CN104443257A - Ship energy-saving method based on longitudinal inclination optimization - Google Patents
Ship energy-saving method based on longitudinal inclination optimization Download PDFInfo
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- CN104443257A CN104443257A CN201410632374.5A CN201410632374A CN104443257A CN 104443257 A CN104443257 A CN 104443257A CN 201410632374 A CN201410632374 A CN 201410632374A CN 104443257 A CN104443257 A CN 104443257A
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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
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Abstract
The invention discloses a ship energy-saving method based on longitudinal inclination optimization. The method comprises the steps that a data statistical table of power consumption of a ship under different water drafts, navigational speeds and longitudinal inclinations is established; a database is established according to the data statistical table, and meanwhile a three-dimensional grid curved face is formed; the database and the three-dimensional grid curved face are input into a control terminal of the ship to be sailed and are displayed through a display; the longitudinal inclination value with the smallest power consumption is obtained by inputting the speed of advance and the water draft depth when the ship travels; the ship longitudinal inclination value is adjusted by a navigating mate. According to the ship energy-saving method based on longitudinal inclination optimization, the power consumption values under the different parameters of the ship are established in advance, the consumption values can be selected by the navigating mate in practical navigation, and therefore energy saving of the ship is achieved.
Description
Technical field
The present invention relates to a kind of ship energy saving method, particularly relating to a kind of power-economizing method by selecting optimum trim value to realize boats and ships.
Background technology
Ship energy saving be China's Resources for construction economizing type and friendly environment society in the urgent need to.On our times, oil resources are day by day in short supply, and within 2009, Global Oil residue demonstrated reserves are 1855.23 hundred million tons, and only can exploit 50 years, natural fuels, coal also only can exploit for more than 100 years, and the utilization of new forms of energy will fall behind 52 years.International oil price climbs up and up in recent years simultaneously, and the crude oil consumption amount of annual China is 3.79 hundred million tons, wherein dependence on import over half, and China's oil resource situation is nervous.2005, the consumption of petroleum total amount of China Transportation Industry accounted for 29.8% of whole society's consumption of petroleum amount, and the fuel oil consumption total amount of for-hire transport boats and ships is 1356.4 ten thousand tons, and expectation in 2012 reaches about 2,220 ten thousand tons.And the marine fuel oil of China utilize and uneconomical, average fuel consumption exceeds about 10% than developed country.On June 18th, 2008, point out in the carrier energy consumption index that Department of Transportation proposes: compared with 2005, to 2010 and the year two thousand twenty, ship in operation unit transport amount energy consumption declines 10% and 20% respectively, and in fact to 2010 end of the year, ship in operation unit transport amount energy consumption only have dropped 7%, ship energy saving be China build a resource-conserving society in the urgent need to.
In addition, the CO2 that boats and ships discharge in the world has at present reached 11.2 hundred million tons, accounts for 4.5% of global main greenhouse gas quantity discharged.Have prediction to think, to the year two thousand twenty whole world maritime industry by consumption 400,000,000 tons of fuel oils, the quantity discharged of greenhouse gases will increase by 75% on current basis, and the destruction and atmospheric contamination of causing ozone layer are also caused more serious impact by NO and SO of boats and ships discharge simultaneously.The CO2 quantity discharged of China Transportation Industry expects 2015 and will reach 5.22 hundred million tons and 11.08 hundred million tons respectively in 2030,1/4 wherein will be had to be produced by boats and ships, 2009, point out in the global environment meeting of Copenhagen, Chinese Government promises to undertake: realized the CO2 discharge of per GDP by 2020 than decline 40% to 45% target in 2005.For this reason, China will include in sustainable economic development overall plan control greenhouse emissions, transportation is that the whole society is only second to manufacturing fuel oil consumption rich and influential family, it is one of key areas of building a resource-conserving and environment-friendly society, water transport project is as the important component part of transportation, carrying forward vigorously energy-saving and emission-reduction, develop green shipping, is the mission of giving us epoch.
In sea-freight industry; International Maritime Organization (IMO) (IMO) is on the 62nd Marine Environmental Protection Committee (MEPC 62) of holding in July, 2011; have passed the amendment of MARPOL pact (MARPOL) the attachment VI for enforcing EEDI (boats and ships Energy design index) and SEEMP (plan of boats and ships energy efficiency management), the effective date is in January, 2013.Require that every boats and ships must preserve a concrete boats and ships energy efficiency management plan aboard ship.The MEPC.213(63 that IMO issued in March, 2012) file proposes the requirement of setting up real ship monitoring system to SEEMP (plan of boats and ships energy efficiency management), boats and ships efficiency operation index (EEOI) can be considered main monitoring means.
For this situation, all ship energy saving is studied both at home and abroad, general is all adopt technological improvement, management improves or operation change, but in the boats and ships of some international voyages, bow and stern can be designed to the shape that resistance is less under certain buoyancy, this just makes boats and ships when real navigation, floading condition and the theoretical floading condition of boats and ships are inconsistent, cause ship shape lines can not play due effect, and how can boats and ships be realized energy-conservation under different floading condition, the experience of navigating mate can only be leaned on to regulate.
Summary of the invention
The object of the invention is to the defect overcoming prior art, implement the effective way of the SEEMP (plan of boats and ships energy efficiency management) that International Maritime Organization (IMO) (IMO) promulgates, a kind of ship energy saving method optimized based on trim is provided, by setting up the power consumption number under boats and ships different parameters in advance, can select for navigating mate when real navigation, and be not only regulate by experience, ship's navigation energy consumption can be managed, and then realize energy-conservation.
For achieving the above object, the present invention proposes following technical scheme:
Based on the ship energy saving method that trim is optimized, specifically comprise the steps:
A. obtain boats and ships in different draft by hydrokinetics calculation or pond analogue test, the speed of a ship or plane, the main engine power that the resistance under trim condition suffered by boats and ships and needs consume, and form data statistic;
B. by building database in the data statistic typing server that generates in step a, and three-dimensional mesh curved surface is woven into according to the order of sequence in SPL mode;
C., before ship's navigation, by the memory device of the data bank in step b and three-dimensional mesh surface chart typing ship control terminal, and undertaken showing concrete form data or three-dimensional mesh curved surface by boats and ships telltale;
D. when ship's navigation, by the speed of a ship or plane and the draft of the input equipment input boats and ships on control terminal, control terminal is according to the information in the parameter information reading database of input, the main engine power that different for boats and ships under the current speed of a ship or plane and draft trim consumes is extracted, and shown by boats and ships telltale, for navigating mate reference;
E. navigating mate is according to the data on telltale, selects the trim that power consumption is minimum;
F. navigating mate makes boats and ships trim reach above-mentioned value by adjustment ballast water, fuel oil or goods, and method of adjustment comprises two kinds:
Method one: navigating mate controls relevant devices and adjusts, judges adjustment end point by navigating mate;
Method two: indicate relevant device to adjust by control terminal, and judge adjustment end point by detector;
G. once ship speed or draft change, above-mentioned steps d ~ f is just repeated to select suitable trim value;
H. in real navigation, along with the increase of the age of a ship, because hull appearance is stained, machine ages reason, under above-mentioned trim, actual power loss and predicted value have deviation, by the aeronautical data of accumulation, data bank is revised, upgrade to make data bank increase along with the age of a ship.
The data parameters that in described step a, data statistic comprises is the speed of a ship or plane, draft, trim value and boats and ships power consumption.
In described steps d, under navigating mate also searches the current speed of a ship or plane and draft voluntarily by three-dimensional mesh curved surface, the trim value that power consumption is minimum.
Pond analogue test in described step a, concrete steps are: set up simulation pond, dummy ship are put into simulation pond, and by regulating different draft, the speed of a ship or plane and trim, obtain the main engine power that boats and ships consume under parameters.
Hydrokinetics calculation in described step a, concrete steps are: the hydrokinetics calculation software utilizing the industry, set up boats and ships mathematics computing model, and by regulating different draft, the speed of a ship or plane and trim, obtain the main engine power that boats and ships consume under parameters.
Compared with prior art, the ship energy saving method optimized based on trim that the present invention discloses, by precalculating or test boats and ships in different draft, power consumption under the speed of a ship or plane and trim, and building database, make boats and ships navigating mate when navigating by water only need consult data bank and can determine the trim that power consumption is minimum, thus achieve energy-conservation under different floading condition of boats and ships.
Accompanying drawing explanation
Fig. 1 is three-dimensional mesh curved surface schematic diagram of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing of the present invention, clear, complete description is carried out to the technical scheme of the embodiment of the present invention.
A kind of disclosed ship energy saving method optimized based on trim, is mainly applicable to boats and ships and adjusts method of ship floating condition under sail to realize low power arrival destination, thus realize energy-conservation, specifically comprise the steps:
A. boats and ships are obtained in different draft by hydrokinetics calculation, the speed of a ship or plane, the main engine power that resistance under trim condition suffered by boats and ships and needs consume, concrete steps are: the hydrokinetics calculation software utilizing the industry, set up boats and ships mathematics computing model, by regulating different draft, the speed of a ship or plane and trim, and then obtain the main engine power that boats and ships consume under parameters, and form data statistic (as table 1);
B. the data statistic generated in step a is entered into building database in server, and is woven into three-dimensional mesh curved surface (as shown in Figure 1) according to the order of sequence in SPL mode;
C., before ship's navigation, by the memory device of the data bank in step b and three-dimensional mesh surface chart typing ship control terminal, and undertaken showing concrete form data or three-dimensional mesh curved surface by boats and ships telltale;
D. before ship's navigation or in navigation, by the speed of a ship or plane and the draft of the input equipment input ship plan on control terminal, control terminal is according to the information in the parameter information reading database of input, the main engine power that different for boats and ships under the current speed of a ship or plane and draft trim consumes is extracted, and shown by boats and ships telltale, for navigating mate reference;
E. navigating mate is according to the data on telltale, selects the trim value that power consumption is minimum;
F. navigating mate makes boats and ships trim reach above-mentioned value by adjustment ballast water, fuel oil or goods, and method of adjustment comprises two kinds:
Method one: navigating mate controls relevant devices and adjusts, judges adjustment end point by navigating mate;
Method two: indicate relevant device to adjust by control terminal, and judge adjustment end point by detector;
G. once ship speed or draft change, above-mentioned steps d ~ f is just repeated to select suitable trim value;
H. in real navigation, along with the increase of the age of a ship, due to reasons such as hull appearance is stained, machine ages, may appear at actual power loss and predicted value under above-mentioned trim has deviation, can be revised data bank by the aeronautical data of accumulation, upgrade to make data bank increase along with the age of a ship.
In above-mentioned steps a, can also detect that boats and ships absorb water in difference by pond analogue test, the speed of a ship or plane, resistance suffered under trim condition or the main engine power of consumption, concrete steps are: set up simulation pond, dummy ship are put into simulation pond, by regulating different draft, the speed of a ship or plane and trim, obtain the main engine power that boats and ships consume under parameters.
In above-mentioned steps d, under navigating mate also searches the current speed of a ship or plane and draft voluntarily by three-dimensional mesh curved surface, the trim value that power consumption is minimum.
Table 1
Technology contents of the present invention and technical characteristic have disclosed as above; but those of ordinary skill in the art still may do all replacement and the modification that do not deviate from spirit of the present invention based on teaching of the present invention and announcement; therefore; scope should be not limited to the content that embodiment discloses; and various do not deviate from replacement of the present invention and modification should be comprised, and contained by present patent application claim.
Claims (6)
1., based on the ship energy saving method that trim is optimized, it is characterized in that: specifically comprise the steps:
A. obtain boats and ships in different draft by hydrokinetics calculation or pond analogue test, the speed of a ship or plane, the main engine power that the resistance under trim condition suffered by boats and ships and needs consume, and form data statistic;
B. by building database in the data statistic typing server that generates in step a, and three-dimensional mesh curved surface is woven into according to the order of sequence in SPL mode;
C., before ship's navigation, by the memory device of the data bank in step b and three-dimensional mesh surface chart typing ship control terminal, and undertaken showing concrete form data or three-dimensional mesh curved surface by boats and ships telltale;
D. when ship's navigation, by the speed of a ship or plane and the draft of the input equipment input ship plan on control terminal, control terminal is according to the information in the parameter information reading database of input, the main engine power that different for boats and ships under the current speed of a ship or plane and draft trim consumes is extracted, and shown by boats and ships telltale, for navigating mate reference;
E. navigating mate is according to the data on telltale, selects the trim that power consumption is minimum, and regulates boats and ships to reach this trim;
F. once ship speed or draft change, above-mentioned steps d ~ e is just repeated to select suitable trim value and to implement;
G. in real navigation, along with the increase of the age of a ship, because hull appearance is stained, machine ages reason, under above-mentioned trim, actual power loss and predicted value have deviation, by the aeronautical data of accumulation, data bank is revised, upgrade to make data bank increase along with the age of a ship.
2. a kind of ship energy saving method optimized based on trim according to claim 1, is characterized in that: the data parameters that in described step a, data statistic comprises is the speed of a ship or plane, draft, trim value and boats and ships power consumption.
3. a kind of ship energy saving method optimized based on trim according to claim 1, is characterized in that: in described steps d, under navigating mate also searches the current speed of a ship or plane and draft voluntarily by three-dimensional mesh curved surface, and the trim value that power consumption is minimum.
4. according to claim 1 a kind of based on trim optimize ship energy saving method, it is characterized in that: in described step e, can by adjustment ballast tank of ship in ballast water, fuel oil or by adjustment cargo hold in Container Loading carry out the adjustment of trim value.
5. a kind of ship energy saving method optimized based on trim according to claim 1, it is characterized in that: the pond analogue test in described step a, concrete steps are: set up simulation pond, dummy ship is put into simulation pond, by regulating different draft, the speed of a ship or plane and trim, obtain the main engine power that boats and ships consume under parameters.
6. a kind of ship energy saving method optimized based on trim according to claim 1, it is characterized in that: the hydrokinetics calculation in described step a, concrete steps are: the hydrokinetics calculation software utilizing the industry, set up boats and ships mathematics computing model, by regulating different draft, the speed of a ship or plane and trim, obtain the main engine power that boats and ships consume under parameters.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105224745A (en) * | 2015-09-30 | 2016-01-06 | 华中科技大学 | Ship loading performance optimization system |
| WO2017016173A1 (en) * | 2015-07-28 | 2017-02-02 | 广船国际有限公司 | Ship eedi trial speed measurement verification method |
| CN109552553A (en) * | 2018-11-06 | 2019-04-02 | 南通中远海运川崎船舶工程有限公司 | The environmentally protective container ship of 20000 casees grades and its intelligent management |
| CN110110351A (en) * | 2019-03-20 | 2019-08-09 | 浙江海洋大学 | A kind of method for numerical simulation of ship trim optimization |
| CN110979583A (en) * | 2019-12-16 | 2020-04-10 | 上海船舶研究设计院（中国船舶工业集团公司第六0四研究院） | Ship trim optimization method and device and electronic equipment |
| CN111382545A (en) * | 2020-03-23 | 2020-07-07 | 上海船舶研究设计院（中国船舶工业集团公司第六0四研究院） | Method and device for calculating navigation energy consumption of ship and computer equipment |
| WO2020161055A1 (en) * | 2019-02-07 | 2020-08-13 | Shell Internationale Research Maatschappij B.V. | Method and system for reducing vessel fuel consumption |
| CN112009636A (en) * | 2020-08-21 | 2020-12-01 | 武汉理工大学 | Intelligent loading and drag reduction system and method for ship navigation |
| CN113968315A (en) * | 2021-12-14 | 2022-01-25 | 中国地质大学（武汉） | Container ship trim optimization method based on machine learning |
| CN115795663A (en) * | 2022-11-15 | 2023-03-14 | 中国地质大学（武汉） | Method for determining optimal trim navigation of ship under actual sea condition |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017016173A1 (en) * | 2015-07-28 | 2017-02-02 | 广船国际有限公司 | Ship eedi trial speed measurement verification method |
| CN105224745A (en) * | 2015-09-30 | 2016-01-06 | 华中科技大学 | Ship loading performance optimization system |
| CN105224745B (en) * | 2015-09-30 | 2018-03-09 | 华中科技大学 | Ship loading performance optimization system |
| CN109552553B (en) * | 2018-11-06 | 2021-06-11 | 南通中远海运川崎船舶工程有限公司 | Twenty thousand container level green environment protection container ship and intelligent management method thereof |
| CN109552553A (en) * | 2018-11-06 | 2019-04-02 | 南通中远海运川崎船舶工程有限公司 | The environmentally protective container ship of 20000 casees grades and its intelligent management |
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| CN110110351A (en) * | 2019-03-20 | 2019-08-09 | 浙江海洋大学 | A kind of method for numerical simulation of ship trim optimization |
| CN110979583A (en) * | 2019-12-16 | 2020-04-10 | 上海船舶研究设计院（中国船舶工业集团公司第六0四研究院） | Ship trim optimization method and device and electronic equipment |
| CN111382545A (en) * | 2020-03-23 | 2020-07-07 | 上海船舶研究设计院（中国船舶工业集团公司第六0四研究院） | Method and device for calculating navigation energy consumption of ship and computer equipment |
| CN112009636A (en) * | 2020-08-21 | 2020-12-01 | 武汉理工大学 | Intelligent loading and drag reduction system and method for ship navigation |
| CN113968315A (en) * | 2021-12-14 | 2022-01-25 | 中国地质大学（武汉） | Container ship trim optimization method based on machine learning |
| CN115795663A (en) * | 2022-11-15 | 2023-03-14 | 中国地质大学（武汉） | Method for determining optimal trim navigation of ship under actual sea condition |
| CN115795663B (en) * | 2022-11-15 | 2023-07-11 | 中国地质大学（武汉） | Method for determining optimal trim navigation of ship under actual sea conditions |
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Application publication date: 20150325 |