CN203780733U - Ship - Google Patents
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- Publication number
- CN203780733U CN203780733U CN201420093617.8U CN201420093617U CN203780733U CN 203780733 U CN203780733 U CN 203780733U CN 201420093617 U CN201420093617 U CN 201420093617U CN 203780733 U CN203780733 U CN 203780733U
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Abstract
The utility model discloses a ship. The ship comprises a ship body and a bulbous stem, wherein the bulbous stem is located below a bow part of the ship body, the distance between a highest place at the upper part of the bulbous stem and a base line is in the range of 12.85m and 13.35m, and the distance between the bottom part of the bulbous stem and the base line is in the range of 1,700mm and 2,200mm in the 20th station of the ship body; at the 6m waterline height of the 20th station of the ship body, the distance between the outer edge of the bulbous stem and a center line is in the range of 2, 850mm and 3,350mm; in the 20.5th station of the ship body, the distance between the bottom part of the bulbous stem and the base line is in the range of 5, 600mm and 6, 100mm; at the 10m waterline height of the 20.5th station of the ship body, the distance between the outer edge of the bulbous stem and the base line is in the range of 1,700mm and 2, 200mm. According to the ship, the flow field and the pressure distribution around the ship body can be changed by changing the bulbous stem, so that the ship can own the lower effective power at all ship speeds, and an aim of saving fuel oil can be achieved.
Description
Technical field
The utility model relates to ship design field, especially relevant with the bulbous bow structure of boats and ships bow.
Background technology
The drinking water of boats and ships refers to that boats and ships are immersed in the degree of depth in water, and this degree of depth is according to the difference of ship design and difference.The size of drinking water not only depends on boats and ships and all article of boat-carrying, as the weight of goods, ballast, fuel and spare part, but also depends on the density of boats and ships water of living in.By reading the water gauge that is marked on stem and ship stern, can determine the drinking water of boats and ships.Drauht is divided into designed draft and scantling draft, the designed draft of boats and ships refers to the corresponding drinking water of boats and ships at full load under design point, the scantling draft of boats and ships refers to the draft extreme that hull structure can bear, conventionally scantling draft line is higher than designed draft line, to guarantee that even boats and ships heavy duty in operation process exceeds designed draft line, as long as do not exceed scantling draft line, boats and ships are also safe.
Conventionally, ship design is often only for the conventional horsepower output of NCR() under the speed of a ship or plane carry out the optimization of ship type, therefore, at high speed stage, often there is good resistance performance, but, for the speed of a ship or plane of wider range, particularly low-speed stage, want to meet each speed of a ship or plane and there is good resistance performance performance, not a duck soup.Depressed along with shipping market, transport power is superfluous, the high enterprise of oil price, shipping agency is for cost-saving, from pursuing simply in the past the high speed of a ship or plane, transferred favor economic speed (16～20 joint), therefore, for the rapidity of new ship, need within the scope of the broader speed of a ship or plane, assess, make it when reaching each speed of a ship or plane (particularly shipowner's operational speed), can have lower effective power, thereby reach the object of more effective saving fuel oil.
Summary of the invention
The utility model proposes a kind of boats and ships, it so that boats and ships can have lower effective power when each speed of a ship or plane, thereby reaches the object of saving fuel oil by the change of bulbous bow being changed to hull around flow field and distribution of pressure.
For solving the problems of the technologies described above, the utility model provides a kind of boats and ships, comprising: hull and be positioned at the bulbous bow of hull bow below, described bulbous bow top highest point apart from the distance of baseline between 12.85m～13.35m; At the 20th station of hull, described bulbous bow bottom apart from the distance of baseline between 1700mm～2200mm; 6m waterline At The Height at the 20th station of hull, bulbous bow outer rim apart from the distance of center line between 2850mm～3350mm; At the 20.5th station of hull, bulbous bow bottom apart from the distance of baseline between 5600mm～6100mm, the 10m waterline At The Height at the 20.5th station of hull, bulbous bow outer rim apart from the distance of center line between 1700mm～2200mm.
More preferably, described bulbous bow top highest point is 13.1m apart from the distance of baseline; At the 20th station of hull, described bulbous bow bottom is 1950mm apart from the distance of baseline, and at the 6m waterline At The Height at the 20th station of hull, bulbous bow outer rim is 3100mm apart from the distance of center line; At the 20.5th station of hull, bulbous bow bottom is 5850mm apart from the distance of baseline, and at the 10m waterline At The Height at the 20.5th station of hull, bulbous bow outer rim is 1950mm apart from the distance of center line.
More preferably, boats and ships overall length is between 295m～305m, and the length between perpendiculars of boats and ships is between 280m～300m, and molded breadth is between 48m～49m, and moldeed depth is between 20m～30m, and its designed draft is between 12m～13m, and its scantling draft is between 13m～15.5m.
More preferably, the overall length of boats and ships is 299.95m, and length between perpendiculars is 286.00m, and molded breadth is 48.20m, and moldeed depth is 24.60m, and scantling draft is 14.80m, and designed draft is 12.50m.
Compared with prior art, the utlity model has following beneficial effect: the utility model is by optimizing bulbous bow line style, make it become more elongated, change hull around flow field and distribution of pressure, to reach its line style, a plurality of speed of a ship or plane are all had to good flow field and distribution of pressure, its effective power in a plurality of speed of a ship or plane sections is declined, thereby save fuel oil, and improved the rapidity of boats and ships between designed draft and scantling draft, improved the resistance performance of boats and ships at low-speed stage.
Accompanying drawing explanation
In Fig. 1, curve is the longitudinal section of the utility model boats and ships bow.
In Fig. 2, curve is the right-hand part sectional elevation of the utility model boats and ships bow.
In Fig. 3, curve is the comparison diagram (solid line is the utility model line style, and dotted line is prior art line style) of the longitudinal section of the utility model boats and ships bow and the longitudinal section of existing ship bow.
In Fig. 4, curve is the comparison diagram (solid line is the utility model line style, and dotted line is prior art line style) of the right-hand part sectional elevation of the utility model boats and ships bow and the right-hand part sectional elevation of existing ship bow.
The specific embodiment
The utility model when describing size based on following reference frame.
Directions X, along captain's direction, is divided into 20 spacing by length between perpendiculars, both 20 stations, from ship stern to stem number consecutively, after perpendicular is 0 station, and forward perpendicular is 20 stations, suppose that long between bow after perpendicular is LPP, each head of a station's length is: LPP/20, in bow stern line style, change place faster, and increase even 0.25 station, 0.5 station, exceeding 20 station scopes increases according to order, and 20.5 stop spacings from the length computation formula of after perpendicular are: LPP+0.5* (LPP/20).
Y-direction: along beam direction, take ship center line as 0 point, starboard is for just, and hull is symmetrical.
Z direction: along drinking water direction, take hull bottom as baseline, be taken as 0 point, upwards for just.
The Width of horizontal finger hull of the present utility model, the length direction of longitudinal hull.
Boats and ships of the present utility model, container ship espespecially, it comprises hull and is positioned at the bulbous bow of hull bow below.Core of the present utility model is the line style of bulbous bow, describes the structure of the utility model bulbous bow below with reference to accompanying drawing in detail.
Boats and ships are symmetrical structure, its symmetric line is center line, the crossing line of the base plate of boats and ships bottommost and center line is baseline, through the intersection point of stem and draft extreme line and be forward perpendicular perpendicular to the line of draft extreme line, through rudder stock center and be after perpendicular perpendicular to the line of draft extreme line, the horizontal throw between forward perpendicular and after perpendicular is length between perpendiculars.
Consult Fig. 1 and Fig. 2, wherein, on every curve in Fig. 1 a little all equate to the transverse distance of center line, the numeral of each curve top represents that respectively this curve is to the transverse distance of center line, unit is rice, in Fig. 2 on every curve a little all equate to the fore-and-aft distance of after perpendicular, the website of curve top reflects that this curve is to the fore-and-aft distance of after perpendicular.A line place in figure, apart from the curve place of hull center line transverse distance 0m, bulbous bow top highest point apart from the distance H 1 of baseline between 12.85m～13.35m.Consult Fig. 2, at the 20th station of hull, i.e. b line place in figure, bulbous bow bottom apart from the distance H 2 of baseline between 1700mm～2200mm; 6m waterline At The Height at the 20th station of hull, bulbous bow outer rim apart from the distance of center line L1 between 2850mm～3350mm.At the 20.5th station of hull, i.e. c line place in figure, bulbous bow bottom apart from the distance H 3 of baseline between 5600mm～6100mm, the 10m waterline At The Height at the 20.5th station of hull, bulbous bow outer rim apart from the distance L 2 of center line between 1700mm～2200mm.
More preferably, a line place in figure, this bulbous bow top highest point is 13.1m apart from the distance H 1 of baseline.At the 20th station of hull, i.e. b line place in figure, bulbous bow bottom is 1950mm apart from the distance H 2 of baseline, at the 6m waterline At The Height at the 20th station of hull, bulbous bow outer rim is 3100mm apart from the distance L 1 of center line.At the 20.5th station of hull, i.e. c line place in figure, bulbous bow bottom is 5850mm apart from the distance H 3 of baseline, at the 10m waterline At The Height at the 20.5th station of hull, bulbous bow outer rim is 1950mm apart from the distance L 2 of center line.
Consult Fig. 3 and Fig. 4, this bulbous bow line style is than the bulbous bow line style of existing equal principal dimensions ship type, and its change in size is as follows.
A line place in figure, existing bulbous bow line style (dotted line) top highest point is apart from the about 13.7m of distance H 1f of baseline, the present embodiment bulbous bow line style (solid line) is reduced near 13.1m, compared with existing line style, approximately reduces height Δ H1=600mm, and bulbous bow only stays sub-fraction on designed draft.
At the 20th station of hull, i.e. b line place in figure, existing bulbous bow (dotted line) bottom is apart from the about 900mm of distance H 2f of baseline, and the present embodiment bulbous bow line style (solid line) is raised Δ H2=1050mm; Existing bulbous bow (dotted line) is at 6m waterline At The Height, and bulbous bow outer rim is apart from the about 3900mm of distance L 1f of center line, the about Δ L1=800mm of the inside indentation of the present embodiment bulbous bow (solid line) width.
At 20.5 stations of hull, i.e. c line place in figure, existing bulbous bow (dotted line) bottom is apart from the about 4150mm of parallax range H3f, and the present embodiment bulbous bow line style (solid line) is raised Δ H3=1700mm; Existing bulbous bow (dotted line) is at 10m waterline At The Height, and bulbous bow outer rim is apart from the about 2450mm of distance L 2f of center line, the about Δ L2=500mm of the inside indentation of bulbous bow width.
The model experiment data that the bulbous bow line style of the present embodiment is applied on hull are as shown in the table:
Visible by model experiment, boats and ships are optimized in low-speed stage performance, the effective power of each speed of a ship or plane is significantly reduced, and make boats and ships when scantling draft, designed draft, high speed and low speed can show good resistance performance, improve the rapidity of boats and ships at designed draft and scantling draft, improved the effective power of boats and ships at designed draft and scantling draft.
Above-mentioned bulbous bow line style of the present utility model may be used on the boats and ships of box ship between 8000TEU～11000TEU or similar principal dimensions, Ship's Principal Dimensions is as follows: hull overall length is 295m～305m, length between perpendiculars is between 280m～300m, molded breadth is between 48m～49m, moldeed depth is between 20m～30m, its designed draft is between 12m～13m, and its scantling draft is between 13m～15.5m.
Preferably selecting is that the bulbous bow line style of the present embodiment is applied on the boats and ships of following principal dimensions: the overall length of boats and ships is 299.95m, and length between perpendiculars is 286.00m, molded breadth is 48.20m, moldeed depth is 24.60m, and scantling draft is 14.80m, and designed draft is 12.50m.
To sum up, the utility model, by optimizing bulbous bow line style, makes it become more elongated, thereby changes hull around flow field and distribution of pressure, so that its decline of effective power in each speed of a ship or plane section, thereby save fuel oil.
These are only better possible embodiments of the present utility model, and unrestricted protection domain of the present utility model, the equivalent structure that all utilization the utility model specification sheetss and accompanying drawing content have been done changes, and is all included in protection domain of the present utility model.
Claims (9)
1. boats and ships, comprising: hull and be positioned at the bulbous bow of hull bow below, it is characterized in that, described bulbous bow top highest point apart from the distance of baseline between 12.85m ~ 13.35m; At the 20th station of hull, described bulbous bow bottom apart from the distance of baseline between 1700mm ~ 2200mm; 6m waterline At The Height at the 20th station of hull, bulbous bow outer rim apart from the distance of center line between 2850mm ~ 3350mm; At the 20.5th station of hull, bulbous bow bottom apart from the distance of baseline between 5600mm ~ 6100mm, the 10m waterline At The Height at the 20.5th station of hull, bulbous bow outer rim apart from the distance of center line between 1700mm ~ 2200mm.
2. boats and ships as claimed in claim 1, is characterized in that, described bulbous bow top highest point is 13.1m apart from the distance of baseline; At the 20th station of hull, described bulbous bow bottom is 1950mm apart from the distance of baseline, and at the 6m waterline At The Height at the 20th station of hull, bulbous bow outer rim is 3100mm apart from the distance of center line; At the 20.5th station of hull, bulbous bow bottom is 5850mm apart from the distance of baseline, and at the 10m waterline At The Height at the 20.5th station of hull, bulbous bow outer rim is 1950mm apart from the distance of center line.
3. boats and ships as claimed in claim 1, is characterized in that, described bulbous bow top highest point is 13.1m apart from the distance of baseline.
4. boats and ships as claimed in claim 1, is characterized in that, at the 20th station of hull, described bulbous bow bottom is 1950mm apart from the distance of baseline.
5. boats and ships as claimed in claim 1, is characterized in that, at the 6m waterline At The Height at the 20th station of hull, bulbous bow outer rim is 3100mm apart from the distance of center line.
6. boats and ships as claimed in claim 1, is characterized in that, at the 20.5th station of hull, bulbous bow bottom is 5850mm apart from the distance of baseline.
7. boats and ships as claimed in claim 1, is characterized in that, at the 10m waterline At The Height at the 20.5th station of hull, bulbous bow outer rim is 1950mm apart from the distance of center line.
8. boats and ships as claimed in claim 1, is characterized in that, boats and ships overall length is between 295m ~ 305m, the length between perpendiculars of boats and ships is between 280m ~ 300m, and molded breadth is between 48m ~ 49m, and moldeed depth is between 20m ~ 30m, its designed draft is between 12m ~ 13m, and its scantling draft is between 13m ~ 15.5m.
9. boats and ships as claimed in claim 8, is characterized in that, the overall length of boats and ships is 299.95m, and length between perpendiculars is 286.00m, and molded breadth is 48.20m, and moldeed depth is 24.60m, and scantling draft is 14.80m, and designed draft is 12.50m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420093617.8U CN203780733U (en) | 2014-03-03 | 2014-03-03 | Ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420093617.8U CN203780733U (en) | 2014-03-03 | 2014-03-03 | Ship |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203780733U true CN203780733U (en) | 2014-08-20 |
Family
ID=51316944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420093617.8U Withdrawn - After Issue CN203780733U (en) | 2014-03-03 | 2014-03-03 | Ship |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203780733U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104890806A (en) * | 2014-03-03 | 2015-09-09 | 中集船舶海洋工程设计研究院有限公司 | Ship |
| CN106828773A (en) * | 2017-02-21 | 2017-06-13 | 中国海洋石油总公司 | A kind of FPSO shiplines method for designing |
| CN107187541A (en) * | 2017-04-21 | 2017-09-22 | 中船重工（武汉）船舶与海洋工程装备设计有限公司 | A kind of bulb bow and hull |
| CN109808826A (en) * | 2019-03-12 | 2019-05-28 | 大连海事大学 | A kind of high speed is cleaved arrow type nose bow |
-
2014
- 2014-03-03 CN CN201420093617.8U patent/CN203780733U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104890806A (en) * | 2014-03-03 | 2015-09-09 | 中集船舶海洋工程设计研究院有限公司 | Ship |
| CN106828773A (en) * | 2017-02-21 | 2017-06-13 | 中国海洋石油总公司 | A kind of FPSO shiplines method for designing |
| CN106828773B (en) * | 2017-02-21 | 2018-08-24 | 中国海洋石油集团有限公司 | A kind of FPSO shiplines design method |
| CN107187541A (en) * | 2017-04-21 | 2017-09-22 | 中船重工（武汉）船舶与海洋工程装备设计有限公司 | A kind of bulb bow and hull |
| CN109808826A (en) * | 2019-03-12 | 2019-05-28 | 大连海事大学 | A kind of high speed is cleaved arrow type nose bow |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140820 Effective date of abandoning: 20180309 |