CN104483083B - The deep-sea slender standpipe dynamic response test device of simulated sea bottom pipeclay and shear flow - Google Patents
The deep-sea slender standpipe dynamic response test device of simulated sea bottom pipeclay and shear flow Download PDFInfo
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- CN104483083B CN104483083B CN201410740051.8A CN201410740051A CN104483083B CN 104483083 B CN104483083 B CN 104483083B CN 201410740051 A CN201410740051 A CN 201410740051A CN 104483083 B CN104483083 B CN 104483083B
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Abstract
The invention discloses simulated sea bottom pipeclay and the deep-sea slender standpipe dynamic response test device of shear flow, the present invention can realize vortex-induced vibration test of the standpipe under shear flow effect；Motion conditions after different-stiffness sea bed lower standing tube can be simulated being influenceed by top platform；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；Motion of the standpipe in the case where bottom class shear flow effect is become can be simulated, more real vortex-induced vibration test is carried out.
Description
Technical field
The invention belongs to ocean engineering field, can the effect of simulated sea bottom pipeclay and the common shadow of shear flow more particularly to one kind
The elongated standpipe dynamic response of loud measurement, while monitoring the experimental provision of vortex-induced vibration (VIV).
Background technology
In the presence of stormy waves stream, marine floating type works will drive catenary riser to make periodic reverse fortune in water
It is dynamic, flowed so as to produce Relative Oscillation in the standpipe direction of motion, there is " interval to flow by this vibration in excitation standpipe pendency section
The vortex-induced vibration of property ".Under floating motion and environmental load effect, the interaction of standpipe and sea bed can produce standpipe non-
Often big bending stress, is susceptible to fatigue rupture.In recent years, start with the exploitation of deep-sea oil system, in engineering big
Amount uses catenary riser.Standpipe in deepwater environment can be considered elongated flexible structure, and now small deformation is theoretical is no longer applicable, this
So that the vortex-induced vibration problem of standpipe is more protruded, therefore for the entirety under slender flexible standpipe top platform and sea bed effect
The analysis of vortex-induced vibration response characteristic is the key point that can it be applied to engineering practice.
In the past forecast slender marine structures vortex-induced vibration harm most common method be numerical computations SHEAR7,
VIVA, VIVANA, it is this to predict that load and the method for response still have very big uncertainty so far by theoretical formula.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
Carried out in towing ocean engineering swimmer's pool, 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
Steel catenary riser model in a towing tank " (the slender flexible standpipe model realities in towing basin
Test), the steady flow condition around standpipe is simulated by running the compartment being connected with standpipe in towing basin, pacify on standpipe
Dress miniature acceleration measuring instrument monitors the state of standpipe.Analyze this kind of 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, cannot by the interaction 3 of experimental simulation standpipe and sea bed, be not easy to arrange standpipe around monitoring under water
Equipment, is carrying out that when sloping wave type riser model is tested the shape 4 of standpipe can not be adjusted, can not carry out forcing under certain flow rate and shake
Experiment 5 is swung, standpipe process more complicated 6 is installed in an experiment, the motion of ocean platform can not be effectively simulated.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of simulated sea bottom pipeclay and is moved with the deep-sea slender standpipe of shear flow
Force-responsive test device, it is intended to analyze overall vortex-induced vibration of the slender flexible standpipe in the case where bottom class shear flow effect is become and respond spy
Property.
In order to solve the above technical problems, a kind of simulated sea bottom pipeclay of embodiments of the invention offer is thin with the deep-sea of shear flow
Standpipe dynamic response test device long, including deep sea vertical pipe module, top boundary module, bottom boundary module, stuck-module, top
Portion's sliding block, bottom sand plate module and measurement analysis and Control module, the top boundary module pass through screw and deep sea vertical pipe
Module is connected, and the top boundary module is fixed on stuck-module, and the bottom boundary module passes through screw I and the depth
Extra large standpipe module is connected, and the one end in the stuck-module is arranged in top slide module, the basal sliding module
Bottom is connected in bottom boundary module, and the measurement analysis and Control module is positioned on trailer, the deep sea vertical pipe module bag
Deep sea vertical pipe model and Fibre Optical Sensor are included, the Fibre Optical Sensor is arranged on the deep sea vertical pipe model, the deep-sea is stood
The top of tube model is connected with top boundary module, and the bottom of the deep sea vertical pipe model is connected with bottom boundary module,
Described top boundary module includes that top clamp outer rim, screw, top clamp base plate, the first backing plate, the first universal joint are 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, first are adjusted
Whole group part and the first voussoir, the top clamp outer rim are connected by screw with deep sea vertical pipe model, and both are on the same plane
Interior, the top clamp base plate is affixed with the top clamp outer rim, the top clamp base plate with by screw and described the
One backing plate is connected, and the first universal joint fixed plate is connected with the first backing plate and the first universal joint tumbler, and described first
Universal joint tumbler is affixed with the first universal joint fixed plate and the second universal joint fixed plate, the second universal joint fixed plate
With the connection of the one or three component instrument fixed plate side, the opposite side of the one or the three component instrument fixed plate and the one or three component instrument connect
Connect, the end of the one or the three component instrument is connected with the first adjustment component, the opposite side of the first adjustment component is fixed in
On first voussoir, described bottom boundary module includes bottom jig outer rim, screw I, bottom jig base plate, the second backing plate, the
Three universal joint fixed plates, 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 and bottom fixed board, the bottom jig outer rim are connected by screw I with the deep sea vertical pipe model, and both are same
In one plane, the bottom jig base plate is affixed with the bottom jig outer rim, and the bottom jig base plate and the second backing plate are solid
Connect, the 3rd universal joint fixed plate is connected with the second backing plate and the second universal joint tumbler, second universal joint turns
Dynamic device is affixed with the 3rd universal joint fixed plate and the 4th universal joint fixed plate, the 4th universal joint fixed plate and the two or three point
Power instrument fixed plate side is connected, and the opposite side of the two or the three component instrument fixed plate and the two or three component instrument are connected, and described second
The end of three component instrument is connected with bottom fixed board, and the stuck-module includes radome fairing, and vertical fixing plate is fixed with vertical
Block, described top slide module includes that the first Power Component, first flange device, the first sliding block, the first guide chain, first slide
Track and the first support frame, described vertical fixing plate are arranged on the first sliding block, are slidably fitted with the vertical fixing plate
Vertical fixed block, both sides are separately installed with radome fairing, the vertical fixed block and the first voussoir Joint, first power packages
Part is connected by first flange device with the first sliding rail, and the rotary shaft of first Power Component is connected by the first guide chain
It is connected on the first sliding block, first sliding block is slidably supported on the first sliding rail, and is connected with vertical fixing plate, institute
State the first support frame to be fixed in measurement analysis and Control module, interlock it, described bottom sand plate module includes becoming husky
Plate face plate, panel mend plate, panel contiguous block, the second Power Component, second flange device, the second contiguous block, the second guide chain, bottom
Trapped orbit and the second support frame, the bottom of the change sand plate face plate are connected on bottom fixed board, the panel contiguous block weldering
The underface for becoming husky plate face plate is connected on, and plates is mended with two pieces of panels and be connected, the panel mends plate weld on the second contiguous block,
Second Power Component is connected by second flange device with bottom trapped orbit, the rotary shaft of second Power Component
It is connected on the second contiguous block by the second guide chain, second contiguous block is slidably supported on the trapped orbit of bottom, described
Two support frames are supported on the vacation bottom of pond.
Wherein, the bottom fixed board is welded on the husky plate face plate of change.
Wherein, the fast side of the first wedge is fixed on the vertical fixed block.
Wherein, the measurement analysis and Control module includes data collection processor, motion controller and display, the number
According to single point in the one or the three component instrument and bottom boundary module in input and the top boundary module of Acquisition Processor
Power instrument, and Fibre Optical Sensor is connected, and its output end is connected with display；The motion controller includes that motion control is defeated
Go out window and image display port, the first Power Component of the motion control output window and the top slide module and
Second Power Component of the bottom sand plate module is connected, and described image display port is connected with display
Above-mentioned technical proposal of the invention has the beneficial effect that：
1st, the present invention can realize vortex-induced vibration test of the standpipe under shear flow effect；
2nd, the present invention can simulate the motion conditions after different-stiffness sea bed lower standing tube is influenceed by top platform；
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 set in large-size pipe periphery arrangement monitor in real time
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(
Can require；
6th, the present invention can simulate motion of the standpipe in the case where bottom class shear flow effect is become, and carry out more real whirlpool exciting
Dynamic test.
Brief description of the drawings
Fig. 1 is the structural representation of the experimental provision that the present invention is provided.
Fig. 2 is the top structure figure of the experimental provision that the present invention is provided.
Fig. 3 is the chart at the bottom of of the experimental provision that the present invention is provided.
Fig. 4 is the structural representation of the deep sea vertical pipe module that the present invention is provided.
Fig. 5 is the structural representation of the top boundary module that the present invention is provided.
Fig. 6 is the structural representation of the bottom boundary module that the present invention is provided.
Fig. 7 is the side view of the stuck-module that the present invention is provided.
Fig. 8 is the structural representation of the top slide module that the present invention is provided.
Fig. 9 is the side view of the top slide module that the present invention is provided.
Figure 10 is the structural representation of the bottom sand plate module that the present invention is provided.
Figure 11 is the partial schematic diagram of the bottom sand plate module that the present invention is provided.
Specific 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 embodiment of the invention provides the deep-sea slender standpipe of a kind of simulated sea bottom pipeclay and shear flow
Dynamic response test device, it is characterised in that including deep sea vertical pipe module 1, top boundary module 2, bottom boundary module 3, solid
Cover half block 4, top slide module 5, bottom sand plate module 6 and measurement analysis and Control module 7, the top boundary module 2 passes through
Screw 11 is connected with deep sea vertical pipe module 1, and the top boundary module 2 is fixed on stuck-module 4, the bottom boundary mould
Block 3 is connected by screw I 22 with the deep sea vertical pipe module 1, and the one end in the stuck-module 4 is arranged on top slide mould
On block 5, the bottom of the basal sliding module 6 is connected in bottom boundary module 3, and the measurement analysis and Control module 7 is placed
In on trailer, the deep sea vertical pipe module 1 includes deep sea vertical pipe model 9 and Fibre Optical Sensor 8, and the Fibre Optical Sensor 8 is set
On the deep sea vertical pipe model 9, the top of the deep sea vertical pipe model 9 is connected with top boundary module 2, and the deep-sea is stood
The bottom of tube model 9 is connected with bottom boundary module 3, and described top boundary module 2 includes top clamp outer rim 10, screw
11st, top clamp base plate 12, the first backing plate 13, the first universal joint fixed plate 14, the first universal joint tumbler 15, second is universal
Section fixed plate 16, the one or three component instrument fixed plate 17, the one or three component instrument 18, first adjust the voussoir 20 of component 19 and first, institute
Top clamp outer rim 10 is stated to be connected with deep sea vertical pipe model 9 by screw 11, both in the same plane, the top clamp
Base plate 12 is affixed with the top clamp outer rim 11, the top clamp base plate 12 with pass through screw 11 and first backing plate 13
It is connected, the first universal joint fixed plate 14 is connected with the first backing plate 13 and the first universal joint tumbler 15, described first
Universal joint tumbler 15 is affixed with the first universal joint fixed plate 14 and the second universal joint fixed plate 16, second universal joint
The side of 16 and the 1st component instrument fixed plate of fixed plate 17 connects, the opposite side and first of the one or the three component instrument fixed plate 17
Three component instrument 18 are connected, and the end of the one or the three component instrument 18 is connected with the first adjustment component 19, the first adjustment group
The opposite side of part 19 is fixed on the first voussoir 20, and described bottom boundary module 3 includes bottom jig outer rim 21, screw I
22nd, bottom jig base plate 23, the second backing plate 24, the 3rd universal joint fixed plate 25, the second universal joint tumbler the 26, the 4th are universal
Section fixed plate 27, the two or three component instrument fixed plate 28, the two or three component instrument 29 and bottom fixed board 30, the bottom jig outer rim
21 are connected by screw I 22 with the deep sea vertical pipe model 9, both in the same plane, the bottom jig base plate 23 with
The bottom jig outer rim 21 is affixed, and the bottom jig base plate 23 is affixed with the second backing plate 24, and the 3rd universal joint is fixed
Plate 25 is connected with the second backing plate 24 and the second universal joint tumbler 26, the second universal joint tumbler 26 and the 30000th
Affixed to the section universal joint fixed plate 27 of fixed plate 25 and the 4th, the 4th universal joint fixed plate 27 and the two or three component instrument are fixed
The side of plate 28 is connected, and the opposite side and the two or three component instrument 29 of the two or the three component instrument fixed plate 28 are connected, and the described 2nd 3
The end of component instrument 29 is connected with bottom fixed board 30, the stuck-module 4 include radome fairing 31, vertical fixing plate 32 and hang down
Straight fixed block 33, described top slide module 5 includes the first Power Component 34, first flange device 35, the first sliding block 36, the
One guide chain 37, the first sliding rail 38 and the first support frame 39, described vertical fixing plate 32 are arranged on the first sliding block 36, institute
State and vertical fixed block 33 is slidably fitted with vertical fixing plate 32, both sides are separately installed with radome fairing 31, the vertical fixed block
33 and the Joint of the first voussoir 20, first Power Component 34 is connected by first flange device 35 with the first sliding rail 38
Connect, the rotary shaft of first Power Component 34 is connected on the first sliding block 36 by the first guide chain 37, first sliding block 36
It is slidably supported on the first sliding rail 38, and is connected with vertical fixing plate 32, first support frame 39 is fixed in survey
In amount analysis and Control module 7, interlock it, described bottom sand plate module 6 includes that becoming husky plate face plate 40, panel mends plate
41st, panel contiguous block 42, the second Power Component 43, second flange device 44, the second contiguous block 45, the second guide chain 46, bottom are solid
The support frame 48 of orbit determination road 47 and second, the bottom for becoming husky plate face plate 40 is connected on bottom fixed board 30, and the panel connects
Connect block 42 and be welded on the underface for becoming husky plate face plate 40, and plate 41 is mended with two pieces of panels and be connected, the panel is mended plate 41 and welded
On the second contiguous block 45, second Power Component 43 is connected by second flange device 44 with bottom trapped orbit 47,
The rotary shaft of second Power Component 43 is connected on the second contiguous block 45 by the second guide chain 46, second contiguous block 45
It is slidably supported on bottom trapped orbit 47, second support frame 48 is supported on the vacation bottom of pond.
The bottom fixed board 30 is welded on the husky plate face plate 40 of change.
The side of the first wedge fast 20 is fixed on the vertical fixed block 33.
The measurement analysis and Control module 7 includes data collection processor, motion controller and display, and the data are adopted
The single component instrument in the one or three component instrument and bottom boundary module in the input of set processor and the top boundary module,
And Fibre Optical Sensor is connected, its output end is connected with display；The motion controller includes motion control output window
Mouthful and image display port, the first Power Component of the motion control output window and the top slide module and described
Second Power Component of bottom sand plate module is connected, and described image display port is connected with display.
The operation principle of present apparatus specific implementation：Fibre Optical Sensor four-way is evenly arranged in deep sea vertical pipe module during experiment
On, and the heat-shrink tube (buoyant mass can be added if necessary) on set on standpipe, the two ends of standpipe are connected to top boundary module
In bottom boundary module, they respectively with stuck-module, top slide module and bottom sand plate module are connected, during experiment,
By the lifting and the movement of trailer at false bottom so that riser model reaches the position specified, the form that presentation is specified, standpipe is being given
Fixed to flow down motion, the motion of standpipe is recorded by high-speed camera, data are transmitted to computer by strain by fiber sensor measuring
Post-processed, because bottom is husky plate module, it is possible to simulate the sandy soil environment of marine bottom, in addition in simulation shear flow
In the case of, the one of riser bottom section can be entangled, it is not impacted by seawater.
The 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
Also should be regarded as protection scope of the present invention.
Claims (4)
1. the deep-sea slender standpipe dynamic response test device of a kind of simulated sea bottom pipeclay and shear flow, it is characterised in that including
Deep sea vertical pipe module, top boundary module, bottom boundary module, stuck-module, top slide module, bottom sand plate module and survey
Amount analysis and Control module, the top boundary module is connected by screw with deep sea vertical pipe module, the top boundary module
It is fixed on stuck-module, the bottom boundary module is connected by screw I with the deep sea vertical pipe module, the stent
One end in block is arranged in top slide module, and the bottom of the basal sliding module is connected in bottom boundary module, institute
State measurement analysis and Control module to be positioned on trailer, the deep sea vertical pipe module includes deep sea vertical pipe model and Fibre Optical Sensor,
The Fibre Optical Sensor is arranged on the deep sea vertical pipe model, the top of the deep sea vertical pipe model and top boundary module phase
Connection, the bottom of the deep sea vertical pipe model is connected with bottom boundary module, and described top boundary module is pressed from both sides including top
Tool outer rim, screw, top clamp base plate, the first backing plate, the first universal joint fixed plate, the first universal joint tumbler, the 20000th
To section fixed plate, the one or three component instrument fixed plate, the one or three component instrument, the first adjustment component and the first voussoir, the top folder
Tool outer rim is connected by screw with deep sea vertical pipe model, both in the same plane, the top clamp base plate and the top
Portion's fixture outer rim is affixed, and the top clamp base plate is connected with by screw with first backing plate, and first universal joint is consolidated
Fixed board is connected with the first backing plate and the first universal joint tumbler, and the first universal joint tumbler and the first universal joint are solid
Fixed board and the second universal joint fixed plate are affixed, and the second universal joint fixed plate and the one or three component instrument fixed plate side connect,
The opposite side of the one or the three component instrument fixed plate and the one or three component instrument are connected, the end and first of the one or the three component instrument
Adjustment component is connected, and the opposite side of the first adjustment component is fixed on the first voussoir, described bottom boundary module bag
Include bottom jig outer rim, screw I, bottom jig base plate, the second backing plate, the 3rd universal joint fixed plate, the second universal joint and rotate dress
Put, the 4th universal joint fixed plate, the two or three component instrument fixed plate, the two or three component instrument and bottom fixed board, the bottom jig
Outer rim is connected by screw I with the deep sea vertical pipe model, both in the same plane, the bottom jig base plate and institute
State bottom jig outer rim affixed, the bottom jig base plate is affixed with the second backing plate, the 3rd universal joint fixed plate and second
Backing plate and the second universal joint tumbler are connected, the second universal joint tumbler and the 3rd universal joint fixed plate and the 4th
Universal joint fixed plate is affixed, and the 4th universal joint fixed plate and the two or three component instrument fixed plate side connect, and the described 2nd 3
The opposite side of component instrument fixed plate and the two or three component instrument are connected, and the end of the two or the three component instrument is connected with bottom fixed board
Connect, the stuck-module includes radome fairing, vertical fixing plate and vertical fixed block, described top slide module includes that first moves
Power component, first flange device, the first sliding block, the first guide chain, the first sliding rail and the first support frame, described vertical fixation
Plate is arranged on the first sliding block, and vertical fixed block is slidably fitted with the vertical fixing plate, and both sides are separately installed with radome fairing,
The vertical fixed block and the first voussoir Joint, first Power Component pass through first flange device and the first sliding rail
It is connected, the rotary shaft of first Power Component is connected on the first sliding block by the first guide chain, first sliding block is slided
It is supported on the first sliding rail, and is connected with vertical fixing plate, first support frame is fixed in measurement analysis and Control
In module, interlock it, described bottom sand plate module includes that becoming husky plate face plate, panel mends plate, panel contiguous block, second
Power Component, second flange device, the second contiguous block, the second guide chain, bottom trapped orbit and the second support frame, the change sand plate
The bottom of panel is connected on bottom fixed board, and the panel contiguous block is welded on the underface for becoming husky plate face plate, and with two pieces
Panel is mended plate and is connected, and the panel mends plate weld on the second contiguous block, and second Power Component is filled by second flange
Put and be connected with bottom trapped orbit, the rotary shaft of second Power Component is connected to the second contiguous block by the second guide chain
On, second contiguous block is slidably supported on the trapped orbit of bottom, and second support frame is supported on the vacation bottom of pond.
2. the deep-sea slender standpipe dynamic response test device of simulated sea bottom pipeclay according to claim 1 and shear flow,
Characterized in that, the bottom fixed board is welded on the husky plate face plate of change.
3. the deep-sea slender standpipe dynamic response test device of simulated sea bottom pipeclay according to claim 1 and shear flow,
Characterized in that, the side of first voussoir is fixed on the vertical fixed block.
4. the deep-sea slender standpipe dynamic response test device of simulated sea bottom pipeclay according to claim 1 and shear flow,
Characterized in that, the measurement analysis and Control module includes data collection processor, motion controller and display, the data
The single component in the one or three component instrument and bottom boundary module in the input of Acquisition Processor and the top boundary module
Instrument, and Fibre Optical Sensor is connected, and its output end is connected with display；The motion controller is exported including motion control
Window and image display port, first Power Component of the motion control output window with the top slide module and institute
The second Power Component for stating bottom sand plate module is connected, and described image display port is connected with display.
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| CN105866856A (en) * | 2016-04-22 | 2016-08-17 | 天津大学 | Intelligent hemispheric detecting instrument for axial action of seabed pipe soil |
| CN107478408B (en) * | 2017-08-16 | 2023-10-20 | 中国海洋石油集团有限公司 | Riser array dynamic response experimental device under simulated uniform flow effect |
| CN109406186B (en) * | 2018-12-07 | 2019-10-18 | 中国石油大学(北京) | Deep Water Steel catenary riser pigging simulation test device |
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