CN102305697A - Vortex-induced vibration test device for movable deep sea vertical pipe array model at lower top end of uniform flow - Google Patents

Vortex-induced vibration test device for movable deep sea vertical pipe array model at lower top end of uniform flow Download PDF

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CN102305697A
CN102305697A CN201110219639A CN201110219639A CN102305697A CN 102305697 A CN102305697 A CN 102305697A CN 201110219639 A CN201110219639 A CN 201110219639A CN 201110219639 A CN201110219639 A CN 201110219639A CN 102305697 A CN102305697 A CN 102305697A
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standpipe
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modules
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CN102305697B (en
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付世晓
周青
李鲤
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Shanghai Jiaotong University
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Shanghai Jiaotong University
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Abstract

The invention provides a vortex-induced vibration test device for a movable deep sea vertical pipe array model at the lower top end of uniform flow. The vortex-induced vibration test device comprises a plurality of deep sea vertical pipe modules, a top support module, a bottom support module, two vertical rail modules, a horizontal rail module, four motor modules, four cowling modules and a measuring and analytical control module, wherein two ends of each deep sea vertical pipe module are connected with the top support module and the bottom support module; and the measuring and analytical control module is connected with the deep sea vertical pipe modules by a lead. In the vortex-induced vibration test device, a large-scale vertical pipe model can be arranged to avoid a scale effect; the vertical rail modules and the horizontal rail module can be utilized fully to simulate vortex-induced vibration of the large-scale vertical pipe model under the influence of an ocean platform; and different arrays formed by the deep sea vertical pipe modules can be simulated according to actual requirements. Due to the adoption of modular design, the vortex-induced vibration test device is convenient to assemble and disassemble.

Description

Evenly flow down movable deep-sea, top standpipe array model vortex vibration testing device
Technical field
What the present invention relates to is a kind of device of field of ocean engineering, relates to a kind of movable deep-sea, top standpipe array model vortex vibration testing device that evenly flows down particularly.
Background technology
According to fluid mechanics knowledge, the column structure thing is placed in the middle of the incoming flow of certain speed, the whirlpool can take place alternately to rush down in its both sides.Be associated with the generation and the bleed off of whirlpool, cylinder can receive laterally and the fluctuation pressure that flows to.If this moment, cylinder was a resiliency supported, pulsating flow muscle power can cause the vibration of cylinder so, and the vibration of cylinder can change its wake structure again conversely.The interactional problem of this fluidic structures thing is called vortex-induced vibration.The deep-sea standpipe usually occurs with the form of array, and each standpipe has hydrodynamic force each other and disturbs owing to closer to each other, causes more complicated vortex-induced vibration.For example under the effect of the motion of ocean current or ocean platform; Be suspended on the flexible pipe such as floating drum, mooring hawser of marine ocean platform standpipe, towing cable, subsea pipeline, spar platform and the vortex-induced vibration phenomenon can occur, will cause the fatigure failure of flexible pipe.
So far, be exactly model test method to one of most important method of flexible pipe vortex-induced vibration phenomenon Study.Can deepen understanding through model test method, and reliable riser vortex excited vibration forecast approach and technology are provided the influence of the vortex-induced vibration of the motion riser of compliant riser vortex-induced vibration mechanism and ocean platform.
Retrieval through to the prior art document finds that present vortex-induced vibration proving installation generally can only be installed single standpipe.Paper " Laboratory Investigation of Long Riser VIV Response " in the 14th international coastal waters and polar region engineering conference " Proceedings of the Fourteen (2004) International Offshore and Polar Engineering Conference " (experimental study of long riser vortex excited vibration response) is about flexible pipe vortex-induced vibration experimental study; Mentioned a kind of flexible pipe vortex-induced vibration model test technology in the literary composition; Be horizontally placed on compliant riser in the towing basin, trailer drags riser model and produces uniform flow field.With the motion that the acceleration transducer that is arranged in riser interiors is measured standpipe, in the standpipe wall, arrange the dependent variable in the grating measuring standpipe wall.Through analyzing, the weak point of this experimental technique is: 1, generally can only simulate the vortex-induced vibration of small scale pipe fitting, scale effect is difficult to avoid; 2, limited by oceanographic engineering pond trailer speed, be difficult to effectively carry out the vortex-induced vibration test under the real Reynolds number.3, pulled the restriction of oceanographic engineering swimmer's pool length, resulting test section distance is less, and the test figure that records is less.4, can not carry out the forced oscillation test.5, motion that can not analog platform, thereby the influence of the motion riser vortex-induced vibration of research platform.6, can only carry out the vortex-induced vibration test of single riser model, be difficult to carry out the vortex-induced vibration test of two even many standpipe arrays.
Summary of the invention
The present invention is directed to the above-mentioned deficiency that prior art exists; A kind of movable deep-sea, top standpipe array model vortex vibration testing device that evenly flows down is provided; The present invention utilizes the incoming flow of the relative motion simulation different in flow rate of vertical track module and horizontal rail module and trailer and towing basin, thereby is implemented in simulation deep-sea standpipe array vortex-induced vibration under the laboratory environment.Test duration of the present invention long and can test flow velocity high be horizontally placed on the deep-sea standpipe array model in the towing basin, also can carry out the reciprocating vibration test of deep-sea standpipe array model.
According to an aspect of the present invention; A kind of movable deep-sea, top standpipe array model vortex vibration testing device that evenly flows down is provided; It is characterized in that; Comprise a plurality of deep-seas standpipe module, top braces module, bottom support module, two vertical track modules, horizontal rail module, four motor modules, four radome fairing modules and Measurement and analysis control module; Wherein, Two said vertical track modules are connected with bottom, top braces module and the bottom support module of said horizontal rail module respectively; Said horizontal rail module is connected with the top of two said vertical track modules, and the two ends of said deep-sea standpipe module are connected with said bottom support module with said top braces module respectively, and the radome fairing side plate of four said radome fairing modules passes and be fixed in the outside of two said vertical track modules respectively; Two said radome fairing modules are arranged on each said vertical track module; Said Measurement and analysis control module is connected with said deep-sea standpipe module, top braces module, bottom support module and four motor modules respectively through lead, and four said motor modules are divided into two groups, and two said motor modules wherein are installed in the motion of controlling two said vertical track modules on the said horizontal rail module; Remaining two said motor modules are installed in respectively on the top of two said vertical track modules and control the motion of two said slide blocks on the said vertical track module, thereby control said top braces module and bottom support block motion; Said deep-sea standpipe module comprises fiber-optic grating sensor, two standpipe fixture splices and riser model; Wherein, Said fiber-optic grating sensor evenly arranges axially that along said riser model surface said riser model two ends are connected with two said standpipe fixture splices respectively, and two said standpipe fixture splices are connected with said bottom support module with said top supporting module respectively; Said fiber-optic grating sensor is connected with said Measurement and analysis control module; Wherein, the number of said deep-sea standpipe module is more than two, and said a plurality of deep-seas standpipe module constitutes deep-sea standpipe module array.
At this moment according to the motion state of top braces module, bottom support module and two vertical track modules, can the problem of research be divided into following several types:
1) when being fixed on top supporting module and bottom support module on the vertical track module; Do not allow it along the vertical track block motion; And do not allow two vertical track modules along the horizontal rail block motion; Let trailer drive the The model motion, can study deep-sea standpipe array at the vortex-induced vibration that does not receive under the ocean platform motion effects.
2) when two vertical track modules are fixed, let top braces module and bottom support module along vertical track module separately synchronous do the to-and-fro movement on the vertical direction, and trailer is motionless, just can study the forced vibration of deep-sea standpipe array.
3) shore module and do the to-and-fro movement on the vertical direction when letting along the vertical track module; Do not allow the motion of bottom support module and two vertical track modules and trailer, just can study the only vortex-induced vibration under the effect that ocean platform moves of deep-sea standpipe array.
4) when letting the top braces module do the to-and-fro movement on the vertical direction along the vertical track module; Do not allow bottom support module and two vertical track block motion; Let trailer drive the The model motion, just can study deep-sea standpipe array the flow direction perpendicular to the incoming flow effect of ocean platform direction of motion under and vortex-induced vibration under the ocean platform motional effects.
5) when not allowing top braces module and bottom support module along the vertical track block motion; The vertical track module that transference top braces module links to each other is done the to-and-fro movement on the horizontal direction along the horizontal rail module; Fixing another vertical track module; Let trailer drive the The model motion, just can study under deep-sea standpipe array is parallel to ocean platform direction of motion in the flow direction the incoming flow effect and the vortex-induced vibration under the ocean platform motional effects.
6) when letting the top braces module do the to-and-fro movement on the vertical direction along the vertical track module that is attached thereto; The vertical track module that links to each other with the top braces module is done the to-and-fro movement on the horizontal direction along the horizontal rail module; And adjust their movement velocity; The vertical track block motion that does not allow the bottom support module and be attached thereto; Let trailer drive the The model motion, just can study deep-sea standpipe array under the motion effects of the various directions of ocean platform incoming flow to its vortex-induced vibration that causes.
Preferably, the number of said deep-sea standpipe module is more than or equal to 2.
Preferably, the linear mass of said deep-sea riser model is 1:1 with the ratio that its unit length arranges the quality of water.
Preferably; Said top braces module comprises top link, horizontal seat, back up pad and several tops rotation sensing arrangement; Wherein, an end of said top link is connected with slide block on the said vertical track module, and the other end is connected with said horizontal seat; Said back up pad links to each other with said horizontal seat and said top rotation sensing arrangement respectively; Said top rotate sensing arrangement respectively with said a plurality of deep-seas standpipe module in one connect one to one, several said tops are rotated sensing arrangements and are connected with said Measurement and analysis control module, said top braces module is an end of deep-sea standpipe module fixedly.
Preferably; Said top is rotated sensing arrangement and is comprised the first sensor and first universal joint; Wherein, said first sensor is connected with said back up pad, first universal joint and Measurement and analysis control module respectively, and said first universal joint connects with corresponding said deep-sea standpipe module.
Preferably; Said bottom support module comprises bottom link, support mount pad, Elastic Sliding assembly, linear bearing and several bottom rotation sensing arrangements; Wherein, One end of said bottom link is connected with slide block on the said vertical track module, and the other end is connected with said support mount pad, and said support mount pad is connected with said linear bearing; Said Elastic Sliding assembly passes said support mount pad and rotates sensing arrangement with several said bottoms and is connected; Several said bottoms rotate sensing arrangements respectively with said a plurality of deep-seas standpipe module in one connect one to one, several said bottoms are rotated sensing arrangements and are connected with said Measurement and analysis control module, said bottom support module is fixed the other end of said deep-sea standpipe module.
Preferably; Said Elastic Sliding assembly comprises front end panel, sliding axle, buffer spring and rear bearing sheet, and wherein, said buffer spring is enclosed within said sliding axle outside and is connected with said linear bearing with said rear bearing sheet respectively; Said front end panel, sliding axle, rear bearing sheet are connected in series successively; Said front end panel rotates sensing arrangement with several said bottoms respectively and is connected, and said bottom is rotated sensing arrangement and comprised second sensor and second universal joint, wherein; Second sensor is connected with Elastic Sliding assembly, second universal joint and Measurement and analysis control module respectively, and second universal joint connects with corresponding deep-sea standpipe module.
Preferably; Said vertical track module comprises vertical track, slide block and top contiguous block; Said vertical track is perpendicular to said horizontal rail module; Said vertical track links to each other through the base slider of said top slide with said horizontal rail module; Can on said horizontal rail module, do the to-and-fro movement on the horizontal direction, said slide block is installed on the said vertical track, and links to each other with the top link of said top braces module and the bottom link of said bottom support module respectively; Thereby said vertical track module and said top supporting module and said bottom module are coupled together; A side that is arranged in said vertical track of two said radome fairing module symmetries, said vertical track module is that said a plurality of deep-seas standpipe module provides support effect, several said deep-sea riser model modules are done the to-and-fro movement on the vertical direction under the effect of said vertical track module.
Preferably; Said horizontal rail module comprises hook, brace summer, horizontal rail and base slider; Said horizontal rail is perpendicular to said vertical track, and said horizontal rail links to each other with the top contiguous block of said vertical track module through said base slider, and said a plurality of deep-seas standpipe module is done the to-and-fro movement of horizontal direction under the effect of said horizontal rail module; Said brace summer couples together two said horizontal rail, and said horizontal rail connects said hook.
Preferably; Said radome fairing module comprises the radome fairing shell and the radome fairing side plate of fixed connection; Wherein, said radome fairing shell is connected with said radome fairing side plate, and four said radome fairing side plates are connected with the outside surface of two said vertical tracks respectively; Symmetry is installed two said radome fairing modules on each said vertical track, and said radome fairing shell is the airfoil type section.
Preferably; Said Measurement and analysis control module comprises fiber data collecting unit, force data collecting unit and motor control unit; Wherein, Said fiber data collecting unit is connected with said a plurality of deep-seas standpipe module respectively, and said force data collecting unit is connected with the bottom support module with said top braces module respectively, and said motor control unit is connected with four said motor modules; Said fiber data collecting unit, force data collecting unit and motor control unit are independent separately; Said fiber data collecting unit and force data collecting unit are used to write down and the strain of riser model described in the analytical test and stressed, and said motor control unit is used to control four said motors, thereby controls two said vertical track modules, top braces module and the motion separately of bottom support module.
Preferably, to equal two, two said deep-sea standpipe modules be that vertical arranged in arrays or horizontal array are arranged to the number of said deep-sea standpipe module.
Preferably, to equal three, three said deep-sea standpipe modules be that triarray is arranged to the number of said deep-sea standpipe module.
The present invention can install the large scale riser model; Thereby the scale effect of avoiding; The present invention can make full use of the vertical track module and the horizontal rail module is simulated the vortex-induced vibration of large scale riser model under the influence of ocean platform, and the present invention can simulate the formed different arrays of deep-sea standpipe module according to actual needs.The present invention adopts modular design, and installation and removal are all very convenient.
Description of drawings
Fig. 1 is the structural representation of embodiment 1;
Fig. 2 is the oblique view of the vertical array of two standpipes of embodiment 1;
Fig. 3 is the synoptic diagram that is connected of vertical track module with the horizontal rail module of embodiment 1;
Fig. 4 is the deep-sea standpipe module diagram of embodiment 1;
Fig. 5 is the top braces module side view of embodiment 1;
Fig. 6 is the bottom support module side view of embodiment 1;
Fig. 7 is the bottom support module upward view of embodiment 1;
Fig. 8 is the vertical track module diagram of embodiment 1;
Fig. 9 is the horizontal rail module diagram of embodiment 1;
Figure 10 is the radome fairing module diagram of embodiment 1;
Figure 11 is the motor module synoptic diagram of embodiment 1;
Figure 12 is the Measurement and analysis control module system chart of embodiment 1;
Figure 13 is the oblique view of the horizontal array of two standpipes of embodiment 2;
Figure 14 is the oblique view of the three standpipe triangle arrays of embodiment 3.
Embodiment
Provide the detailed description and the embodiment of the embodiment of the invention below in conjunction with accompanying drawing: each embodiment is that prerequisite is implemented with according to the invention and technical scheme; Provide detailed embodiment and process, but protection scope of the present invention is not limited to following examples.
Embodiment 1
In the present embodiment, said movable deep-sea, the top standpipe array model vortex vibration testing device that evenly flows down comprises a plurality of deep-seas standpipe module 1, top braces module 2, bottom support module 3, two vertical track modules 4, horizontal rail module 5, four motor modules 6, four radome fairing modules 7 and Measurement and analysis control modules 9.Wherein, Two said vertical track modules 4 are connected with bottom, top braces module 2 and the bottom support module 3 of said horizontal rail module 5 respectively; Said horizontal rail module 5 is connected with the bottom of trailer 10 opposite sides and the top of two said vertical track modules 4 respectively; The two ends of said deep-sea standpipe module 1 are connected with said bottom support module 3 with said top braces module 2 respectively; The radome fairing side plate 39 of four said radome fairing modules 7 passes and is fixed in the outside of two said vertical track modules 4 respectively; Two said radome fairing modules 7 are arranged on each said vertical track module 4; Said Measurement and analysis control module 9 is arranged on the trailer 10, and said Measurement and analysis control module 9 is connected with said deep-sea standpipe module 1, top braces module 2, bottom support module 3 and four motor modules 6 respectively through lead, and four said motor modules 6 are divided into two groups; Two said motor modules 6 wherein are installed in the motion of controlling two said vertical track modules 4 on the said horizontal rail module 5; Remaining two said motor modules 6 are installed in respectively on the top of two said vertical track modules 4 and control the motion of two said slide blocks 34 on the said vertical track module 4, thereby control said top braces module 2 and 3 motions of bottom support module, wherein; The number of said deep-sea standpipe module 1 is more than two, and a plurality of said deep-seas standpipe module constitutes deep-sea standpipe module array.
Preferably, as shown in Figure 2, when the number of said deep-sea standpipe module 1 equaled 2, two said deep-sea standpipe modules 1 were vertical arranged in arrays.
Said deep-sea standpipe module 1 comprises fiber-optic grating sensor 13, two standpipe fixture splices 14 and riser model 15; Wherein, Said fiber-optic grating sensor 13 is axially evenly arranged along said riser model 15 surfaces; Said riser model 15 two ends are connected with two said standpipe fixture splices 14 respectively; Two said standpipe fixture splices 14 are connected with said bottom support module 3 with said top supporting module 2 respectively, and said fiber-optic grating sensor 13 is connected with said Measurement and analysis control module 9.Said deep-sea standpipe module 1 is used for simulating the standpipe in the actual ocean.
Riser model 15 its linear mass in said deep-sea are 1:1 with the ratio that its unit length arranges the quality of water.
Said top braces module 2 comprises top link 16, horizontal seat 17, back up pad 18 and several tops rotation sensing arrangement 19; Wherein, One end of said top link 16 is connected with slide block 34 on the said vertical track module 4; The other end is connected with said horizontal seat 17, and said back up pad 18 links to each other with said horizontal seat 17 and said top rotation sensing arrangement 19 respectively.Said top rotate sensing arrangement 19 respectively with said a plurality of deep-seas standpipe module 1 in one connect one to one, several said tops are rotated sensing arrangements 19 and are connected with said Measurement and analysis control module 9.Said top braces module 2 is used for fixing an end of deep-sea standpipe module 1.
Said top is rotated sensing arrangement 19 and is comprised the first sensor 21 and first universal joint 20; Wherein, Said first sensor 21 is connected with said back up pad 18, first universal joint 20 and Measurement and analysis control module 9 respectively, and said first universal joint 20 and corresponding said deep-sea standpipe module 1 connect.
Said bottom support module 3 comprises bottom link 24, support mount pad 25, Elastic Sliding assembly 22, linear bearing 26 and several bottom rotation sensing arrangements 23; Wherein, One end of said bottom link 24 is connected with slide block 34 on another said vertical track module 4; The other end is connected with said support mount pad 25; Said support mount pad 25 is connected with said linear bearing 26; Said Elastic Sliding assembly 22 passes said support mount pad 25 and rotates sensing arrangements 23 with several said bottoms and is connected, several said bottoms rotate sensing arrangements 23 respectively with said a plurality of deep-seas standpipe module 1 in one connect one to one, several said bottoms rotation sensing arrangements 23 are connected with said Measurement and analysis control module 9.Said bottom support module 3 is used for the other end of said fixedly deep-sea standpipe module 1, and buffer action is provided when vortex-induced vibration is taken place process of the test mesopelagic (200 standpipe module 1.
Said Elastic Sliding assembly 22 comprises front end panel 27, sliding axle 28, buffer spring 29 and rear bearing sheet 30; Wherein, Said buffer spring 29 is enclosed within said sliding axle 28 outsides and is connected with said linear bearing 26 with said rear bearing sheet 30 respectively; Said front end panel 27, sliding axle 28, rear bearing sheet 30 are connected in series successively, and said front end panel 27 rotates sensing arrangements 23 with several said bottoms respectively and is connected.
Said bottom is rotated sensing arrangement 23 and is comprised second sensor 31 and second universal joint 32; Wherein, Said second sensor 31 is connected with said Elastic Sliding assembly 21, second universal joint 32 and Measurement and analysis control module 9 respectively, and said second universal joint 32 and corresponding said deep-sea standpipe module 1 connect.
Said vertical track module 4 comprises vertical track 33, slide block 34 and top contiguous block 12, and said vertical track 33 is perpendicular at the bottom of said horizontal rail module 5 and towing basin 11 ponds.Said vertical track 33 links to each other with the base slider 37 of said horizontal rail module 5 through said top slide 12; Can on said horizontal rail module 5, do the to-and-fro movement on the horizontal direction; Said slide block 34 is installed on the said vertical track 33; And link to each other with the top link 16 of said top braces module 2 and the bottom link 24 of said bottom support module 3 respectively; Thereby said vertical track module 4 and said top supporting module 2 and said bottom module 3 are coupled together a side that is arranged in said vertical track 33 of two said radome fairing module 7 symmetries.Said vertical track module 4 provides support effect for said deep-sea standpipe module 1.Said deep-sea riser model module 1 can be done the to-and-fro movement on the vertical direction under the effect of said vertical track module 4.
Said horizontal rail module 5 comprises hook 8, brace summer 35, horizontal rail 36 and base slider 37, and said horizontal rail 36 is parallel at the bottom of 11 ponds, pond perpendicular to said vertical track 33.Said horizontal rail 36 links to each other with the bottom of trailer 10 through said hook 8 and links to each other with the top contiguous block 12 of said vertical track module 4 through said base slider 37.Said deep-sea standpipe module 1 can be done the to-and-fro movement of horizontal direction under the effect of said horizontal rail module 5.The effect of said brace summer 35 is that two said horizontal rail 36 are coupled together.
Said radome fairing module 7 comprises the radome fairing shell 39 and radome fairing side plate 40 of fixed connection, and wherein, said radome fairing shell 39 is connected with said radome fairing side plate 40, and four said radome fairing side plates 40 are connected with the outside surface of two said vertical tracks 33 respectively.Two said radome fairing modules 7, the two symmetric arrangement are installed on each said vertical track 33.Said radome fairing shell 39 is the airfoil type section, and this structure can reduce resistance and the wave making in the whole test device motion process greatly.
Shown in figure 11, said four motor modules 6 are existing testing equipment.Four said motor modules 6 are divided into two groups; Two said motor modules 6 wherein are installed in the motion of controlling two said vertical track modules 4 on the said horizontal rail module 5; The motion of two slide blocks 34 on the said vertical track module 4 is controlled at the top that remaining two said motor modules 6 are installed in two said vertical track modules 4 respectively, thereby controls said top braces module 2 and said bottom support module 3 motions.
Said Measurement and analysis control module 9 comprises fiber data collecting unit 41, force data collecting unit 42 and motor control unit 43; Wherein, Said fiber data collecting unit 41 is connected with a plurality of said deep-seas standpipe module 1 respectively; Said force data collecting unit 42 is connected with bottom support module 3 with said top braces module 2 respectively; Said motor control unit 43 is connected with four said motor modules 6, and said fiber data collecting unit 41, force data collecting unit 42 and motor control unit 43 are independent separately, all are positioned on the trailer 10.
Said fiber data collecting unit 41 contains real-time collection analysis software with force data collecting unit 42, can write down and the strain of riser model described in the analytical test 1 and stressed.Said motor control unit 43 can be controlled four said motors 6, thereby controls two said vertical track modules 4, top braces module 2 and bottom support module 3 motion separately.
Embodiment 2
Shown in figure 13, when the number of said deep-sea standpipe module 1 equaled 2, two said deep-sea standpipe modules 1 were arranged for horizontal array.
Embodiment 3
Shown in figure 14, when the number of said deep-sea standpipe module 1 equaled 3, three said deep-sea standpipe modules 1 were arranged for triarray.
As shown in Figure 1; Said trailer 10 is existing test facilities with towing basin 11; Trailer 10 can be realized the linear uniform motion under the two-way friction speed; The water of towing basin 11 dress certain depths, for sea risers model 15 provides water environment, the two relative motion can be simulated the equal uniform flow of different in flow rate.
According to said device provided by the invention following advantage is arranged: 1, said device can be installed large scale riser model 15, thus the scale effect of avoiding; 2, the said device high speed that can make full use of trailer 10 is simulated large scale riser model 15 real Reynolds number vortex-induced vibrations.3, said device can make full use of the length of towing basin 11, long distance test, the longer more stable test figure of acquisition.4, said device can utilize vertical track module and horizontal rail module to carry out the forced oscillation test of standpipe.5, said device can utilize the motion of vertical track module and horizontal rail module to simulate the motion of ocean platform, thus the influence of research ocean platform motion riser vortex-induced vibration.6, said device can be simulated deep-sea standpipe module 1 formed different arrays according to actual needs.7, said device adopts modular design, and installation and removal are all very convenient.

Claims (10)

1. one kind evenly flows down movable deep-sea, top standpipe array model vortex vibration testing device; It is characterized in that; Comprise a plurality of deep-seas standpipe module, top braces module, bottom support module, two vertical track modules, horizontal rail module, four motor modules, four radome fairing modules and Measurement and analysis control module; Two said vertical track modules are connected with bottom, top braces module and the bottom support module of said horizontal rail module respectively; Said horizontal rail module is connected with the top of two said vertical track modules; The two ends of said deep-sea standpipe module are connected with said bottom support module with said top braces module respectively; The radome fairing side plate of four said radome fairing modules passes and is fixed in the outside of two said vertical track modules respectively; Two said radome fairing modules are arranged on each said vertical track module, and said Measurement and analysis control module is connected with said deep-sea standpipe module, top braces module, bottom support module and four motor modules respectively through lead;
Said deep-sea standpipe module comprises fiber-optic grating sensor, two standpipe fixture splices and riser model; Wherein, Said fiber-optic grating sensor is axially evenly arranged along said riser model surface; Said riser model two ends are connected with two said standpipe fixture splices respectively, and two said standpipe fixture splices are connected with said bottom support module with said top supporting module respectively, and said fiber-optic grating sensor is connected with said Measurement and analysis control module;
Wherein, the number of said deep-sea standpipe module is more than two, and a plurality of said deep-seas standpipe module constitutes deep-sea standpipe module array.
2. movable deep-sea, the top standpipe array model vortex vibration testing device that evenly flows down according to claim 1 is characterized in that the linear mass of said deep-sea riser model is 1:1 with the ratio that its unit length arranges the quality of water.
3. movable deep-sea, the top standpipe array model vortex vibration testing device that evenly flows down according to claim 1; It is characterized in that; Said top braces module comprises top link, horizontal seat, back up pad and several tops rotation sensing arrangement; Wherein, an end of said top link is connected with slide block on the said vertical track module, and the other end is connected with said horizontal seat; Said back up pad links to each other with said horizontal seat and said top rotation sensing arrangement respectively; Said top rotate sensing arrangement respectively with said a plurality of deep-seas standpipe module in one connect one to one, several said tops are rotated sensing arrangements and are connected with said Measurement and analysis control module, said top braces module is an end of deep-sea standpipe module fixedly.
4. movable deep-sea, the top standpipe array model vortex vibration testing device that evenly flows down according to claim 3; It is characterized in that; Said top is rotated sensing arrangement and is comprised the first sensor and first universal joint; Wherein, said first sensor is connected with said back up pad, first universal joint and Measurement and analysis control module respectively, and said first universal joint connects with corresponding said deep-sea standpipe module.
5. movable deep-sea, the top standpipe array model vortex vibration testing device that evenly flows down according to claim 4; It is characterized in that; Said bottom support module comprises bottom link, support mount pad, Elastic Sliding assembly, linear bearing and several bottom rotation sensing arrangements; Wherein, One end of said bottom link is connected with slide block on the said vertical track module, and the other end is connected with said support mount pad, and said support mount pad is connected with said linear bearing; Said Elastic Sliding assembly passes said support mount pad and rotates sensing arrangement with several said bottoms and is connected; Several said bottoms rotate sensing arrangements respectively with said a plurality of deep-seas standpipe module in one connect one to one, several said bottoms are rotated sensing arrangements and are connected with said Measurement and analysis control module, said bottom support module is fixed the other end of said deep-sea standpipe module.
6. movable deep-sea, the top standpipe array model vortex vibration testing device that evenly flows down according to claim 5; It is characterized in that; Said Elastic Sliding assembly comprises front end panel, sliding axle, buffer spring and rear bearing sheet, and wherein, said buffer spring is enclosed within said sliding axle outside and is connected with said linear bearing with said rear bearing sheet respectively; Said front end panel, sliding axle, rear bearing sheet are connected in series successively; Said front end panel rotates sensing arrangement with several said bottoms respectively and is connected, and said bottom is rotated sensing arrangement and comprised second sensor and second universal joint, wherein; Said second sensor is connected with said Elastic Sliding assembly, second universal joint and Measurement and analysis control module respectively, and said second universal joint connects with corresponding said deep-sea standpipe module.
7. movable deep-sea, the top standpipe array model vortex vibration testing device that evenly flows down according to claim 1; It is characterized in that; Said vertical track module comprises vertical track, slide block and top contiguous block; Said vertical track is perpendicular to said horizontal rail module, and said vertical track links to each other through the base slider of said top slide with said horizontal rail module, can on said horizontal rail module, do the to-and-fro movement on the horizontal direction; Said slide block is installed on the said vertical track; And link to each other with the top link of said top braces module and the bottom link of said bottom support module respectively, thereby said vertical track module and said top supporting module and said bottom module are coupled together, sides that are arranged in said vertical track of two said radome fairing module symmetries; Said vertical track module is that said deep-sea standpipe module provides support effect; Several said deep-sea riser model modules are done the to-and-fro movement on the vertical direction under the effect of said vertical track module, said horizontal rail module comprises hook, brace summer, horizontal rail and base slider, and said horizontal rail is perpendicular to said vertical track; Said horizontal rail links to each other with the top contiguous block of said vertical track module through said base slider; Said deep-sea standpipe module is done the to-and-fro movement of horizontal direction under the effect of said horizontal rail module, said brace summer couples together two said horizontal rail, and said horizontal rail connects said hook.
8. movable deep-sea, the top standpipe array model vortex vibration testing device that evenly flows down according to claim 7; It is characterized in that; Said radome fairing module comprises the radome fairing shell and the radome fairing side plate of fixed connection; Wherein, said radome fairing shell is connected with said radome fairing side plate, and four said radome fairing side plates are connected with the outside surface of two said vertical tracks respectively; Symmetry is installed two said radome fairing modules on each said vertical track; Said radome fairing shell is the airfoil type section, and four said motor modules are divided into two groups, and two said motor modules wherein are installed in the motion of controlling two said vertical track modules on the said horizontal rail module; Remaining two said motor modules are installed in respectively on the top of two said vertical track modules and control the motion of two said slide blocks on the said vertical track module, thereby control said top braces module and bottom support block motion.
9. according to each described movable deep-sea, top standpipe array model vortex vibration testing device that evenly flows down in the claim 1 to 8; It is characterized in that; Said Measurement and analysis control module comprises fiber data collecting unit, force data collecting unit and motor control unit; Wherein, Said fiber data collecting unit is connected with a plurality of said deep-seas standpipe module respectively, and said force data collecting unit is connected with the bottom support module with said top braces module respectively, and said motor control unit is connected with four said motor modules; Said fiber data collecting unit, force data collecting unit and motor control unit are independent separately; Said fiber data collecting unit and force data collecting unit are used to write down and the strain of riser model described in the analytical test and stressed, and said motor control unit is used to control four said motors, thereby controls two said vertical track modules, top braces module and the motion separately of bottom support module.
10. according to each described movable deep-sea, top standpipe array model vortex vibration testing device that evenly flows down in the claim 1 to 8, it is characterized in that the number of said deep-sea standpipe is any in the following quantity:
It is that vertical arranged in arrays or horizontal array are arranged that the number of said deep-sea standpipe module equals two, two said deep-sea standpipe modules; Perhaps
It is that triarray is arranged that the number of said deep-sea standpipe module equals three, three said deep-sea standpipe modules.
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