CN102689675B - Large-scale ship - Google Patents
Large-scale ship Download PDFInfo
- Publication number
- CN102689675B CN102689675B CN201210208176.7A CN201210208176A CN102689675B CN 102689675 B CN102689675 B CN 102689675B CN 201210208176 A CN201210208176 A CN 201210208176A CN 102689675 B CN102689675 B CN 102689675B
- Authority
- CN
- China
- Prior art keywords
- ship
- bow
- rake
- full
- stem
- 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.)
- Active
Links
Landscapes
- Earth Drilling (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The invention discloses a large-scale ship, comprising a ship body and a ship head, wherein the ship body is connected with the ship head. The ship head comprises a ship head deck and an upper deck. The ship head is connected with a horizontally arranged full-load waterline, and the full-load waterline is arranged at the lower part of the upper deck. The part of the ship head, which is arranged at the lower part of the full-load waterline, is provided with a lower vertical stem, and the part of the ship head, which is arranged at the upper part of the full-load waterline, is provided with an upper stem. The upper stem comprises a vertical part, a first inclined part and a second inclined part. The first inclined part is arranged between the top end of the vertical part and the upper deck, and the second inclined part is arranged between the top end of the first inclined part and the ship head deck. A ship head vertical line is formed between the top end of the second inclined part and the lower vertical stem. The full-load waterline is intersected with the ship head vertical line. The lower vertical stem and the vertical part are incident with the ship head vertical line. The height of the vertical part is 10-30% of the height of the full-load waterline. Included angles between the first inclined part and the ship head vertical line and between the second inclined part and the ship head vertical line are both 5-30 degrees. The large-scale ship has the advantages of reducing the propulsion resistance and improving the wave breaking performance.
Description
Technical field
The present invention relates on a kind of marine technology and ship design correlative technology field, particularly a kind of Load Line to have in slightly apsacline stem and the sagging straight stem of Load Line the full formed ship of bulbous section.
Background technology
Forward perpendicular above the first stem shape of the full formed ship such as chemical carrier and bulge carrier is Load Line below the first and Load Line of careen extends forward the shape that the combination of shapes of 1～4% the outstanding bulbous bow that accounts for length between perpendiculars is got up, as shown in Figure 1, on the other hand owing to being subject to the restriction of harbor accommodation when the handling goods, the total length of ship and the extreme length of length between perpendiculars are also restricted, the propulsion quality that improves ship even if therefore want to lengthen the length of ship is also impossible, because the length between perpendiculars of ship accounts for about 95% left and right of full captain's degree, the length of ship can not be longer than this, therefore the loose degree Cb of ship type can not be less than this, thereby make the propulsion quality of ship improve limited.
Summary of the invention
The object of the invention is in order to overcome above deficiency, the invention provides a kind of reduction propelling resistance coefficient, improve the full formed ship of the performance of cleaving.
Object of the present invention is achieved through the following technical solutions: a kind of full formed ship, comprise hull, bow, hull is connected with bow, bow comprises bow deck and upper deck, bow deck is placed in the top of upper deck, bow is provided with the Load Line of a horizontally set, Load Line is placed in the bottom of upper deck, the position that bow is placed in Load Line bottom is sagging straight stem, the position that bow is placed in Load Line top is upper stem, upper stem comprises vertical portion, the first rake and the second rake, it between the top of vertical portion and upper deck, is the first rake, between the top of the first rake and bow deck, it is the second rake, between the top of the second rake and sagging straight stem, form a forward perpendicular, Load Line and forward perpendicular intersect, sagging straight stem, vertical portion all coincides with forward perpendicular, the height of vertical portion is 10～30% of draft full load (DFL) height, the first rake, angle between the second rake and forward perpendicular is 5～30 °.
Further improvement of the present invention is: the bottom of described sagging straight stem is provided with 10～30% circular arc or the curve circular arc that radius is draft full load (DFL) height.
Further improvement of the present invention is: the cross section of described sagging straight stem is bulbous section.
Further improvement of the present invention is: the cross sectional shape at described Load Line place is pointed.
The present invention compared with prior art has the following advantages: the position of the forward perpendicular in full formed ship is compared and extended 2～4% of length between perpendiculars with the forward perpendicular of existing ship type, the shape of the sagging straight stem of new floating line is made in Load Line below, so the bluntness of ship type can thin 2～4%, propelling resistance coefficient also can reduce, the shape of bulbous section has been made in the below of Load Line in addition, can further reduce propelling resistance coefficient, near the floating line shape of Load Line, because by the extension of length between perpendiculars, before formed sharp shape, can reduce propelling resistance coefficient, and because the shape of inclination bow has been made in the top of Load Line, improved the performance of cleaving, when using full formed ship of the present invention, required power has reduced by 3～5% than originally, saved the energy.
accompanying drawing explanation:
Fig. 1 is the structural representation of traditional full formed ship;
Fig. 2 is structural representation of the present invention;
Fig. 3 be in Fig. 2 A-A to structural representation;
Fig. 4 be in Fig. 2 C-C to structural representation;
Fig. 5 be in Fig. 2 B-B to structural representation;
Fig. 6 is propelling resistance coefficient figure;
Number in the figure: 1-hull, 2-bow, 3-bow deck, 4-upper deck, 5-forward perpendicular, 6-Load Line, the sagging straight stem of 7-, 8-vertical portion, 9-the first rake, 10-the second rake.
the specific embodiment:
In order to deepen the understanding of the present invention, below in conjunction with embodiment and accompanying drawing, the invention will be further described, and this embodiment only, for explaining the present invention, does not form limiting the scope of the present invention.
As shown in Figure 2 the specific embodiment of a kind of full formed ship of the present invention, comprise hull 1, bow 2, hull 1 is connected with bow 2, bow 2 comprises bow deck 3 and upper deck 4, bow deck 3 is placed in the top of upper deck 4, bow 2 is provided with the Load Line 6 of a horizontally set, Load Line 6 is placed in the bottom of upper deck 4, the position that bow 2 is placed in Load Line 6 bottoms is sagging straight stem 7, the position that bow 2 is placed in Load Line 6 tops is upper stem, upper stem comprises vertical portion 8, the first rake 9 and the second rake 10, it between the top of vertical portion 8 and upper deck 4, is the first rake 9, it between the top of the first rake 9 and bow deck 3, is the second rake 10, between the top of the second rake 10 and sagging straight stem 7, form a forward perpendicular 5, Load Line 6 and forward perpendicular 5 intersect, sagging straight stem 7, vertical portion 8 all coincides with forward perpendicular 5, the height of vertical portion 8 is 10～30% of draft full load (DFL) height, the first rake 9, angle between the second rake 10 and forward perpendicular 5 is 5～30 °, the bottom of sagging straight stem 7 is provided with 10～30% circular arc or the curve circular arc that radius is draft full load (DFL) height, the cross section of sagging straight stem 7 is bulbous section as shown in Figure 3, the cross sectional shape at Load Line 6 places is pointed as shown in Figure 5, be illustrated in figure 4 bow section shape of the present invention, compare with the structure of traditional full formed ship, section shape is little more a lot of than traditional shape.
Horizontal throw between forward perpendicular and stern vertical line is length between perpendiculars, the position of the forward perpendicular 5 in full formed ship of the present invention is compared and has been extended 2～4% of length between perpendiculars with the forward perpendicular of existing ship type, the shape of the sagging straight stem of new floating line is made in Load Line 6 belows, so the bluntness of ship type can thin 2～4%, propelling resistance coefficient also can reduce as shown in Figure 6, and the computing formula of Fu Rude number is V/
, wherein V is ship's speed, L is captain, g is acceleration/accel, when as can be seen from the figure the bluntness of ship type reduces, the corresponding minimizing of its propelling resistance coefficient, the shape of bulbous section has been made in the below of Load Line in addition, can further reduce propelling resistance coefficient, the floating line shape of Load Line 6 is the cross sectional shape at Load Line 6 places, because by the extension of length between perpendiculars, before formed sharp shape, can reduce propelling resistance coefficient, and because the shape of inclination bow has been made in the top of Load Line 6, improved the performance of cleaving, when using full formed ship of the present invention, required power has reduced by 3～5% than originally, saved the energy, the bluntness of full formed ship of the present invention is between 0.8～0.95.
Claims (4)
1. a full formed ship, comprise hull (1), bow (2), described hull (1) is connected with described bow (2), described bow (2) comprises bow deck (3) and upper deck (4), described bow deck (3) is placed in the top of described upper deck (4), it is characterized in that: described bow (2) is provided with the Load Line (6) of a horizontally set, described Load Line (6) is placed in the bottom of described upper deck (4), the position that described bow (2) is placed in described Load Line (6) bottom is sagging straight stem (7), the position that described bow (2) is placed in described Load Line (6) top is upper stem, described upper stem comprises vertical portion (8), the first rake (9) and the second rake (10), between the top of described vertical portion (8) and described upper deck (4), be the first rake (9), between the top of described the first rake (9) and described bow deck (3), be the second rake (10), between the top of described the second rake (10) and described sagging straight stem (7), form a forward perpendicular (5), described Load Line (6) and described forward perpendicular (5) intersect, described sagging straight stem (7), described vertical portion (8) all coincides with described forward perpendicular (5), the height of described vertical portion (8) is 10～30% of draft full load (DFL) height, described the first rake (9), angle between described the second rake (10) and described forward perpendicular (5) is 5～30 °.
2. a kind of full formed ship according to claim 1, is characterized in that: the bottom of described sagging straight stem (7) is provided with 10～30% circular arc or the curve circular arc that radius is draft full load (DFL) height.
3. a kind of full formed ship according to claim 1, is characterized in that: the cross section of described sagging straight stem (7) is bulbous section.
4. a kind of full formed ship according to claim 1, is characterized in that: the cross sectional shape that described Load Line (6) is located is pointed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210208176.7A CN102689675B (en) | 2012-06-25 | 2012-06-25 | Large-scale ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210208176.7A CN102689675B (en) | 2012-06-25 | 2012-06-25 | Large-scale ship |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102689675A CN102689675A (en) | 2012-09-26 |
| CN102689675B true CN102689675B (en) | 2014-08-06 |
Family
ID=46855446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210208176.7A Active CN102689675B (en) | 2012-06-25 | 2012-06-25 | Large-scale ship |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102689675B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105197179B (en) * | 2015-10-29 | 2017-10-13 | 上海交通大学 | It is a kind of to combine drag reduction structures for the vertical bow of low speed full formed ship and leading edge drainage |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201941943U (en) * | 2010-12-30 | 2011-08-24 | 上海佳豪船舶工程设计股份有限公司 | Hidden bow structure |
| CN102381436A (en) * | 2011-08-24 | 2012-03-21 | 南通明德重工有限公司 | Automobile carrying vessel |
| CN202642024U (en) * | 2012-06-25 | 2013-01-02 | 南通明德重工有限公司 | Large ship |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6715436B2 (en) * | 1998-09-24 | 2004-04-06 | Stolt Offshore Limited | Sea-going vessel and hull for sea-going vessel |
-
2012
- 2012-06-25 CN CN201210208176.7A patent/CN102689675B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201941943U (en) * | 2010-12-30 | 2011-08-24 | 上海佳豪船舶工程设计股份有限公司 | Hidden bow structure |
| CN102381436A (en) * | 2011-08-24 | 2012-03-21 | 南通明德重工有限公司 | Automobile carrying vessel |
| CN202642024U (en) * | 2012-06-25 | 2013-01-02 | 南通明德重工有限公司 | Large ship |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102689675A (en) | 2012-09-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101332859B (en) | Bow outline of ship | |
| CN202863711U (en) | Planning boat | |
| CN111055962A (en) | Simple streamline solid wood structure for ship | |
| JP3571023B2 (en) | Ship bow shape | |
| CN202609027U (en) | High-performance resistance-reducing and wave-making-reducing ship of double M-shaped tunnel body | |
| CN103935463A (en) | Wave-absorbing M ship type line type used in warships and used for achieving high-speed shallow-draft | |
| CN105764789B (en) | Inside tilts bow shape, tilts the ship of bow shape with inside and the design method of inside inclination bow shape | |
| JP2012517931A (en) | Method and configuration for spherical bow | |
| CN104608875B (en) | Monomer partly slides and wears swingboat | |
| CN102689675B (en) | Large-scale ship | |
| CN202642024U (en) | Large ship | |
| CN205168822U (en) | Icebreaker bow | |
| JP2011098666A (en) | Sailing trading vessel | |
| JP4515471B2 (en) | Marine 1-axis 2-rudder system and 1-axis 2-rudder ship | |
| CN201457689U (en) | Shallow-draft vessel body | |
| CN102381436A (en) | Automobile carrying vessel | |
| JP2013056579A (en) | Method for arranging sail of engine sailing trading ship, and engine sailing trading ship | |
| CN202358272U (en) | Ship bow | |
| CN201198360Y (en) | Electrical propulsion double rudder paddle chemicals ship | |
| CN102320346B (en) | Catamaran | |
| CN104973217A (en) | Layout structure of upper-layer construction of sailboat | |
| CN202219826U (en) | Automobile transportation ship | |
| CN205769991U (en) | A kind of broken line type bulkhead being applicable to floating production storage unit | |
| CN110682995A (en) | Planing boat with three-channel structure | |
| CN107521615A (en) | A kind of high handling and the bow and high-performance ship of sea-keeping |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170324 Address after: 226361 Tongzhou District City, Jiangsu Province, the town of Thean Hou Temple,, five Patentee after: Nantong Xiangyu marine equipment limited liability company Address before: 226361 Tongzhou District City, Jiangsu Province, the town of Thean Hou Temple,, five Patentee before: Nantong Mingde Heavy Industry Co., Ltd. |