CN104978446B - Ship integrated power system integral design method - Google Patents
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Abstract
The present invention provides a kind of ship integrated power system integral design methods, determine the overall performance requirement of ship；It is required to carry out critical-path analysis to the energy of full ship and load according to the overall performance of ship；Ship integrated power system tentative programme is determined according to the result of the energy of full ship and the critical-path analysis of load；The ship integrated power system after equipment general arrangement is determined according to ship integrated power system tentative programme；Net assessment and service check are carried out to the ship integrated power system after equipment general arrangement, the ship integrated power system of full ship energy synthesis allotment, equipment flexible arrangement can be obtained.
Description
Technical field
The present invention relates to the present invention relates to ship class power system technology, in particular to a kind of ship integrated power system collection
At design method.
Background technique
Hot spot one of of the integrated power system due to many advantages, becoming domestic and international ship research now.Using comprehensive
The ship of electric system is closed compared with normal shipboard, has many advantages, such as full ship energy synthesis allotment, equipment flexible arrangement, and be the present
High energy special equipment goes on board to apply and create favorable conditions afterwards.But the current country there is no very mature integrated power system using warp
It tests, relevant scientific research institutions only exist in theoretical research and partial verification experimental verification stage, lack complete design method, Wu Faman
The system-wide design requirement of foot.
Summary of the invention
The purpose of the present invention is to provide a kind of ship integrated power system integral design methods, can obtain full ship energy
Integrate the ship integrated power system of allotment, equipment flexible arrangement.
To solve the above problems, the present invention provides a kind of ship integrated power system integral design method, comprising:
Determine the overall performance requirement of ship；
It is required to carry out critical-path analysis to the energy of full ship and load according to the overall performance of ship；
Ship integrated power system tentative programme is determined according to the result of the energy of full ship and the critical-path analysis of load；
The ship integrated power system after equipment general arrangement is determined according to ship integrated power system tentative programme；
Net assessment and service check are carried out to the ship integrated power system after equipment general arrangement.
Further, in the above-mentioned methods, the ship overall performance requires as suitable dress property, rapidity, mobility, stealthy
Property, vitality overall performance in terms of specific requirement to ship integrated power system.
Further, in the above-mentioned methods, it requires to unite to the energy of full ship and load according to the overall performance of ship
The step of raising analysis include:
Power needed for being promoted according to propeller end considers each equipment of propulsion system and transmission efficiency of shafting, typical boat is calculated
Power needed for the propulsion of the lower power end of speed；
Using normal shipboard calculation of power load method as defined in a pre-set specifications, daily and conventional weapon institute is calculated
Need power；
According to high energy special equipment characteristic, its required power is specified, and according to load characteristic, is converted into institute under different operating conditions
The continuous power needed；
By power needed for power, daily and conventional weapon needed for the propulsion of power end under the typical speed of a ship or plane and different operating conditions
Under required continuous power this three it is cumulative, the maximum general power needed for obtaining under each operating condition of full ship.
Further, in the above-mentioned methods, determine that ship is comprehensive according to the result of the energy of full ship and the critical-path analysis of load
Close electric system tentative programme the step of include:
Step 1 is maximized from maximum general power required under complete each operating condition of ship, is reserved and is wanted not less than specification
The deposit allowance asked, as the design reference value of generator unit total installation of generating capacity, according to design specification, ship totality displacement, life
Life force request and full shipowner want load distribution situation to determine the power station equipment quantity of generator unit, are divided into intermediate voltage generating station and low tension
It stands, wherein the installed capacity of intermediate voltage generating station meets maximum general power required under each operating condition of full ship, and low-pressure electricity station installed capacity is full
Foot berths and pulls in shore maximum general power needed for full ship under operating condition；
Step 2, transmission & distribution electric unit include medium-voltage distribution plate, low-tension distribution board and section board, wherein in each middle pressure
Power station be arranged one block of medium-voltage distribution plate, medium pressure panel is powered by middle pressure generating set, each medium-voltage distribution plate it
Between be attached by jumper；One piece of low-tension distribution board is set in each low-pressure electricity station, by low voltage generator group or middle press-fitting
Battery plate is powered by transformation device to the low-tension distribution board, is attached between each low-tension distribution board by jumper；Foundation
Region distribution principle, full ship are divided into several regions, and one piece of section board is arranged in each region, from low-tension distribution board to the area
Panel power supply；
Step 3, according to total demand and technical risk determine in, low-pressure end electricity system, wherein set up and set in conjunction with system electricity
Electric transforming unit fades to low tension system by middle piezoelectricity system, if any specific demand, then low-pressure end also needs electricity needed for fading to load-side
System；
Step 4 such as uses alternating current system, then propulsion unit is made of propulsion transformer, frequency converter and propulsion electric machine；Such as
Using direct current system, then propulsion unit is made of frequency converter and propulsion electric machine, wherein the propulsion electric machine capacity is as needed for promoting
Maximum power is determining, and need to be there are the defined margin of power, and the frequency converter, transformer capacity are true according to propulsion electric machine progress
It is fixed；
Step 5, daily load cell is similar with normal shipboard, by low pressure main distribution board, section board, distribution electric box three
Grade power supply；
Step 6, according to high energy special equipment and specific loads demand, combination technology risk chooses suitable energy storage list
Member；
Step 7, according to traditional ship promote monitoring function, monitoring power station function, full ship electric energy integrated management function,
Propeller power limitation function design energy administrative unit under special operation condition.
Further, in the above-mentioned methods, in step 1, according to prime mover characteristic, the composition in each power station is determined,
In, intermediate voltage generating station is mainly made of Gas Turbine Generating Units, diesel generating set and middle pressure main distribution board, and low-pressure electricity station is by auxiliary
Diesel generating set and low-tension distribution board is helped to form.
Further, in the above-mentioned methods, in step 6, the energy-storage units include battery group, flywheel energy storage, fuel
Battery, superconducting energy storage, capacitive energy storage and compressed gas or steam energy storage.
Further, in the above-mentioned methods, after determining equipment general arrangement according to ship integrated power system tentative programme
In the step of ship integrated power system, the carry out equipment general arrangement for carrying out integrated power system is laid out in conjunction with ship's space, it is main
Wanting large scale equipment includes generating set, panel, propulsion electric machine, frequency converter and propulsion transformer etc., wherein generating set is general
It is arranged in cabin section, according to overall life force request, each power station is arranged apart, and it is attached that main distribution board is arranged in corresponding power station nearby
Closely, propulsion electric machine is arranged close to ship tail portion, and frequency converter promotes transformer that should arrange close to the propulsion electric machine.
Further, in the above-mentioned methods, to after equipment general arrangement ship integrated power system carry out net assessment and
In the step of service check, from overall suitable dress property, rapidity, mobility, stealth, viability, economy and technology wind
Dangerous angle is fully assessed and is analyzed to the ship integrated power system after equipment general arrangement, when necessary combine simulation calculation,
The means such as ship model experiment verifying are tested.
Compared with prior art, the present invention passes through the overall performance requirement for determining ship；It is wanted according to the overall performance of ship
It asks and critical-path analysis is carried out to the energy of full ship and load；Ship is determined according to the result of the energy of full ship and the critical-path analysis of load
Integrated power system tentative programme；Ship craft integrated electricity after determining equipment general arrangement according to ship integrated power system tentative programme
Force system；Net assessment and service check are carried out to the ship integrated power system after equipment general arrangement, full ship energy can be obtained
Measure the ship integrated power system of comprehensive allotment, equipment flexible arrangement.
Detailed description of the invention
Fig. 1 is the combined power of one embodiment of the invention with electrical schematic diagram；
Fig. 2 is program cabin section arrangement schematic diagram；
In Fig. 1,1G, 2G are middle pressure Gas Turbine Generating Units, and 3G, 4G are medium voltage diesel generator set, and 1AG, 2AG are low
Press diesel generating set；1T, 2T are to promote transformer；3T, 4T are daily transformer；1FC, 2FC are propulsion frequency converter；1M,
2M is propulsion electric machine.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
The present invention provides a kind of ship integrated power system integral design method, comprising:
Step S1 determines the overall performance requirement of ship；
Step S2 requires to carry out critical-path analysis to the energy of full ship and load according to the overall performance of ship；
Step S3 determines that ship integrated power system is tentatively square according to the result of the energy of full ship and the critical-path analysis of load
Case；
Step S4, the ship craft integrated power train after equipment general arrangement is determined according to ship integrated power system tentative programme
System；
Step S5 carries out net assessment and service check to the ship integrated power system after equipment general arrangement.
Optionally, ship overall performance described in step S1 requires as suitable dress property, rapidity, mobility, stealth, life
Specific requirement in terms of the overall performances such as power to ship integrated power system.
Preferably, step S2 includes power and height needed for power, daily and conventional weapon needed for determining full ship propulsion respectively
Can power needed for special equipment, final maximum general power needed for clearly full ship specifically includes:
1) power needed for being promoted according to propeller end considers each equipment of propulsion system and transmission efficiency of shafting, typical case is calculated
Power needed for the propulsion of power end under the speed of a ship or plane；
2) using normal shipboard calculation of power load method as defined in a pre-set specifications, daily and conventional weapon is calculated
Required power；
3) according to high energy special equipment characteristic, its required power is specified, and according to load characteristic, is converted under different operating conditions
Required continuous power；
4) by power needed for power, daily and conventional weapon needed for the propulsion of power end under the above-mentioned typical speed of a ship or plane and different works
Continuous power this three needed under condition is cumulative, the maximum general power needed for obtaining under each operating condition of full ship.
Preferably, step S3 includes that ship integrated power system is divided into generator unit, transmission & distribution electric unit, power transformation list
Member, propulsion unit, daily load cell, energy-storage units and energy management unit determine the scheme and equipment choosing of each unit respectively
Type specifically includes:
1) it is maximized, is reserved not less than rule in the maximum general power needed under each operating condition of full ship that previous step obtains
The deposit allowance that model requires totally is drained as the design reference value of generator unit total installation of generating capacity according to design specification, ship
Amount, life force request and full shipowner want load distribution situation etc. to determine the power station equipment quantity of generator unit, generally can be divided into
Piezoelectricity station and low-pressure electricity station, wherein the installed capacity of intermediate voltage generating station meets maximum general power required under each operating condition of full ship, low pressure
Installed capacity of power station satisfaction is berthed and pulls in shore maximum general power needed for full ship under operating condition, with specific reference to optional prime mover characteristic,
Determine that the composition in each power station, general intermediate voltage generating station are mainly matched by Gas Turbine Generating Units, diesel generating set and middle pressure master
Battery plate composition, low-pressure electricity station are made of auxiliary diesel generater set and low-tension distribution board；
2) transmission & distribution electric unit includes medium-voltage distribution plate, low-tension distribution board and section board, wherein is set in each intermediate voltage generating station
One block of medium-voltage distribution plate is set, medium pressure panel is powered by middle pressure generating set, is passed through between each medium-voltage distribution plate
Jumper is attached；One piece of low-tension distribution board is set in each low-pressure electricity station, is led to by low voltage generator group or medium-voltage distribution plate
It crosses transformation device to power to the low-tension distribution board, be attached between each low-tension distribution board by jumper；Match according to region
Electric principle, full ship are divided into several regions, and one piece of section board is arranged in each region, from low-tension distribution board to the section board
Power supply；
3) according to total demand and technical risk determine in, low-pressure end electricity system, it is general in be pressed with exchange 6300V(6600V)
With direct current 4000V, low pressure has exchange 380V(390V) and direct current 710V, set up in conjunction with system electricity and set the electric transforming unit, i.e., by
Middle piezoelectricity system fades to low tension system, and if any specific demand, then low-pressure end also needs electricity needed for fading to load-side to make；
4) as used alternating current system, then propulsion unit is made of propulsion transformer, frequency converter and propulsion electric machine；Such as using straight
Galvanic electricity system, then propulsion unit is made of frequency converter and propulsion electric machine, wherein propulsion electric machine capacity maximum work needed for promoting
Rate determines, and need to be there are the defined margin of power, and the frequency converter, transformer capacity are determined according to propulsion electric machine；
5) the daily load cell is similar with normal shipboard, by low pressure main distribution board, section board, distribution electric box three-level
Power supply；
6) main optional energy-storage units (device) include battery group, flywheel energy storage, fuel cell, superconducting energy storage, electricity
Hold energy storage and compressed gas or steam energy storage, need to be chosen according to high energy special equipment and specific loads demand, combination technology risk
Suitable energy storage device.
7) energy management unit mainly realizes the unified allocation of resources and utilization of full ship energy, need to be monitored in traditional ship propulsion,
On the basis of monitoring power station, the functions such as the propeller power limitation under the integrated management of full ship electric energy, special operation condition are realized.
In step S4, the carry out equipment general arrangement for carrying out integrated power system is laid out in conjunction with ship's space, main large size is set
Standby includes generating set, panel, propulsion electric machine, frequency converter and propulsion transformer etc., wherein generating set is generally disposed at machine
Bay section, according to overall life force request, each power station is arranged apart, and main distribution board is arranged in nearby near corresponding power station, promotes electricity
Machine arranges that frequency converter promotes transformer that should arrange close to the propulsion electric machine as close as possible to ship tail portion.Remaining equipment arrangement side
Method can refer to traditional ship electromechanical equipment.
In step S5, from overall suitable dress property, rapidity, mobility, stealth, viability, economy and technology wind
Danger is angularly fully assessed and is analyzed to the ship integrated power system after equipment general arrangement, combines emulation meter when necessary
The means such as calculation, ship model experiment verifying are tested, finally to confirm whether the ship integrated power system after equipment general arrangement is full
Sufficient general requirement.
Each step of the invention is described in detail below by an embodiment:
Step S1 determines the overall performance requirement of ship:
Propeller receives power not less than 30MW when the overall requirement to integrated power system of the ship is loaded displacement, patrols
Propeller receives power not less than 5MW when the boat speed of a ship or plane, and cabin section overall length is no more than 35m.
Step S2 requires to carry out critical-path analysis to the energy of full ship and load according to the overall performance of ship:
1) considering system effectiveness, when being computed maximum speed, power end power demand is about 32MW, when cruise, power end
Power demand is about 5.3MW；
2) three classes Y-factor method Y is applied, power needed for daily and conventional weapon is about 2MW under maximum duty, is needed under cruising condition
Seek about 1.2MW；
3) this ship temporarily loads demand without specific high energy special equipment, and high energy special equipment power demand is zero；
4) by above-mentioned three Xiang Xiangjia it is found that under maximum duty, overall power requirement is about 34MW, under cruising condition, general power
Demand is about 6.5MW.
Step S3 determines that ship integrated power system is tentatively square according to the result of the energy of full ship and the critical-path analysis of load
Case:
Ship integrated power system is divided into generator unit, transmission & distribution electric unit, electric transforming unit, propulsion unit, daily negative
Lotus unit, energy-storage units and energy management unit determine the scheme and lectotype selection of each unit respectively, specifically include:
1) according to power demand, generator unit total installation of generating capacity is not less than 34MW.Comprehensively considering cruise and maximum speed needs
The economy asked is arranged in 2 and presses Gas Turbine Generating Units, every capacity 14.5MW, presses diesel-driven generator in setting 2
2 low pressure auxiliary diesel generators are separately arranged to guarantee the power demand of operating condition of berthing and pull in shore in group, every capacity 3.5MW
Group, every capacity 1MW.According to life force request, two intermediate voltage generating stations and 2 low-pressure electricity stations, preceding intermediate voltage generating station master is arranged in full ship
It will be by 2 Gas Turbine Generating Units and 1 piece of medium-voltage distribution board group at rear intermediate voltage generating station is mainly by 2 diesel generating sets and 1
Block medium-voltage distribution board group is at preceding low-pressure electricity station is mainly made of 2 auxiliary diesel generater sets and 1 piece of low-tension distribution board, rear low
Piezoelectricity station owner will be made of 1 piece of low-tension distribution board；
2) in transmission & distribution electric unit, one block of medium-voltage distribution plate is arranged in each intermediate voltage generating station, is powered by middle pressure generating set,
It is attached between two blocks of medium-voltage distribution plates by two jumpers；One piece of low-tension distribution board is arranged in each low-pressure electricity station, respectively
By low voltage generator group or medium-voltage distribution plate by daily transformer-supplied, pass through a jumper between two pieces of low-tension distribution boards
It is attached；According to region distribution principle, full ship is divided into several regions, and one piece of section board is arranged in each region, by low pressure
Panel power supply；
3) medium voltage side electricity is made as exchange 6300V, and low-pressure side electricity is made as exchange 390V, two daily transformers is arranged, in
It presses 6300V transformation to 390V, is daily load supplying；
4) propulsion unit is made of propulsion transformer, frequency converter and propulsion electric machine, and full ship sets two propulsion electric machines, according to function
Rate demand and station capacity, every propulsion electric machine capacity take 16MW, and the propulsion transformer and frequency converter of respective volume is arranged；
5) daily load cell is similar with normal shipboard, is supplied by low pressure main distribution board, section board, distribution electric box three-level
Electricity；
6) because of no high energy special equipment power demand, energy-storage units select conventional battery group；
7) a set of energy management unit is arranged in full ship, realizes full ship electric power, the comprehensive monitoring of propulsion and control, combined power
System with electrical schematic diagram it is as shown in Figure 1.
Step S4, the ship craft integrated power train after equipment general arrangement is determined according to ship integrated power system tentative programme
System carries out the equipment general arrangement of ship integrated power system:
Gas Turbine Generating Units are arranged in forward engine room, and diesel generating set and auxiliary power generation unit are arranged in rear cabin,
Propulsion electric machine is arranged in propulsion electric machine cabin, frequency converter and transformer arrangement in propulsion electric machine upper deck, and main distribution board is arranged in
Generating set upper deck.To ensure that vitality of powering, 2, the interval bay section of two intermediate voltage generating stations can guarantee full ship continuous three
There is normal electricity supply in the case that cabin water inlet is not heavy.Remaining equipment method for arranging refers to traditional ship electromechanical equipment, cabin section
Arrange that schematic diagram is as shown in Figure 2.
Step S5 carries out net assessment and service check to the ship integrated power system after equipment general arrangement:
According to theoretical calculation and simulation analysis, after the program, propeller when maximum speed under this ship loaded displacement
Receiving power is about 32MW, and it is about 5.5MW that when cruise, which receives power, and cabin section overall length is 33.5m, and various functions performance indicator is equal
Meet general requirement.
In conclusion the present invention can system design provide foundation, instruct ship integrated power system to design.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For system disclosed in embodiment
For, due to corresponding to the methods disclosed in the examples, so being described relatively simple, related place is referring to method part illustration
?.
Professional further appreciates that, unit described in conjunction with the examples disclosed in the embodiments of the present disclosure
And algorithm steps, can be realized with electronic hardware, computer software, or a combination of the two, in order to clearly demonstrate hardware and
The interchangeability of software generally describes each exemplary composition and step according to function in the above description.These
Function is implemented in hardware or software actually, the specific application and design constraint depending on technical solution.Profession
Technical staff can use different methods to achieve the described function each specific application, but this realization is not answered
Think beyond the scope of this invention.
Obviously, those skilled in the art can carry out various modification and variations without departing from spirit of the invention to invention
And range.If in this way, these modifications and changes of the present invention belong to the claims in the present invention and its equivalent technologies range it
Interior, then the invention is also intended to include including these modification and variations.
Claims (6)
1. a kind of ship integrated power system integral design method characterized by comprising determine that the overall performance of ship is wanted
It asks；It is required to carry out critical-path analysis to the energy of full ship and load according to the overall performance of ship；According to the energy of full ship and load
The result of critical-path analysis determine ship integrated power system tentative programme；It is determined according to ship integrated power system tentative programme
Ship integrated power system after equipment general arrangement；To after equipment general arrangement ship integrated power system carry out net assessment and
Service check；
Requiring the step of carrying out critical-path analysis to the energy of full ship and load according to the overall performance of ship includes: according to propeller
Power needed for end promotes considers each equipment of propulsion system and transmission efficiency of shafting, the propulsion institute of power end under the typical speed of a ship or plane is calculated
Need power；Using normal shipboard calculation of power load method as defined in a pre-set specifications, daily and conventional weapon institute is calculated
Need power；According to high energy special equipment characteristic, its required power is specified, and according to load characteristic, is converted into institute under different operating conditions
The continuous power needed；By power needed for power, daily and conventional weapon needed for the propulsion of power end under the typical speed of a ship or plane and not
It is cumulative with the continuous power this three needed under operating condition, the maximum general power needed for obtaining under each operating condition of full ship；
The step of determining ship integrated power system tentative programme according to the result of the energy of full ship and the critical-path analysis of load packet
Include: step 1 is maximized from maximum general power required under complete each operating condition of ship, reserves the storage not less than code requirement
Standby allowance is wanted as the design reference value of generator unit total installation of generating capacity according to design specification, ship totality displacement, vitality
Full ship load distribution situation of summing determines the power station equipment quantity of generator unit, is divided into intermediate voltage generating station and low-pressure electricity station, wherein in
The installed capacity at piezoelectricity station meets maximum general power required under each operating condition of full ship, and low-pressure electricity station installed capacity satisfaction is berthed and leaned on
Maximum general power needed for full ship under bank operating condition；Step 2, transmission & distribution electric unit include that medium-voltage distribution plate, low-tension distribution board and area match
Battery plate, wherein one block of medium-voltage distribution plate is set in each intermediate voltage generating station, medium pressure panel is carried out by middle pressure generating set
It powers, is attached between each medium-voltage distribution plate by jumper；One piece of low-tension distribution board is set in each low-pressure electricity station, by low
Pressure generating set or medium-voltage distribution plate are powered to the low-tension distribution board by transformation device, between each low-tension distribution board by across
Wiring is attached；According to region distribution principle, full ship is divided into several regions, and one piece of section board is arranged in each region, by
Low-tension distribution board is powered to the section board；Step 3, according to total demand and technical risk determine in, low-pressure end electricity system,
Wherein, it is set up in conjunction with system electricity and sets electric transforming unit, i.e., low tension system is faded to by middle piezoelectricity system, low-pressure end can also fade to as needed
The system of electricity needed for load-side；Step 4 such as uses alternating current system, then propulsion unit is by propulsion transformer, frequency converter and propulsion electric machine
Composition；Such as use direct current system, then propulsion unit is made of frequency converter and propulsion electric machine, wherein the propulsion electric machine capacity by
Maximum power needed for promoting is determining, and need to be there are the defined margin of power, and the frequency converter, transformer capacity are according to propulsion electric machine
It is determined；Step 5, daily load cell is similar with normal shipboard, by low pressure main distribution board, section board, distribution electric box three
Grade power supply；Step 6, according to high energy special equipment and specific loads demand, combination technology risk chooses energy-storage units；Step
Seven, it is promoted under monitoring function, monitoring power station function, the integrated management function of full ship electric energy, special operation condition according to traditional ship
Propeller power limitation function design energy administrative unit.
2. ship integrated power system integral design method as described in claim 1, which is characterized in that the ship bulking property
It can require as suitable dress property, the overall performance aspect of rapidity, mobility, stealth, vitality to ship integrated power system
Specific requirement.
3. ship integrated power system integral design method as described in claim 1, which is characterized in that in step 1, according to
Prime mover characteristic determines the composition in each power station, wherein intermediate voltage generating station by Gas Turbine Generating Units, diesel generating set and
Middle pressure main distribution board composition, low-pressure electricity station are made of auxiliary diesel generater set and low-tension distribution board.
4. ship integrated power system integral design method as described in claim 1, which is characterized in that described in step 6
Energy-storage units include battery group, flywheel energy storage, fuel cell, superconducting energy storage, capacitive energy storage and compressed gas or steam energy storage.
5. ship integrated power system integral design method as described in claim 1, which is characterized in that according to ship craft integrated electricity
Force system tentative programme determined in the step of ship integrated power system after equipment general arrangement, is laid out and carries out in conjunction with ship's space
The carry out equipment general arrangement of integrated power system, large scale equipment include generating set, panel, propulsion electric machine, frequency converter and push away
Into transformer, wherein generating set is arranged in cabin section, and according to overall life force request, each power station is arranged apart, main distribution board
It is arranged near corresponding power station nearby, propulsion electric machine is arranged close to ship tail portion, and frequency converter promotes transformer that should push away close to described
It is arranged into motor.
6. ship integrated power system integral design method as described in claim 1, which is characterized in that after equipment general arrangement
Ship integrated power system carry out net assessment and the step of service check in, from overall suitable dress property, rapidity, mobility,
Stealth, viability, economy and technical risk angle carry out the ship integrated power system after equipment general arrangement complete
Face assessment and analysis are tested in conjunction with simulation calculation, ship model experiment verifying.
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| CN104978446A (en) | 2015-10-14 |
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