CN106644376A - Experimental device for measuring torque of catamaran and experimental method - Google Patents
Experimental device for measuring torque of catamaran and experimental method Download PDFInfo
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- CN106644376A CN106644376A CN201610915412.7A CN201610915412A CN106644376A CN 106644376 A CN106644376 A CN 106644376A CN 201610915412 A CN201610915412 A CN 201610915412A CN 106644376 A CN106644376 A CN 106644376A
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- G—PHYSICS
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- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
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Abstract
The invention discloses an experimental device for measuring the torque of a catamaran. The catamaran is composed of a first hull, a second hull and a connection bridge, wherein the connection bridge is connected with the first hull and the second hull, the first hull and the second hull are respectively located in four independent water tanks, the water tanks are internally provided with water circulating devices, and the water tanks are further internally provided with speed measuring instruments used for measuring the circulating water; a strain gauge is installed at the position where the transverse bulkhead of the first ship body is contacted with the connection bridge, the strain gauge is connected with a charge amplifier through a wire, the charge amplifier is sequentially connected with a multichannel information acquisition instrument and a computer. The experimental device simulates that the stem part of one hull is located at a wave trough and the stern part is located at the wave crest and that the stem part of the other hull is located at the crest peak and the stern part is located at the wave trough through the volume of water in the four independent loading water tanks, and different wave heights can be simulated through controlling the relative height, thereby simulating the torque received by the catamaran, and enabling the experiment to be real, easy to observe and persuasive.
Description
Technical field
The present invention relates to measure the experimental provision and experimental technique of catamaran moment of torsion, belong to the fields of measurement of catamaran.
Background technology
Into the new century since, due to the deep development of economic globalization, the economic and trade contact between countries in the world is also more next
It is more frequent.Along with the continuous expansion of world shipping market, and the environmental problem that in recent years people are concerned about increasingly is projected, this
It is a little all to promote people to develop new, high performance craft type to replace existing ship type.And catamaran is used as a kind of important ship type,
It is more and more concerned with its unique advantage.Due to catamaran two lamellar bodies between transverse width it is larger, so its ratio
General monohull has bigger molded breadth, and so as to cause full ship length-width ratio less than normal, then the change of transverse strength problem is very prominent.
All in all, catamaran size in the width direction is floated very greatly, and the height for connecting bridge construction is mutually far short of what is expected with lamellar body moldeed depth,
Therefore weak link at the one of twin hull construction has been reformed at connecting bridge.When catamaran meets with oblique wave under sail, two pieces
Location can be different in the middle of wave for body, and connecting bridge will bear moment of torsion effect.
At present for the research of catamaran moment of torsion is concentrated mainly on external load calculation, Finite Element Numerical Simulation or towing basin
Middle development ship model wave load experiment.First two is based substantially on theoretical calculation, and student can not be allowed to carry out intuitively during giving lessons
, there is certain defect for study impression aspect is deepened in observation and actual hands-on；Latter is due to needing to have one
Fixed experimental condition, the towing basin built in current colleges and universities is simultaneously few, and in addition its experimentation cost is than larger, in teaching process
Have some limitations, therefore be not suitable for demonstrating student during giving lessons.Due to above objective factor, exist at present
The discussion of external force of the catamaran under oblique wave state is simply listed in teaching process, lacks economy, intuitively teaching experiment apparatus
Material allows student to take action on one's own operation so as to obtain deep understanding.
The content of the invention
Goal of the invention：In order to overcome the deficiencies in the prior art, the present invention to propose a kind of measurement catamaran moment of torsion
Experimental provision and experimental technique, as the experimental provision in teaching, by the volume of the water in four independent water tank for loading, mould
The bow position for intending a lamellar body is in crest in trough, stern position；The bow of another lamellar body is at crest, stern
In trough, different wave height can be simulated by controlling its relative altitude, and carry out mould with the use of water circulating pump, water speed instrument
Intend corresponding water velocity under different waves, so as to simulate the moment of torsion that catamaran is subject to, make experiment true, easily observation, with saying
Take power.
Technical scheme：To solve above-mentioned technical problem, the experimental provision of the measurement catamaran moment of torsion of the present invention, the catamaran
It is made up of the first hull, the second hull and connecting bridge, connecting bridge is connected respectively with the first hull and the second hull, first ship
Body is located in the first glass-loaded water tank, and the first flexible rubber film is provided with the first glass-loaded water tank by the first glass-loaded
Water tank is divided into the first tank unit and the second tank unit, is respectively equipped with first in the first tank unit and the second tank unit and follows
First circulation pump and second circulation are respectively equipped with ring water pipe and second circulation water pipe, first circulation water pipe and second circulation water pipe
Pump, two ports of first circulation water pipe are diagonal positioned at two of the first tank unit respectively, at two of first circulation water pipe
The first current stabilization glass water tank is equipped with port, two ports of second circulation water pipe are respectively positioned at two of the second tank unit
Diagonally, the second current stabilization glass water tank is equipped with two ports of second circulation water pipe, in the first tank unit and the second water
The first water speed instrument of measurement recirculated water flow velocity is equipped with box unit；The second ship body is located in the second glass-loaded water tank,
The second flexible rubber film is provided with second glass-loaded water tank the second glass-loaded water tank is divided into three-tank unit and
The 3rd circulating water pipe and the 4th circulating water pipe are respectively equipped with four tank units, three-tank unit and the 4th tank unit, the
The 3rd circulating pump and the 4th circulating pump, two ends of the 3rd circulating water pipe are respectively equipped with three circulating water pipes and the 4th circulating water pipe
Mouth is diagonal positioned at two of three-tank unit respectively, and on two ports of the 3rd circulating water pipe the 3rd current stabilization glass is equipped with
Water tank, two ports of the 4th circulating water pipe are diagonal positioned at two of the 4th tank unit respectively, the two of the 4th circulating water pipe
The 4th current stabilization glass water tank is equipped with individual port, in three-tank unit and the 4th tank unit measurement recirculated water is equipped with
Second water speed instrument of flow velocity；Foil gauge foil gauge is installed by leading in the position contacted with connecting bridge in the transverse bulkhead of the first hull
Line is connected with charge amplifier, and charge amplifier is connected successively with multi-channel information Acquisition Instrument and computer.
Preferably, the first water speed instrument is arranged on the first T-shaped rigid rod, the first T-shaped rigid rod is solid by first
Determine sleeve to be arranged on the first glass-loaded water tank.
Preferably, the second water speed instrument is arranged on the second T-shaped rigid rod, the second T-shaped rigid rod is solid by second
Determine sleeve to be arranged on the second glass-loaded water tank.
Preferably, dividing in first tank unit, the second tank unit, three-tank unit and the 4th tank unit
It is not provided with the scale for showing the depth of water.
Preferably, first hull, the second hull respectively by flexible polyurethane foam make, the first hull,
At middle part, shoulder transition on second ship length direction, afterbody transition position build transverse bulkhead respectively.,.
Preferably, have fixed water circulation system in four independent unit water tanks, in addition with the use of water speed instrument,
With the flow velocity of simulation water.
A kind of experimental technique of the experimental provision of above-mentioned measurement catamaran moment of torsion, comprises the following steps：
(1) according to requirement of experiment, by first circulation water pipe, second circulation water pipe, the 3rd circulating water pipe and the 4th recirculated water
Pipe is installed, and equivalent is injected in the first tank unit, the second tank unit, three-tank unit and the 4th tank unit
Water；
(2) first circulation pump, second circulation pump, the 3rd circulating pump, the 4th circulating pump are opened, allow the first tank unit, the
The water circulation flowing of two tank units, three-tank unit and the 4th tank unit, by adjusting first circulation pump, second circulation
Pump, the 3rd circulating pump, the horsepower of the 4th circulating pump obtain the water velocity for needing, while ensureing the measured value phase of water speed instrument
Together, first circulation pump, second circulation pump, the 3rd circulating pump, the horsepower numerical value on the 4th circulating pump are now recorded respectively, close the
One circulating pump, second circulation pump, the 3rd circulating pump, the 4th circulating pump；
(3) catamaran is put into the first glass-loaded water tank and the second glass-loaded water tank, adjustment hull balance, first
Hull is sealed with the first flexible rubber film touching position, and the second hull is carried out with the second flexible rubber film touching position
Sealing, then to water filling in the first tank unit, the second tank unit, three-tank unit and the 4th tank unit, is located at
The first diagonal tank unit is identical with three-tank unit water injection rate, positioned at diagonal the second tank unit and the 4th water tank list
Water injection rate is identical in unit, and the water injection rate of the first tank unit is more than the second tank unit, and reads its numerical value, now opens the
One circulating pump, second circulation pump, the 3rd circulating pump, the 4th circulating pump, are adjusted to horsepower used in step (2), finally observe
Experimental phenomena, and carry out arrangement experimental data.
Carry out a kind of experimental provision of measurement catamaran moment of torsion main by following three aspects advantage in teaching：
(1) moment of torsion that binary ship is subject to is much larger compared with total vertical moment of flexure, is that twin hull construction strength problem is mainly examined
Worry aspect.It is generally based on the explanation of theory in teaching at present and lacks practical operation, so that classmates is recognized not it
It is enough.This experimental provision demonstrates harm of the moment of torsion to catamaran, so as to cause attention of the student to catamaran moment of torsion.
(2) design of this experimental provision can allow student to have one intuitively to recognize the torsional strength of catamaran, in tool
There is the knowledge in terms of grasping on the basis of visual understanding about catamaran moment of torsion.
(3) this experimental provision can directly read ship produce moment of torsion when torque.This experimental provision ship model according to
On the premise of similarity theory design and fabrication, the experimental data of this experiment can map to actual ship, for assessing actual ship
The torsional strength of oceangoing ship.
According to existing research, when catamaran is navigated by water in wave, when wave to for 45 ° or 135 ° when, two hulls are in ripple
Location can be different in the middle of unrestrained, and connecting bridge will bear moment of torsion effect.It is assumed that now the forward of a lamellar body is in ripple
Peak position, and its afterbody is then in wave trough position；Just in contrast, its forward is in wave trough position to another lamellar body, and
Stern is in crest location, as shown in the figure.In this case, due to the gravity of hull, lamellar body buoyancy, hydrodynamic pressure inequality
Even distribution, the lamellar body of left and right two will necessarily produce relative pitching, and in pitching the moment of balance is reached, and connecting bridge can produce huge
Big moment of torsion.
Ship model in experiment is made by flexible polyurethane foam, so can ensure that research ship mould has certain firm
Degree makes it that poised state is kept when moment of torsion is not produced, and can deform when by moment of torsion, remains to return to after moment of torsion disappears
Original state.Ship model in manufacturing process, respectively at middle part, shoulder transition, afterbody transition position build transverse bulkhead.
The rigid material such as circulating water pipe makes；Water tank glass to make be used for including two big water tank for loading and divides
Each lamellar body is not held, the middle part of water tank for loading forms a V-shaped through certain processing, to facilitate circulating line to wear
Cross.Transition of eight small-sized current stabilization water tanks as thin circulating line, it is therefore intended that be dispersed into the swift running water in circulating line surely
Fixed, uniform flowing water at a slow speed, it is to avoid the local assault and attraction to ship model.
Water tank for loading is placed on level ground, respectively each water tank for loading two are divided into flexible rubber film
Relatively independent small-sized water tank for loading, by this step operation can by two big glass-loaded water tanks be divided into four it is independent little
Type water tank for loading.In each small-sized glass-loaded water tank, two current stabilization water tanks are placed, fix its paired linea angulata during placement.
Then, pipeline is each passed through water tank for loading and current stabilization water tank, and interface carries out gluing with glass cement.Now, each small-sized loading
It is connected with water circulating pump by pipeline between glass water tank and two current stabilization water tanks, so as to form the water circulation system of a closure
System.So as to whole experimental provision can form the water circulation system of four closures.
Foil gauge in experiment is placed on transverse bulkhead and connecting bridge contact position.When ship model is subject to moment of torsion, foil gauge will be produced
Electric signal, is amplified signal by charge amplifier, and survey is drawn to analyze eventually through multi-channel signal acquiring instrument and computer
The moment of torsion for going out, water speed instrument can read mark in the speed of now current, water tank scale to directly read water in each water tank
It is deep.
Beneficial effect：Compared with prior art, the present invention has advantages below：
(1) this experimental provision is a kind of device of measurement catamaran moment of torsion, as the experimental provision in teaching, by four
The volume of the water in independent water tank for loading, the bow position for simulating a lamellar body is in crest in trough, stern position；Separately
The bow of one lamellar body is in trough in crest, stern, can simulate different wave height by controlling its relative altitude, from
And the moment of torsion that catamaran is subject to is simulated, make experiment true, easily observation, with convincingness.
(2) existing numerical computation method and software about moment of torsion is based only on theory, understands that comparison of getting up is abstract, and
This experimental provision can make student understand catamaran and produce the general principle that the basic cause and moment of torsion of moment of torsion are formed, in an experiment
Ship model produces moment of torsion, and student can be made to have a visual understanding to the torsion problem of catamaran and understand.
(3) ship model be by made by special material, when ship model be subject to external force act on after can occur it is certain deform, it is such
Visual effect, allows student's is with deep impression in teaching process.
(4) this experimental model has taken into full account the flowing pressure that hull is subject to, and adjusts horsepower and the cooperation of water circulating pump
The measured value of water speed instrument to simulate different waves under corresponding water velocity.
(5) measuring instrument of ship model measures the moment of torsion that ship model is subject to, and so can be used to illustrate that ship model is because being turned round
The deformation that square is acted on and produced.
(6) on the premise of the ship model of this experimental provision is according to similarity theory design and fabrication, the experiment number of this experiment
According to actual ship can be mapped to, for assessing the torsional strength of actual binary ship.
Description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the E-E cross-sectional schematics of Fig. 1.
Fig. 3 is the F-F cross-sectional schematics of Fig. 1.
Specific embodiment
The present invention is further described below in conjunction with the accompanying drawings.
As shown in Figure 1 to Figure 3, the experimental provision of measurement catamaran moment of torsion of the invention, the catamaran by the first hull 8,
Second hull and connecting bridge 11 are constituted, and connecting bridge 11 is connected respectively with the first hull 8 and the second hull, first hull 8
In the first glass-loaded water tank 7, the first flexible rubber film 2 is provided with by the first glass-loaded in the first glass-loaded water tank 7
7 points of first tank units 15 and the second tank unit 16, the first tank unit 15 and the second tank unit for rectangular column of water tank
First circulation water pipe 1 and second circulation water pipe are respectively equipped with 16, are respectively equipped with first circulation water pipe 1 and second circulation water pipe
First circulation pump 9 and second circulation pump, two ports of first circulation water pipe 1 are right positioned at two of the first tank unit 15 respectively
Angle, is equipped with the first current stabilization glass water tank, two ports point of second circulation water pipe on two ports of first circulation water pipe 1
Not Wei Yu two of the second tank unit 16 it is diagonal, be equipped with the second current stabilization bath of glass on two ports of second circulation water pipe
Case 5, is equipped with the first water speed instrument 6 of measurement recirculated water flow velocity in the first tank unit 15 and the second tank unit 16；It is described
Second ship body is located in the second glass-loaded water tank, the second flexible rubber film is provided with the second glass-loaded water tank and is added second
Carry glass water tank and be divided into the tank unit 18 of three-tank unit 17 and the 4th, in the tank unit 18 of three-tank unit 17 and the 4th
The 3rd circulating water pipe and the 4th circulating water pipe are respectively equipped with, the 3rd are respectively equipped with the 3rd circulating water pipe and the 4th circulating water pipe and are followed
Ring pump and the 4th circulating pump, two ports of the 3rd circulating water pipe are diagonal positioned at two of three-tank unit 17 respectively, the
It is equipped with the 3rd current stabilization glass water tank on two ports of three circulating water pipes, two ports of the 4th circulating water pipe are located at respectively the
Two of four tank units 18 diagonal, and on two ports of the 4th circulating water pipe the 4th current stabilization glass water tank is equipped with, the
The second water speed instrument of measurement recirculated water flow velocity is equipped with the tank unit 18 of three-tank unit 17 and the 4th；The first hull 8,
Foil gauge 10 is separately installed with the position that two hulls are connected respectively with connecting bridge 11, foil gauge 10 is amplified by wire with electric charge
Device 12 connects, and charge amplifier 12 is connected successively with multi-channel information Acquisition Instrument 13 and computer 14.
In the present invention, the first water speed instrument 6 is arranged on the first T-shaped rigid rod 3, and the first T-shaped rigid rod 3 is by the
One fixes sleeve 4 is arranged on the first glass-loaded water tank 7.The second water speed instrument is arranged on the second T-shaped rigid rod, and second
T-shaped rigid rod is arranged on the second glass-loaded water tank by the second fixes sleeve.
In the present invention, first tank unit 15, the second tank unit 16, the water tank of three-tank unit 17 and the 4th
The scale for showing the depth of water is respectively equipped with unit 18.First hull 8, the second hull are respectively by flexible polyurethane foam system
Make, at the middle part, shoulder transition on the first hull 8, the second ship length direction, afterbody transition position build horizontal cabin respectively
Wall.
A kind of experimental technique of the experimental provision of above-mentioned measurement catamaran moment of torsion, comprises the following steps：
(1) according to requirement of experiment, by first circulation water pipe 1, second circulation water pipe, the 3rd circulating water pipe and the 4th recirculated water
Pipe is installed, and is noted in the first tank unit 15, the second tank unit 16, the tank unit 18 of three-tank unit 17 and the 4th
Enter the water of equivalent；
(2) open first circulation pump 9, second circulation pump, the 3rd circulating pump, the 4th circulating pump, allow the first tank unit 15,
Second tank unit 16, the flowing of the water circulation of the tank unit 18 of three-tank unit 17 and the 4th, by adjusting first circulation pump
9th, second circulation pump, the 3rd circulating pump, the horsepower of the 4th circulating pump obtain the water velocity for needing, while ensureing the survey of water speed instrument
Numerical quantity is identical, and the horsepower number on first circulation pump 9, second circulation pump, the 3rd circulating pump, the 4th circulating pump is now recorded respectively
Value, closes first circulation pump 9, second circulation pump, the 3rd circulating pump, the 4th circulating pump；
(3) catamaran is put into the first glass-loaded water tank 7 and the second glass-loaded water tank, adjusts hull balance, the
One hull 8 is sealed with the touching position of the first flexible rubber film 2, the second hull and the second flexible rubber film touching position
Sealed, then to the first tank unit 15, the second tank unit 16, the tank unit 18 of three-tank unit 17 and the 4th
Middle water filling, it is identical with the water injection rate of three-tank unit 17 positioned at the first diagonal tank unit 15, positioned at the second diagonal water tank
Unit 16 is identical with water injection rate in the 4th tank unit 18, and the water injection rate of the first tank unit 15 is more than the second tank unit
16, and its numerical value is read, first circulation pump 9, second circulation pump, the 3rd circulating pump, the 4th circulating pump are now opened, it is adjusted to step
Suddenly horsepower used in (2), last observation experiment phenomenon, and carry out arrangement experimental data.
The above is only the preferred embodiment of the present invention, it should be pointed out that：For the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (6)
1. a kind of experimental provision of measurement catamaran moment of torsion, the catamaran is made up of the first hull, the second hull and connecting bridge, even
Connect bridge to be connected respectively with the first hull and the second hull, it is characterised in that：First hull is located at the first glass-loaded water tank
It is interior, be provided with the first glass-loaded water tank the first flexible rubber film by the first glass-loaded water tank be divided into the first tank unit and
First circulation water pipe and second circulation water pipe are respectively equipped with second tank unit, the first tank unit and the second tank unit,
It is respectively equipped with first circulation pump and second circulation pump on first circulation water pipe and second circulation water pipe, two of first circulation water pipe
Port is diagonal positioned at two of the first tank unit respectively, and on two ports of first circulation water pipe the first current stabilization glass is equipped with
Glass water tank, two ports of second circulation water pipe are diagonal positioned at two of the second tank unit respectively, in second circulation water pipe
The second current stabilization glass water tank is equipped with two ports, measurement circulation is equipped with the first tank unit and the second tank unit
First water speed instrument of water flow velocity；The second ship body is located in the second glass-loaded water tank, is provided with the second glass-loaded water tank
Second glass-loaded water tank is divided into three-tank unit and the 4th tank unit, three-tank unit by the second flexible rubber film
With the 3rd circulating water pipe and the 4th circulating water pipe, the 3rd circulating water pipe and the 4th circulating water pipe are respectively equipped with the 4th tank unit
On be respectively equipped with the 3rd circulating pump and the 4th circulating pump, two ports of the 3rd circulating water pipe are respectively positioned at three-tank unit
Two diagonal, is equipped with the 3rd current stabilization glass water tank on two ports of the 3rd circulating water pipe, two of the 4th circulating water pipe
Port is diagonal positioned at two of the 4th tank unit respectively, and on two ports of the 4th circulating water pipe the 4th current stabilization glass is equipped with
Glass water tank, is equipped with the second water speed instrument of measurement recirculated water flow velocity in three-tank unit and the 4th tank unit；First
Foil gauge is installed in the position that the transverse bulkhead of hull contacts with connecting bridge, and foil gauge is connected by wire with charge amplifier, electricity
Lotus amplifier is connected successively with multi-channel information Acquisition Instrument and computer.
2. it is according to claim 1 measurement catamaran moment of torsion experimental provision, it is characterised in that：The first water speed instrument peace
It is mounted on the first T-shaped rigid rod, the first T-shaped rigid rod is arranged on the first glass-loaded water tank by the first fixes sleeve.
3. it is according to claim 1 measurement catamaran moment of torsion experimental provision, it is characterised in that：The second water speed instrument peace
It is mounted on the second T-shaped rigid rod, the second T-shaped rigid rod is arranged on the second glass-loaded water tank by the second fixes sleeve.
4. it is according to claim 1 measurement catamaran moment of torsion experimental provision, it is characterised in that：The first water tank list
The scale for showing the depth of water is respectively equipped with unit, the second tank unit, three-tank unit and the 4th tank unit.
5. it is according to claim 1 measurement catamaran moment of torsion experimental provision, it is characterised in that：First hull,
Two hulls are made respectively by flexible polyurethane foam, middle part, the shoulder on the first hull, the second ship length direction
Transition position, afterbody transition position build transverse bulkhead.
6. it is a kind of as described in any one of claim 1 to 5 measurement catamaran moment of torsion experimental provision experimental technique, its feature
It is to comprise the following steps：
(1) according to requirement of experiment, by first circulation water pipe, second circulation water pipe, the 3rd circulating water pipe and the 4th circulating water pipe peace
Install complete, the water of injection equivalent in the first tank unit, the second tank unit, three-tank unit and the 4th tank unit；
(2) first circulation pump, second circulation pump, the 3rd circulating pump, the 4th circulating pump are opened, allows the first tank unit, the second water
Box unit, three-tank unit and the 4th tank unit water circulation flowing, by adjust first circulation pump, second circulation pump,
3rd circulating pump, the horsepower of the 4th circulating pump obtain the water velocity for needing, while ensure that the measured value of water speed instrument is identical, this
When record horsepower numerical value on first circulation pump, second circulation pump, the 3rd circulating pump, the 4th circulating pump respectively, close first and follow
Ring pump, second circulation pump, the 3rd circulating pump, the 4th circulating pump；
(3) catamaran is put into the first glass-loaded water tank and the second glass-loaded water tank, adjusts hull balance, the first hull
Sealed with the first flexible rubber film touching position, the second hull carries out close with the second flexible rubber film touching position
Envelope, then to water filling in the first tank unit, the second tank unit, three-tank unit and the 4th tank unit, positioned at right
First tank unit at angle is identical with three-tank unit water injection rate, positioned at diagonal the second tank unit and the 4th tank unit
Middle water injection rate is identical, and the water injection rate of the first tank unit is more than the second tank unit, and reads its numerical value, now opens first
Circulating pump, second circulation pump, the 3rd circulating pump, the 4th circulating pump, are adjusted to horsepower used in step (2), finally observe real
Phenomenon is tested, and carries out arrangement experimental data.
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| CN201610915412.7A CN106644376B (en) | 2016-10-20 | 2016-10-20 | A kind of experimental provision and experimental method for measuring catamaran moment of torsion |
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| CN201610915412.7A CN106644376B (en) | 2016-10-20 | 2016-10-20 | A kind of experimental provision and experimental method for measuring catamaran moment of torsion |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109036070A (en) * | 2018-08-08 | 2018-12-18 | 江苏科技大学 | Catamaran crankling vibration experimental provision and analogy method in wave navigation |
| CN109655229A (en) * | 2018-05-11 | 2019-04-19 | 中国船舶工业集团公司第七0八研究所 | A kind of design of small-waterplane-area catamaran hull seaway load test model and test method |
| CN110844020A (en) * | 2019-10-15 | 2020-02-28 | 中国特种飞行器研究所 | Ship connecting bridge force measurement model and force measurement and processing method thereof |
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| CN109655229A (en) * | 2018-05-11 | 2019-04-19 | 中国船舶工业集团公司第七0八研究所 | A kind of design of small-waterplane-area catamaran hull seaway load test model and test method |
| CN109036070A (en) * | 2018-08-08 | 2018-12-18 | 江苏科技大学 | Catamaran crankling vibration experimental provision and analogy method in wave navigation |
| CN110844020A (en) * | 2019-10-15 | 2020-02-28 | 中国特种飞行器研究所 | Ship connecting bridge force measurement model and force measurement and processing method thereof |
| CN110844020B (en) * | 2019-10-15 | 2022-05-27 | 中国特种飞行器研究所 | Ship connecting bridge force measurement model and force measurement and processing method thereof |
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