stem, afterbody molded line and quant matching technique and subtract shake attached body arrange reduce hull resistance, improve propeller propulsive efficiency and ship's navigation stability, realize energy-saving and emission-reduction, improve ocean tuna seine fishing operation efficient, promote the sustainable development of marine fishery.
Claims (7)
1. High Performance ocean tuna seine ship, comprise hull (1), the afterbody of hull (1) is provided with tailing axle (2), screw propeller (3) is installed on tailing axle (2), it is characterized in that: the stem of described hull (1) has the bulbous bow (4) that extends forward, this bulbous bow (4) is positioned at the underwater of hull stem, and bulbous bow (4) is flat stream line pattern.
2. High Performance according to claim 1 ocean tuna seine ship, it is characterized in that: the length (L1) of described bulbous bow (4) is 1/20th of hull total length (L).
3. High Performance according to claim 1 ocean tuna seine ship, it is characterized in that: described hull (1) comprises body in ship (5), body after ship (6) and square tail (7), body in ship (5) is stream line pattern, body in ship (5) be positioned at after ship between body (6) and bulbous bow (7) and with ship after body (6) and bulbous bow (4) smooth connection, described tailing axle (2) arranges on the aft end face of body in ship (5), and be arranged in ship body (5) elevation profile along its length, the line style of body after described ship (6) afterbody is to reverse the asymmetric helix that forms to hull (1) larboard around tailing axle (2) axis, the top of body after described ship (6) afterbody extends back and forms described square tail (7).
4. High Performance according to claim 3 ocean tuna seine ship is characterized in that: described square tail (7) is perpendicular to the tail end face of body after ship and be obliquely installed obliquely from the horizontal by an inclination angle (α).
5. High Performance according to claim 4 ocean tuna seine ship, it is characterized in that: the angle of described inclination angle (α) is 3 °.
6. arbitrary described High Performance ocean tuna seine ship according to claim 1～5, it is characterized in that: the bilge keel (8) that the left and right sides of body in described ship (5) is fixed with longitudinally and outwards arranges to downward-extension, this bilge keel (8) is positioned at side plating and hull bottom junction in vertical direction, described bilge keel (8) by one with ship in body (5) lateral surface flat board connected vertically (81) and be positioned at the curved slab (82) that two difference of flat board (81) end extend up and down and consist of.
7. High Performance according to claim 6 ocean tuna seine ship, it is characterized in that: 93 meters of described hull (1) total lengths (L), block coefficient are 0.58, vertically long 50 meters of described bilge keels (8) are wide 2.0 meters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206046166U CN202923831U (en) | 2012-11-15 | 2012-11-15 | High-performance ocean tuna purse seiner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206046166U CN202923831U (en) | 2012-11-15 | 2012-11-15 | High-performance ocean tuna purse seiner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202923831U true CN202923831U (en) | 2013-05-08 |
Family
ID=48213818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012206046166U Expired - Fee Related CN202923831U (en) | 2012-11-15 | 2012-11-15 | High-performance ocean tuna purse seiner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202923831U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103790102A (en) * | 2013-12-25 | 2014-05-14 | 广西科技大学 | Pier wave-making resistance reducer |
| CN103803014A (en) * | 2012-11-15 | 2014-05-21 | 浙江海洋学院 | High-performance deep sea tuna seine ship |
| RU2548243C1 (en) * | 2014-03-12 | 2015-04-20 | Российская Федерация, от имени которой выступает Министерство промышленности и торговли РФ (МИНПРОМТОРГ РОССИИ) | Fishing vessel with combine hull and rotary rudder propellers |
| CN105941357A (en) * | 2016-05-31 | 2016-09-21 | 上海海洋大学 | Method for capturing tunas through paired artificial floating fish gathering devices |
| JP2019137291A (en) * | 2018-02-13 | 2019-08-22 | 三井Ｅ＆Ｓ造船株式会社 | Offshore floating body structure |
-
2012
- 2012-11-15 CN CN2012206046166U patent/CN202923831U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103803014A (en) * | 2012-11-15 | 2014-05-21 | 浙江海洋学院 | High-performance deep sea tuna seine ship |
| CN103803014B (en) * | 2012-11-15 | 2017-02-15 | 浙江海洋学院 | High-performance deep sea tuna seine ship |
| CN103790102A (en) * | 2013-12-25 | 2014-05-14 | 广西科技大学 | Pier wave-making resistance reducer |
| RU2548243C1 (en) * | 2014-03-12 | 2015-04-20 | Российская Федерация, от имени которой выступает Министерство промышленности и торговли РФ (МИНПРОМТОРГ РОССИИ) | Fishing vessel with combine hull and rotary rudder propellers |
| CN105941357A (en) * | 2016-05-31 | 2016-09-21 | 上海海洋大学 | Method for capturing tunas through paired artificial floating fish gathering devices |
| CN105941357B (en) * | 2016-05-31 | 2018-09-18 | 上海海洋大学 | The method for surrounding and seize tuna using pairing drift artificial fish-aggregating device |
| JP2019137291A (en) * | 2018-02-13 | 2019-08-22 | 三井Ｅ＆Ｓ造船株式会社 | Offshore floating body structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203306188U (en) | Natural wind lifting catamaran hydrofoil hovercraft | |
| CN202923831U (en) | High-performance ocean tuna purse seiner | |
| CN202863711U (en) | Planning boat | |
| CN202609027U (en) | High-performance resistance-reducing and wave-making-reducing ship of double M-shaped tunnel body | |
| CN103921892A (en) | Novel ship bow | |
| CN102556317A (en) | Hydrojet propelled ship without water ballast space | |
| CN202827987U (en) | Perpendicular stem post transport ship type | |
| CN102171093B (en) | Hull form intended for vessels provided with an air cavity | |
| CN103612705B (en) | Water-surface single-body unmanned boat of single-water-spraying propeller | |
| CN202879779U (en) | Flow guide sleeve of 57000-ton bulk freighter | |
| CN204433016U (en) | The unitized construction of the two whirlpool tail fin of a kind of r Zweier and tailing axle system | |
| CN208498721U (en) | A kind of trimaran | |
| CN103803014B (en) | High-performance deep sea tuna seine ship | |
| CN203832700U (en) | Marine cruise | |
| CN2825456Y (en) | Beam flow speeding-up type ship with high stability | |
| WO2013029229A1 (en) | Sidewall-type gliding boat | |
| CN204871458U (en) | Automatic high -speed binary aircushion vehicle of booster -type | |
| Rihan et al. | The Development of a" Green Trawler" | |
| CN203888994U (en) | Novel ship bow | |
| CN104590480B (en) | Hull with three bow thrusters and low resistance for super U-shaped waterline | |
| CN107628188A (en) | Arrow shark glider | |
| CN210191739U (en) | Drag reduction ship | |
| CN204567968U (en) | A kind of three bow thruster ship body characterized by low resistance of super U-shaped waterline | |
| CN208665478U (en) | A kind of bow outline of ship | |
| CN103612706B (en) | Water surface single-body unmanned boat with two water-jet propellers |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130508 Termination date: 20141115 |
|
| EXPY | Termination of patent right or utility model |