CN102012306B - Vortex induced vibration rotation testing device for bidirectional shear flow lower inclined vertical pipe - Google Patents
Vortex induced vibration rotation testing device for bidirectional shear flow lower inclined vertical pipe Download PDFInfo
- Publication number
- CN102012306B CN102012306B CN 201010552000 CN201010552000A CN102012306B CN 102012306 B CN102012306 B CN 102012306B CN 201010552000 CN201010552000 CN 201010552000 CN 201010552000 A CN201010552000 A CN 201010552000A CN 102012306 B CN102012306 B CN 102012306B
- Authority
- CN
- China
- Prior art keywords
- module
- cantilever
- cylindorical rod
- testing device
- vortex
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a vortex induced vibration rotation testing device for a bidirectional shear flow lower inclined vertical pipe, which is inclined in an ocean engineering deepwater pool. The testing device comprises a vertical pipe model mechanism, a measurement and analysis system platform module, a driving module, a top cantilever module, a cylindrical shaft segmentation module, a bottom cantilever module and a bottom supporting module; a vertical pipe model is fixed between the top cantilever module and the bottom cantilever module through a fixed end of special design; the bottom supporting module, the driving module and the top cantilever module are vertically connected through the cylindrical shaft segmentation module vertically arranged in the ocean engineering deepwater pool; the bottom supporting module is fixed on the steel lifting bottom of the pool through high strength bolts; a cylindrical shaft and a cantilever beam are driven by the driving module to rotate; and measurement instruments of the measurement and analysis system platform module are distributed in a pipe module, the top cantilever module and the bottom cantilever module. The testing device is convenient for installation, upgrade and change, and meets different functional requirements.
Description
Technical field
What the present invention relates to is a kind of device of field of ocean engineering, specifically a kind ofly is inclined in the vortex-induced vibration rotation detecting that the compliant riser model flows down at double direction shear in the oceanographic engineering swimmer's pool.
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 occur alternately to rush down in its both sides.Be associated with generation and the bleed off of whirlpool, cylinder can be subject to laterally and the fluctuation pressure that flows to.If this moment, cylinder was 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 problem of this fluidic structures phase interaction is called vortex-induced vibration.For example under the effect of ocean current, 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.
The Yu Haiyang oil-gas mining advances to deep water, and the standpipe in the deepwater environment can be considered the elongated flexible structure, and the small deformation theory is no longer applicable, and this is so that the vortex-induced vibration problem of standpipe is more outstanding.So far, be exactly the model measurement method to one of most important method of research of flexible pipe vortex-induced vibration phenomenon.The phenomenon of simulating in the test adopts advanced proving installation can guarantee the reliability of test data more close to the truth of occurring in nature.Can design the vibration-repressing device of better inhibition vortex-induced vibration of marine riser by the method for model measurement.
Through the retrieval of prior art is found, present vortex-induced vibration test device generally carries out in towing oceanographic engineering swimmer's pool, and what have carries out in annular water tank, and what have drags standpipe with towboat and carry out the vortex-induced vibration test.Paper " Laboratory Investigation of Long Riser VIV Response " in the 14th International Coast 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 measurement technology in the literary composition, compliant riser is horizontally placed in the towing basin, and trailer drags riser model and produces uniform flow field.Measure the motion of standpipe with the acceleration transducer that is arranged in riser interiors, in the standpipe wall, arrange the dependent variable in the grating measuring standpipe wall.By analysis, the weak point of this measuring technology is: 1. generally can only simulate the vortex-induced vibration of small scale pipe fitting, the vortex-induced vibration that is difficult to effectively carry out under the real Reynolds number is tested.2. pulled the restriction of oceanographic engineering swimmer's pool length, resulting test section distance is less, and the test data that records is less.3. generally can only simulate the vortex-induced vibration of uniform flow field neutral tube, vortex-induced vibration that can not analogue step flow field neutral tube.
Summary of the invention
The present invention is directed to the prior art above shortcomings, a kind of rotary testing device for vortex-induced vibration of bidirectional shear flow lower inclined standpipe is provided, can simulates large-scale physical size standpipe, double direction shear flow field, the longer vortex-induced vibration rotation detecting that is inclined in compliant riser model in the oceanographic engineering swimmer's pool of test duration.
The present invention is achieved by the following technical solutions, the present invention includes: riser model mechanism, the measuring and analysis system console module, driver module, top cantilever module, the Cylindorical rod segmentation module, bottom cantilever arms module and bottom support module, wherein: riser model is fixed between top cantilever module and the bottom cantilever arms module by the stationary installation of particular design, Cylindorical rod segmentation module by vertically placing the oceanographic engineering swimmer's pool is with the bottom support module, driver module, top cantilever module vertically connects, on the bottom support module is fixed at the bottom of the steel lifting of pond by high-strength bolt, the Cylindorical rod and the semi-girder that drive in the cantilever module of top by driver module rotate, and each surveying instrument dispersed placement of measuring and analysis system console module is in riser model, top cantilever module, among the bottom cantilever arms module.
Described riser model mechanism comprises: riser model, universal joint, three component sensors, sliding axle, web joint, the standpipe fixture splice, linear bearing, buffer spring and standpipe holder, wherein: the two ends of the first standpipe fixture splice link to each other with the top of riser model and an end of the first universal joint respectively, the other end of the first universal joint is in being fixedly installed on the standpipe holder, the two ends of the second standpipe fixture splice link to each other with the bottom of riser model and an end of the second universal joint respectively, the other end of the second universal joint is fixedly installed on the three component sensors, and linear bearing links to each other with buffer spring with sliding axle respectively.
Described driver module comprises: change speed gear box, motor, transmission gear, driving shaft, driven wheel, wherein: motor is connected with change speed gear box, change speed gear box is connected with driving shaft, driving shaft is connected with driven wheel, motor, change speed gear box, driven wheel, driving shaft are fixedly installed on respectively realizes encapsulation on the adjustable support base, on the steelframe of adjustable support floor installation Yu Haiyang engineering swimmer's pool trailer.
The reduction gear ratio of described change speed gear box is 40:1; The reduction gear ratio of described this gear drive is 7.
Described top cantilever module comprises: oblique pull lock, the first cantilever, diagonal brace, top cantilever Cylindorical rod, wherein: the first cantilever top uses the oblique pull lock to be connected with top cantilever Cylindorical rod, for the first cantilever provides prestress, the first jib foot uses diagonal brace to be connected with top cantilever Cylindorical rod, the end of the first cantilever will be connected with the stationary installation in the riser model mechanism, data line enters Cylindorical rod by end and first cantilever of test specimen, then upwards is connected to the measuring and analysis system console module by top cantilever Cylindorical rod.
Described bottom cantilever arms module comprises: the second cantilever and fixing truss thereof, wherein: the left end of the second cantilever is connected with the Cylindorical rod segmentation module, data line enters Cylindorical rod by end and second cantilever of riser model, then upwards is connected to the measuring and analysis system console module by Cylindorical rod.
Described the first cantilever and the second cantilever adopt the prestressed rectangular steel truss structure, and truss adopts modular design, and whole truss sections processing uses rectangular slab to connect, and changes the length of truss with this, uses to adapt in different depth of water situations.
Described bottom support module comprises: bottom support ring flange, bottom solid bearing, bottom stationary shaft and bottom base, wherein: the top of Cylindorical rod is connected with Cylindorical rod segmentation module or bottom cantilever arms module, the bottom of Cylindorical rod is connected with the bottom stationary shaft, the bottom solid bearing is positioned at the outside of Cylindorical rod and is tightly connected, on bottom solid bearing and bottom base are fixedly installed at the bottom of the lifting of oceanographic engineering swimmer's pool successively.
Compared with prior art, advantage of the present invention comprises:
1. the present invention can realize standpipe vortex-induced vibration test of (without sleeve) under (sleeve is arranged) and uniform incoming flow effect under the effect of ladder incoming flow;
2. its whirligig can prolong the test duration greatly, has increased the accuracy of experimental data;
3. the present invention can take full advantage of the real Reynolds number vortex-induced vibration of the Simulation of depth large-size pipe of oceanographic engineering swimmer's pool;
4. the invention has the advantages that and be convenient to install, be convenient to upgrading and change, and satisfy different functional requirements;
5. the present invention can simulate the flow field of ocean true environment more really, than at towing oceanographic engineering swimmer's pool and towboat test significant progress was arranged in the past.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structure front elevation of driver module.
Fig. 3 is the driver module structural representation.
Fig. 4 is the structural representation of top cantilever module.
Fig. 5 is the schematic diagram of top cantilever module middle transverse beam structure.
Fig. 6 is the structural representation of bottom support module.
Fig. 7 is the side view of bottom stiff end in the riser model mechanism.
Fig. 8 is the upward view of bottom stiff end in the riser model mechanism.
Fig. 9 is the structural representation of top stiff end in the riser model mechanism.
Figure 10 is the structural representation of Cylindorical rod module.
Embodiment
Also by reference to the accompanying drawings the present invention is elaborated below by embodiment: following examples are implemented under take technical solution of the present invention as prerequisite, have provided detailed embodiment and process, but protection scope of the present invention is not limited to following embodiment.
As shown in Figure 1, the present embodiment comprises: riser model mechanism 1, measuring and analysis system console module 2, driver module 3, top cantilever module 4, Cylindorical rod segmentation module 5, bottom cantilever arms module 6, bottom support module 7, wherein: riser model mechanism 1 is fixed between top cantilever module 4 and the bottom cantilever arms module 6, Cylindorical rod segmentation module 5 by vertically placing the oceanographic engineering swimmer's pool is with bottom support module 7, driver module 3, top cantilever module 4 vertically connects, bottom support module 7 is bolted at the bottom of the steel lifting of pond on 8, drive Cylindorical rod and semi-girder rotation by driver module 3, each surveying instrument dispersed placement of measuring and analysis system console module 2 is in riser model 1, top cantilever module 4, among the bottom cantilever arms module 6.Whole device vertically places the oceanographic engineering swimmer's pool, and modules is connected by flange.
Described measuring and analysis system console module 2 comprises: measuring unit 10, under water record a video unit 11, computing unit 12 and wireless transmission unit 13, wherein: computing unit 12 is arranged in the machine room of trailer 9 of oceanographic engineering swimmer's pool and is connected to transmit the wireless measurement signal of unit 11 and measuring unit 10 outputs of recording a video under water with wireless transmission unit 13, and computing unit 12 carries out Storage and Processing to the wireless measurement signal that receives in real time.
As shown in Figures 2 and 3, described driver module 3 comprises: change speed gear box 14, motor 15, transmission gear 16, driving shaft 17, driven wheel 19, wherein: motor 15 is connected with change speed gear box 14, change speed gear box 14 is connected with driving shaft 17, driving shaft 17 is connected with driven wheel 19, motor 15, change speed gear box 14, driven wheel 19, driving shaft 17 are fixedly installed on respectively on the adjustable support base 18 realizes encapsulation, on the fixing trailer with the oceanographic engineering pond of adjustable support base 18.
The reduction gear ratio of described change speed gear box 14 is 40:1.
The reduction gear ratio of described gear drive is 7.
As shown in Figure 4, described top cantilever module 4 comprises: oblique pull lock the 20, first cantilever 21, diagonal brace 22, top cantilever Cylindorical rod 23, wherein: the first cantilever 21 tops use oblique pull lock 20 to be connected with top cantilever Cylindorical rod 23, for the first cantilever 21 provides prestress, the first cantilever 21 bottoms use diagonal brace 22 to be connected with top cantilever Cylindorical rod 23.The end of the first cantilever 21 will be connected with the top stationary installation in the riser model mechanism 1.Data line enters Cylindorical rod by end and first cantilever 21 of test specimen, then upwards is connected to measuring and analysis system console module 2 by top cantilever Cylindorical rod 23.Cantilever module 4 tops, top link to each other with driver module 3 or Cylindorical rod segmentation module 5 by joint flange, and the bottom links to each other with Cylindorical rod segmentation module 5 by joint flange.
As shown in Figure 5, the first cantilever 21 adopts the prestressed rectangular steel truss structure.Use web joint to connect between truss sections.The web member of truss and the size of chord member are respectively web member: external diameter 0.05m, thickness 0.004m, chord member: external diameter 0.03m, thickness 0.004m.
As shown in Figure 6, described bottom support module 7 comprises: Cylindorical rod mounting flange 24, Cylindorical rod 25, bottom support ring flange 26, bottom solid bearing 27, bottom stationary shaft 28, bottom base 29, wherein: Cylindorical rod 25 tops are connected with Cylindorical rod segmentation module 5 or bottom cantilever arms module 6 by mounting flange 26.The bottom is connected with bottom stationary shaft 28 by bottom support ring flange 26, then integral body is inserted in the solid bearing 27 of bottom, bearing realizes that oil is close, and bottom solid bearing 27 is welded on the bottom base 29, bottom base 29 by 24 high strength screws with 8 be connected at the bottom of the lifting of pond.
Such as Fig. 7, Fig. 8, Fig. 9 and shown in Figure 10, described riser model mechanism 1 comprises: web joint 30, buffer spring 31, linear bearing 32, sliding axle 33, three component sensors 34, universal joint 35, standpipe fixture splice 36, riser model 37, drive servomotor 38, track 39, slide block 40, standpipe holder 41, wherein: riser model 37 tops are connected with standpipe fixture splice 36 by two pins, standpipe fixture splice 36 other ends are connected on the universal joint 35, universal joint 35 other ends are fixed on the three component sensors 34, three component sensors 34 use the high strength screw to be fixed on the standpipe holder 41, standpipe holder 41 is fixedly connected with slide block 40, drives servomotor 38 by control slide block 40 is slided along track 39.Riser model 37 bottoms and similar standpipe fixture splice 36, universal joint 35 and the three component sensors 34 of being connected successively in top, then be connected with sliding axle 33, sliding axle 33 is inserted in the linear bearing 32, all linear bearings 32 are fixed on the web joint 30, and web joint 30 connects linear bearing 32 and bottom cantilever arms module.
As shown in figure 10, described Cylindorical rod segmentation module 5 comprises: Cylindorical rod mounting flange 24, Cylindorical rod 25, riser model 37, Cylindorical rod upper shed 42, Cylindorical rod under shed 43, wherein: Cylindorical rod 25 tops are connected with top cantilever module 4 by mounting flange 24, and the bottom is connected with bottom cantilever arms module 6 by Cylindorical rod mounting flange 24.Riser model 37 is passed Cylindorical rod upper shed 42 and Cylindorical rod under shed 43.
As shown in Figure 5, described bottom cantilever arms module comprises: the second cantilever and fixing truss thereof, wherein: the left end of the second cantilever is connected with the Cylindorical rod segmentation module, data line enters Cylindorical rod by end and second cantilever of riser model, then upwards is connected to the measuring and analysis system console module by Cylindorical rod.
Making and the installation process of the present embodiment are as follows:
Before test, select suitable model scale ratio and test operating mode according to the size of oceanographic engineering swimmer's pool, the physical size of pipe fitting, the concrete condition of test operating mode and the economy of test first.According to the strength control requirement of whole proving installation and concrete size and the material of the definite modules of vibration control requirement.It is as follows that each module is ready to rear concrete installation process.
In ground assembling bottom support module 7, after assembling is finished at the bottom of the lifting of rising oceanographic engineering swimmer's pool, be fixed by bolts to the base 23 of bottom support module 7 at the bottom of the lifting on.Then at the bottom of suitably reducing lifting bottom cantilever arms module 6 is installed.Determine the length of Cylindorical rod segmentation module 5 according to the length requirement of test pipe fitting, then Cylindorical rod segmentation module 5 usefulness dollies are winched to oceanographic engineering swimmer's pool central authorities and lift.Get simultaneously in the above-mentioned module of installation, in ground assembling riser model mechanism 1, measuring and analysis system console module 2, driver module 3, top cantilever module 4.Riser model mechanism 1 is installed after 5 installations of Cylindorical rod segmentation module, one end of riser model passes Cylindorical rod segmentation module 5, then the frogman pulls the plug riser model is fixed on the bottom cantilever arms module 6, then lift top cantilever module 4, connection between each module adopts flange to connect, and data line enters the Cylindorical rod from coupling arrangement.After cantilever module 4 liftings in top were finished, the other end that riser model mechanism 1 is tested pipe fitting was fixed on the link block of top cantilever module 4.After installation, with dolly driver module 3 is winched to directly over the top cantilever module 4, top cantilever module 4 with to pay special attention to precision control being connected of driver module 3, after the connection driver module 3 is fixed by bolts on the dolly.Install and measure at last analytic system console module 2, the data line in the Cylindorical rod is connected on the measuring and analysis system console module 2.
Computing machine in measuring and analysis system console module 2 installs computer real-time analysis software and image processing software, then will derive the data line that comes from test pipe fitting two ends and be connected on the computer.Simultaneously the surveying instrument in the proving installation being derived the power lead that comes connects with the mains.
The post debugging device is finished in integral installation.After finishing, debugging just can test according to concrete operating mode and test specification startup proving installation.
Claims (9)
1. the rotary testing device for vortex-induced vibration of a bidirectional shear flow lower inclined standpipe, it is characterized in that, comprise: riser model mechanism, the measuring and analysis system console module, driver module, top cantilever module, the Cylindorical rod segmentation module, bottom cantilever arms module and bottom support module, wherein: riser model is fixed between top cantilever module and the bottom cantilever arms module by the stationary installation of particular design, connect the bottom support module by the Cylindorical rod segmentation module that vertically places the oceanographic engineering swimmer's pool, driver module, top cantilever module, on the bottom support module is fixed at the bottom of the steel lifting of pond by high-strength bolt, driver module drives Cylindorical rod and the semi-girder rotation in the cantilever module of top, and each surveying instrument dispersed placement of measuring and analysis system console module is in riser model, top cantilever module, among the bottom cantilever arms module;
Described riser model mechanism comprises: riser model, universal joint, three component sensors, sliding axle, web joint, the standpipe fixture splice, linear bearing, buffer spring and standpipe holder, wherein: the two ends of the first standpipe fixture splice link to each other with the top of riser model and an end of the first universal joint respectively, the other end of the first universal joint is fixedly installed on the standpipe holder, the two ends of the second standpipe fixture splice link to each other with the bottom of riser model and an end of the second universal joint respectively, the other end of the second universal joint is fixedly installed on the three component sensors, linear bearing links to each other with buffer spring with sliding axle respectively, and web joint connects linear bearing and bottom cantilever arms module.
2. the rotary testing device for vortex-induced vibration of bidirectional shear flow lower inclined standpipe according to claim 1 is characterized in that, the mass ratio that the linear mass of described riser model and its unit length arrange water is 1:1.
3. the rotary testing device for vortex-induced vibration of bidirectional shear flow lower inclined standpipe according to claim 1, it is characterized in that, described measuring and analysis system console module comprises: measuring unit, under water record a video unit, computing unit and wireless transmission unit, wherein: computing unit is arranged at and is connected to transmit the wireless measurement signal of unit and measuring unit output of recording a video in the trailer machine room of oceanographic engineering swimmer's pool and with wireless transmission unit under water, and computing unit carries out Storage and Processing to the wireless measurement signal that receives in real time.
4. the rotary testing device for vortex-induced vibration of bidirectional shear flow lower inclined standpipe according to claim 1, it is characterized in that, described driver module comprises: change speed gear box, motor, transmission gear, driving shaft, driven wheel, wherein: motor is connected with change speed gear box, change speed gear box is connected with the transmission gear, driving shaft is connected with driven wheel, motor, change speed gear box, driven wheel, driving shaft are fixedly installed on respectively realizes encapsulation on the adjustable support base, on the steelframe of adjustable support floor installation Yu Haiyang engineering pool trailer.
5. the rotary testing device for vortex-induced vibration of bidirectional shear flow lower inclined standpipe according to claim 4 is characterized in that, the reduction gear ratio of described change speed gear box is 40:1.
6. the rotary testing device for vortex-induced vibration of bidirectional shear flow lower inclined standpipe according to claim 1, it is characterized in that, described top cantilever module comprises: oblique pull lock, the first cantilever, diagonal brace and top cantilever Cylindorical rod, wherein: the first cantilever top uses the oblique pull lock to be connected with top cantilever Cylindorical rod, the first jib foot uses diagonal brace to be connected with top cantilever Cylindorical rod, and the end of the first cantilever will be connected with the standpipe fixture splice in the riser model mechanism.
Described bottom cantilever arms module comprises: the second cantilever and fixing truss thereof, wherein: the left end of the second cantilever is connected with the Cylindorical rod segmentation module.
7. the rotary testing device for vortex-induced vibration of bidirectional shear flow lower inclined standpipe according to claim 6 is characterized in that, described the first cantilever and the second cantilever adopt the prestressed rectangular steel truss structure.
8. the rotary testing device for vortex-induced vibration of bidirectional shear flow lower inclined standpipe according to claim 1, it is characterized in that, described Cylindorical rod segmentation module is specially the Cylindorical rod segmentation mechanism that some sections joint flanges are fixedly linked, two ends of each Cylindorical rod segmentation mechanism bolt hole that all has been circular layout, perpendicular at the bottom of the lifting of Cylindorical rod segmentation mechanism and oceanographic engineering swimmer's pool.
9. the rotary testing device for vortex-induced vibration of bidirectional shear flow lower inclined standpipe according to claim 1, it is characterized in that, described bottom support module comprises: Cylindorical rod, the bottom support ring flange, the bottom solid bearing, bottom stationary shaft and bottom base, wherein: the top of Cylindorical rod is connected with Cylindorical rod segmentation module or bottom cantilever arms module, the bottom of Cylindorical rod is connected with the bottom stationary shaft by the bottom support ring flange, then bottom stationary shaft integral body is inserted in the solid bearing of bottom, the bottom solid bearing is positioned at the outside of Cylindorical rod and is tightly connected, on bottom solid bearing and bottom base are fixedly installed at the bottom of the lifting of oceanographic engineering swimmer's pool successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010552000 CN102012306B (en) | 2010-11-19 | 2010-11-19 | Vortex induced vibration rotation testing device for bidirectional shear flow lower inclined vertical pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010552000 CN102012306B (en) | 2010-11-19 | 2010-11-19 | Vortex induced vibration rotation testing device for bidirectional shear flow lower inclined vertical pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102012306A CN102012306A (en) | 2011-04-13 |
| CN102012306B true CN102012306B (en) | 2013-04-17 |
Family
ID=43842553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010552000 Active CN102012306B (en) | 2010-11-19 | 2010-11-19 | Vortex induced vibration rotation testing device for bidirectional shear flow lower inclined vertical pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102012306B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102288376B (en) * | 2011-08-02 | 2013-02-06 | 上海交通大学 | Top-movable vortex-induced vibration rotating device for vertically-arranged vertical pipe under uniform flow and step flow |
| CN102410920B (en) * | 2011-08-05 | 2013-09-25 | 上海交通大学 | Vortex induced vibration rotation testing device of inclined vertical pipe with movable top part under step shear flow |
| CN102313637B (en) * | 2011-08-12 | 2013-05-22 | 上海交通大学 | Bidirectional forced vibration experimental apparatus for FISHFARM buoy segment model under action of inclined uniform flow |
| CN102620898A (en) * | 2012-03-23 | 2012-08-01 | 中国海洋大学 | System for applying internal flow and top tension force in marine riser vortex induced vibration test |
| CN103292970B (en) * | 2013-05-09 | 2015-05-13 | 西南石油大学 | Marine riser vibration characteristic simulation test device under deepwater well drilling working condition and test method |
| CN104502044B (en) * | 2014-12-02 | 2017-08-01 | 上海交通大学 | A kind of oblique uniform flow measures elongated standpipe dynamic response device |
| CN105547630B (en) * | 2015-12-10 | 2018-05-04 | 上海交通大学 | The variable double direction shear of flow velocity turning point flows down tension leg vortex-induced vibration test device |
| CN105547621B (en) * | 2015-12-10 | 2018-05-04 | 上海交通大学 | Unidirectional shear flow and double direction shear flow down the vortex-induced vibration test device of tension leg |
| CN110333047B (en) * | 2019-06-05 | 2021-03-16 | 中国海洋大学 | Two-dimensional turbulence sensor with orthogonal cantilever beam structure |
| CN115014680A (en) * | 2022-06-17 | 2022-09-06 | 中海石油(中国)有限公司 | Vortex-induced vibration test device for steel catenary riser model |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100494943C (en) * | 2007-07-12 | 2009-06-03 | 上海交通大学 | Vortex vibration testing device for flexible pipe mould horizontal in towing pool |
| CN101387188B (en) * | 2008-11-04 | 2012-07-04 | 中国海洋大学 | Suppressing vibration method for marine riser vortex-induced vibration and suppressing vibration apparatus thereof |
-
2010
- 2010-11-19 CN CN 201010552000 patent/CN102012306B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN102012306A (en) | 2011-04-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102012306B (en) | Vortex induced vibration rotation testing device for bidirectional shear flow lower inclined vertical pipe | |
| CN102053001B (en) | Device for testing vortex-excited oscillation and rotation of vertical riser pipe under uniform flow and stepped uniform flow | |
| CN102053000B (en) | Rotary testing device for vortex-induced vibration for oblique riser under shear current | |
| CN102109405B (en) | Vortex-induced vibration test device for stand pipe under bidirectional shear flow and bidirectional ladder shear flow | |
| CN102072805B (en) | Device for testing vortex-induced vibration and rotation of inclined riser under cascade shearing flow | |
| US11255745B2 (en) | Test device for simulating longitudinal-lateral-torsional coupled nonlinear vibration of drill string of deepwater riserless drilling and method therefor | |
| CN202033164U (en) | Testing device capable of simulating uniform-flow vortex-induced vibration of submarine pipeline | |
| CN102147321A (en) | Uniform flow vortex-induced vibration simulation tester for seabed pipeline | |
| CN102288376B (en) | Top-movable vortex-induced vibration rotating device for vertically-arranged vertical pipe under uniform flow and step flow | |
| CN102410920B (en) | Vortex induced vibration rotation testing device of inclined vertical pipe with movable top part under step shear flow | |
| CN102305696B (en) | Deep sea vertical pipe array model vortex-induced vibration test device with top capable of moving in step flow | |
| CN102410918B (en) | Vortex-induced vibration simulation test device for deep sea riser model with movable top end under uniform flow | |
| CN102279085A (en) | Simulation test device for vortex-induced vibration of deep-sea vertical pipe array model under conditions of uniform defluxion and pretension | |
| CN102313636B (en) | Vortex-induced vibration simulation test device for deep sea riser model with movable top end under action of step flow | |
| CN102323026B (en) | Vortex-induced vibration simulation test device for pre-tensioned deep-sea riser model under step flow | |
| CN102305697B (en) | Vortex-induced vibration test device for movable deep sea vertical pipe array model at lower top end of uniform flow | |
| CN102323025B (en) | Vortex-induced vibration simulation test device for pre-tensioned deep-sea riser model under even flow | |
| CN104406753A (en) | Dynamic response testing device for deep-sea elongated vertical pipe under vertical forced oscillation | |
| CN102410919A (en) | Rotating testing device for vortex-induced vibration of movable inclined riser at lower top of shear flow | |
| CN104458171A (en) | Deep-sea long and thin stand tube power response test device under horizontal forced oscillation state | |
| CN104502043A (en) | Elongated stand pipe power response measurement device through simulating seabed pipe soil and horizontal forced oscillation | |
| CN104483083A (en) | Deep sea thin and long vertical pipe dynamic response testing device for simulating seabed pipe clay and shear flow | |
| CN110231134A (en) | Double standpipe vortex-induced vibration test devices arranged side by side under double direction shear and ladder shear flow | |
| CN104502058A (en) | Elongated stand pipe power response measurement device under shearing flow | |
| CN110595871A (en) | Mechanical property experiment device and method for ocean test pipe column |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |