CN104406753B - The dynamic response test device of deep-sea slender standpipe under vertical forced oscillation - Google Patents
The dynamic response test device of deep-sea slender standpipe under vertical forced oscillation Download PDFInfo
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- CN104406753B CN104406753B CN201410692140.XA CN201410692140A CN104406753B CN 104406753 B CN104406753 B CN 104406753B CN 201410692140 A CN201410692140 A CN 201410692140A CN 104406753 B CN104406753 B CN 104406753B
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Abstract
The invention discloses a kind of dynamic response test device of the deep-sea slender standpipe under vertical forced oscillation, the present invention can realize vortex-induced vibration test of the standpipe under vertical forced oscillation effect；The large-scale crucial safety coefficient installed of lifting bottom increase of ocean engineering swimmer's pool can be made full use of；The real Reynolds number vortex-induced vibration of the Simulation of depth large-size pipe of ocean engineering swimmer's pool can be made full use of；The width of ocean engineering swimmer's pool can be made full use of to arrange real-time monitoring equipment on large-size pipe periphery, need to be adjusted the shape of model according to different；Using modularized design, advantage is to be easily installed, and is easy to upgrading and change, and meet different functional requirements.
Description
Technical field
The invention belongs to ocean engineering field, more particularly to a kind of the dynamic of the deep-sea slender standpipe under vertical forced oscillation
Force-responsive test device.
Background technology
In the presence of stormy waves stream, marine floating type works will drive catenary riser to make periodic reverse fortune in water
Dynamic, so as to produce Relative Oscillation in the standpipe direction of motion to flow, " interval is occurred for excitation standpipe pendency section by this vibration to flow
The vortex-induced vibration of property ".In recent years, start largely to use catenary riser with the exploitation of deep-sea oil system, in engineering.It is deep
Standpipe in water environment can be considered elongated flexible structure, and now small deformation is theoretical is no longer applicable, and this causes the vortex-induced vibration of standpipe
Problem is more protruded, therefore is for the analysis of the overall vortex-induced vibration response characteristic under the effect of slender flexible standpipe top platform
Can it be applied to the key point of engineering practice.
In the past forecast slender marine structures vortex-induced vibration harm most common method be numerical computations SHEAR7,
VIVA, VIVANA, this method that load and response are predicted by theoretical formula still have very big uncertainty so far.Mesh
Before untill, be exactly model test method to one of most important method of research of flexible pipe vortex-induced vibration phenomenon.In model test
It was observed that phenomenon closer to nature truth.By the retrieval to prior art, riser model experiment typically exists
Pull in ocean engineering swimmer's pool and carry out, what is had is carried out in annular water tank, what is had carries out vortex-induced vibration with towboat dragging standpipe
Test.It is published in paper " the Experiments with a during " Applied Ocean Research (2013) " 43 is printed
(the slender flexible standpipe model in towing basin is real by steel catenary riser model in a towing tank "
Test), the steady flow condition around standpipe is simulated by running the compartment being connected with standpipe in towing basin, is pacified on standpipe
Fill the state that miniature acceleration measuring instrument monitors standpipe.Analyze such a measuring technology, find its not foot point be：1st, in view of dragging
The depth in pond is draged, the vortex-induced vibration of small yardstick pipe fitting can only be typically simulated, it is difficult to swashed in the whirlpool effectively carried out under real Reynolds number
Vibration-testing 2, the monitoring device under water being not easy to around arrangement standpipe, can not be adjusted when carrying out the test of sloping wave type riser model
The shape 3 of standpipe, the forced oscillation experiment 4 that can not be carried out under certain flow rate, standpipe process more complicated 5, no is installed in an experiment
The motion of ocean platform can effectively be simulated.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of power of the deep-sea slender standpipe under vertical forced oscillation sound
Answer test device, it is intended to analyze the overall vortex-induced vibration response characteristic under the effect of slender flexible standpipe top platform.
In order to solve the above technical problems, embodiments of the invention provide the deep-sea slender standpipe under a kind of vertical forced oscillation
Dynamic response test device, including deep sea vertical pipe module, top boundary module, bottom boundary module, the vertical sliding die in top
Block, top slide module, bottom stuck-module measures analysis and Control module, and the top boundary module passes through screw and deep-sea
Standpipe module is connected, and the top boundary module is fixed on the vertical sliding block in top, and the bottom boundary module passes through
Screw I is connected with deep sea vertical pipe module, and bottom fixed board, the bottom fixed board top are welded with the bottom stuck-module
One end in the vertical sliding block in portion is arranged in top slide module, and the bottom of bottom stuck-module is connected to bottom boundary mould
On block, on trailer place measurement analysis and Control module, the deep sea vertical pipe module include deep sea vertical pipe model, fibre optical sensor,
The fibre optical sensor is arranged on deep sea vertical pipe model, and the top of the deep sea vertical pipe model is connected with top boundary module
Connect, the bottom of the deep sea vertical pipe model is connected with bottom boundary module, the top boundary module is included outside top clamp
Edge, screw, top clamp bottom plate, the first backing plate, the first universal joint fixed plate, the first universal joint tumbler, the second universal joint
Fixed plate, the one or three component instrument fixed plate, the one or three component instrument, the first adjustment component, the first voussoir, the top clamp outer rim
Be connected by screw with deep sea vertical pipe model, both in the same plane, the top clamp bottom plate and top clamp outer rim
Affixed, the top clamp bottom plate is connected with the first backing plate with screw, the first universal joint fixed plate and the first backing plate and
First universal joint tumbler is connected, the first universal joint tumbler and the first universal joint fixed plate and the second universal joint
Fixed plate is affixed, the second universal joint fixed plate and the connection of three component instrument fixed plate sides, the three component instrument fixed plate
Opposite side and the connection of three component instrument, the end of the three component instrument are connected with the first adjustment component, the first adjustment component
Opposite side be fixed on the first voussoir, the bottom boundary module include bottom jig outer rim, screw I, bottom jig bottom plate,
Second backing plate, the 3rd universal joint fixed plate, the second universal joint tumbler, the 4th universal joint fixed plate, the two or three component instrument is consolidated
Fixed board, the two or three component instrument, bottom fixed board, the bottom jig outer rim is connected by screw I with deep sea vertical pipe model, and two
In the same plane, the bottom jig bottom plate and bottom jig outer rim are affixed by person, the bottom jig bottom plate and the second backing plate
Affixed, the 3rd universal joint fixed plate is connected with the second backing plate and the second universal joint tumbler, second universal joint
Tumbler and the 3rd universal joint fixed plate and the 4th universal joint fixed plate are affixed, the 4th universal joint fixed plate and the two or three
Component instrument fixed plate side is connected, the opposite side of the three component instrument fixed plate and the connection of three component instrument, the three component instrument
End is connected with bottom fixed board, and the bottom stuck-module includes the first Power Component, first flange device, the first connection
Block, the first guide chain, top trapped orbit, the first support frame, first Power Component is consolidated by first flange device and top
Orbit determination road is connected, and the rotary shaft of first Power Component is connected on the first contiguous block by the first guide chain, and described first
Contiguous block is fixed on the trapped orbit of top, and is connected with the vertical sliding motion track on the vertical sliding block in top, described
First support frame is fixed in measurement analysis and Control module, interlocks it, and described bottom stuck-module includes small false bottom
Panel, panel mends plate, and panel contiguous block, the second Power Component, second flange device, the second contiguous block, the second guide chain, bottom is solid
Orbit determination road, the second support frame, the bottom of the small false bottom panel is connected on the bottom fixed board in bottom boundary module, described
Panel contiguous block is welded on the underface of small false bottom panel, and is connected with two blocks of panels benefit plates, and panel mends plate weld second
On contiguous block, second Power Component is connected by second flange device with bottom trapped orbit, the second Power Component
Rotary shaft is connected on the second contiguous block by the second guide chain, and second contiguous block is fixed on the trapped orbit of bottom, and second
Support frame is supported on the false bottom in pond, and the vertical sliding block in top includes the 3rd Power Component, the 3rd flange apparatus, rectification
Cover, the vertical sliding rail in top and vertical sliding motion block；First connection of the vertical sliding motion track installation in bottom stuck-module
On block, vertical sliding motion block is slidably fitted with thereon, and both sides are separately installed with radome fairing, described vertical sliding motion block and top boundary
The first voussoir Joint in module, the 3rd Power Component is connected by the 3rd flange apparatus with vertical sliding motion track,
The rotary shaft of 3rd Power Component is connected on vertical sliding motion block by the first guide chain, and vertical sliding motion block is slidably supported on top
On the vertical sliding rail in portion, the vertical sliding rail in top is connected with the first contiguous block on the stuck-module of bottom, and the described 3rd
Power Component is connected by the 3rd flange apparatus with the vertical sliding rail in top.
Preferably, the bottom fixed board is welded on the small false bottom panel of bottom stuck-module.
Preferably, the side of first voussoir is fixed on the vertical sliding motion block in the vertical sliding block in top.
Preferably, described measurement analysis and Control module includes data collection processor, motion controller and display,
The input of the data collection processor and the list in the three component instrument and bottom boundary module in the top boundary module
Component instrument, and fibre optical sensor are connected, and its output end is connected with display；Motion controller is exported including motion control
Window and image display port, motion control output window and the first Power Component of the top slide module, bottom is fixed
Second Power Component of module is connected, and image display port is connected with display.
The above-mentioned technical proposal of the present invention has the beneficial effect that：
1st, the present invention can realize vortex-induced vibration test of the standpipe under vertical forced oscillation effect；
2nd, the present invention can make full use of the large-scale crucial safety coefficient installed of the lifting bottom increase of ocean engineering swimmer's pool；
3rd, the present invention can make full use of the real Reynolds number whirlpool exciting of the Simulation of depth large-size pipe of ocean engineering swimmer's pool
It is dynamic；
4th, the present invention can make full use of the width of ocean engineering swimmer's pool to be monitored in real time in large-size pipe periphery arrangement and set
It is standby, need to be adjusted the shape of model according to different；
5th, the present invention uses modularized design, and advantage is to be easily installed, and is easy to upgrading and change, and meet different work(
It can require.
Brief description of the drawings
Fig. 1 is the structural representation for the experimental provision that the present invention is provided.
Fig. 2 is the top structure figure for the experimental provision that the present invention is provided.
Fig. 3 is the chart at the bottom of for the experimental provision that the present invention is provided.
Fig. 4 is the structural representation for the deep sea vertical pipe module that the present invention is provided.
Fig. 5 is the structural representation for the top boundary module that the present invention is provided.
Fig. 6 is the structural representation for the bottom boundary module that the present invention is provided.
Fig. 7 is the structural representation for the bottom stuck-module that the present invention is provided.
Fig. 8 is the side view for the bottom stuck-module that the present invention is provided.
Fig. 9 is the structural representation for the bottom stuck-module that the present invention is provided.
Figure 10 is the partial schematic diagram for the bottom stuck-module that the present invention is provided.
Figure 11 is the side view for the vertical sliding block in top that the present invention is provided.
Embodiment
To make the technical problem to be solved in the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and tool
Body embodiment is described in detail.
As shown in figs. 1-11, the embodiments of the invention provide a kind of power of the deep-sea slender standpipe under vertical forced oscillation
Response test device, including deep sea vertical pipe module 1, top boundary module 2, bottom boundary module 3, the vertical sliding block 4 in top,
Top slide module 5, bottom stuck-module 6, measurement analysis and Control module 7, the top boundary module 2 is by screw 11 and deeply
Extra large standpipe module 1 is connected, and the top boundary module 2 is fixed on the vertical sliding block 4 in top, the bottom boundary module
3 are connected by screw I 22 with deep sea vertical pipe module 1, and bottom fixed board, the bottom are welded with the bottom stuck-module 6
One end at the top of portion's fixed plate in vertical sliding block 4 is arranged in top slide module 5, and the bottom of bottom stuck-module 6 connects
It is connected in bottom boundary module 3, measurement analysis and Control module 7 is placed on trailer, the deep sea vertical pipe module 1 includes deep sea vertical pipe
Model 9, fibre optical sensor 8, the fibre optical sensor 8 is arranged on deep sea vertical pipe model 9, the top of the deep sea vertical pipe model 9
End is connected with top boundary module 2, and the bottom of the deep sea vertical pipe model 9 is connected with bottom boundary module 3, the top
Boundary module 2 includes top clamp outer rim 10, screw 11, top clamp bottom plate 12, the first backing plate 13, the first universal joint fixed plate
14, the first universal joint tumbler 15, the component instrument of the 16, the 1st component instrument fixed plate of the second universal joint fixed plate the 17, the 1st
18, the first adjustment component 19, the first voussoir 20, the top clamp outer rim 10 is connected by screw 11 with deep sea vertical pipe model 9
Connect, both in the same plane, the top clamp bottom plate 12 and top clamp outer rim 11 are affixed, the top clamp bottom plate 12
It is connected with the first backing plate 13 with screw 11, the first universal joint fixed plate 14 and the first backing plate 13 and the first universal joint are rotated
Device 15 is connected, the first universal joint tumbler 15 and the first universal joint fixed plate 14 and the second universal joint fixed plate 16
It is affixed, the second universal joint fixed plate 16 and three component instrument fixed plate 17 the side connection, the three component instrument fixed plate 17
Opposite side and three component instrument 18 are connected, and the end of the three component instrument 18 is connected with the first adjustment component 19, and described first adjusts
The opposite side of whole group part 19 is fixed on the first voussoir 20, and the bottom boundary module 3 includes bottom jig outer rim 21, screw I
22, bottom jig bottom plate 23, the second backing plate 24, the 3rd universal joint fixed plate 25, the second universal joint tumbler 26, the 4th is universal
Save the component instrument 29 of the 27, the 2nd 3 component instrument fixed plate of fixed plate the 28, the 2nd 3, bottom fixed board 30, the bottom jig outer rim
21 are connected by screw I 22 with deep sea vertical pipe model 9, both in the same plane, the bottom jig bottom plate 23 and bottom
Fixture outer rim 21 is affixed, and the bottom jig bottom plate 23 and the second backing plate 24 are affixed, the 3rd universal joint fixed plate 25 and
Two backing plates 24 are connected with the second universal joint tumbler 26, and the second universal joint tumbler 26 is fixed with the 3rd universal joint
The universal joint fixed plate 27 of plate 25 and the 4th is affixed, the 4th universal joint fixed plate 27 and the side of the two or three component instrument fixed plate 28
Connection, the opposite side and three component instrument 29 of the three component instrument fixed plate 28 are connected, the end and bottom of the three component instrument 29
Fixed plate 30 is connected, and the bottom stuck-module 5 includes the first Power Component 34, first flange device 35, the first contiguous block
36, the first guide chain 37, top trapped orbit 38, the first support frame 39, first Power Component 34 passes through first flange device
35 are connected with top trapped orbit 38, and the rotary shaft of first Power Component 34 is connected to the first company by the first guide chain 37
Connect on block 36, first contiguous block 36 be fixed in top trapped orbit 38 on, and with the vertical sliding block in top 4 hang down
Straight sliding rail 32 is connected, and first support frame 39 is fixed in measurement analysis and Control module 7, interlocks it, institute
The bottom stuck-module 6 stated includes small false bottom panel 40, and panel mends plate 41, panel contiguous block 42, the second Power Component 43, second
Flange apparatus 44, the second contiguous block 45, the second guide chain 46, bottom trapped orbit 47, the second support frame 48, the small false bottom panel
40 bottom is connected on the bottom fixed board 30 in bottom boundary module 3, and the panel contiguous block 42 is welded on small false bottom surface
The underface of plate 40, and be connected with two blocks of panels benefit plates 41, panel is mended plate 1 and is welded on the second contiguous block 45, and described second
Power Component 43 is connected by second flange device 44 with bottom trapped orbit 47, and the rotary shaft of the second Power Component 43 passes through
Second guide chain 46 is connected on the second contiguous block 45, and second contiguous block 45 is fixed on bottom trapped orbit 47, second
Support is supported on the false bottom in pond, and the vertical sliding block 4 in top includes the 3rd Power Component 49, the 3rd flange apparatus 50,
Radome fairing 31, the vertical sliding rail 32 in top and vertical sliding motion block 33；The vertical sliding motion track 32 is arranged on bottom stent
On first contiguous block 36 of block 5, vertical sliding motion block 33 is slidably fitted with thereon, both sides are separately installed with radome fairing 31, described
Vertical sliding motion block 33 passes through the 3rd method with the Joint of the first voussoir 20 in top boundary module 2, the 3rd Power Component 49
Blue device 50 is connected with vertical sliding motion track 32, and the rotary shaft of the 3rd Power Component 49 is connected to by the first guide chain 37
On vertical sliding motion block 33, vertical sliding motion block 33 is slidably supported on the vertical sliding rail 32 in top, the vertical sliding rail 32 in top
Be connected with the first contiguous block 36 on bottom stuck-module 5, the 3rd Power Component 49 by the 3rd flange apparatus 50 with
The vertical sliding rail 32 in top is connected.
The bottom fixed board 30 is welded on the small false bottom panel 40 of bottom stuck-module 6.
The side of first voussoir 20 is fixed on the vertical sliding motion block 33 in the vertical sliding block 4 in top.
Described measurement analysis and Control module 7 includes data collection processor, motion controller and display, the data
The input of Acquisition Processor and single component instrument in the three component instrument and bottom boundary module in the top boundary module, with
And fibre optical sensor is connected, its output end is connected with display；Motion controller includes motion control output window and figure
As display port, motion control output window and the first Power Component of the top slide module, the of bottom stuck-module
Two Power Components are connected, and image display port is connected with display.
This specific implementation operation principle：Fibre optical sensor four-way is evenly arranged in deep sea vertical pipe module during experiment, and
The heat-shrink tube (can add buoyant mass if necessary) on set on standpipe, the two ends of standpipe are connected to top boundary module and bottom
In boundary module, they respectively with the vertical sliding block in top, top slide module is connected with bottom stuck-module, tests
When, by the lifting and the movement of trailer at false bottom so that riser model reaches the position specified, the form specified is presented, passes through
Measure the computer controlled motor in analysis module so that standpipe does forced movement in vertical direction, and the motion of standpipe is by taking the photograph at a high speed
Camera is recorded, and is strained by fiber sensor measuring, and data are transmitted into computer post-processed.
Described above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, on the premise of principle of the present invention is not departed from, some improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (4)
1. the dynamic response test device of the deep-sea slender standpipe under vertical forced oscillation, it is characterised in that including deep sea vertical pipe
Module, top boundary module, bottom boundary module, the vertical sliding block in top, top slide module, bottom stuck-module is surveyed
Analysis and Control module is measured, the top boundary module is connected by screw with deep sea vertical pipe module, the top boundary module
It is fixed on the vertical sliding block in top, the bottom boundary module is connected by screw I with deep sea vertical pipe module, the bottom
The one end being welded with portion's stuck-module in bottom fixed board, the vertical sliding block in top is arranged on top slide module
On, the bottom of bottom stuck-module is connected in bottom boundary module, and measurement analysis and Control module, the deep-sea are placed on trailer
Standpipe module includes deep sea vertical pipe model, and fibre optical sensor, the fibre optical sensor is arranged on deep sea vertical pipe model, the depth
The top of extra large riser model is connected with top boundary module, and the bottom of the deep sea vertical pipe model is connected with bottom boundary module
Connect；
The top boundary module includes top clamp outer rim, and screw, top clamp bottom plate, the first backing plate, the first universal joint is consolidated
Fixed board, the first universal joint tumbler, the second universal joint fixed plate, the one or three component instrument fixed plate, the one or three component instrument, first
Component is adjusted, the first voussoir, the top clamp outer rim is connected by screw with deep sea vertical pipe model, and both are in same plane
Interior, the top clamp bottom plate and top clamp outer rim are affixed, and the top clamp bottom plate is connected with the first backing plate with screw,
The first universal joint fixed plate is connected with the first backing plate and the first universal joint tumbler, and first universal joint rotates dress
Put affixed with the first universal joint fixed plate and the second universal joint fixed plate, the second universal joint fixed plate and the one or three component instrument
Fixed plate side is connected, the opposite side of the one or the three component instrument fixed plate and the connection of the one or three component instrument, described one or three point
The end of power instrument is connected with the first adjustment component, and the opposite side of the first adjustment component is fixed on the first voussoir；
The bottom boundary module includes bottom jig outer rim, and screw I, bottom jig bottom plate, the second backing plate, the 3rd universal joint is consolidated
Fixed board, the second universal joint tumbler, the 4th universal joint fixed plate, the two or three component instrument fixed plate, the two or three component instrument, bottom
Fixed plate, the bottom jig outer rim is connected by screw I with deep sea vertical pipe model, both in the same plane, the bottom
Portion's clamp bottom board and bottom jig outer rim are affixed, and the bottom jig bottom plate and the second backing plate are affixed, and the 3rd universal joint is consolidated
Fixed board is connected with the second backing plate and the second universal joint tumbler, and the second universal joint tumbler and the 3rd universal joint are consolidated
Fixed board and the 4th universal joint fixed plate are affixed, the 4th universal joint fixed plate and the connection of the two or three component instrument fixed plate side,
The opposite side of two or the three component instrument fixed plate and the connection of the two or three component instrument, the end and bottom of the two or the three component instrument
Fixed plate is connected；
The bottom stuck-module includes the first Power Component, and first flange device, the first contiguous block, the first guide chain, top is solid
Orbit determination road, the first support frame, first Power Component is connected by first flange device with top trapped orbit, and described
The rotary shaft of one Power Component is connected on the first contiguous block by the first guide chain, and it is fixed that first contiguous block is fixed in top
On track, and it is connected with the vertical sliding motion track on the vertical sliding block in top, first support frame is fixed in measurement
In analysis and Control module, interlock it, described bottom stuck-module includes small false bottom panel, panel mends plate, and panel connects
Meet block, the second Power Component, second flange device, the second contiguous block, the second guide chain, bottom trapped orbit, the second support frame, institute
The bottom for stating small false bottom panel is connected on the bottom fixed board in bottom boundary module, and the panel contiguous block is welded on small vacation
The underface of bottom panel, and be connected with two blocks of panels benefit plates, panel mends plate weld on the second contiguous block, second power
Component is connected by second flange device with bottom trapped orbit, and the rotary shaft of the second Power Component is connected by the second guide chain
To the second contiguous block, second contiguous block is fixed on the trapped orbit of bottom, and the second support frame is supported on the false bottom in pond,
The vertical sliding block in top includes the 3rd Power Component, and the 3rd flange apparatus, radome fairing, vertical sliding rail is slided with vertical
Motion block；The vertical sliding motion track installation is slidably fitted with vertical sliding motion thereon on the first contiguous block of bottom stuck-module
Block, both sides are separately installed with radome fairing, described vertical sliding motion block and the first voussoir Joint in top boundary module, described
3rd Power Component is connected by the 3rd flange apparatus with vertical sliding motion track, and the rotary shaft of the 3rd Power Component passes through
First guide chain is connected on vertical sliding motion block, and vertical sliding motion block is slidably supported on vertical sliding rail, vertical sliding rail with
The first contiguous block on the stuck-module of bottom is connected, and the 3rd Power Component passes through the 3rd flange apparatus and vertical slip rail
Road is connected.
2. the dynamic response test device of the deep-sea slender standpipe under vertical forced oscillation according to claim 1, it is special
Levy and be, the bottom fixed board is welded on the small false bottom panel of bottom stuck-module.
3. the dynamic response test device of the deep-sea slender standpipe under vertical forced oscillation according to claim 1, it is special
Levy and be, the side of first voussoir is fixed on the vertical sliding motion block in the vertical sliding block in top.
4. the dynamic response test device of the deep-sea slender standpipe under vertical forced oscillation according to claim 1, it is special
Levy and be, described measurement analysis and Control module includes data collection processor, motion controller and display, and the data are adopted
The input of set processor and single component instrument in the one or the three component instrument and bottom boundary module in the top boundary module,
And fibre optical sensor is connected, its output end is connected with display；Motion controller include motion control output window and
Image display port, motion control output window and the first Power Component of the top slide module, bottom stuck-module
Second Power Component is connected, and described image display port is connected with the display.
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| CN105181281B (en) * | 2015-07-09 | 2017-11-28 | 天津大学 | The single standpipe vortex vibration testing device of inclination angle uniform incoming flow condition deep-sea tension type |
| CN105203279B (en) * | 2015-09-18 | 2017-12-15 | 天津大学 | Vertical uniform incoming marine riser vortex swashs ginseng and swashs coupled vibrations experimental rig |
| CN105300635B (en) * | 2015-09-18 | 2017-12-15 | 天津大学 | Vertical riser incoming marine riser vortex swashs ginseng and swashs coupled vibrations experimental rig |
| CN105222969B (en) * | 2015-09-18 | 2017-11-28 | 天津大学 | Inclination angle ladder incoming marine riser vortex swashs ginseng and swashs coupled vibrations experimental rig |
| CN109883632B (en) * | 2019-02-02 | 2021-03-23 | 中国石油大学(北京) | Motion simulation device and calibration device |
| CN110031167A (en) * | 2019-04-04 | 2019-07-19 | 上海交通大学 | Simulate two-tube interference dynamic response experimental provision under vertical forced oscillation state |
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| WO1999005389A1 (en) * | 1997-07-23 | 1999-02-04 | Cuming Corporation | A floating system for a marine riser |
| US6148751A (en) * | 1998-12-16 | 2000-11-21 | High Seas Engineering, Llc | Vibration and drag reduction system for fluid-submersed hulls |
| CN102323031B (en) * | 2011-08-12 | 2013-08-28 | 上海交通大学 | Deep-sea pipeline segmented model bidirectional forced vibration experimental device under action of uniform flow |
| CN102359855B (en) * | 2011-08-15 | 2013-06-19 | 上海交通大学 | Forced vibration experiment facility for uniform down-flowing incoming flow of deep sea pipeline sectional model |
| CN102313638A (en) * | 2011-08-15 | 2012-01-11 | 上海交通大学 | Bidirectional forced vibration experimental apparatus for deep sea riser segment model under action of uniform flow |
| CN102323030B (en) * | 2011-08-15 | 2013-09-25 | 上海交通大学 | Deep-sea riser segmented model vertical flow forced vibration experimental device under action of uniform flow |
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