CN102323030B - Deep-sea riser segmented model vertical flow forced vibration experimental device under action of uniform flow - Google Patents
Deep-sea riser segmented model vertical flow forced vibration experimental device under action of uniform flow Download PDFInfo
- Publication number
- CN102323030B CN102323030B CN 201110232610 CN201110232610A CN102323030B CN 102323030 B CN102323030 B CN 102323030B CN 201110232610 CN201110232610 CN 201110232610 CN 201110232610 A CN201110232610 A CN 201110232610A CN 102323030 B CN102323030 B CN 102323030B
- Authority
- CN
- China
- Prior art keywords
- module
- deep
- sliding block
- sea
- stuck
- 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
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The invention is suitable for the field of ocean engineering and provides a deep-sea riser segmented model vertical flow forced vibration experimental device under the action of uniform flow. The deep-sea riser segmented model vertical flow forced vibration experimental device comprises a deep-sea riser module, false body modules, a fixing module, a sliding module and a measurement analysis and control module, wherein the two ends of the deep-sea riser module are connected with the end part false body modules respectively; the sliding module is connected with the end part false body modules and the fixing module respectively; the fixing module is fixedly connected with the bottom of one end of a trailer truck; and the measurement analysis and control module is arranged on the trailer truck, and is connected with the end part false body modules and the sliding module respectively. In the experimental device disclosed by the invention, a riser model with an appropriate slenderness ratiois selected, so that the practical Reynolds number of 106 can be reached under the experimental condition, and the scale effect is avoided effectively; and meanwhile, end part false bodies are adopted, so that the problem of boundary effects on both sides of the model during an experiment is solved.
Description
Technical field
The invention belongs to the oceanographic engineering field, relate in particular to the vertical incoming flow forced vibration of the deep-sea standpipe segmented model experimental provision under a kind of equal uniform flow effect.
Background technology
Standpipe in the actual marine environment is the elongated flexible structure, can produce vortex-induced vibration under the effect of ocean current.This vibration is that self-excitation produces for whole standpipe; If but considered that each joint can be considered as the segmentation of rigid body, so this vibration but would be forced oscillation.Because each fraction of compliant riser can be seen the rigid cylindrical body as, so want to further investigate the vortex-induced vibration characteristic of elongated flexible marine riser under the ocean current effect of true environment, can start with from the simple question of microcosmic, namely stressed, move response, the wake flow form etc. of the rigid cylindrical body in the forced oscillation under the uniform incoming flow effect be studied.
The paper that Ramnarayan Gopalkrishnan delivered at MIT in 1993 " Vortex-Introduced Forces on Oscillating Bluff Cylinders " (the stressed research of the vortex-induced vibration of cylinder) is about rigidity pipe fitting vortex-induced vibration experimental study, mentioned a kind of rigidity pipe fitting vortex-induced vibration model test technology in the literary composition, rigid riser is horizontally placed in the towing basin, and trailer drags riser model and produces uniform flow field.By analysis, the weak point of this experimental technique is:
1, test is too elongated with the standpipe segmentation, getting the segmentation diameter as someone once is 2.54cm, and length is 60cm, and this just causes its device can only simulate vortex-induced vibration under the low reynolds number, can not simulate the high reynolds number state under the true sea situation, occur scale effect easily; 2, the border is not effectively handled, the model boundary effect can influence experimental result.
Summary of the invention
The present invention is directed to the technical matters that exists in the above-mentioned prior art, a kind of vertical incoming flow forced vibration of deep-sea standpipe segmented model experimental provision that evenly flows down is provided, being intended to solve existing test unit can only simulate than the low reynolds number sea situation, and the standpipe segmentation is not carried out the problem of boundary treatment, avoided scale effect and boundary effect to the influence of experimental result.
The present invention is achieved by the following technical solutions, a kind of vertical incoming flow forced vibration of deep-sea standpipe segmented model experimental provision that evenly flows down, mainly by deep-sea standpipe module, first end prosthese module, the second end prosthese module, first sliding block, second sliding block, first stuck-module, second stuck-module and Measurement and analysis control module are formed, wherein: standpipe module two ends, deep-sea are connected with the second end prosthese module with first end prosthese module respectively, first sliding block is connected with first stuck-module with first end prosthese module respectively, second sliding block is connected with second stuck-module with the second end prosthese module respectively, first stuck-module and trailer bottom, one end is fixedly connected and be connected with first sliding block, second stuck-module and the trailer bottom other end is fixedly connected and be connected with second sliding block, the Measurement and analysis control module is arranged on the trailer, respectively first end prosthese module, the second end prosthese module, first sliding block, second sliding block is connected.
Described deep-sea standpipe module comprises: two standpipe fixture splices and deep-sea riser model, wherein: riser model two ends, deep-sea are connected with two standpipe fixture splices respectively, two standpipe fixture splices are connected with the second end prosthese module with first end prosthese module respectively, the standpipe fixture splice is fixedly connected, and it is loosening to avoid riser model to take place when experiment.
Described first end prosthese module comprises: the prosthese urceolus, three component instrument, three component instrument fixed heads, voussoir, bearing, adjust assembly, fixed head, backing plate, flow-stopping plate, wherein: prosthese urceolus and flow-stopping plate are fixed, three component instrument respectively with deep-sea standpipe module in fixture splice link to each other with three component instrument fixed heads, three component instrument fixed heads, one end is connected with three component instrument, the other end and voussoir are affixed, voussoir runs through flow-stopping plate, and it is inboard affixed with bearing and flow-stopping plate at flow-stopping plate, the voussoir of flow-stopping plate opposite side is connected with backing plate, fixed head is affixed by backing plate and voussoir, and it is affixed with fixed head and first sliding block respectively to adjust assembly; Described the second end prosthese module and first end prosthese module are mirror image, do not repeat them here.
Described first sliding block comprises: Power Component, flange apparatus, slide block, lead chain, sliding rail and radome fairing, wherein: Power Component links to each other with sliding rail by flange apparatus, its turning axle is connected to slide block by leading chain, slide block is slidably supported on the sliding rail, and with first end prosthese module in adjustment assembly Joint, sliding rail perpendicular to the towing basin pond at the bottom of and vertical with first stuck-module, its upper end fixedly connected with first stuck-module, the lower end freedom is unsettled; The both sides of sliding rail are equipped with radome fairing; Described second sliding block becomes mirror image with first sliding block.
Described first stuck-module is made up of horizontal fixed plate, horizontal fixed piece and bracing frame; Be slidingly fitted with the horizontal fixed piece on the described horizontal fixed plate, the sliding rail in horizontal fixed piece and described first sliding block is affixed; The support frame as described above upper end is affixed with trailer, and lower end and horizontal fixed plate are affixed; Described second stuck-module becomes mirror image with first stuck-module.
Described Measurement and analysis control module comprises: data acquisition unit, motion controller and display, and wherein: the input end of data acquisition unit is connected with two three component instrument in above-mentioned first and second end prosthese module, and its output terminal is connected with display; Motion controller has two output ports, and two cover Power Components in motion control output port and above-mentioned first and second sliding block are connected, and the image display port is connected with display.
Described deep-sea riser model diameter is 250mm, and length is 3m.
Advantage and good effect that the present invention has are:
The present invention adopts special end prosthetic appliance, first and second end prosthese module wherein is fixed on the slide block, separate with mid-module, the riser model two ends directly are fixed on the slide block by dynamometer, so the data that dynamometer measures are power actual suffered on the mid-module, and first and second end prosthese module has played the effect of making the simulation flow field, but measurement mechanism is not directly exerted an influence, and has solved the problem that boundary effect appears in model both sides in the experiment.Adopt technical solution of the present invention, select the riser model of suitable slenderness ratio, in normal trailer movement velocity scope, operating condition of test can reach real Reynolds number 10
6Scope has effectively avoided scale effect and both sides boundary effect to the influence of experimental result.
Description of drawings
Fig. 1 is the scheme of installation of experimental provision on trailer that the embodiment of the invention provides.
Fig. 2 is the structural representation of the experimental provision that provides of the embodiment of the invention.
Fig. 3 is the vertical view of the experimental provision that provides of the embodiment of the invention.
Fig. 4 is the structural representation of the deep-sea standpipe module that provides of the embodiment of the invention.
Fig. 5 is the structural representation of the end prosthese module that provides of the embodiment of the invention.
Fig. 6 is the structural representation of the sliding block that provides of the embodiment of the invention.
Fig. 7 is the side view of the sliding block that provides of the embodiment of the invention.
Fig. 8 is the structural representation of the stuck-module that provides of the embodiment of the invention.
Fig. 9 is the vertical view of the stuck-module that provides of the embodiment of the invention.
Figure 10 is the structured flowchart of the Measurement and analysis control module that provides of the embodiment of the invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the present invention, and be not used in restriction the present invention.
As Fig. 1, Fig. 2 and shown in Figure 3, present embodiment comprises: deep-sea standpipe module 1, first end prosthese module 2, the second end prosthese module 3, first sliding block 4, second sliding block 5, first stuck-module 6, second stuck-module 7 and Measurement and analysis control module 8, wherein: standpipe module 1 two ends, deep-sea are connected with the second end prosthese module 3 with first end prosthese module 2 respectively, first sliding block 4 is connected with first stuck-module 6 with first end prosthese module 2 respectively, second sliding block 5 is connected with second stuck-module 7 with the second end prosthese module 3 respectively, first stuck-module 6 is fixedly connected with trailer 9 bottoms one end and be connected with first sliding block 4, second stuck-module 7 is fixedly connected with the trailer 9 bottom other ends and be connected with second sliding block 5, Measurement and analysis control module 8 is arranged on the trailer 9, respectively with first end prosthese module 2, the second end prosthese module 3, first stuck-module 6, second stuck-module 7 is connected.Trailer 9 moves ahead with certain speed along continuous straight runs in towing basin 10.
As Fig. 2 and shown in Figure 4, described deep-sea standpipe module 1 comprises: two standpipe fixture splices 102,103 and deep-sea riser model 101, wherein: riser model 101 two ends in deep-sea are connected with two standpipe fixture splices 102,103 respectively, and two standpipe fixture splices 102,103 are connected with the second end prosthese module 3 with first end prosthese module 2 respectively.Standpipe fixture splice 102,103 is fixedly connected, and it is loosening to avoid riser model to take place when experiment.
As Fig. 2 and shown in Figure 5, described first end prosthese module 2 comprises: prosthese urceolus 201, three component instrument 202, three component instrument fixed heads 203, voussoir 204, bearing 205, adjust assembly 206, fixed head 207, backing plate 208, flow-stopping plate 209, wherein: prosthese urceolus 201 is fixing with flow-stopping plate 209, three component instrument 202 respectively with deep-sea standpipe module 1 in fixture splice 102,103 link to each other with three component instrument fixed heads 203, three component instrument fixed heads, 203 1 ends are connected with three component instrument 202, the other end and voussoir 204 are affixed, voussoir 204 runs through flow-stopping plate 209, and it is inboard affixed with bearing 205 and flow-stopping plate 209 at flow-stopping plate 209, the voussoir 204 of flow-stopping plate 209 opposite sides is connected with backing plate 208, fixed head 207 is affixed by backing plate 208 and voussoir 204, and it is affixed with fixed head 207 and sliding block 4 respectively to adjust assembly 206.The second end prosthese module 3 is mirror image with first end prosthese module 2, does not repeat them here.
As Fig. 2, Fig. 6 and shown in Figure 7, described first sliding block 4 comprises: Power Component 401, flange apparatus 402, slide block 403, lead chain 404, sliding rail 405 and radome fairing 406, wherein: Power Component 401 links to each other with sliding rail 405 by flange apparatus 402, its turning axle is connected to slide block 403 by leading chain 404, slide block 403 is slidably supported on the sliding rail 405, and with first end prosthese module 2 in adjustment assembly 206 Joints, sliding rail 405 perpendicular to towing basin 10 ponds at the bottom of and vertical with first stuck-module 6, fixedly connected with first stuck-module 6 in its upper end, the lower end freedom is unsettled; The both sides of sliding rail 405 are equipped with radome fairing 406.Described second sliding block 5 and 4 one-tenth mirror image of first sliding block do not repeat them here.
As Fig. 2, Fig. 8 and shown in Figure 9, described first stuck-module 6 is made up of horizontal fixed plate 601, horizontal fixed piece 602 and bracing frame 603; Be slidingly fitted with horizontal fixed piece 602 on the described horizontal fixed plate 601, horizontal fixed piece 602 is affixed with the sliding rail 405 in described first sliding block 4; Support frame as described above 603 upper ends and trailer 9 are affixed, and lower end and horizontal fixed plate 601 are affixed.Described second stuck-module 7 and 6 one-tenth mirror image of first stuck-module do not repeat them here.
As shown in figure 10, described Measurement and analysis control module 8 comprises: data acquisition unit 801, motion controller 802 and display 803, wherein: two three component instrument 202 in above-mentioned first and second end prosthese module 2,3 of the input end of data acquisition unit 801 are connected, and its output terminal is connected with display 803; Motion controller 802 has two output ports, and two cover Power Components 401 in motion control output port and above-mentioned first and second sliding block 4,5 are connected, and the image display port is connected with display 803.
In the present embodiment, the desirable 250mm of deep-sea riser model 101 diameters, the desirable 3m of length, its slenderness ratio has reached 1/12, and in the proper motion velocity range of trailer 9, operating condition of test can reach real Reynolds number 10
6Scope has effectively been avoided scale effect.
Principle of work:
During test, send movement instruction by the motion controller 802 in the Measurement and analysis control module 8 to Power Component 401 and trailer 9: trailer 9 moves ahead with certain speed along continuous straight runs in towing basin, the acquisition relative velocity advances in hydrostatic, with the situation that simulation deep-sea riser model 101 is statically placed in the uniform incoming flow, trailer 9 speed should cooperate the Reynolds number under the actual sea situation rationally to choose according to the size of deep-sea riser model 101; And Power Component 401 drives deep-sea standpipe modules 1 and comes flow path direction to do double vibrations at sliding rail 405 with the amplitude set and frequency along vertical, with the situation of simulation local segmentation forced vibration.In the process of the test, three component instrument 202 in first and second end prosthese module 2,3 are measured the stressed size of deep-sea riser model 101 in experimentation, and numerical value is transferred to data acquisition unit 801 in the Measurement and analysis control module 8, data acquisition unit 801 and then transfer data to display 803 and be shown as viewdata.Another effect of display 803 is exactly the steering order that shows that motion controller 802 sends.
This device adopts special end prosthetic appliance, first and second end prosthese module 2,3 wherein is fixed in slide block 403, separate with riser model 101, riser model 101 two ends are directly fixed on slide block 403 by three component instrument 202, so the data that three component instrument 202 measure are power actual suffered on the riser model 101, and first and second end prosthese module 2,3 has played the effect of making the simulation flow field, but measurement mechanism is not directly exerted an influence, can effectively solve the problem that boundary effect appears in experiment neutral tube model 101 both sides.Deep-sea riser model 101 diameters that the present invention adopts can reach 250mm, and length can reach 3m, and slenderness ratio has reached 1/12, and so in normal trailer movement velocity scope, operating condition of test can reach real Reynolds number 10
6Scope has effectively been avoided scale effect.
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. the vertical incoming flow forced vibration of deep-sea standpipe segmented model experimental provision that evenly flows down, it is characterized in that, described device is mainly by deep-sea standpipe module, first end prosthese module, the second end prosthese module, first sliding block, second sliding block, first stuck-module, second stuck-module and Measurement and analysis control module are formed, wherein: standpipe module two ends, deep-sea are connected with the second end prosthese module with first end prosthese module respectively, first sliding block is connected with first stuck-module with first end prosthese module respectively, second sliding block is connected with second stuck-module with the second end prosthese module respectively, first stuck-module and trailer bottom, one end is fixedly connected and be connected with first sliding block, second stuck-module and the trailer bottom other end is fixedly connected and be connected with second sliding block, the Measurement and analysis control module is arranged on the trailer, respectively with first end prosthese module, the second end prosthese module, first sliding block, second sliding block is connected;
Described deep-sea standpipe module comprises: two standpipe fixture splices and deep-sea riser model, wherein: riser model two ends, deep-sea are connected with two standpipe fixture splices respectively, and two standpipe fixture splices are connected with the second end prosthese module with first end prosthese module respectively;
Described first end prosthese module comprises: the prosthese urceolus, three component instrument, three component instrument fixed heads, voussoir, bearing, adjust assembly, fixed head, backing plate, flow-stopping plate, wherein: prosthese urceolus and flow-stopping plate are fixed, three component instrument respectively with deep-sea standpipe module in the standpipe fixture splice link to each other with three component instrument fixed heads, three component instrument fixed heads, one end is connected with three component instrument, the other end and voussoir are affixed, voussoir runs through flow-stopping plate, and it is inboard affixed with bearing and flow-stopping plate at flow-stopping plate, the voussoir of flow-stopping plate opposite side is connected with backing plate, fixed head is affixed by backing plate and voussoir, and it is affixed with fixed head and first sliding block respectively to adjust assembly; Described the second end prosthese module and first end prosthese module are mirror image.
2. a kind of vertical incoming flow forced vibration of deep-sea standpipe segmented model experimental provision that evenly flows down as claimed in claim 1, it is characterized in that, described first sliding block comprises: Power Component, flange apparatus, slide block, lead chain, sliding rail and radome fairing, wherein: Power Component links to each other with sliding rail by flange apparatus, its turning axle is connected to slide block by leading chain, slide block is slidably supported on the sliding rail, and with first end prosthese module in adjustment assembly Joint, sliding rail perpendicular to the towing basin pond at the bottom of and vertical with first stuck-module, fixedly connected with first stuck-module in its upper end, the lower end freedom is unsettled; The both sides of sliding rail are equipped with radome fairing; Described second sliding block becomes mirror image with first sliding block.
3. a kind of vertical incoming flow forced vibration of deep-sea standpipe segmented model experimental provision that evenly flows down as claimed in claim 2 is characterized in that described first stuck-module is made up of horizontal fixed plate, horizontal fixed piece and bracing frame; Be slidingly fitted with the horizontal fixed piece on the described horizontal fixed plate, the sliding rail in horizontal fixed piece and described first sliding block is affixed; The support frame as described above upper end is affixed with the trailer bottom, and lower end and horizontal fixed plate are affixed; Described second stuck-module becomes mirror image with first stuck-module.
4. a kind of vertical incoming flow forced vibration of deep-sea standpipe segmented model experimental provision that evenly flows down as claimed in claim 3, it is characterized in that, described Measurement and analysis control module comprises: data acquisition unit, motion controller and display, wherein: the input end of data acquisition unit is connected with two three component instrument in above-mentioned first and second end prosthese module, and its output terminal is connected with display; Motion controller has two output ports, be respectively: motion control output port and image display port, wherein, two cover Power Components in motion control output port and above-mentioned first and second sliding block are connected, and the image display port is connected with display.
5. as the arbitrary described a kind of vertical incoming flow forced vibration of deep-sea standpipe segmented model experimental provision that evenly flows down in the claim 2 to 4, it is characterized in that described deep-sea riser model diameter is 250mm, length is 3m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110232610 CN102323030B (en) | 2011-08-15 | 2011-08-15 | Deep-sea riser segmented model vertical flow forced vibration experimental device under action of uniform flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110232610 CN102323030B (en) | 2011-08-15 | 2011-08-15 | Deep-sea riser segmented model vertical flow forced vibration experimental device under action of uniform flow |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102323030A CN102323030A (en) | 2012-01-18 |
| CN102323030B true CN102323030B (en) | 2013-09-25 |
Family
ID=45450819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110232610 Active CN102323030B (en) | 2011-08-15 | 2011-08-15 | Deep-sea riser segmented model vertical flow forced vibration experimental device under action of uniform flow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102323030B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102980732B (en) * | 2012-11-06 | 2016-04-13 | 上海交通大学 | The test unit of the horizontal autovibration of simulation uniform flow deep sea vertical pipe |
| CN102967431B (en) * | 2012-11-06 | 2016-04-13 | 上海交通大学 | The test unit of the two-way autovibration of simulation uniform flow deep sea vertical pipe |
| CN104458172B (en) * | 2014-11-25 | 2017-06-13 | 上海交通大学 | A kind of uniform flow measures elongated standpipe dynamic response test device |
| CN104406754B (en) * | 2014-11-25 | 2017-05-10 | 上海交通大学 | Dynamic response testing device for deep sea long and thin vertical tube under bidirectional forced oscillation state |
| CN104406753B (en) * | 2014-11-25 | 2017-10-27 | 上海交通大学 | The dynamic response test device of deep-sea slender standpipe under vertical forced oscillation |
| CN104458174B (en) * | 2014-11-28 | 2017-06-13 | 上海交通大学 | Uniform flow measures elongated standpipe dynamic response device outside a kind of face |
| CN104483083B (en) * | 2014-12-05 | 2017-06-13 | 上海交通大学 | The deep-sea slender standpipe dynamic response test device of simulated sea bottom pipeclay and shear flow |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101666703A (en) * | 2009-09-04 | 2010-03-10 | 上海交通大学 | Forced reciprocating movement device of ocean structure |
| CN102147321A (en) * | 2011-01-12 | 2011-08-10 | 中国海洋石油总公司 | Uniform flow vortex-induced vibration simulation tester for seabed pipeline |
-
2011
- 2011-08-15 CN CN 201110232610 patent/CN102323030B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101666703A (en) * | 2009-09-04 | 2010-03-10 | 上海交通大学 | Forced reciprocating movement device of ocean structure |
| CN102147321A (en) * | 2011-01-12 | 2011-08-10 | 中国海洋石油总公司 | Uniform flow vortex-induced vibration simulation tester for seabed pipeline |
Non-Patent Citations (2)
| Title |
|---|
| Calculation of the Vibration of an Elastically Mounted Cylinder Using Experimental Data From Forced Oscillation;T. Staubli;《Journal of Fluids Engineering》;19830630;第105卷;225-229 * |
| T. Staubli.Calculation of the Vibration of an Elastically Mounted Cylinder Using Experimental Data From Forced Oscillation.《Journal of Fluids Engineering》.1983,第105卷 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102323030A (en) | 2012-01-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102323030B (en) | Deep-sea riser segmented model vertical flow forced vibration experimental device under action of uniform flow | |
| CN102313638A (en) | Bidirectional forced vibration experimental apparatus for deep sea riser segment model under action of uniform flow | |
| CN102359857A (en) | Deep sea standpipe segment model bidirectional forcing vibration experimental apparatus under effect of oblique uniform flow | |
| CN102323031B (en) | Deep-sea pipeline segmented model bidirectional forced vibration experimental device under action of uniform flow | |
| CN108918080B (en) | Propeller wake field measurement system under multiplex condition | |
| CN102359855B (en) | Forced vibration experiment facility for uniform down-flowing incoming flow of deep sea pipeline sectional model | |
| CN102305696B (en) | Deep sea vertical pipe array model vortex-induced vibration test device with top capable of moving in step flow | |
| CN102967429B (en) | Device for simulating bidirectional self-oscillation under mutual interference of two stand column models under uniform flow | |
| CN102147321A (en) | Uniform flow vortex-induced vibration simulation tester for seabed pipeline | |
| CN102928617B (en) | Solid model section multi-parameters modularized measuring device and measuring method thereof | |
| CN102410918A (en) | Vortex-induced vibration simulation test device for deep sea riser model with movable top end under uniform flow | |
| CN102305697B (en) | Vortex-induced vibration test device for movable deep sea vertical pipe array model at lower top end of uniform flow | |
| CN104406753A (en) | Dynamic response testing device for deep-sea elongated vertical pipe under vertical forced oscillation | |
| CN102323028B (en) | Deep-sea riser segmented model forward flow forced vibration experimental device under action of uniform flow | |
| CN110031169A (en) | Simulate two-tube interference dynamic response experimental provision under oblique uniform flow effect | |
| CN102323032B (en) | Oblique uniform flow deep sea pipeline segment model bidirectional forced vibration experiment apparatus | |
| CN102359856B (en) | Bidirectional forced vibration experimental apparatus of segmented model of FISHFARM float bowl under uniform flow | |
| CN104458171A (en) | Deep-sea long and thin stand tube power response test device under horizontal forced oscillation state | |
| CN102359854B (en) | Horizontal forced vibration experimental device for sectional models of FISHFRAM float bowls flowing down uniformly | |
| CN102967437B (en) | Simulate the test unit of the horizontal autovibration of oblique uniform flow deep sea vertical pipe | |
| CN102980732B (en) | The test unit of the horizontal autovibration of simulation uniform flow deep sea vertical pipe | |
| CN102313635B (en) | Horizontal forced vibration experimental apparatus for FISHFRAM buoy segment model under action of inclined uniform flow | |
| CN102967428B (en) | Testing device for simulating self-oscillation under mutual interference of two stand column models under uniform flow | |
| CN102967430B (en) | Simulate the test unit of the two-way autovibration of oblique uniform flow deep sea vertical pipe | |
| CN102313637B (en) | Bidirectional forced vibration experimental apparatus for FISHFARM buoy segment model under action of inclined uniform flow |
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 |