CN102826197A - Water bulk cargo transporting equipment applicable to coastal water areas and Yangtze River areas - Google Patents
Water bulk cargo transporting equipment applicable to coastal water areas and Yangtze River areas Download PDFInfo
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- CN102826197A CN102826197A CN2011101620421A CN201110162042A CN102826197A CN 102826197 A CN102826197 A CN 102826197A CN 2011101620421 A CN2011101620421 A CN 2011101620421A CN 201110162042 A CN201110162042 A CN 201110162042A CN 102826197 A CN102826197 A CN 102826197A
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- 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
Abstract
The invention provides water bulk cargo transporting equipment applicable to coastal water areas and Yangtze River areas. The water bulk cargo transporting equipment is a ship comprising a stem, a midship part of a ship body, a stern and a cargo space, wherein the ship includes length between vertical lines, molded breadth and moulded depth; and the product of sum of the length between vertical lines and the molded breadth is 390 to 460 times of the moulded depth. The water bulk cargo transporting equipment is a shallow-draft ship applicable to coastal water areas, so that the loss for detention of the ship due to the influence from tidewater during leaving a port can be reduced; and with the curved surface on the appearance, the water bulk cargo transporting equipment can reduce the wave-making resistance of the ship.
Description
Technical field
The present invention relates to shipbuilding and design field, especially relate to a kind of be suitable for coastal and the bulk goods transportation equipment waterborne waters, the Changjiang river.
Background technology
On the one hand, the designed draft of existing Coastal Transport Ship oceangoing ship is bigger, and load carrying ability is restricted when coastal and the navigation of rivers shallow draft waterway, and economic benefit is relatively poor.Existing coasting vessel is old ocean-going freighter mostly, has ship type and navigation channel, electric coal jetty mismatch problem, and the boats and ships overlength was absorbed water deeply, often produced broken stowage, was difficult to improve the capacity of shallow draft waterway.
Along with China's rapid economy development, the demand of electric power is strengthened year by year, the construction of electric power is also being accelerated, and electric coal transportation demand continues to increase.Simultaneously, country promotes the water transportation safe requirement day by day, and is strict day by day to the management of old ship, sandy beach shipbuilding.At present, the situation is tense for China's energy-saving and emission-reduction, and coastal boats and ships oil consumption is big, discharging is high, is unfavorable for protecting environment, is difficult to adapt to country-driven energy-saving and emission-reduction requirement.
On the other hand, as far back as 2000, Department of Transportation just printed and distributed " highway water transportation development phase target ", required in the Changjiang river, the Delta of the Pearl River and master stream thereof push forward the work of ship type standard serialization comprehensively.Ship type standard process helps giving full play to the Changjiang river, Zhujiang River navigation channel traffic potential, optimizes the transport power structure, improves the transportation modernization level.
For improving the Coastal Transport Ship oceangoing ship with the load carrying ability under the even keel condition, increase economic efficiency, be necessary that design meets that China is coastal, shallow water territory navigation required standard ship types such as the Changjiang river and Delta of the Pearl River waters.
Summary of the invention
The purpose of this invention is to provide a kind of be suitable for coastal and the bulk goods transportation equipment waterborne waters, the Changjiang river, to address the above problem.
In order to realize above-mentioned design goal, the technical scheme that the present invention adopts is following:
A kind ofly be suitable for coastal and the bulk goods transportation equipment waterborne waters, the Changjiang river; Said bulk goods transportation equipment waterborne is boats and ships; Comprise stem, hull midships section, stern and cargo hold; Said boats and ships comprise length between perpendiculars, molded breadth and moldeed depth, for said moldeed depth 390～460 times of said length between perpendiculars and said molded breadth long-pending.
The length between perpendiculars of said boats and ships is 200～215m, and molded breadth is 32.26～33m, and moldeed depth is 15.5～16.5m.
The length between perpendiculars of said boats and ships is 200m, and molded breadth is 32.26m, and moldeed depth is 16.5m.。
The length between perpendiculars of said boats and ships is 215m, and molded breadth is 33m, and moldeed depth is 15.5m.
The drinking water of said boats and ships is 0.32B～0.33B.
Said cargo hold is 5, and the boats and ships block coefficient of said boats and ships is 0.822.
Said stem appearance curved surface is low wave making resistance curved surface.
The cross section of said stern is the U type.
The line style of the ship outer casing of said boats and ships all is airflow design.
The present invention is the basis with outstanding parent ship in the line style design process of boats and ships, in conjunction with the numerical simulation technology of line style design experiences and computational fluid dynamics (CFD), optimize this boat fare type that obtained through too much taking turns.In numerical modelling and optimizing process based on computational fluid dynamics (CFD) technology, be minimised as purpose with the hull wave making resistance, calculate hundreds of and changed the ship type, finally confirmed the test line style.Afterwards also through with the cooperation in external famous pond, line style has been done further improvement and optimization, finally confirmed present hull form.Numerical model and towing tank test result show that all this ship type wave making resistance is lower, show that the bow appearance curved surface is low wave making resistance curved surface.
The present invention has taken into full account the 3D fairing of line style when the line style design of ship type.Numerical modelling and model experiment show, mobile smooth and easy under the Design Speed around this type ship oceangoing ship hull do not exist tangible whirlpool or flow separation; The line style that is the ship outer casing of said boats and ships all is airflow design.
Quarter of a ship U type of the present invention cross section is as shown in Figure 3, adopts the afterbody in U type cross section to make that the hull stern wake is even, helps improving propulsion coefficient, and reduces the vibration that screw propeller causes; Simultaneously can significantly not increase hull resistance yet.
The object of the invention be exactly to overcome the drinking water of existing ship and the carrying capacity that causes restricted with the problem of advancing the road-holding property of river boats and ships, provide that a type carrying capacity is big, propulsion quality and the outstanding coastal shallow draft full formed ship of road-holding property.
Characteristics of the present invention are under identical drinking water condition, can reach bigger load carrying ability; Oil consumption is little, maneuvering performance good, discharging is low; Help protecting environment; Meet the requirement of following energy-saving and emission-reduction, meet the ship type standardization effort that Department of Transportation carries out energetically, help improving that China is coastal, the Changjiang river and Zhujiang River waters transportation modernization level.
The present invention has the speed of a ship or plane that is higher than at present in the general ship type of coastal operation, can make boats and ships when needs quicken to rob typhoon, pursuing-tide water, control arrival & departure ETA estimated time of arrival, and good manoevreability is arranged.Have now at the most old boats and ships for resigning from office from the ocean of coastal operated vessel, the speed of a ship or plane is generally lower, is difficult to adapt to the coastal narrow complex situations in the many navigation channels of ship of navigating by water with the rivers navigation channel of China.
According to the characteristics of coastal-domestic sea transport, its boats and ships need the frequent slipping from alongside that leans on, and add some power plants in riverine zone, so the road-holding property of boats and ships are particularly important in addition.Next be the home-trade ship requirement in the short period of time with the ballast water emptying, therefore it is worthless adopting the conventional storm ballast tank that is provided with.
The present invention relates to main boats and ships in the shallow water area navigation; The hull that refers to the loose type of a kind of shallow draft particularly; On the line style of hull, repeatedly optimize through domestic and international famous pond; Promptly adopt most popular nowadays computed in software fluid dynamics (being CFD) that the line style of this ship is carried out the simulation of rapidity, the ship resistance that causes to overcome shallow draft increases, the low problem of propeller propulsive efficiency.It comprises stem, hull midships section, stern shell and cargo hold part, and repeatedly carries out the ship model high speed test, and the speed of a ship or plane of this ship is forecast.
The present invention compared with prior art, its advantage is:
1, the present invention is for adapting to the shallow draft boats and ships of Coastal Navigation Areas, can reduce boats and ships and when the inward & outward, influenced by tidewater and cause Loss for Detention.
2, appearance curved surface of the present invention is designed to more can reduce the wave making resistance of boats and ships.
3, stern Cross section Design of the present invention is the U type, efficiently solves the not smooth problem of screw propeller incoming flow, further improves propulsion coefficient, improves the speed of a ship or plane.Existing good shallow water carrying capacity has outstanding resistance performance and propulsion quality again, also has good rough water quality and road-holding property, and enough intact stabilities and damaged stability are arranged.
4, boats and ships line style of the present invention, tank test and shiphoard measurement through various different boats and ships line styles and yardstick prove that the Combination property of boats and ships of the present invention is outstanding, theoretical wind loading rating reaches as high as 8 grades of Pu Shi.
5, therefore said boats and ships can be designed to 5 cargo holds because overall drinking water is different with general boats and ships with beam ratio, lack a cargo hold than 6 cargo hold designs of general capsize vessel.The design-calculated benefit is that each flight number can reduce the ship loading and unloading ETCD estimated time of commencing discharging about 8 hours like this, and need not utilize cargo hold to be used as the storm ballast chamber.Because shipform is more flat, to satisfy under the situation of stability, its ballast chamber design is less, about 8 hours of the time of discharging ballast water.
6, simultaneously in order to solve the problem of road-holding property, this ship adopts the high lift rudder of approval in the world, i.e. flap, and it is about about 60% that this rudder improves lift than conventional rudder, so the road-holding property of this ship will be superior to adopting the ship of conventional rudder.
7, because the structural strength of said boats and ships designs according to direct calculation method, shipping steel weight probably be about 7500t, than gently at least 1000 tons of general weight with the tonnage boats and ships.
Coastal Transport Ship situation to present is investigated, and through comprehensively comparing, said boats and ships have the better economic performance.Because shipform is more flat, to satisfy under the situation of stability, its ballast chamber design is less, about 8 hours of the time of discharging ballast water.During the speed of a ship or plane 14 joints, the about 26.6t/ of oil consumption days; During the speed of a ship or plane 15 joints, the about 34.5t/ of oil consumption days.
Having up-to-date 57000 tons of bulge carriers, 45000 tons of ship shape parameters such as bulge carrier now with China contrasts; Be all at the speed of a ship or plane under the same case of 14 joints; The economy of said boats and ships is better than 57300 tons of bulge carrier ship types; This ship adopts GB/T 3886-2002 with the contrast of other ship type, and its main performance grading index sees the following form in detail.
Visible from last table, the boats and ships of this ship grade be divided into the highest.
Description of drawings
The section lines structural representation of Fig. 1 hull of the present invention;
Fig. 2 is the elevation profile molded lines structural representation of hull of the present invention;
Fig. 3 is a hull afterbody U type profile scheme drawing of the present invention.
CL representes line of centers among the figure; BL representes baseline; TRA representes stern transom plate; FRA representes the fullest section line.
The specific embodiment
Clearer for technical matters, technical scheme and beneficial effect that the present invention is solved, below in conjunction with accompanying drawing and embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Embodiment 1
As depicted in figs. 1 and 2 a kind of be suitable for coastal and the bulk goods transportation equipment waterborne waters, the Changjiang river, said bulk goods transportation equipment waterborne is boats and ships, comprises stem, hull midships section, stern and cargo hold; The length between perpendiculars of said boats and ships is 200m, and molded breadth is 32.26m, and moldeed depth is 16.5m; The drinking water of said boats and ships is 0.32B; Said cargo hold is 5, and the boats and ships block coefficient of said boats and ships is 0.822, and said stem appearance curved surface is low wave making resistance curved surface; The cross section of said stern is the U type, and the line style of the ship outer casing of said boats and ships all is airflow design.
The present invention is for adapting to the shallow draft boats and ships of Coastal Navigation Areas, can reduce boats and ships and when the inward & outward, influenced by tidewater and cause Loss for Detention.The appearance curved surface of stem is designed to more can reduce the wave making resistance of boats and ships.Stern Cross section Design of the present invention is the U type, efficiently solves the not smooth problem of screw propeller incoming flow, further improves propulsion coefficient, improves the speed of a ship or plane.Existing good shallow water carrying capacity has outstanding resistance performance and propulsion quality again, also has good rough water quality and road-holding property, and enough intact stabilities and damaged stability are arranged.
Therefore said boats and ships can be designed to 5 cargo holds because overall drinking water is different with general boats and ships with beam ratio, lack a cargo hold than 6 cargo hold designs of general capsize vessel.The design-calculated benefit is that each flight number can reduce the ship loading and unloading ETCD estimated time of commencing discharging about 8 hours like this, and need not utilize cargo hold to be used as the storm ballast chamber.Because shipform is more flat, to satisfy under the situation of stability, its ballast chamber design is less, about 8 hours of the time of discharging ballast water.
The difference of itself and embodiment 1 is: the length between perpendiculars of said boats and ships is 225m, and molded breadth is 33m, and moldeed depth is 16.5m, and the drinking water of said boats and ships is 0.33B, and is therefore more flat than the boats and ships among the embodiment 1, more can adapt in shallow water and navigate by water.
More than through the detailed description of concrete and preferred embodiment the present invention; But those skilled in the art should be understood that; The present invention is not limited to the above embodiment; All within spirit of the present invention and principle, any modification of being done, be equal to replacement etc., all should be included within protection scope of the present invention.
Claims (9)
1. one kind is suitable for coastal and the bulk goods transportation equipment waterborne waters, the Changjiang river; Said bulk goods transportation equipment waterborne is boats and ships; Comprise stem, hull midships section, stern and cargo hold; It is characterized in that said boats and ships comprise length between perpendiculars, molded breadth and moldeed depth, for said moldeed depth 390～460 times of said length between perpendiculars and said molded breadth long-pending.
2. according to claim 1ly be suitable for coastal and the bulk goods transportation equipment waterborne waters, the Changjiang river, it is characterized in that the length between perpendiculars of said boats and ships is 200～215m, molded breadth is 32.26～33m, and moldeed depth is 15.5～16.5m.
3. according to claim 2ly be suitable for coastal and the bulk goods transportation equipment waterborne waters, the Changjiang river, it is characterized in that the length between perpendiculars of said boats and ships is 200m, molded breadth is 32.26m, and moldeed depth is 16.5m.
4. according to claim 2ly be suitable for coastal and the bulk goods transportation equipment waterborne waters, the Changjiang river, it is characterized in that the length between perpendiculars of said boats and ships is 215m, molded breadth is 33m, and moldeed depth is 15.5m.
5. according to claim 1 to 4 one of any described be suitable for coastal and the bulk goods transportation equipment waterborne waters, the Changjiang river, it is characterized in that the drinking water of said boats and ships is 0.32B～0.33B.
6. according to claim 1 to 4 one of any described be suitable for coastal and the bulk goods transportation equipment waterborne waters, the Changjiang river, it is characterized in that said cargo hold is 5, the boats and ships block coefficient of said boats and ships is 0.822.
7. according to claim 1 to 4 one of any described be suitable for coastal and the bulk goods transportation equipment waterborne waters, the Changjiang river, it is characterized in that said stem appearance curved surface is low wave making resistance curved surface.
8. according to claim 1 to 4 one of any described be suitable for coastal and the bulk goods transportation equipment waterborne waters, the Changjiang river, it is characterized in that the cross section of said stern is the U type.
9. according to claim 1 to 4 one of any described be suitable for coastal and the bulk goods transportation equipment waterborne waters, the Changjiang river, it is characterized in that the line style of the ship outer casing of said boats and ships all is airflow design.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101620421A CN102826197A (en) | 2011-06-16 | 2011-06-16 | Water bulk cargo transporting equipment applicable to coastal water areas and Yangtze River areas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101620421A CN102826197A (en) | 2011-06-16 | 2011-06-16 | Water bulk cargo transporting equipment applicable to coastal water areas and Yangtze River areas |
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| CN102826197A true CN102826197A (en) | 2012-12-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011101620421A Pending CN102826197A (en) | 2011-06-16 | 2011-06-16 | Water bulk cargo transporting equipment applicable to coastal water areas and Yangtze River areas |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107021184A (en) * | 2017-03-22 | 2017-08-08 | 哈尔滨工程大学 | A kind of real waters ice-breaking test method of ship |
| CN108357627A (en) * | 2018-02-06 | 2018-08-03 | 武汉理工大学 | The flat loose river-sea through ship type of low speed width |
Citations (2)
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| CN201457689U (en) * | 2009-05-31 | 2010-05-12 | 武汉南华高速船舶工程股份有限公司 | Shallow-draft vessel body |
| CN202186481U (en) * | 2011-06-16 | 2012-04-11 | 深圳远洋运输股份有限公司 | Overwater bulk-cargo transportation device suitable for coastal and southern China water areas |
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2011
- 2011-06-16 CN CN2011101620421A patent/CN102826197A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201457689U (en) * | 2009-05-31 | 2010-05-12 | 武汉南华高速船舶工程股份有限公司 | Shallow-draft vessel body |
| CN202186481U (en) * | 2011-06-16 | 2012-04-11 | 深圳远洋运输股份有限公司 | Overwater bulk-cargo transportation device suitable for coastal and southern China water areas |
Non-Patent Citations (4)
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| 国防科学技术工业委员会: "《中华人民共和国船舶行业标准》", 20 November 2002 * |
| 白绍隽: "五万吨级散货船系列研究开发", 《船舶设计通讯》 * |
| 白绍隽: "近年来灵便型散货船的船型发展及我院对该船型的研究工作", 《船舶设计通讯》 * |
| 陈晓敏: "浅议45000DWT内贸散货船主尺度的选取", 《船舶设计通讯》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107021184A (en) * | 2017-03-22 | 2017-08-08 | 哈尔滨工程大学 | A kind of real waters ice-breaking test method of ship |
| CN108357627A (en) * | 2018-02-06 | 2018-08-03 | 武汉理工大学 | The flat loose river-sea through ship type of low speed width |
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Application publication date: 20121219 |